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Wang H, Wang Y, Liu J, Zhang H, He R, Yang F, Guo Y, Bai B. A Combination of Resistance Genes Confers High and Durable Resistance Against Stripe Rust in Wheat Cultivar Lantian 26. PLANT DISEASE 2024:PDIS01240137RE. [PMID: 38587804 DOI: 10.1094/pdis-01-24-0137-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
'Lantian 26', a leading elite winter wheat cultivar in Gansu Province since its release in 2010, exhibits high resistance or immunization to stripe rust in the adult-plant stage under a high disease pressure in Longnan (southeastern Gansu). Identifying the resistance genes in 'Lantian 26' could provide a basis for enhanced durability and high levels of resistance in wheat cultivars. Here, a segregating population was developed from a cross between a highly susceptible wheat cultivar Mingxian 169 and the highly stripe rust-resistant 'Lantian 26'. The F2 and F2:3 progenies of the cross were inoculated with multiple prevalent virulent races of stripe rust for adult-plant-stage-resistance evaluation in two different environments. Exon sequence alignment analysis revealed that a stripe rust resistance gene on the 718.4- to 721.2-Mb region of chromosome 7BL, tentatively named as YrLT26, and a cosegregation sequence-tagged site (STS) marker GY17 was developed and validated using the F2:3 population and 103 wheat cultivars. The other two resistance genes, Yr9 and Yr30, were also identified in 'Lantian 26' using molecular markers. Therefore, the key to high and durable resistance to stripe rust at the adult stage is the combination of Yr9, Yr30, and YrLT26 genes in 'Lantian 26'. This could be a considerable strategy for improving the wheat cultivars with effective and durable resistance in the high-pressure region for stripe rust.
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Affiliation(s)
- Hongmei Wang
- Institute of Biotechnology, Gansu Academy of Agricultural Sciences, Lanzhou 730070, China
| | - Yamei Wang
- School of Agriculture, Sun Yat-Sen University, Shenzhen 518107, China
| | - Jindong Liu
- Institute of Crop Science, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Huaizhi Zhang
- Institute of Genetics and Developmental Biology, China Academy of Sciences/The Inovative Academy of Seed Design, Beijing 100101, China
| | - Rui He
- Wheat Research Institute, Gansu Academy of Agricultural Sciences, Lanzhou 730070, China
| | - Fangping Yang
- Wheat Research Institute, Gansu Academy of Agricultural Sciences, Lanzhou 730070, China
| | - Ying Guo
- Wheat Research Institute, Gansu Academy of Agricultural Sciences, Lanzhou 730070, China
| | - Bin Bai
- Wheat Research Institute, Gansu Academy of Agricultural Sciences, Lanzhou 730070, China
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Milne RJ, Dibley KE, Bose J, Riaz A, Zhang J, Schnippenkoetter W, Ashton AR, Ryan PR, Tyerman SD, Lagudah ES. Dissecting the causal polymorphism of the Lr67res multipathogen resistance gene. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:3877-3890. [PMID: 38618744 PMCID: PMC11233415 DOI: 10.1093/jxb/erae164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 04/14/2024] [Indexed: 04/16/2024]
Abstract
Partial resistance to multiple biotrophic fungal pathogens in wheat (Triticum aestivum L.) is conferred by a variant of the Lr67 gene, which encodes a hexose-proton symporter. Two mutations (G144R and V387L) differentiate the resistant and susceptible protein variants (Lr67res and Lr67sus). Lr67res lacks sugar transport capability and was associated with anion transporter-like properties when expressed in Xenopus laevis oocytes. Here, we extended this functional characterization to include yeast and in planta studies. The Lr67res allele, but not Lr67sus, induced sensitivity to ions in yeast (including NaCl, LiCl, and KI), which is consistent with our previous observations that Lr67res expression in oocytes induces novel ion fluxes. We demonstrate that another naturally occurring single amino acid variant in wheat, containing only the Lr67G144R mutation, confers rust resistance. Transgenic barley plants expressing the orthologous HvSTP13 gene carrying the G144R and V387L mutations were also more resistant to Puccinia hordei infection. NaCl treatment of pot-grown adult wheat plants with the Lr67res allele induced leaf tip necrosis and partial leaf rust resistance. An Lr67res-like function can be introduced into orthologous plant hexose transporters via single amino acid mutation, highlighting the strong possibility of generating disease resistance in other crops, especially with gene editing.
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Affiliation(s)
- Ricky J Milne
- CSIRO Agriculture and Food, Canberra, ACT 2601, Australia
| | | | - Jayakumar Bose
- Australian Research Council Centre of Excellence in Plant Energy Biology, School of Agriculture, Food and Wine, University of Adelaide, Urrbrae, SA 5064, Australia
- School of Science and Hawkesbury Institute for the Environment, Western Sydney University, Richmond, NSW 2753, Australia
| | - Adnan Riaz
- CSIRO Agriculture and Food, Canberra, ACT 2601, Australia
- AgriBio, Centre for AgriBioscience, Bundoora, VIC 3083, Australia
| | - Jianping Zhang
- CSIRO Agriculture and Food, Canberra, ACT 2601, Australia
- Plant Breeding Institute, School of Life and Environmental Sciences, University of Sydney, Cobbitty, NSW 2570, Australia
| | | | | | - Peter R Ryan
- CSIRO Agriculture and Food, Canberra, ACT 2601, Australia
| | - Stephen D Tyerman
- Australian Research Council Centre of Excellence in Plant Energy Biology, School of Agriculture, Food and Wine, University of Adelaide, Urrbrae, SA 5064, Australia
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Tong J, Zhao C, Liu D, Jambuthenne DT, Sun M, Dinglasan E, Periyannan SK, Hickey LT, Hayes BJ. Genome-wide atlas of rust resistance loci in wheat. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2024; 137:179. [PMID: 38980436 PMCID: PMC11233289 DOI: 10.1007/s00122-024-04689-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 06/29/2024] [Indexed: 07/10/2024]
Abstract
Rust diseases, including leaf rust, stripe/yellow rust, and stem rust, significantly impact wheat (Triticum aestivum L.) yields, causing substantial economic losses every year. Breeding and deployment of cultivars with genetic resistance is the most effective and sustainable approach to control these diseases. The genetic toolkit for wheat breeders to select for rust resistance has rapidly expanded with a multitude of genetic loci identified using the latest advances in genomics, mapping and cloning strategies. The goal of this review was to establish a wheat genome atlas that provides a comprehensive summary of reported loci associated with rust resistance. Our atlas provides a summary of mapped quantitative trait loci (QTL) and characterised genes for the three rusts from 170 publications over the past two decades. A total of 920 QTL or resistance genes were positioned across the 21 chromosomes of wheat based on the latest wheat reference genome (IWGSC RefSeq v2.1). Interestingly, 26 genomic regions contained multiple rust loci suggesting they could have pleiotropic effects on two or more rust diseases. We discuss a range of strategies to exploit this wealth of genetic information to efficiently utilise sources of resistance, including genomic information to stack desirable and multiple QTL to develop wheat cultivars with enhanced resistance to rust disease.
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Affiliation(s)
- Jingyang Tong
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - Cong Zhao
- National Wheat Improvement Centre, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Dan Liu
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - Dilani T Jambuthenne
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - Mengjing Sun
- National Wheat Improvement Centre, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Eric Dinglasan
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St Lucia, QLD, 4072, Australia.
| | - Sambasivam K Periyannan
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St Lucia, QLD, 4072, Australia.
- School of Agriculture and Environmental Science and Centre for Crop Health, University of Southern Queensland, Toowoomba, QLD, 4350, Australia.
| | - Lee T Hickey
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St Lucia, QLD, 4072, Australia.
| | - Ben J Hayes
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St Lucia, QLD, 4072, Australia.
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Hou F, Jin Y, Hu J, Kong L, Liu X, Xing L, Cao A, Zhang R. Transferring an Adult-Plant Stripe-Rust Resistance Gene Yr7VS from Chromosome 7V of Dasypyrum villosum (L.) to Bread Wheat. PLANTS (BASEL, SWITZERLAND) 2024; 13:1875. [PMID: 38999715 PMCID: PMC11244515 DOI: 10.3390/plants13131875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2024] [Revised: 07/04/2024] [Accepted: 07/04/2024] [Indexed: 07/14/2024]
Abstract
Stripe rust (Puccinia striiformis West. f.sp. tritici, Pst) is a destructive disease that seriously threatens wheat production globally. Exploring novel resistance genes for use in wheat breeding is an urgent need, as continuous Pst evolution frequently leads to a breakdown of host resistance. Here, we identified a set of wheat-Dasypyrum villosum 01I139 (V#6) disomic introgression lines for the purpose of determining their responses to a mixture of Pst isolates CYR32, CYR33 and CYR34 at both seedling and adult-plant stages. The results showed that all introgression lines exhibited high susceptibility at the seedling stage, with infection-type (IT) scores in the range of 6-8, whereas, for chromosomes 5V#6 and 7V#6, disomic addition lines NAU5V#6-1 and NAU7V#6-1 displayed high resistance at the adult-plant stage, indicating that adult-plant resistance (APR) genes were located on them. Further, in order to transfer the stripe-rust resistance on chromosome 7V#6, four new wheat-D. villosum introgression lines were identified, by the use of molecular cytogenetic approaches, from the self-pollinated seeds of 7D and 7V#6, in double monosomic line NAU7V#6-2. Among them, NAU7V#6-3 and NAU7V#6-4 were t7V#6L and t7V#6S monosomic addition lines, and NAU7V#6-5 and NAU7V#6-6 were homozygous T7DS·7V#6L and T7DL·7V#6S whole-arm translocation lines. Stripe-rust tests and genetic analyses of chromosome 7V#6 introgression lines revealed a dominant APR gene designated as Yr7VS on the chromosome arm 7V#6S. Comparison with the homozygous T7DL·7V#6S translocation line and the recurrent parent NAU0686 showed no significant differences in yield-related traits. Thus, T7DL·7V#6S whole-arm translocation with the APR gene Yr7VS provided a valuable germplasm for breeding for resistance.
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Affiliation(s)
- Fu Hou
- State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application/JCIC-MCP, College of Agronomy, Nanjing Agricultural University, Nanjing 210095, China
- Huaiyin Institute of Agricultural Sciences of Xuhuai Area in Jiangsu, Huaian 223001, China
| | - Yinyu Jin
- State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application/JCIC-MCP, College of Agronomy, Nanjing Agricultural University, Nanjing 210095, China
| | - Jin Hu
- State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application/JCIC-MCP, College of Agronomy, Nanjing Agricultural University, Nanjing 210095, China
| | - Lingna Kong
- State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application/JCIC-MCP, College of Agronomy, Nanjing Agricultural University, Nanjing 210095, China
| | - Xiaoxue Liu
- State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application/JCIC-MCP, College of Agronomy, Nanjing Agricultural University, Nanjing 210095, China
| | - Liping Xing
- State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application/JCIC-MCP, College of Agronomy, Nanjing Agricultural University, Nanjing 210095, China
- Zhongshan Biological Breeding Laboratory, No.50 Zhongling Street, Nanjing 210014, China
| | - Aizhong Cao
- State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application/JCIC-MCP, College of Agronomy, Nanjing Agricultural University, Nanjing 210095, China
- Zhongshan Biological Breeding Laboratory, No.50 Zhongling Street, Nanjing 210014, China
| | - Ruiqi Zhang
- State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application/JCIC-MCP, College of Agronomy, Nanjing Agricultural University, Nanjing 210095, China
- Zhongshan Biological Breeding Laboratory, No.50 Zhongling Street, Nanjing 210014, China
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Sharma D, Budhlakoti N, Kumari A, Saini DK, Sharma A, Yadav A, Mir RR, Singh AK, Vikas VK, Singh GP, Kumar S. Exploring the genetic architecture of powdery mildew resistance in wheat through QTL meta-analysis. FRONTIERS IN PLANT SCIENCE 2024; 15:1386494. [PMID: 39022610 PMCID: PMC11251950 DOI: 10.3389/fpls.2024.1386494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 06/11/2024] [Indexed: 07/20/2024]
Abstract
Powdery mildew (PM), caused by Blumeria graminis f. sp. tritici, poses a significant threat to wheat production, necessitating the development of genetically resistant varieties for long-term control. Therefore, exploring genetic architecture of PM in wheat to uncover important genomic regions is an important area of wheat research. In recent years, the utilization of meta-QTL (MQTL) analysis has gained prominence as an essential tool for unraveling the complex genetic architecture underlying complex quantitative traits. The aim of this research was to conduct a QTL meta-analysis to pinpoint the specific genomic regions in wheat responsible for governing PM resistance. This study integrated 222 QTLs from 33 linkage-based studies using a consensus map with 54,672 markers. The analysis revealed 39 MQTLs, refined to 9 high-confidence MQTLs (hcMQTLs) with confidence intervals of 0.49 to 12.94 cM. The MQTLs had an average physical interval of 41.00 Mb, ranging from 0.000048 Mb to 380.71 Mb per MQTL. Importantly, 18 MQTLs co-localized with known resistance genes like Pm2, Pm3, Pm8, Pm21, Pm38, and Pm41. The study identified 256 gene models within hcMQTLs, providing potential targets for marker-assisted breeding and genomic prediction programs to enhance PM resistance. These MQTLs would serve as a foundation for fine mapping, gene isolation, and functional genomics studies, facilitating a deeper understanding of molecular mechanisms. The identification of candidate genes opens up exciting possibilities for the development of PM-resistant wheat varieties after validation.
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Affiliation(s)
- Divya Sharma
- Divison of Genomic Resources, ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Neeraj Budhlakoti
- Centre for Agriculture Bioinformatics, ICAR-Indian Agricultural Statistics Research Institute, New Delhi, India
| | - Anita Kumari
- Department of Botany, University of Delhi, Delhi, India
| | - Dinesh Kumar Saini
- Department of Plant Breeding and Genetics, Punjab Agricultural University, Punjab, Ludhiana, India
| | - Anshu Sharma
- Divison of Genomic Resources, ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Aakash Yadav
- Divison of Genomic Resources, ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Reyazul Rouf Mir
- Department of Genetics and Plant Breeding , Sher-e-Kashmir University of Agricultural Sciences & Technology of Kashmir (SKUAST-K), Srinagar, Kashmir, India
| | - Amit Kumar Singh
- Divison of Genomic Resources, ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
| | - V. K. Vikas
- Divison of Crop Improvement, ICAR-Indian Agricultural Research Institute, Regional Station, Wellington, Tamilnadu, India
| | - Gyanendra Pratap Singh
- Divison of Genomic Resources, ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Sundeep Kumar
- Divison of Genomic Resources, ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
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Hou F, Chen H, Zhang T, Jin Y, Kong L, Liu X, Xing L, Cao A, Zhang R. Introgression of an All-Stage and Broad-Spectrum Powdery Mildew Resistance Gene Pm3VS from Dasypyrum villosum Chromosome 3V into Wheat. PLANT DISEASE 2024; 108:2073-2080. [PMID: 38389384 DOI: 10.1094/pdis-11-23-2495-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/24/2024]
Abstract
Powdery mildew, caused by Blumeria graminis f. sp. tritici (Bgt), is a serious disease that threatens wheat production globally. It is imperative to explore novel resistance genes to control this disease by developing and planting resistant varieties. Here, we identified a wheat-Dasypyrum villosum 3V (3D) disomic substitution line, NAU3815 (2n = 42), with a high level of powdery mildew resistance at both the seedling and adult-plant stages. Subsequently, NAU3815 was used to generate recombination between chromosomes 3V and 3D. Through genomic in situ hybridization (GISH), fluorescence in situ hybridization (FISH), and 3VS- and 3VL-specific markers analysis, four introgression lines were developed from the selfing progenies of 3V and 3D double monosomic line NAU3816, which was derived from the F1 hybrids of NAU3815/NAU0686. There were t3VS (3D) ditelosomic substitution line NAU3817, t3VL (3D) ditelosomic substitution line NAU3818, homozygous T3DL·3VS translocation line NAU3819, and homozygous T3DS·3VL translocation line NAU3820. Powdery mildew tests of these lines confirmed the presence of an all-stage and broad-spectrum powdery mildew resistance gene, Pm3VS, located on chromosome arm 3VS. When compared with the recurrent parent NAU0686 plants, the T3DL·3VS translocation line NAU3819 showed no obvious negative effect on yield-related traits. However, the introduction of the T3DL·3VS translocated chromosome had a strong effect on reducing the flag-leaf length. Consequently, the T3DL·3VS translocation line NAU3819 provides a new germplasm in breeding for both resistance and plant architecture.
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Affiliation(s)
- Fu Hou
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application/JCIC-MCP, Nanjing 210095, P.R. China
- Huaiyin Institute of Agricultural Sciences of Xuhuai Area in Jiangsu, Huaian 223001, China
| | - Heyu Chen
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application/JCIC-MCP, Nanjing 210095, P.R. China
| | - Ting Zhang
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application/JCIC-MCP, Nanjing 210095, P.R. China
| | - Yinyu Jin
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application/JCIC-MCP, Nanjing 210095, P.R. China
| | - Lingna Kong
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application/JCIC-MCP, Nanjing 210095, P.R. China
| | - Xiaoxue Liu
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application/JCIC-MCP, Nanjing 210095, P.R. China
| | - Liping Xing
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application/JCIC-MCP, Nanjing 210095, P.R. China
- Zhongshan Biological Breeding Laboratory, Nanjing, Jiangsu 210014, China
| | - Aizhong Cao
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application/JCIC-MCP, Nanjing 210095, P.R. China
- Zhongshan Biological Breeding Laboratory, Nanjing, Jiangsu 210014, China
| | - Ruiqi Zhang
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application/JCIC-MCP, Nanjing 210095, P.R. China
- Zhongshan Biological Breeding Laboratory, Nanjing, Jiangsu 210014, China
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Wei Y, Zhang T, Jin Y, Li W, Kong L, Liu X, Xing L, Cao A, Zhang R. Introgression of an adult-plant powdery mildew resistance gene Pm4VL from Dasypyrum villosum chromosome 4V into bread wheat. FRONTIERS IN PLANT SCIENCE 2024; 15:1401525. [PMID: 38966140 PMCID: PMC11222578 DOI: 10.3389/fpls.2024.1401525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Accepted: 05/30/2024] [Indexed: 07/06/2024]
Abstract
Powdery mildew caused by Blumeria graminis f. sp. tritici (Bgt) seriously threatens wheat production worldwide. It is imperative to identify novel resistance genes from wheat and its wild relatives to control this disease by host resistance. Dasypyrum villosum (2n = 2x = 14, VV) is a relative of wheat and harbors novel genes for resistance against multi-fungal diseases. In the present study, we developed a complete set of new wheat-D. villosum disomic introgression lines through genomic in situ hybridization (GISH), fluorescence in situ hybridization (FISH) and molecular markers analysis, including four disomic substitution lines (2n=42) containing respectively chromosomes 1V#6, 2V#6, 3V#6, and 6V#6, and four disomic addition lines (2n=44) containing respectively chromosomes 4V#6, 5V#6, 6V#6 and 7V#6. These lines were subsequently evaluated for their responses to a mixture Bgt isolates at both seedling and adult-plant stages. Results showed that introgression lines containing chromosomes 3V#6, 5V#6, and 6V#6 exhibited resistance at both seedling and adult-plant stages, whereas the chromosome 4V#6 disomic addition line NAU4V#6-1 exhibited a high level of adult plant resistance to powdery mildew. Moreover, two translocation lines were further developed from the progenies of NAU4V#6-1 and the Ph1b mutation line NAU0686-ph1b. They were T4DL·4V#6S whole-arm translocation line NAU4V#6-2 and T7DL·7DS-4V#6L small-fragment translocation line NAU4V#6-3. Powdery mildew tests of the two lines confirmed the presence of an adult-plant powdery mildew resistance gene, Pm4VL, located on the terminal segment of chromosome arm 4V#6L (FL 0.6-1.00). In comparison with the recurrent parent NAU0686 plants, the T7DL·7DS-4V#6L translocation line NAU4V#6-3 showed no obvious negative effect on yield-related traits, providing a new germplasm in breeding for resistance.
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Affiliation(s)
- Yi Wei
- College of Agronomy of Nanjing Agricultural University, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application, JCIC-MCP, Nanjing, China
| | - Ting Zhang
- College of Agronomy of Nanjing Agricultural University, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application, JCIC-MCP, Nanjing, China
| | - Yinyu Jin
- College of Agronomy of Nanjing Agricultural University, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application, JCIC-MCP, Nanjing, China
| | - Wen Li
- College of Agronomy of Nanjing Agricultural University, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application, JCIC-MCP, Nanjing, China
| | - Lingna Kong
- College of Agronomy of Nanjing Agricultural University, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application, JCIC-MCP, Nanjing, China
| | - Xiaoxue Liu
- College of Agronomy of Nanjing Agricultural University, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application, JCIC-MCP, Nanjing, China
| | - Liping Xing
- College of Agronomy of Nanjing Agricultural University, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application, JCIC-MCP, Nanjing, China
- Zhongshan Biological Breeding Laboratory, Nanjing, Jiangsu, China
| | - Aizhong Cao
- College of Agronomy of Nanjing Agricultural University, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application, JCIC-MCP, Nanjing, China
- Zhongshan Biological Breeding Laboratory, Nanjing, Jiangsu, China
| | - Ruiqi Zhang
- College of Agronomy of Nanjing Agricultural University, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Application, JCIC-MCP, Nanjing, China
- Zhongshan Biological Breeding Laboratory, Nanjing, Jiangsu, China
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8
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Liu X, Yang C, Wu S, Dong H, Wang G, Han X, Fan B, Shang Y, Dang C, Xie C, Wang Z. Genetic Basis Identification of a NLR Gene, TaRGA5-like, That Confers Partial Powdery Mildew Resistance in Wheat SJ106. Int J Mol Sci 2024; 25:6603. [PMID: 38928313 PMCID: PMC11204014 DOI: 10.3390/ijms25126603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 05/29/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024] Open
Abstract
Wheat powdery mildew is an important fungal disease that seriously jeopardizes wheat production, which poses a serious threat to food safety. SJ106 is a high-quality, disease-resistant spring wheat variety; this disease resistance is derived from Wheat-wheatgrass 33. In this study, the powdery mildew resistance genes in SJ106 were located at the end of chromosome 6DS, a new disease resistance locus tentatively named PmSJ106 locus. This interval was composed of a nucleotide-binding leucine-rich repeat (NLR) gene cluster containing 19 NLR genes. Five NLRs were tandem duplicated genes, and one of them (a coiled coil domain-nucleotide binding site-leucine-rich repeat (CC-NBS-LRR; CNL) type gene, TaRGA5-like) expressed 69-836-fold in SJ106 compared with the susceptible control. The genome DNA and cDNA sequences of TaRGA5-like were amplified from SJ106, which contain several nucleotide polymorphisms in LRR regions compared with susceptible individuals and Chinese Spring. Overexpression of TaRGA5-like significantly increased resistance to powdery mildew in susceptible receptor wheat Jinqiang5. However, Virus induced gene silence (VIGS) of TaRGA5-like resulted in only a small decrease of SJ106 in disease resistance, presumably compensated by other NLR duplicated genes. The results suggested that TaRGA5-like confers partial powdery mildew resistance in SJ106. As a member of the PmSJ106 locus, TaRGA5-like functioned together with other NLR duplicated genes to improve wheat resistance to powdery mildew. Wheat variety SJ106 would become a novel and potentially valuable germplasm for powdery mildew resistance.
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Affiliation(s)
- Xiaoying Liu
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin 300387, China; (X.L.); (C.Y.); (S.W.); (H.D.); (G.W.); (X.H.); (B.F.)
| | - Chenxiao Yang
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin 300387, China; (X.L.); (C.Y.); (S.W.); (H.D.); (G.W.); (X.H.); (B.F.)
| | - Siqi Wu
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin 300387, China; (X.L.); (C.Y.); (S.W.); (H.D.); (G.W.); (X.H.); (B.F.)
| | - Huixuan Dong
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin 300387, China; (X.L.); (C.Y.); (S.W.); (H.D.); (G.W.); (X.H.); (B.F.)
| | - Guangyu Wang
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin 300387, China; (X.L.); (C.Y.); (S.W.); (H.D.); (G.W.); (X.H.); (B.F.)
| | - Xinyue Han
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin 300387, China; (X.L.); (C.Y.); (S.W.); (H.D.); (G.W.); (X.H.); (B.F.)
| | - Baoli Fan
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin 300387, China; (X.L.); (C.Y.); (S.W.); (H.D.); (G.W.); (X.H.); (B.F.)
| | - Yuntao Shang
- Tianjin Key Laboratory of Water Resources and Environment, Tianjin Normal University, Tianjin 300387, China;
| | - Chen Dang
- Key Laboratory of Crop Heterosis and Utilization (MOE), State Key Laboratory for Agro-Biotechnology, Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, Beijing 100193, China; (C.D.); (C.X.)
| | - Chaojie Xie
- Key Laboratory of Crop Heterosis and Utilization (MOE), State Key Laboratory for Agro-Biotechnology, Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, Beijing 100193, China; (C.D.); (C.X.)
| | - Zhenying Wang
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin 300387, China; (X.L.); (C.Y.); (S.W.); (H.D.); (G.W.); (X.H.); (B.F.)
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9
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Zhou X, Jia G, Luo Y, Li X, Cai L, Chen X, Kang Z. Fine mapping of QYrsv.swust-1BL for resistance to stripe rust in durum wheat Svevo. FRONTIERS IN PLANT SCIENCE 2024; 15:1395223. [PMID: 38933466 PMCID: PMC11204296 DOI: 10.3389/fpls.2024.1395223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Accepted: 05/06/2024] [Indexed: 06/28/2024]
Abstract
Stripe rust, caused by Puccinia striiformis f. sp. tritici (Pst), is a serious disease that affects wheat worldwide. There is a great need to develop cultivars with combinations of all-stage resistance (ASR) and adult-plant resistance (APR) genes for sustainable control of the disease. QYrsv.swust-1BL in the Italian durum wheat (Triticum turgidum ssp. durum) cultivar Svevo is effective against Pst races in China and Israel, and the gene has been previously mapped to the long arm of chromosome 1B. The gene is flanked by SNP (single nucleotide polymorphism) markers IWB5732 and IWB4839 (0.75 cM). In the present study, we used high-density 660K SNP array genotyping and the phenotypes of 137 recombinant inbred lines (RILs) to fine map the QYrsv.swust-1BL locus within a 1.066 Mb region in durum wheat Svevo (RefSeq Rel. 1.0) on chromosome arm 1BL. The identified 1.066 Mb region overlaps with a previously described map of Yr29/QYr.ucw-1BL, a stripe rust APR gene. Twenty-five candidate genes for QYrsv.swut-1BL were identified through comparing polymorphic genes within the 1.066 Mb region in the resistant cultivar. SNP markers were selected and converted to Kompetitive allele-specific polymerase chain reaction (KASP) markers. Five KASP markers based on SNP were validated in a F2 and F2:3 breeding population, providing further compelling evidence for the significant effects of QYrsv.swut-1BL. These markers should be useful in marker-assisted selection for incorporating Yr29/QYrsv.swust-1BL into new durum and common wheat cultivars for resistance to stripe rust.
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Affiliation(s)
- Xinli Zhou
- Wheat Research Institute, School of Life Sciences and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, China
| | - Guoyun Jia
- Wheat Research Institute, School of Life Sciences and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, China
| | - Yuqi Luo
- Wheat Research Institute, School of Life Sciences and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, China
| | - Xin Li
- Wheat Research Institute, School of Life Sciences and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, China
| | - Lin Cai
- College of Tobacco Science of Guizhou University, Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), Guizhou Key Lab of Agro-Bioengineering, Guiyang, China
| | - Xianming Chen
- US Department of Agriculture, Agricultural Research Service, Wheat Health, Genetics, and Quality Research Unit, and Department of Plant Pathology, Washington State University, Pullman, WA, United States
| | - Zhensheng Kang
- State Key Laboratory of Crop Stress Biology in Arid Areas and College of Plant Protection, Northwest A&F University, Xianyang, Shaanxi, China
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10
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Wang X, Xiang M, Li H, Li X, Mu K, Huang S, Zhang Y, Cheng X, Yang S, Yuan X, Singh RP, Bhavani S, Zeng Q, Wu J, Kang Z, Liu S, Han D. High-density mapping of durable and broad-spectrum stripe rust resistance gene Yr30 in wheat. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2024; 137:152. [PMID: 38850423 DOI: 10.1007/s00122-024-04654-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 05/21/2024] [Indexed: 06/10/2024]
Abstract
KEY MESSAGE The durable stripe rust resistance gene Yr30 was fine-mapped to a 610-kb region in which five candidate genes were identified by expression analysis and sequence polymorphisms. The emergence of genetically diverse and more aggressive races of Puccinia striiformis f. sp. tritici (Pst) in the past twenty years has resulted in global stripe rust outbreaks and the rapid breakdown of resistance genes. Yr30 is an adult plant resistance (APR) gene with broad-spectrum effectiveness and its durability. Here, we fine-mapped the YR30 locus to a 0.52-cM interval using 1629 individuals derived from residual heterozygous F5:6 plants in a Yaco"S"/Mingxian169 recombinant inbred line population. This interval corresponded to a 610-kb region in the International Wheat Genome Sequencing Consortium (IWGSC) RefSeq version 2.1 on chromosome arm 3BS harboring 30 high-confidence genes. Five genes were identified as candidate genes based on functional annotation, expression analysis by RNA-seq and sequence polymorphisms between cultivars with and without Yr30 based on resequencing. Haplotype analysis of the target region identified six haplotypes (YR30_h1-YR30_h6) in a panel of 1215 wheat accessions based on the 660K feature genotyping array. Lines with YR30_h6 displayed more resistance to stripe rust than the other five haplotypes. Near-isogenic lines (NILs) with Yr30 showed a 32.94% higher grain yield than susceptible counterparts when grown in a stripe rust nursery, whereas there was no difference in grain yield under rust-free conditions. These results lay a foundation for map-based cloning Yr30.
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Affiliation(s)
- Xiaoting Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Mingjie Xiang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Huaizhou Li
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Xiaoxiao Li
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Keqing Mu
- State Key Laboratory of Crop Stress Biology for Arid Areas, Plant Protection, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Shuo Huang
- State Key Laboratory of Crop Stress Biology for Arid Areas, Plant Protection, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Yibo Zhang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Xiangrui Cheng
- State Key Laboratory of Crop Stress Biology for Arid Areas, Plant Protection, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Shuqing Yang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Xunying Yuan
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Ravi P Singh
- International Maize and Wheat Improvement Center (CIMMYT), 56237, El Batan, Texcoco, Estado de Mexico, Mexico
- Hubei Hongshan Laboratory, National Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, No. 1 Shizishan Street, Hongshan District, Wuhan City, 430070, Hubei Province, China
| | - Sridhar Bhavani
- International Maize and Wheat Improvement Center (CIMMYT), 56237, El Batan, Texcoco, Estado de Mexico, Mexico
| | - Qingdong Zeng
- State Key Laboratory of Crop Stress Biology for Arid Areas, Plant Protection, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Jianhui Wu
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Zhensheng Kang
- State Key Laboratory of Crop Stress Biology for Arid Areas, Plant Protection, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Shengjie Liu
- State Key Laboratory of Crop Stress Biology for Arid Areas, Plant Protection, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China.
| | - Dejun Han
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China.
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11
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Ijaz U, Zhao C, Shabala S, Zhou M. Molecular Basis of Plant-Pathogen Interactions in the Agricultural Context. BIOLOGY 2024; 13:421. [PMID: 38927301 PMCID: PMC11200688 DOI: 10.3390/biology13060421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 06/03/2024] [Accepted: 06/03/2024] [Indexed: 06/28/2024]
Abstract
Biotic stressors pose significant threats to crop yield, jeopardizing food security and resulting in losses of over USD 220 billion per year by the agriculture industry. Plants activate innate defense mechanisms upon pathogen perception and invasion. The plant immune response comprises numerous concerted steps, including the recognition of invading pathogens, signal transduction, and activation of defensive pathways. However, pathogens have evolved various structures to evade plant immunity. Given these facts, genetic improvements to plants are required for sustainable disease management to ensure global food security. Advanced genetic technologies have offered new opportunities to revolutionize and boost plant disease resistance against devastating pathogens. Furthermore, targeting susceptibility (S) genes, such as OsERF922 and BnWRKY70, through CRISPR methodologies offers novel avenues for disrupting the molecular compatibility of pathogens and for introducing durable resistance against them in plants. Here, we provide a critical overview of advances in understanding disease resistance mechanisms. The review also critically examines management strategies under challenging environmental conditions and R-gene-based plant genome-engineering systems intending to enhance plant responses against emerging pathogens. This work underscores the transformative potential of modern genetic engineering practices in revolutionizing plant health and crop disease management while emphasizing the importance of responsible application to ensure sustainable and resilient agricultural systems.
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Affiliation(s)
- Usman Ijaz
- Tasmanian Institute of Agriculture, University of Tasmania, Launceston, TAS 7250, Australia; (U.I.); (C.Z.)
| | - Chenchen Zhao
- Tasmanian Institute of Agriculture, University of Tasmania, Launceston, TAS 7250, Australia; (U.I.); (C.Z.)
| | - Sergey Shabala
- School of Biological Science, University of Western Australia, Crawley, WA 6009, Australia;
- International Research Centre for Environmental Membrane Biology, Foshan University, Foshan 528000, China
| | - Meixue Zhou
- Tasmanian Institute of Agriculture, University of Tasmania, Launceston, TAS 7250, Australia; (U.I.); (C.Z.)
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12
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Zhao Y, Dong Z, Miao J, Liu Q, Ma C, Tian X, He J, Bi H, Yao W, Li T, Gill HS, Zhang Z, Cao A, Liu B, Li H, Sehgal SK, Liu W. Pm57 from Aegilops searsii encodes a tandem kinase protein and confers wheat powdery mildew resistance. Nat Commun 2024; 15:4796. [PMID: 38839783 PMCID: PMC11153570 DOI: 10.1038/s41467-024-49257-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 05/29/2024] [Indexed: 06/07/2024] Open
Abstract
Powdery mildew is a devastating disease that affects wheat yield and quality. Wheat wild relatives represent valuable sources of disease resistance genes. Cloning and characterization of these genes will facilitate their incorporation into wheat breeding programs. Here, we report the cloning of Pm57, a wheat powdery mildew resistance gene from Aegilops searsii. It encodes a tandem kinase protein with putative kinase-pseudokinase domains followed by a von Willebrand factor A domain (WTK-vWA), being ortholog of Lr9 that mediates wheat leaf rust resistance. The resistance function of Pm57 is validated via independent mutants, gene silencing, and transgenic assays. Stable Pm57 transgenic wheat lines and introgression lines exhibit high levels of all-stage resistance to diverse isolates of the Bgt fungus, and no negative impacts on agronomic parameters are observed in our experimental set-up. Our findings highlight the emerging role of kinase fusion proteins in plant disease resistance and provide a valuable gene for wheat breeding.
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Affiliation(s)
- Yue Zhao
- State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, China
| | - Zhenjie Dong
- College of Agronomy, Nanjing Agricultural University, Nanjing, 210000, China
| | - Jingnan Miao
- State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, China
| | - Qianwen Liu
- State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, China
| | - Chao Ma
- State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, China
| | - Xiubin Tian
- State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, China
| | - Jinqiu He
- State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, China
| | - Huihui Bi
- State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, China
| | - Wen Yao
- State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, China
| | - Tao Li
- State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, China
| | - Harsimardeep S Gill
- Department of Agronomy, Horticulture and Plant Science, South Dakota State University, Brookings, SD, 57007, USA
| | - Zhibin Zhang
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, China
| | - Aizhong Cao
- College of Agronomy, Nanjing Agricultural University, Nanjing, 210000, China
| | - Bao Liu
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, China
| | - Huanhuan Li
- State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Sunish K Sehgal
- Department of Agronomy, Horticulture and Plant Science, South Dakota State University, Brookings, SD, 57007, USA.
| | - Wenxuan Liu
- State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, China.
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13
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Jin Y, Yu Z, Su F, Fang T, Liu S, Xu H, Wang J, Xiao B, Han G, Li H, Ma P. Evaluation and Identification of Powdery Mildew Resistance Genes in Aegilops tauschii and Emmer Wheat Accessions. PLANT DISEASE 2024; 108:1670-1681. [PMID: 38173259 DOI: 10.1094/pdis-08-23-1667-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Powdery mildew, caused by Blumeria graminis f. sp. tritici (Bgt), is a serious threat to wheat (Triticum aestivum L.) production. Narrow genetic basis of common wheat boosted the demand for diversified donors against powdery mildew. Aegilops tauschii Coss (2n = 2x = DD) and emmer wheat (2n = 4x = AABB), as the ancestor species of common wheat, are important gene donors for genetic improvement of common wheat. In this study, a total of 71 Ae. tauschii and 161 emmer wheat accessions were first evaluated for their powdery mildew resistance using the Bgt isolate E09. Thirty-three Ae. tauschii (46.5%) and 108 emmer wheat accessions (67.1%) were resistant. Then, all these accessions were tested by the diagnostic markers for 21 known Pm genes. The results showed that Pm2 alleles were detected in all the 71 Ae. tauschii and only Pm4 alleles were detected in 20 of 161 emmer wheat accessions. After haplotype analysis, we identified four Pm4 alleles (Pm4a, Pm4b, Pm4d, and Pm4f) in the emmer wheat accessions and three Pm2 alleles (Pm2d, Pm2e, and Pm2g) in the Ae. tauschii. Further resistance spectrum analysis indicated that these resistance accessions displayed different resistance reactions to different Bgt isolates, implying they may have other Pm genes apart from Pm2 and/or Pm4 alleles. Notably, a new Pm2 allele, Pm2S, was identified in Ae. tauschii, which contained a 64-bp deletion in the first exon and formed a new termination site at the 513th triplet of the shifted reading frame compared with reported Pm2 alleles. The phylogenetic tree of Pm2S showed that the kinship of Pm2S was close to Pm2h. To efficiently and accurately detect Pm2S and distinguish with other Pm2 alleles in Ae. tauschii background, a diagnostic marker, YTU-QS-3, was developed, and its effectiveness was verified. This study provided valuable Pm alleles and enriched the genetic diversity of the powdery mildew resistance in wheat improvement.
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Affiliation(s)
- Yuli Jin
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai 264005, China
| | - Ziyang Yu
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai 264005, China
| | - Fuyu Su
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai 264005, China
| | - Tianying Fang
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai 264005, China
| | - Shuang Liu
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai 264005, China
| | - Hongxing Xu
- School of Life Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Jiaojiao Wang
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai 264005, China
| | - Bei Xiao
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai 264005, China
| | - Guohao Han
- Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang 050021, China
| | - Hongjie Li
- The National Engineering Laboratory of Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Pengtao Ma
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai 264005, China
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14
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Spychała J, Tomkowiak A, Noweiska A, Bobrowska R, Bocianowski J, Sobiech A, Kwiatek MT. Diversity of Expression Patterns of Lr34, Lr67, and Candidate Genes towards Lr46 with Analysis of Associated miRNAs in Common Wheat Hybrids in Response to Puccinia triticina Fungus. Curr Issues Mol Biol 2024; 46:5511-5529. [PMID: 38921001 PMCID: PMC11201949 DOI: 10.3390/cimb46060329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/21/2024] [Accepted: 05/29/2024] [Indexed: 06/27/2024] Open
Abstract
Leaf rust caused by Puccinia triticina (Pt) is one of the most dangerous diseases causing significant losses in common wheat crops. In adult plants resistant to rust, a horizontal adult plant resistance (APR) type is observed, which protects the plant against multiple pathogen races and is distinguished by greater persistence under production conditions. Crucial pleiotropic slow-rust genes such as Lr34, Lr46, Lr67, and Lr68, in combination with other genes of lesser influence, continue to increase durable resistance to rust diseases. Based on our previous results, we selected four candidate genes for Lr46 out of ten candidates and analysed them for expression before and after inoculation by P. triticina. As part of our study, we also investigated the expression patterns of miRNA molecules complementary to Lr34 and the candidate genes. The aim of the study was to analyse the expression profiles of candidate genes for the Lr46 gene and the Lr34 and Lr67 genes responsible for the differential leaf-rust resistance of hybrid forms of the F1 generation resulting from crosses between the Glenlea cultivar and cultivars from Polish breeding companies. In addition, the expression of five miRNAs (tae-miR9653b, tae-miR5384-3p, tae-miR9780, tae-miR9775 and tae-miR164), complementary to Lr34, and selected candidate genes were analysed using stem-loop RT-PCR and ddPCR. Biotic stress was induced in adult plants by inoculation with Pt fungal spores, under controlled conditions. Plant material was collected before and 6, 12, 24, and 48 h after inoculation (hpi). Differences in expression patterns of Lr34, Lr67, and candidate genes (for Lr46) were analysed by qRT-PCR and showed that gene expression changed at the analysed time points. Identification of molecular markers coupled to the Lr genes studied was also carried out to confirm the presence of these genes in wheat hybrids. qRT-PCR was used to examine the expression levels of the resistance genes. The highest expression of Lr46/Yr29 genes (Lr46-Glu2, Lr46-RLK1, Lr46-RLK2, and Lr46-RLK3) occurred at 12 and 24 hpi, and such expression profiles were obtained for only one candidate gene among the four genes analysed (Lr46-Glu2), indicating that it may be involved in resistance mechanisms of response to Pt infection.
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Affiliation(s)
- Julia Spychała
- Department of Genetics and Plant Breeding, Faculty of Agronomy, Horticulture and Biotechnology, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland; (J.S.); (A.N.); (R.B.); (A.S.); (M.T.K.)
| | - Agnieszka Tomkowiak
- Department of Genetics and Plant Breeding, Faculty of Agronomy, Horticulture and Biotechnology, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland; (J.S.); (A.N.); (R.B.); (A.S.); (M.T.K.)
| | - Aleksandra Noweiska
- Department of Genetics and Plant Breeding, Faculty of Agronomy, Horticulture and Biotechnology, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland; (J.S.); (A.N.); (R.B.); (A.S.); (M.T.K.)
| | - Roksana Bobrowska
- Department of Genetics and Plant Breeding, Faculty of Agronomy, Horticulture and Biotechnology, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland; (J.S.); (A.N.); (R.B.); (A.S.); (M.T.K.)
| | - Jan Bocianowski
- Department of Mathematical and Statistical Methods, Poznań University of Life Sciences, 60-637 Poznań, Poland
| | - Aleksandra Sobiech
- Department of Genetics and Plant Breeding, Faculty of Agronomy, Horticulture and Biotechnology, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland; (J.S.); (A.N.); (R.B.); (A.S.); (M.T.K.)
| | - Michał Tomasz Kwiatek
- Department of Genetics and Plant Breeding, Faculty of Agronomy, Horticulture and Biotechnology, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland; (J.S.); (A.N.); (R.B.); (A.S.); (M.T.K.)
- Plant Breeding and Acclimatization Institute—National Research Institute in Radzików, 05-870 Błonie, Poland
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15
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Sun P, Han X, Milne RJ, Li G. Trans-crop applications of atypical R genes for multipathogen resistance. TRENDS IN PLANT SCIENCE 2024:S1360-1385(24)00122-5. [PMID: 38811244 DOI: 10.1016/j.tplants.2024.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 05/06/2024] [Accepted: 05/08/2024] [Indexed: 05/31/2024]
Abstract
Genetic resistance to plant diseases is essential for global food security. Significant progress has been achieved for plant disease-resistance (R) genes comprising nucleotide-binding domain, leucine-rich repeat-containing receptors (NLRs), and membrane-localized receptor-like kinases or proteins (RLKs/RLPs), which we refer to as typical R genes. However, there is a knowledge gap in how non-receptor-type or atypical R genes contribute to plant immunity. Here, we summarize resources and technologies facilitating the study of atypical R genes, examine diverse atypical R proteins for broad-spectrum resistance, and outline potential approaches for trans-crop applications of atypical R genes. Studies of atypical R genes are important for a holistic understanding of plant immunity and the development of novel strategies in disease control and crop improvement.
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Affiliation(s)
- Peng Sun
- National Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, Hubei Key Laboratory of Plant Pathology, The Center of Crop Nanobiotechnology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xinyu Han
- National Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, Hubei Key Laboratory of Plant Pathology, The Center of Crop Nanobiotechnology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Ricky J Milne
- CSIRO Agriculture and Food, Canberra, ACT 2601, Australia.
| | - Guotian Li
- National Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, Hubei Key Laboratory of Plant Pathology, The Center of Crop Nanobiotechnology, Huazhong Agricultural University, Wuhan, 430070, China.
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16
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Qian Z, Liu R, Liu X, Qie Y, Wang J, Yin Y, Xin Q, Yu N, Zhang J, Li Y, Li J, Dai Y, Liu C, Jin Y, Ma P. Bulked segregant RNA-seq reveals complex resistance expression profile to powdery mildew in wild emmer wheat W762. FRONTIERS IN PLANT SCIENCE 2024; 15:1387427. [PMID: 38817928 PMCID: PMC11137253 DOI: 10.3389/fpls.2024.1387427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Accepted: 04/30/2024] [Indexed: 06/01/2024]
Abstract
Powdery mildew, caused by Blumeria graminis f. sp. tritici (Bgt), is one of the most destructive fungal diseases threatening global wheat production. Exploring powdery mildew resistance (Pm) gene(s) and dissecting the molecular mechanism of the host resistance are critical to effectively and reasonably control this disease. Durum wheat (Triticum turgidum L. var. durumDesf.) is an important gene donor for wheat improvement against powdery mildew. In this study, a resistant durum wheat accession W762 was used to investigate its potential resistance component(s) and profile its expression pattern in responding to Bgt invasion using bulked segregant RNA-Seq (BSR-Seq) and further qRT-PCR verification. Genetic analysis showed that the powdery mildew resistance in W762 did not meet monogenic inheritance and complex genetic model might exist within the population of W762 × Langdon (susceptible durum wheat). After BSR-Seq, 6,196 consistently different single nucleotide polymorphisms (SNPs) were called between resistant and susceptible parents and bulks, and among them, 763 SNPs were assigned to the chromosome arm 7B. Subsequently, 3,653 differentially expressed genes (DEGs) between resistant and susceptible parents and bulks were annotated and analyzed by Gene Ontology (GO), Cluster of Orthologous Groups (COG), and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment. The potential regulated genes were selected and analyzed their temporal expression patterns following Bgt inoculation. As a result, nine disease-related genes showed distinctive expression profile after Bgt invasion and might serve as potential targets to regulate the resistance against powdery mildew in W762. Our study could lay a foundation for analysis of the molecular mechanism and also provide potential targets for the improvement of durable resistance against powdery mildew.
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Affiliation(s)
- Zejun Qian
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Ruishan Liu
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Xueqing Liu
- Institute of Grain and Oil Crops, Yantai Academy of Agricultural Sciences, Yantai, China
| | - Yanmin Qie
- Institute of Cereal and Oil Crops, Hebei Academy of Agricultural and Forestry Sciences/Hebei Laboratory of Crop Genetic and Breeding, Shijiazhuang, China
| | - Jiangchun Wang
- Institute of Grain and Oil Crops, Yantai Academy of Agricultural Sciences, Yantai, China
| | - Yan Yin
- Institute of Grain and Oil Crops, Yantai Academy of Agricultural Sciences, Yantai, China
| | - Qingguo Xin
- Institute of Grain and Oil Crops, Yantai Academy of Agricultural Sciences, Yantai, China
| | - Ningning Yu
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Jiadong Zhang
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Yaoxue Li
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Jiatong Li
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Yintao Dai
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Cheng Liu
- Crop Research Institute, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Yuli Jin
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Pengtao Ma
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
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Singh D, Kankwatsa P, Sandhu KS, Bansal UK, Forrest KL, Park RF. Mapping of Leaf Rust Resistance Loci in Two Kenyan Wheats and Development of Linked Markers. Genes (Basel) 2024; 15:583. [PMID: 38790212 PMCID: PMC11121149 DOI: 10.3390/genes15050583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 04/26/2024] [Accepted: 04/30/2024] [Indexed: 05/26/2024] Open
Abstract
Leaf rust caused by the pathogen Puccinia triticina (Pt) is a destructive fungal disease of wheat that occurs in almost all wheat-growing areas across the globe. Genetic resistance has proven to be the best solution to mitigate the disease. Wheat breeders are continuously seeking new diversified and durable sources of resistance to use in developing new varieties. We developed recombinant inbred line (RIL) populations from two leaf rust-resistant genotypes (Kenya Kudu and AUS12568) introduced from Kenya to identify and characterize resistance to Pt and to develop markers linked closely to the resistance that was found. Our studies detected four QTL conferring adult plant resistance (APR) to leaf rust. Two of these loci are associated with known genes, Lr46 and Lr68, residing on chromosomes 1B and 7B, respectively. The remaining two, QLrKK_2B and QLrAus12568_5A, contributed by Kenya Kudu and AUS12568 respectively, are putatively new loci for Pt resistance. Both QLrKK_2B and QLrAus12568_5A were found to interact additively with Lr46 in significantly reducing the disease severity at adult plant growth stages in the field. We further developed a suite of six closely linked markers within the QLrAus12568_5A locus and four within the QLrKK_2B region. Among these, markers sunKASP_522 and sunKASP_524, flanking QLrAus12568_5A, and sunKASP_536, distal to QLrKK_2B, were identified as the most closely linked and reliable for marker-assisted selection. The markers were validated on a selection of 64 Australian wheat varieties and found to be polymorphic and robust, allowing for clear allelic discrimination. The identified new loci and linked molecular markers will enable rapid adoption by breeders in developing wheat varieties carrying diversified and durable resistance to leaf rust.
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Affiliation(s)
- Davinder Singh
- Plant Breeding Institute, School of Life and Environmental Sciences, University of Sydney, Narellan, NSW 2567, Australia; (K.S.S.); (U.K.B.); (R.F.P.)
| | - Peace Kankwatsa
- National Agricultural Research Organization, MbaZARDI, Mbarara City P.O. Box 389, Uganda;
| | - Karanjeet S. Sandhu
- Plant Breeding Institute, School of Life and Environmental Sciences, University of Sydney, Narellan, NSW 2567, Australia; (K.S.S.); (U.K.B.); (R.F.P.)
| | - Urmil K. Bansal
- Plant Breeding Institute, School of Life and Environmental Sciences, University of Sydney, Narellan, NSW 2567, Australia; (K.S.S.); (U.K.B.); (R.F.P.)
| | - Kerrie L. Forrest
- Agriculture Victoria, AgriBio, Centre for AgriBioscience, Bundoora, VIC 3083, Australia;
| | - Robert F. Park
- Plant Breeding Institute, School of Life and Environmental Sciences, University of Sydney, Narellan, NSW 2567, Australia; (K.S.S.); (U.K.B.); (R.F.P.)
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18
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Wang Y, Zhang K, Chen D, Liu K, Chen W, He F, Tong Z, Luo Q. Co-expression network analysis and identification of core genes in the interaction between wheat and Puccinia striiformis f. sp. tritici. Arch Microbiol 2024; 206:241. [PMID: 38698267 DOI: 10.1007/s00203-024-03925-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Revised: 02/25/2024] [Accepted: 03/04/2024] [Indexed: 05/05/2024]
Abstract
The epidemic of stripe rust, caused by the pathogen Puccinia striiformis f. sp. tritici (Pst), would reduce wheat (Triticum aestivum) yields seriously. Traditional experimental methods are difficult to discover the interaction between wheat and Pst. Multi-omics data analysis provides a new idea for efficiently mining the interactions between host and pathogen. We used 140 wheat-Pst RNA-Seq data to screen for differentially expressed genes (DEGs) between low susceptibility and high susceptibility samples, and carried out Gene Ontology (GO) enrichment analysis. Based on this, we constructed a gene co-expression network, identified the core genes and interacted gene pairs from the conservative modules. Finally, we checked the distribution of Nucleotide-binding and leucine-rich repeat (NLR) genes in the co-expression network and drew the wheat NLR gene co-expression network. In order to provide accessible information for related researchers, we built a web-based visualization platform to display the data. Based on the analysis, we found that resistance-related genes such as TaPR1, TaWRKY18 and HSP70 were highly expressed in the network. They were likely to be involved in the biological processes of Pst infecting wheat. This study can assist scholars in conducting studies on the pathogenesis and help to advance the investigation of wheat-Pst interaction patterns.
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Affiliation(s)
- Yibo Wang
- Key Laboratory of Tobacco Biotechnological Breeding, Yunnan Academy of Tobacco Agricultural Sciences, National Tobacco Genetic Engineering Research Centre, Kunming, 650021, China
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ke Zhang
- Yunnan Tobacco Quality Inspection & Supervision Station, Kunming, 650106, People's Republic of China
| | - Dan Chen
- Yunnan Tobacco Quality Inspection & Supervision Station, Kunming, 650106, People's Republic of China
| | - Kai Liu
- Yunnan Tobacco Quality Inspection & Supervision Station, Kunming, 650106, People's Republic of China
| | - Wei Chen
- Yunnan Tobacco Quality Inspection & Supervision Station, Kunming, 650106, People's Republic of China
| | - Fei He
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Centre of Excellence for Plant and Microbial Science (CEPAMS), JIC-CAS, Beijing, 100101, China
| | - Zhijun Tong
- Key Laboratory of Tobacco Biotechnological Breeding, Yunnan Academy of Tobacco Agricultural Sciences, National Tobacco Genetic Engineering Research Centre, Kunming, 650021, China.
| | - Qiaoling Luo
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China.
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19
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Mascher M, Marone MP, Schreiber M, Stein N. Are cereal grasses a single genetic system? NATURE PLANTS 2024; 10:719-731. [PMID: 38605239 DOI: 10.1038/s41477-024-01674-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 03/17/2024] [Indexed: 04/13/2024]
Abstract
In 1993, a passionate and provocative call to arms urged cereal researchers to consider the taxon they study as a single genetic system and collaborate with each other. Since then, that group of scientists has seen their discipline blossom. In an attempt to understand what unity of genetic systems means and how the notion was borne out by later research, we survey the progress and prospects of cereal genomics: sequence assemblies, population-scale sequencing, resistance gene cloning and domestication genetics. Gene order may not be as extraordinarily well conserved in the grasses as once thought. Still, several recurring themes have emerged. The same ancestral molecular pathways defining plant architecture have been co-opted in the evolution of different cereal crops. Such genetic convergence as much as cross-fertilization of ideas between cereal geneticists has led to a rich harvest of genes that, it is hoped, will lead to improved varieties.
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Affiliation(s)
- Martin Mascher
- Leibniz Institute of Plant Genetics and Crop Plant Research, Gatersleben, Germany.
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany.
| | - Marina Püpke Marone
- Leibniz Institute of Plant Genetics and Crop Plant Research, Gatersleben, Germany
| | - Mona Schreiber
- University of Marburg, Department of Biology, Marburg, Germany
| | - Nils Stein
- Leibniz Institute of Plant Genetics and Crop Plant Research, Gatersleben, Germany.
- Martin Luther University Halle-Wittenberg, Halle (Saale), Germany.
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20
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Xu B, Shen T, Chen H, Li H, Rehman SU, Lyu S, Hua L, Wang G, Zhang C, Li K, Li H, Lan C, Chen GY, Hao M, Chen S. Mapping and characterization of rust resistance genes Lr53 and Yr35 introgressed from Aegilops species. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2024; 137:113. [PMID: 38678511 PMCID: PMC11056342 DOI: 10.1007/s00122-024-04616-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 04/04/2024] [Indexed: 05/01/2024]
Abstract
KEY MESSAGE The rust resistance genes Lr53 and Yr35 were introgressed into bread wheat from Aegilops longissima or Aegilops sharonensis or their S-genome containing species and mapped to the telomeric region of chromosome arm 6BS. Wheat leaf and stripe rusts are damaging fungal diseases of wheat worldwide. Breeding for resistance is a sustainable approach to control these two foliar diseases. In this study, we used SNP analysis, sequence comparisons, and cytogenetic assays to determine that the chromosomal segment carrying Lr53 and Yr35 was originated from Ae.longissima or Ae. sharonensis or their derived species. In seedling tests, Lr53 conferred strong resistance against all five Chinese Pt races tested, and Yr35 showed effectiveness against Pst race CYR34 but susceptibility to race CYR32. Using a large population (3892 recombinant gametes) derived from plants homozygous for the ph1b mutation obtained from the cross 98M71 × CSph1b, both Lr53 and Yr35 were successfully mapped to a 6.03-Mb telomeric region of chromosome arm 6BS in the Chinese Spring reference genome v1.1. Co-segregation between Lr53 and Yr35 was observed within this large mapping population. Within the candidate region, several nucleotide-binding leucine-rich repeat genes and protein kinases were identified as candidate genes. Marker pku6B3127 was completely linked to both genes and accurately predicted the absence or presence of alien segment harboring Lr53 and Yr35 in 87 tetraploid and 149 hexaploid wheat genotypes tested. We developed a line with a smaller alien segment (< 6.03 Mb) to reduce any potential linkage drag and demonstrated that it conferred resistance levels similar to those of the original donor parent 98M71. The newly developed introgression line and closely linked PCR markers will accelerate the deployment of Lr53 and Yr35 in wheat breeding programs.
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Affiliation(s)
- Binyang Xu
- National Key Laboratory of Wheat Improvement, Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agriculture Sciences in Weifang, Weifang, 261325, Shandong, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Tao Shen
- National Key Laboratory of Wheat Improvement, Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agriculture Sciences in Weifang, Weifang, 261325, Shandong, China
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100000, China
| | - Hong Chen
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Hongna Li
- National Key Laboratory of Wheat Improvement, Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agriculture Sciences in Weifang, Weifang, 261325, Shandong, China
| | - Shams Ur Rehman
- National Key Laboratory of Wheat Improvement, Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agriculture Sciences in Weifang, Weifang, 261325, Shandong, China
| | - Shikai Lyu
- National Key Laboratory of Wheat Improvement, Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agriculture Sciences in Weifang, Weifang, 261325, Shandong, China
| | - Lei Hua
- National Key Laboratory of Wheat Improvement, Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agriculture Sciences in Weifang, Weifang, 261325, Shandong, China
| | - Guiping Wang
- National Key Laboratory of Wheat Improvement, Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agriculture Sciences in Weifang, Weifang, 261325, Shandong, China
| | - Chaozhong Zhang
- Department of Plant Sciences, University of California, Davis, CA, 95616, USA
| | - Kairong Li
- National Key Laboratory of Wheat Improvement, Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agriculture Sciences in Weifang, Weifang, 261325, Shandong, China
| | - Hao Li
- State Key Laboratory of Crop Stress Adaptation and Improvement, College of Agriculture, Henan University, Kaifeng, 475004, China
| | - Caixia Lan
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070, China
| | - Guo-Yue Chen
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China.
| | - Ming Hao
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China.
| | - Shisheng Chen
- National Key Laboratory of Wheat Improvement, Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agriculture Sciences in Weifang, Weifang, 261325, Shandong, China.
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21
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Qiao L, Luo J, Wang H, Kong Y, Du T, Qin P, Yang B. Integrated genome-wide association and transcriptomic analysis to identify receptor kinase genes to stripe rust resistance in wheat germplasm from southwestern China. BMC PLANT BIOLOGY 2024; 24:319. [PMID: 38654176 DOI: 10.1186/s12870-024-05020-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Accepted: 04/15/2024] [Indexed: 04/25/2024]
Abstract
Stripe rust of wheat, caused by Puccinia striiformis f. sp. tritici (Pst), is one of the most important diseases of wheat worldwide. Identification of new and elite Pst-resistance loci or genes has the potential to enhance overall resistance to this pathogen. Here, we conducted an integrated genome-wide association study (GWAS) and transcriptomic analysis to screen for loci associated with resistance to stripe rust in 335 accessions from Yunnan, including 311 landraces and 24 cultivars. Based on the environmental phenotype, we identified 113 protein kinases significantly associated with Pst resistance using mixed linear model (MLM) and generalized linear model (GLM) models. Transcriptomic analysis revealed that 52 of 113 protein kinases identified by GWAS were up and down regulated in response to Pst infection. Among these genes, a total of 15 receptor kinase genes were identified associated with Pst resistance. 11 candidate genes were newly discovered in Yunnan wheat germplasm. Our results revealed that resistance alleles to stripe rust were accumulated in Yunnan wheat germplasm, implying direct or indirect selection for improving stripe rust resistance in elite wheat breeding programs.
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Affiliation(s)
- Liang Qiao
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
| | - Jianfei Luo
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
| | - Huiyutang Wang
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
| | - Yixi Kong
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
| | - Tingting Du
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
| | - Peng Qin
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
| | - Baoju Yang
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China.
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22
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Wang H, Chen Q, Feng W. The Emerging Role of 2OGDs as Candidate Targets for Engineering Crops with Broad-Spectrum Disease Resistance. PLANTS (BASEL, SWITZERLAND) 2024; 13:1129. [PMID: 38674537 PMCID: PMC11054871 DOI: 10.3390/plants13081129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 04/09/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024]
Abstract
Plant diseases caused by pathogens result in a marked decrease in crop yield and quality annually, greatly threatening food production and security worldwide. The creation and cultivation of disease-resistant cultivars is one of the most effective strategies to control plant diseases. Broad-spectrum resistance (BSR) is highly preferred by breeders because it confers plant resistance to diverse pathogen species or to multiple races or strains of one species. Recently, accumulating evidence has revealed the roles of 2-oxoglutarate (2OG)-dependent oxygenases (2OGDs) as essential regulators of plant disease resistance. Indeed, 2OGDs catalyze a large number of oxidative reactions, participating in the plant-specialized metabolism or biosynthesis of the major phytohormones and various secondary metabolites. Moreover, several 2OGD genes are characterized as negative regulators of plant defense responses, and the disruption of these genes via genome editing tools leads to enhanced BSR against pathogens in crops. Here, the recent advances in the isolation and identification of defense-related 2OGD genes in plants and their exploitation in crop improvement are comprehensively reviewed. Also, the strategies for the utilization of 2OGD genes as targets for engineering BSR crops are discussed.
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Affiliation(s)
- Han Wang
- School of Breeding and Multiplication, School of Tropical Agriculture and Forestry, Hainan University, Sanya 572025, China;
- College of Plant Protection, China Agricultural University, Beijing 100193, China
| | - Qinghe Chen
- School of Breeding and Multiplication, School of Tropical Agriculture and Forestry, Hainan University, Sanya 572025, China;
| | - Wanzhen Feng
- School of Breeding and Multiplication, School of Tropical Agriculture and Forestry, Hainan University, Sanya 572025, China;
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23
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Li M, Zhang H, Xiao H, Zhu K, Shi W, Zhang D, Wang Y, Yang L, Wu Q, Xie J, Chen Y, Qiu D, Guo G, Lu P, Li B, Dong L, Li W, Cui X, Li L, Tian X, Yuan C, Li Y, Yu D, Nevo E, Fahima T, Li H, Dong L, Zhao Y, Liu Z. A membrane associated tandem kinase from wild emmer wheat confers broad-spectrum resistance to powdery mildew. Nat Commun 2024; 15:3124. [PMID: 38600164 PMCID: PMC11006675 DOI: 10.1038/s41467-024-47497-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 04/04/2024] [Indexed: 04/12/2024] Open
Abstract
Crop wild relatives offer natural variations of disease resistance for crop improvement. Here, we report the isolation of broad-spectrum powdery mildew resistance gene Pm36, originated from wild emmer wheat, that encodes a tandem kinase with a transmembrane domain (WTK7-TM) through the combination of map-based cloning, PacBio SMRT long-read genome sequencing, mutagenesis, and transformation. Mutagenesis assay reveals that the two kinase domains and the transmembrane domain of WTK7-TM are critical for the powdery mildew resistance function. Consistently, in vitro phosphorylation assay shows that two kinase domains are indispensable for the kinase activity of WTK7-TM. Haplotype analysis uncovers that Pm36 is an orphan gene only present in a few wild emmer wheat, indicating its single ancient origin and potential contribution to the current wheat gene pool. Overall, our findings not only provide a powdery mildew resistance gene with great potential in wheat breeding but also sheds light into the mechanism underlying broad-spectrum resistance.
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Affiliation(s)
- Miaomiao Li
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China.
| | - Huaizhi Zhang
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
| | - Huixin Xiao
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
| | - Keyu Zhu
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Wenqi Shi
- Institute of Plant Protection and Soil Science, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Dong Zhang
- Beijing PlantTech Biotechnology Co., Ltd., Beijing, China
| | - Yong Wang
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Lijun Yang
- Institute of Plant Protection and Soil Science, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Qiuhong Wu
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
| | - Jingzhong Xie
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
| | - Yongxing Chen
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Dan Qiu
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
| | - Guanghao Guo
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
| | - Ping Lu
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
| | - Beibei Li
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Lei Dong
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Wenling Li
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Xuejia Cui
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Lingchuan Li
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Xiubin Tian
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
| | | | - Yiwen Li
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
| | - Dazhao Yu
- Institute of Plant Protection and Soil Science, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Eviatar Nevo
- Institute of Evolution, University of Haifa, Mt. Carmel, Haifa, Israel
| | - Tzion Fahima
- Institute of Evolution, University of Haifa, Mt. Carmel, Haifa, Israel
| | - Hongjie Li
- National Engineering Laboratory for Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Lingli Dong
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China.
| | - Yusheng Zhao
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China.
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China.
| | - Zhiyong Liu
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China.
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China.
- Hainan Seed Industry Laboratory, Sanya City, Hainan Province, China.
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24
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Zhou Y, Gu Y, Zhang X, Wang W, Li Q, Wang B. QTL Mapping of Adult Plant Resistance to Powdery Mildew in Chinese Wheat Landrace Baidatou. PLANT DISEASE 2024; 108:1062-1072. [PMID: 38640452 DOI: 10.1094/pdis-12-22-2894-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/21/2024]
Abstract
Wheat powdery mildew, caused by the biotrophic fungus Blumeria graminis f. sp. tritici (Bgt), is one of the most devastating diseases affecting wheat throughout the world. Breeding and growing resistant wheat cultivars is one of the most economic and effective methods to control the disease, and as such, identifying and mapping the new and effective resistance genes is critical. Baidatou, a Chinese wheat landrace, shows excellent field resistance to powdery mildew. To identify the resistance gene(s) in Baidatou, 170 F7:8 recombinant inbred lines (RILs) derived from the cross Mingxian 169/Baidatou were evaluated for powdery mildew response at the adult-plant stage in the experimental fields in Yangling (YL) of Shaanxi Province and Tianshui (TS) in Gansu Province in 2019, 2020, and 2021. The relative area under disease progress curve (rAUDPC) of Mingxian 169/Baidatou F7:8 RILs indicated that the resistance of Baidatou to powdery mildew was controlled by quantitative trait loci (QTLs). Based on bulk segregation analysis combined with the 660K single nucleotide polymorphism (SNP) array and genotyping by target sequencing (16K SNP) of the entire RIL population, two QTLs, QPmbdt.nwafu-2AS and QPmbdt.nwafu-3AS, were identified, and these accounted for up to 44.5% of the phenotypic variation. One of the QTLs was located on the 3.32 cM genetic interval on wheat chromosome 2AS between the kompetitive allele-specific PCR markers AX-111012288 and AX_174233809, and another was located on the 9.6 cM genetic interval on chromosome 3AS between the SNP markers 3A_684044820 and 3A_686681822. These markers could be useful for successful breeding of powdery mildew resistance in wheat.
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Affiliation(s)
- Yongchao Zhou
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Yudi Gu
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xiaomei Zhang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Wenli Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Qiang Li
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Baotong Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, China
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25
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Zhao Y, Han G, Qie Y, Song J, Zi Y, Xiao B, Wang J, Qian Z, Huang X, Liu R, Zhang J, Song L, Jin Y, Ma P. Characterization of the powdery mildew resistance locus in wheat breeding line Jimai 809 and its breeding application. MOLECULAR BREEDING : NEW STRATEGIES IN PLANT IMPROVEMENT 2024; 44:28. [PMID: 38545461 PMCID: PMC10963687 DOI: 10.1007/s11032-024-01467-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 03/15/2024] [Indexed: 04/24/2024]
Abstract
Powdery mildew, caused by Blumeria graminis f. sp. tritici (Bgt), is a severe disease that affects the yield and quality of wheat. Popularization of resistant cultivars in production is the preferred strategy to control this disease. In the present study, the Chinese wheat breeding line Jimai 809 showed excellent agronomic performance and high resistance to powdery mildew at the whole growth stage. To dissect the genetic basis for this resistance, Jimai 809 was crossed with the susceptible wheat cultivar Junda 159 to produce segregation populations. Genetic analysis showed that a single dominant gene, temporarily designated PmJM809, conferred the resistance to different Bgt isolates. PmJM809 was then mapped on the chromosome arm 2BL and flanked by the markers CISSR02g-1 and CIT02g-13 with genetic distances 0.4 and 0.8 cM, respectively, corresponding to a physical interval of 704.12-708.24 Mb. PmJM809 differed from the reported Pm genes on chromosome arm 2BL in origin, resistance spectrum, physical position and/or genetic diversity of the mapping interval, also suggesting PmJM809 was located on a complex interval with multiple resistance genes. To analyze and screen the candidate gene(s) of PmJM809, six genes related to disease resistance in the candidate interval were evaluated their expression patterns using an additional set of wheat samples and time-course analysis post-inoculation of the Bgt isolate E09. As a result, four genes were speculated as the key candidate or regulatory genes. Considering its comprehensive agronomic traits and resistance findings, PmJM809 was expected to be a valuable gene resource in wheat disease resistance breeding. To efficiently transfer PmJM809 into different genetic backgrounds, 13 of 19 closely linked markers were confirmed to be suitable for marker-assisted selection. Using these markers, a series of wheat breeding lines with harmonious disease resistance and agronomic performance were selected from the crosses of Jimai 809 and several susceptible cultivars. Supplementary Information The online version contains supplementary material available at 10.1007/s11032-024-01467-8.
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Affiliation(s)
- Ya Zhao
- Yantai Key Laboratory of Characteristic Agricultural Biological Resources Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005 China
| | - Guohao Han
- Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang, 050021 China
| | - Yanmin Qie
- Institute of Cereal and Oil Crops, Hebei Academy of Agricultural and Forestry Sciences, Hebei Laboratory of Crop Genetic and Breeding, Shijiazhuang, 050035 China
| | - Jianmin Song
- Crop Research Institute, Shandong Academy of Agricultural Sciences, Jinan, 250100 China
| | - Yan Zi
- Crop Research Institute, Shandong Academy of Agricultural Sciences, Jinan, 250100 China
| | - Bei Xiao
- Yantai Key Laboratory of Characteristic Agricultural Biological Resources Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005 China
| | - Jiaojiao Wang
- Yantai Key Laboratory of Characteristic Agricultural Biological Resources Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005 China
| | - Zejun Qian
- Yantai Key Laboratory of Characteristic Agricultural Biological Resources Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005 China
| | - Xiaomei Huang
- Yantai Key Laboratory of Characteristic Agricultural Biological Resources Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005 China
| | - Ruishan Liu
- Yantai Key Laboratory of Characteristic Agricultural Biological Resources Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005 China
| | - Jiadong Zhang
- Yantai Key Laboratory of Characteristic Agricultural Biological Resources Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005 China
| | - Lihong Song
- School of Life Sciences, Anhui Agricultural University, Hefei, 230036 China
| | - Yuli Jin
- Yantai Key Laboratory of Characteristic Agricultural Biological Resources Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005 China
| | - Pengtao Ma
- Yantai Key Laboratory of Characteristic Agricultural Biological Resources Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005 China
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26
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Pegler JL, Patrick JW, McDermott B, Brown A, Oultram JMJ, Grof CPL, Ward JM. Phaseolus vulgaris STP13.1 is an H +-coupled monosaccharide transporter, present in source leaves and seed coats, with higher substrate affinity at depolarized potentials. PLANT DIRECT 2024; 8:e585. [PMID: 38651017 PMCID: PMC11033725 DOI: 10.1002/pld3.585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 03/25/2024] [Accepted: 03/28/2024] [Indexed: 04/25/2024]
Abstract
Sugar transport proteins (STPs) are high-affinity H+-coupled hexose symporters. Recently, the contribution of STP13 to bacterial and fungal pathogen resistance across multiple plant species has garnered significant interest. Quantitative PCR analysis of source leaves, developing embryos, and seed coats of Phaseolus vulgaris L. (common bean) revealed that PvSTP13.1 was expressed in source leaves and seed coats throughout seed development. In contrast, PvSTP13.1 transcripts were detected at exceedingly low levels in developing embryos. To characterize the transport mechanism, PvSTP13.1 was expressed in Xenopus laevis oocytes, and inward-directed currents were analyzed using two-electrode voltage clamping. PvSTP13.1 was shown to function as an H+-coupled monosaccharide symporter exhibiting a unique high affinity for hexoses and aldopentoses at depolarized membrane potentials. Specifically, of the 31 assessed substrates, which included aldohexoses, deoxyhexoses, fructose, 3-O-methyl-D-glucose, aldopentoses, polyols, glycosides, disaccharides, trisaccharides, and glucuronic acid, PvSTP13.1 displayed the highest affinity (K 0.5) for glucose (43 μM), mannose (92 μM), galactose (145 μM), fructose (224 μM), xylose (1.0 mM), and fucose (3.7 mM) at pH 5.6 at a depolarized membrane potential of -40 mV. The results presented here suggest PvSTP13.1 contributes to retrieval of hexoses from the apoplasmic space in source leaves and coats of developing seeds.
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Affiliation(s)
- Joseph L. Pegler
- Centre for Plant Science, School of Environmental and Life Sciences, College of Engineering, Science and EnvironmentUniversity of NewcastleCallaghanNew South WalesAustralia
| | - John W. Patrick
- Centre for Plant Science, School of Environmental and Life Sciences, College of Engineering, Science and EnvironmentUniversity of NewcastleCallaghanNew South WalesAustralia
| | - Benjamin McDermott
- Centre for Plant Science, School of Environmental and Life Sciences, College of Engineering, Science and EnvironmentUniversity of NewcastleCallaghanNew South WalesAustralia
| | - Anthony Brown
- Centre for Plant Science, School of Environmental and Life Sciences, College of Engineering, Science and EnvironmentUniversity of NewcastleCallaghanNew South WalesAustralia
| | - Jackson M. J. Oultram
- Centre for Plant Science, School of Environmental and Life Sciences, College of Engineering, Science and EnvironmentUniversity of NewcastleCallaghanNew South WalesAustralia
| | - Christopher P. L. Grof
- Centre for Plant Science, School of Environmental and Life Sciences, College of Engineering, Science and EnvironmentUniversity of NewcastleCallaghanNew South WalesAustralia
| | - John M. Ward
- Plant and Microbial BiologyUniversity of Minnesota Twin CitiesSt. PaulMinnesotaUSA
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27
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Li H, Men W, Ma C, Liu Q, Dong Z, Tian X, Wang C, Liu C, Gill HS, Ma P, Zhang Z, Liu B, Zhao Y, Sehgal SK, Liu W. Wheat powdery mildew resistance gene Pm13 encodes a mixed lineage kinase domain-like protein. Nat Commun 2024; 15:2449. [PMID: 38503771 PMCID: PMC10951266 DOI: 10.1038/s41467-024-46814-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 03/11/2024] [Indexed: 03/21/2024] Open
Abstract
Wheat powdery mildew is one of the most destructive diseases threatening global wheat production. The wild relatives of wheat constitute rich sources of diversity for powdery mildew resistance. Here, we report the map-based cloning of the powdery mildew resistance gene Pm13 from the wild wheat species Aegilops longissima. Pm13 encodes a mixed lineage kinase domain-like (MLKL) protein that contains an N-terminal-domain of MLKL (MLKL_NTD) domain in its N-terminus and a C-terminal serine/threonine kinase (STK) domain. The resistance function of Pm13 is validated by mutagenesis, gene silencing, transgenic assay, and allelic association analyses. The development of introgression lines with significantly reduced chromosome segments of Ae. longissima encompassing Pm13 enables widespread deployment of this gene into wheat cultivars. The cloning of Pm13 may provide valuable insights into the molecular mechanisms underlying Pm13-mediated powdery mildew resistance and highlight the important roles of kinase fusion proteins (KFPs) in wheat immunity.
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Affiliation(s)
- Huanhuan Li
- The State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, PR China
| | - Wenqiang Men
- The State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, PR China
| | - Chao Ma
- The State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, PR China
| | - Qianwen Liu
- The State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, PR China
| | - Zhenjie Dong
- College of Agronomy, Nanjing Agricultural University, Nanjing, 210000, PR China
| | - Xiubin Tian
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, PR China
| | - Chaoli Wang
- The State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, PR China
| | - Cheng Liu
- Crop Research Institute, Shandong Academy of Agricultural Sciences, Jinan, 250000, PR China
| | - Harsimardeep S Gill
- Department of Agronomy, Horticulture and Plant Science, South Dakota State University, Brookings, SD, 57007, USA
| | - Pengtao Ma
- College of Life Sciences, Yantai University, Yantai, 264005, PR China
| | - Zhibin Zhang
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, PR China
| | - Bao Liu
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, PR China
| | - Yue Zhao
- The State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, PR China.
| | - Sunish K Sehgal
- Department of Agronomy, Horticulture and Plant Science, South Dakota State University, Brookings, SD, 57007, USA.
| | - Wenxuan Liu
- The State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002, PR China.
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28
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Berraies S, Ruan Y, Knox R, DePauw R, Bokore F, Cuthbert R, Blackwell B, Henriquez MA, Konkin D, Yu B, Pozniak C, Meyer B. Genetic mapping of deoxynivalenol and fusarium damaged kernel resistance in an adapted durum wheat population. BMC PLANT BIOLOGY 2024; 24:183. [PMID: 38475749 DOI: 10.1186/s12870-023-04708-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 12/26/2023] [Indexed: 03/14/2024]
Abstract
BACKGROUND Fusarium head blight (FHB) infection results in Fusarium damaged kernels (FDK) and deoxynivalenol (DON) contamination that are downgrading factors at the Canadian elevators. Durum wheat (Triticum turgidum L. var. durum Desf.) is particularly susceptible to FHB and most of the adapted Canadian durum wheat cultivars are susceptible to moderately susceptible to this disease. However, the durum line DT696 is less susceptible to FHB than commercially grown cultivars. Little is known about genetic variation for durum wheat ability to resist FDK infection and DON accumulation. This study was undertaken to map genetic loci conferring resistance to DON and FDK resistance using a SNP high-density genetic map of a DT707/DT696 DH population and to identify SNP markers useful in marker-assisted breeding. One hundred twenty lines were grown in corn spawn inoculated nurseries near Morden, MB in 2015, 2016 and 2017 and the harvested seeds were evaluated for DON. The genetic map of the population was used in quantitative trait locus analysis performed with MapQTL.6® software. RESULTS Four DON accumulation resistance QTL detected in two of the three years were identified on chromosomes 1 A, 5 A (2 loci) and 7 A and two FDK resistance QTL were identified on chromosomes 5 and 7 A in single environments. Although not declared significant due to marginal LOD values, the QTL for FDK on the 5 and 7 A were showing in other years suggesting their effects were real. DT696 contributed the favourable alleles for low DON and FDK on all the chromosomes. Although no resistance loci contributed by DT707, transgressive segregant lines were identified resulting in greater resistance than DT696. Breeder-friendly KASP markers were developed for two of the DON and FDK QTL detected on chromosomes 5 and 7 A. Markers flanking each QTL were physically mapped against the durum wheat reference sequence and candidate genes which might be involved in FDK and DON resistance were identified within the QTL intervals. CONCLUSIONS The DH lines harboring the desired resistance QTL will serve as useful resources in breeding for FDK and DON resistance in durum wheat. Furthermore, breeder-friendly KASP markers developed during this study will be useful for the selection of durum wheat varieties with low FDK and DON levels in durum wheat breeding programs.
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Affiliation(s)
- Samia Berraies
- Swift Current Research and Development Center, Agriculture and Agri-Food Canada, Swift Current, SK, S9H 3X2, Canada.
| | - Yuefeng Ruan
- Swift Current Research and Development Center, Agriculture and Agri-Food Canada, Swift Current, SK, S9H 3X2, Canada.
| | - Ron Knox
- Swift Current Research and Development Center, Agriculture and Agri-Food Canada, Swift Current, SK, S9H 3X2, Canada
| | - Ron DePauw
- Agriculture and Agri-Food Canada (Retired), Ottawa, Canada
- Advancing Wheat Technologies, Calgary, AB, T3H 1P3, Canada
| | - Firdissa Bokore
- Swift Current Research and Development Center, Agriculture and Agri-Food Canada, Swift Current, SK, S9H 3X2, Canada
| | - Richard Cuthbert
- Swift Current Research and Development Center, Agriculture and Agri-Food Canada, Swift Current, SK, S9H 3X2, Canada
| | - Barbara Blackwell
- Ottawa Research and Development Centre, Agriculture and Agri-Food Canada, Ottawa, ON, K1A 0C6, Canada
| | - Maria Antonia Henriquez
- Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, R6M 1Y5, Canada
| | - David Konkin
- National Research Council Canada, Aquatic and Crop Resource Development, Saskatoon, SK, S7N 0W9, Canada
| | - Bianyun Yu
- National Research Council Canada, Aquatic and Crop Resource Development, Saskatoon, SK, S7N 0W9, Canada
| | - Curtis Pozniak
- Crop Development Centre, Department of Plant Science, University of Saskatchewan, Saskatoon, SK, S7N 5A8, Canada
| | - Brad Meyer
- Swift Current Research and Development Center, Agriculture and Agri-Food Canada, Swift Current, SK, S9H 3X2, Canada
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29
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Edae EA, Kosgey Z, Bajgain P, Ndung'u KC, Gemechu A, Bhavani S, Anderson JA, Rouse MN. The genetics of Ug99 stem rust resistance in spring wheat variety 'Linkert'. FRONTIERS IN PLANT SCIENCE 2024; 15:1343148. [PMID: 38516672 PMCID: PMC10954791 DOI: 10.3389/fpls.2024.1343148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 02/12/2024] [Indexed: 03/23/2024]
Abstract
Wheat stem rust caused by Puccinia graminis f. sp. tritici (Pgt) threatens wheat production worldwide. The objective of this study was to characterize wheat stem rust resistance in 'Linkert', a variety with adult plant resistance effective to emerging wheat stem rust pathogen strain Ug99. Two doubled haploid (DH) populations and one recombinant inbred line (RIL) population were developed with 'Linkert' as a stem rust resistant parent. Hard red spring wheat variety 'Forefront' and genetic stock 'LMPG' were used as stem rust susceptible parents of the DH populations. Breeding line 'MN07098-6' was used as a susceptible parent of the RIL population. Both DH and RIL populations with their parents were evaluated both at the seedling stage and in the field against Pgt races. Genotyping data of the DH populations were generated using the wheat iSelect 90k SNP assay. The RIL population was genotyped by genotyping-by-sequencing. We found QTL consistently associated with wheat stem rust resistance on chromosome 2BS for the Linkert/Forefront DH population and the Linkert/MN07098-6 RIL population both in Ethiopia and Kenya. Additional reliable QTL were detected on chromosomes 5BL (125.91 cM) and 4AL (Sr7a) for the Linkert/LMPG population in Ethiopia and Kenya. Different QTL identified in the populations reflect the importance of examining the genetics of resistance in populations derived from adapted germplasm (Forefront and MN07098-6) in addition to a genetic stock (LMPG). The associated markers in this study could be used to track and select for the identified QTL in wheat breeding programs.
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Affiliation(s)
- Erena A. Edae
- Department of Plant Pathology, University of Minnesota, Saint Paul, MN, United States
| | - Zennah Kosgey
- Kenya Agricultural and Livestock Research Organization (KALRO), Food Crops Research Centre, Njoro, Kenya
| | - Prabin Bajgain
- Department of Agronomy and Plant Genetics, University of Minnesota, Saint Paul, MN, United States
| | - Kimani C. Ndung'u
- Kenya Agricultural and Livestock Research Organization (KALRO), Food Crops Research Centre, Njoro, Kenya
| | - Ashenafi Gemechu
- Ethiopian Institute of Agriculture, Debre Zeit Agricultural Research Center, Bishoftu, Ethiopia
| | - Sridhar Bhavani
- International Maize and Wheat Improvement Center (CIMMYT), Texcoco, Mexico
| | - James A. Anderson
- Department of Agronomy and Plant Genetics, University of Minnesota, Saint Paul, MN, United States
| | - Matthew N. Rouse
- Department of Plant Pathology, University of Minnesota, Saint Paul, MN, United States
- Cereal Disease Laboratory, United States Department of Agriculture-Agricultural Research Service, Saint Paul, MN, United States
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30
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Jacott CN, Schoonbeek HJ, Sidhu GS, Steuernagel B, Kirby R, Zheng X, von Tiedermann A, Macioszek VK, Kononowicz AK, Fell H, Fitt BDL, Mitrousia GK, Stotz HU, Ridout CJ, Wells R. Pathogen lifestyle determines host genetic signature of quantitative disease resistance loci in oilseed rape (Brassica napus). TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2024; 137:65. [PMID: 38430276 PMCID: PMC10908622 DOI: 10.1007/s00122-024-04569-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Accepted: 01/30/2024] [Indexed: 03/03/2024]
Abstract
KEY MESSAGE Using associative transcriptomics, our study identifies genes conferring resistance to four diverse fungal pathogens in crops, emphasizing key genetic determinants of multi-pathogen resistance. Crops are affected by several pathogens, but these are rarely studied in parallel to identify common and unique genetic factors controlling diseases. Broad-spectrum quantitative disease resistance (QDR) is desirable for crop breeding as it confers resistance to several pathogen species. Here, we use associative transcriptomics (AT) to identify candidate gene loci associated with Brassica napus constitutive QDR to four contrasting fungal pathogens: Alternaria brassicicola, Botrytis cinerea, Pyrenopeziza brassicae, and Verticillium longisporum. We did not identify any shared loci associated with broad-spectrum QDR to fungal pathogens with contrasting lifestyles. Instead, we observed QDR dependent on the lifestyle of the pathogen-hemibiotrophic and necrotrophic pathogens had distinct QDR responses and associated loci, including some loci associated with early immunity. Furthermore, we identify a genomic deletion associated with resistance to V. longisporum and potentially broad-spectrum QDR. This is the first time AT has been used for several pathosystems simultaneously to identify host genetic loci involved in broad-spectrum QDR. We highlight constitutive expressed candidate loci for broad-spectrum QDR with no antagonistic effects on susceptibility to the other pathogens studies as candidates for crop breeding. In conclusion, this study represents an advancement in our understanding of broad-spectrum QDR in B. napus and is a significant resource for the scientific community.
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Affiliation(s)
- Catherine N Jacott
- Crop Genetics Department, John Innes Centre, Norwich Research Park, Norwich, NR4 7UH, UK
| | - Henk-Jan Schoonbeek
- Crop Genetics Department, John Innes Centre, Norwich Research Park, Norwich, NR4 7UH, UK
| | - Gurpinder Singh Sidhu
- Computational and Systems Biology Department, John Innes Centre, Norwich Research Park, Norwich, NR4 7UH, UK
| | - Burkhard Steuernagel
- Computational and Systems Biology Department, John Innes Centre, Norwich Research Park, Norwich, NR4 7UH, UK
| | - Rachel Kirby
- Crop Genetics Department, John Innes Centre, Norwich Research Park, Norwich, NR4 7UH, UK
| | - Xiaorong Zheng
- Department of Crop Sciences, Georg August University, 37077, Göttingen, Germany
| | | | - Violetta K Macioszek
- Department of Biology and Plant Ecology, Faculty of Biology, University of Bialystok, 15-245, Białystok, Poland
| | - Andrzej K Kononowicz
- Department of Plant Ecophysiology, Faculty of Biology and Environmental Protection, University of Lodz, 90-237, Lodz, Poland
| | - Heather Fell
- Centre for Agriculture, Food and Environmental Management Research, School of Life and Medical Sciences, University of Hertfordshire, Hatfield, Hertfordshire, AL10 9AB, UK
| | - Bruce D L Fitt
- Centre for Agriculture, Food and Environmental Management Research, School of Life and Medical Sciences, University of Hertfordshire, Hatfield, Hertfordshire, AL10 9AB, UK
| | - Georgia K Mitrousia
- Centre for Agriculture, Food and Environmental Management Research, School of Life and Medical Sciences, University of Hertfordshire, Hatfield, Hertfordshire, AL10 9AB, UK
- Rothamsted Research, Harpenden, Hertfordshire, AL5 2JQ, UK
| | - Henrik U Stotz
- Centre for Agriculture, Food and Environmental Management Research, School of Life and Medical Sciences, University of Hertfordshire, Hatfield, Hertfordshire, AL10 9AB, UK
| | - Christopher J Ridout
- Crop Genetics Department, John Innes Centre, Norwich Research Park, Norwich, NR4 7UH, UK
| | - Rachel Wells
- Crop Genetics Department, John Innes Centre, Norwich Research Park, Norwich, NR4 7UH, UK.
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31
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Davoudnia B, Dadkhodaie A, Moghadam A, Heidari B, Yassaie M. Transcriptome analysis in Aegilops tauschii unravels further insights into genetic control of stripe rust resistance. PLANTA 2024; 259:70. [PMID: 38345645 DOI: 10.1007/s00425-024-04347-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 01/14/2024] [Indexed: 02/15/2024]
Abstract
MAIN CONCLUSION The Aegilops tauschii resistant accession prevented the pathogen colonization by controlling the sugar flow and triggering the hypersensitive reaction. This study suggested that NBS-LRRs probably induce resistance through bHLH by controlling JA- and SA-dependent pathways. Stripe rust, caused by Puccinia striiformis f. sp. tritici (Pst) is one of wheat's most destructive fungal diseases that causes a severe yield reduction worldwide. The most effective and economically-friendly strategy to manage this disease is genetic resistance which can be achieved through deploying new and effective resistance genes. Aegilops tauschii, due to its small genome and co-evolution with Pst, can provide detailed information about underlying resistance mechanisms. Hence, we used RNA-sequencing approach to identify the transcriptome variations of two contrasting resistant and susceptible Ae. tauschii accessions in interaction with Pst and differentially expressed genes (DEGs) for resistance to stripe rust. Gene ontology, pathway analysis, and search for functional domains, transcription regulators, resistance genes, and protein-protein interactions were used to interpret the results. The genes encoding NBS-LRR, CC-NBS-kinase, and phenylalanine ammonia-lyase, basic helix-loop-helix (bHLH)-, basic-leucine zipper (bZIP)-, APETALA2 (AP2)-, auxin response factor (ARF)-, GATA-, and LSD-like transcription factors were up-regulated exclusively in the resistant accession. The key genes involved in response to salicylic acid, amino sugar and nucleotide sugar metabolism, and hypersensitive response contributed to plant defense against stripe rust. The activation of jasmonic acid biosynthesis and starch and sucrose metabolism pathways under Pst infection in the susceptible accession explained the colonization of the host. Overall, this study can fill the gaps in the literature on host-pathogen interaction and enrich the Ae. tauschii transcriptome sequence information. It also suggests candidate genes that could guide future breeding programs attempting to develop rust-resistant cultivars.
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Affiliation(s)
- Behnam Davoudnia
- Department of Plant Production and Genetics, School of Agriculture, Shiraz University, Shiraz, 71441-65186, Iran
| | - Ali Dadkhodaie
- Department of Plant Production and Genetics, School of Agriculture, Shiraz University, Shiraz, 71441-65186, Iran.
| | - Ali Moghadam
- Institute of Biotechnology, School of Agriculture, Shiraz University, Shiraz, Iran
| | - Bahram Heidari
- Department of Plant Production and Genetics, School of Agriculture, Shiraz University, Shiraz, 71441-65186, Iran
| | - Mohsen Yassaie
- Seed and Plant Improvement Research Department, Fars Agricultural and Natural Resources Research and Education Center, AREEO, Shiraz, Iran
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Qiao L, Gao X, Jia Z, Liu X, Wang H, Kong Y, Qin P, Yang B. Identification of adult resistant genes to stripe rust in wheat from southwestern China based on GWAS and WGCNA analysis. PLANT CELL REPORTS 2024; 43:67. [PMID: 38341832 DOI: 10.1007/s00299-024-03148-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 01/02/2024] [Indexed: 02/13/2024]
Abstract
KEY MESSAGE In this study, genome-wide association studies combined with transcriptome data analysis were utilized to reveal potential candidate genes for stripe rust resistance in wheat, providing a basis for screening wheat varieties for stripe rust resistance. Wheat stripe rust, which is caused by the wheat stripe rust fungus (Puccinia striiformis f. sp. tritici, Pst) is one of the world's most devastating diseases of wheat. Genetic resistance is the most effective strategy for controlling diseases. Although wheat stripe rust resistance genes have been identified to date, only a few of them confer strong and broad-spectrum resistance. Here, the resistance of 335 wheat germplasm resources (mainly wheat landraces) from southwestern China to wheat stripe rust was evaluated at the adult stage. Combined genome-wide association study (GWAS) and weighted gene co-expression network analysis (WGCNA) based on RNA sequencing from stripe rust resistant accession Y0337 and susceptible accession Y0402, five candidate resistance genes to wheat stripe rust (TraesCS1B02G170200, TraesCS2D02G181000, TraesCS4B02G117200, TraesCS6A02G189300, and TraesCS3A02G122300) were identified. The transcription level analyses showed that these five genes were significantly differentially expressed between resistant and susceptible accessions post inoculation with Pst at different times. These candidate genes could be experimentally transformed to validate and manipulate fungal resistance, which is beneficial for the development of the wheat cultivars resistant to stripe rust.
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Affiliation(s)
- Liang Qiao
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
| | - Xue Gao
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
| | - Zhiqiang Jia
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
| | - Xingchen Liu
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
| | - Huiyutang Wang
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
| | - Yixi Kong
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
| | - Peng Qin
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China
| | - Baoju Yang
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, 650201, China.
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Lu Y, Burton IW, Ashe P, St-Jacques AD, Rajagopalan N, Monteil-Rivera F, Loewen MC. Characterization of a partially saturated and glycosylated apocarotenoid from wheat that is depleted upon leaf rust infection. Gene 2024; 893:147927. [PMID: 38374023 DOI: 10.1016/j.gene.2023.147927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 02/21/2024]
Abstract
Recent semi-targeted metabolomics studies have highlighted a number of metabolites in wheat that associate with leaf rust resistance genes and/or rust infection. Here, we report the structural characterization of a novel glycosylated and partially saturated apocarotenoid, reminiscent of a reduced form of mycorradicin, (6E,8E,10E)-4,9-dimethyl-12-oxo-12-((3,4,5-trihydroxy-6-(2-hydroxyethoxy)tetrahydro-2H-pyran-2-yl)methoxy)-3-((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)dodeca-6,8,10-trienoic acid, isolated from Triticum aestivum L. (Poaceae) variety 'Thatcher' (Tc) flag leaves. While its accumulation was not associated with any of Lr34, Lr67 or Lr22a resistance genes, infection of Tc with leaf rust was found to deplete it, consistent with the idea of this metabolite being a glycosylated-storage form of an apocarotenoid of possible relevance to plant defense. A comparative analysis of wheat transcriptomic changes shows modulation of terpenoid, carotenoid, UDP-glycosyltransferase and glycosylase -related gene expression profiles, consistent with anticipated biosynthesis and degradation mechanisms. However, details of the exact nature of the relevant pathways remain to be validated in the future. Together these findings highlight another example of the breadth of unique metabolites underlying plant host-fungal pathogen interactions.
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Affiliation(s)
- Yuping Lu
- Aquatic and Crop Resources Development Research Centre, National Research Council of Canada, 110 Gymnasium Place, Saskatoon, SK S7N 0W9, Canada.
| | - Ian W Burton
- Aquatic and Crop Resources Development Research Centre, National Research Council of Canada, 1411 Oxford St., Halifax, NS B3H 3Z1, Canada.
| | - Paula Ashe
- Aquatic and Crop Resources Development Research Centre, National Research Council of Canada, 110 Gymnasium Place, Saskatoon, SK S7N 0W9, Canada.
| | - Antony D St-Jacques
- Aquatic and Crop Resources Development Research Centre, National Research Council of Canada, 100 Sussex Drive, Ottawa, ON K1A 0R6, Canada.
| | - Nandhakishore Rajagopalan
- Aquatic and Crop Resources Development Research Centre, National Research Council of Canada, 110 Gymnasium Place, Saskatoon, SK S7N 0W9, Canada; Department of Chemical and Biological Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, SK S7N 5A9, Canada
| | - Fanny Monteil-Rivera
- Aquatic and Crop Resources Development Research Centre, National Research Council of Canada, 6100 Royalmount Avenue, Montreal, QC H4P 2R2, Canada.
| | - Michele C Loewen
- Aquatic and Crop Resources Development Research Centre, National Research Council of Canada, 100 Sussex Drive, Ottawa, ON K1A 0R6, Canada.
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Zhi P, Gao R, Chen W, Chang C. Wheat Transcriptional Corepressor TaTPR1 Suppresses Susceptibility Genes TaDND1/2 and Potentiates Post-Penetration Resistance against Blumeria graminis forma specialis tritici. Int J Mol Sci 2024; 25:1695. [PMID: 38338970 PMCID: PMC10855895 DOI: 10.3390/ijms25031695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 01/22/2024] [Accepted: 01/27/2024] [Indexed: 02/12/2024] Open
Abstract
The obligate biotrophic fungal pathogen Blumeria graminis forma specialis tritici (B.g. tritici) is the causal agent of wheat powdery mildew disease. The TOPLESS-related 1 (TPR1) corepressor regulates plant immunity, but its role in regulating wheat resistance against powdery mildew remains to be disclosed. Herein, TaTPR1 was identified as a positive regulator of wheat post-penetration resistance against powdery mildew disease. The transient overexpression of TaTPR1.1 or TaTPR1.2 confers wheat post-penetration resistance powdery mildew, while the silencing of TaTPR1.1 and TaTPR1.2 results in an enhanced wheat susceptibility to B.g. tritici. Furthermore, Defense no Death 1 (TaDND1) and Defense no Death 2 (TaDND2) were identified as wheat susceptibility (S) genes facilitating a B.g. tritici infection. The overexpression of TaDND1 and TaDND2 leads to an enhanced wheat susceptibility to B.g. tritici, while the silencing of wheat TaDND1 and TaDND2 leads to a compromised susceptibility to powdery mildew. In addition, we demonstrated that the expression of TaDND1 and TaDND2 is negatively regulated by the wheat transcriptional corepressor TaTPR1. Collectively, these results implicate that TaTPR1 positively regulates wheat post-penetration resistance against powdery mildew probably via suppressing the S genes TaDND1 and TaDND2.
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Affiliation(s)
| | | | | | - Cheng Chang
- College of Life Sciences, Qingdao University, Qingdao 266071, China
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Wang J, Xu H, Qie Y, Han R, Sun X, Zhao Y, Xiao B, Qian Z, Huang X, Liu R, Zhang J, Liu C, Jin Y, Ma P. Evaluation and identification of powdery mildew-resistant genes in 137 wheat relatives. Front Genet 2024; 15:1342239. [PMID: 38327832 PMCID: PMC10847533 DOI: 10.3389/fgene.2024.1342239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 01/02/2024] [Indexed: 02/09/2024] Open
Abstract
Powdery mildew is one of the most severe diseases affecting wheat yield and quality and is caused by Blumeria graminis f. sp. tritici (Bgt). Host resistance is the preferred strategy to prevent this disease. However, the narrow genetic basis of common wheat has increased the demand for diversified germplasm resources against powdery mildew. Wheat relatives, especially the secondary gene pool of common wheat, are important gene donors in the genetic improvement of common wheat because of its abundant genetic variation and close kinship with wheat. In this study, a series of 137 wheat relatives, including 53 Triticum monococcum L. (2n = 2x = 14, AA), 6 T. urartu Thumanjan ex Gandilyan (2n = 2x = 14, AA), 9 T. timopheevii Zhuk. (2n = 4x = 28, AAGG), 66 T. aestivum subsp. spelta (2n = 6x = 42, AABBDD), and 3 Aegilops speltoides (2n = 2x = 14, SS) were systematically evaluated for their powdery mildew resistance and composition of Pm genes. Out of 137 (60.58%) accessions, 83 were resistant to Bgt isolate E09 at the seedling stage, and 116 of 137 (84.67%) wheat relatives were resistant to the mixture of Bgt isolates at the adult stage. This indicates that these accessions show a high level of resistance to powdery mildew. Some 31 markers for 23 known Pm genes were used to test these 137 accessions, and, in the results, only Pm2, Pm4, Pm6, Pm58, and Pm68 were detected. Among them, three Pm4 alleles (Pm4a, Pm4b, and Pm4f) were identified in 4 T. subsp. spelta accessions. q-RT PCR further confirmed that Pm4 alleles played a role in disease resistance in these four accessions. The phylogenetic tree showed that the kinship of Pm4 was close to Pm24 and Sr62. This study not only provides reference information and valuable germplasm resources for breeding new wheat varieties with disease resistance but also lays a foundation for enriching the genetic basis of wheat resistance to powdery mildew.
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Affiliation(s)
- Jiaojiao Wang
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Hongxing Xu
- School of Life Sciences, Henan University, Kaifeng, Henan, China
| | - Yanmin Qie
- Institute of Cereal and Oil Crops, Hebei Academy of Agricultural and Forestry Sciences, Hebei Key Laboratory of Crop Genetics and Breeding, Shijiazhuang, China
| | - Ran Han
- Crop Research Institute, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Xiaohui Sun
- Institute of Grain and Oil Crops, Yantai Academy of Agricultural Science, Yantai, China
| | - Ya Zhao
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Bei Xiao
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Zejun Qian
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Xiaomei Huang
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Ruishan Liu
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Jiadong Zhang
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Cheng Liu
- Crop Research Institute, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Yuli Jin
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
| | - Pengtao Ma
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, China
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Lin M, Islamov B, Aleliūnas A, Armonienė R, Gorash A, Meigas E, Ingver A, Tamm I, Kollist H, Strazdiņa V, Bleidere M, Brazauskas G, Lillemo M. Genome-wide association analysis identifies a consistent QTL for powdery mildew resistance on chromosome 3A in Nordic and Baltic spring wheat. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2024; 137:25. [PMID: 38240841 PMCID: PMC10799116 DOI: 10.1007/s00122-023-04529-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 12/14/2023] [Indexed: 01/22/2024]
Abstract
KEY MESSAGE QPm.NOBAL-3A is an important QTL providing robust adult plant powdery mildew resistance in Nordic and Baltic spring wheat, aiding sustainable crop protection and breeding. Powdery mildew, caused by the biotrophic fungal pathogen Blumeria graminis f. sp. tritici, poses a significant threat to bread wheat (Triticum aestivum L.), one of the world's most crucial cereal crops. Enhancing cultivar resistance against this devastating disease requires a comprehensive understanding of the genetic basis of powdery mildew resistance. In this study, we performed a genome-wide association study (GWAS) using extensive field trial data from multiple environments across Estonia, Latvia, Lithuania, and Norway. The study involved a diverse panel of recent wheat cultivars and breeding lines sourced from the Baltic region and Norway. We identified a major quantitative trait locus (QTL) on chromosome 3A, designated as QPm.NOBAL-3A, which consistently conferred high resistance to powdery mildew across various environments and countries. Furthermore, the consistency of the QTL haplotype effect was validated using an independent Norwegian spring wheat panel. Subsequent greenhouse seedling inoculations with 15 representative powdery mildew isolates on a subset of the GWAS panel indicated that this QTL provides adult plant resistance and is likely of race non-specific nature. Moreover, we developed and validated KASP markers for QPm.NOBAL-3A tailored for use in breeding. These findings provide a critical foundation for marker-assisted selection in breeding programs aimed at pyramiding resistance QTL/genes to achieve durable and broad-spectrum resistance against powdery mildew.
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Affiliation(s)
- Min Lin
- Department of Plant Sciences, Norwegian University of Life Sciences, Post Box 5003, NO-1432, ÅS, Norway
| | - Bulat Islamov
- Centre of Estonian Rural Research and Knowledge, J. Aamisepa 1, Jõgeva Alevik, 48309, Jõgeva Maakond, Estonia
| | - Andrius Aleliūnas
- Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, 58344, Akademija, Lithuania
| | - Rita Armonienė
- Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, 58344, Akademija, Lithuania
| | - Andrii Gorash
- Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, 58344, Akademija, Lithuania
| | - Egon Meigas
- Institute of Bioengineering, University of Tartu, Nooruse 1, 50411, Tartu, Estonia
| | - Anne Ingver
- Centre of Estonian Rural Research and Knowledge, J. Aamisepa 1, Jõgeva Alevik, 48309, Jõgeva Maakond, Estonia
| | - Ilmar Tamm
- Centre of Estonian Rural Research and Knowledge, J. Aamisepa 1, Jõgeva Alevik, 48309, Jõgeva Maakond, Estonia
| | - Hannes Kollist
- Institute of Bioengineering, University of Tartu, Nooruse 1, 50411, Tartu, Estonia
| | - Vija Strazdiņa
- Institute of Agricultural Resources and Economics, Zinatnes Iela 2, Cesis County, 4126, Latvia
| | - Māra Bleidere
- Institute of Agricultural Resources and Economics, Zinatnes Iela 2, Cesis County, 4126, Latvia
| | - Gintaras Brazauskas
- Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, 58344, Akademija, Lithuania
| | - Morten Lillemo
- Department of Plant Sciences, Norwegian University of Life Sciences, Post Box 5003, NO-1432, ÅS, Norway.
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Lu C, Du J, Chen H, Gong S, Jin Y, Meng X, Zhang T, Fu B, Molnár I, Holušová K, Said M, Xing L, Kong L, Doležel J, Li G, Wu J, Chen P, Cao A, Zhang R. Wheat Pm55 alleles exhibit distinct interactions with an inhibitor to cause different powdery mildew resistance. Nat Commun 2024; 15:503. [PMID: 38218848 PMCID: PMC10787760 DOI: 10.1038/s41467-024-44796-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 01/05/2024] [Indexed: 01/15/2024] Open
Abstract
Powdery mildew poses a significant threat to wheat crops worldwide, emphasizing the need for durable disease control strategies. The wheat-Dasypyrum villosum T5AL·5 V#4 S and T5DL·5 V#4 S translocation lines carrying powdery mildew resistant gene Pm55 shows developmental-stage and tissue-specific resistance, whereas T5DL·5 V#5 S line carrying Pm5V confers resistance at all stages. Here, we clone Pm55 and Pm5V, and reveal that they are allelic and renamed as Pm55a and Pm55b, respectively. The two Pm55 alleles encode coiled-coil, nucleotide-binding site-leucine-rich repeat (CNL) proteins, conferring broad-spectrum resistance to powdery mildew. However, they interact differently with a linked inhibitor gene, SuPm55 to cause different resistance to wheat powdery mildew. Notably, Pm55 and SuPm55 encode unrelated CNL proteins, and the inactivation of SuPm55 significantly reduces plant fitness. Combining SuPm55/Pm55a and Pm55b in wheat does not result in allele suppression or yield penalty. Our results provide not only insights into the suppression of resistance in wheat, but also a strategy for breeding durable resistance.
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Affiliation(s)
- Chuntian Lu
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application /JCIC-MCP, Nanjing, 210095, P.R. China
- Zhongshan Biological Breeding Laboratory, No.50 Zhongling Street, Nanjing, Jiangsu, 210014, China
| | - Jie Du
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application /JCIC-MCP, Nanjing, 210095, P.R. China
- Zhongshan Biological Breeding Laboratory, No.50 Zhongling Street, Nanjing, Jiangsu, 210014, China
| | - Heyu Chen
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application /JCIC-MCP, Nanjing, 210095, P.R. China
- Zhongshan Biological Breeding Laboratory, No.50 Zhongling Street, Nanjing, Jiangsu, 210014, China
| | - Shuangjun Gong
- Institute of Plant Protection and Soil Science, Hubei Academy of Agricultural Sciences, Wuhan, 430064, P.R. China
| | - Yinyu Jin
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application /JCIC-MCP, Nanjing, 210095, P.R. China
- Zhongshan Biological Breeding Laboratory, No.50 Zhongling Street, Nanjing, Jiangsu, 210014, China
| | - Xiangru Meng
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application /JCIC-MCP, Nanjing, 210095, P.R. China
- Zhongshan Biological Breeding Laboratory, No.50 Zhongling Street, Nanjing, Jiangsu, 210014, China
| | - Ting Zhang
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application /JCIC-MCP, Nanjing, 210095, P.R. China
- Zhongshan Biological Breeding Laboratory, No.50 Zhongling Street, Nanjing, Jiangsu, 210014, China
| | - Bisheng Fu
- Zhongshan Biological Breeding Laboratory, No.50 Zhongling Street, Nanjing, Jiangsu, 210014, China
- Institute of Germplasm Resources and Biotechnology/Jiangsu Provincial Key Laboratory of Agrobiology, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, P.R. China
| | - István Molnár
- Agricultural Institute, Centre for Agricultural Research, Eötvös Loránd Research Network (ELKH), 2462, Martonvásár, Hungary
- Institute of Experimental Botany of the Czech Academy of Sciences, Centre of Plant Structural and Functional Genomics, Šlechtitelů 31, CZ, 77900, Olomouc, Czech Republic
| | - Kateřina Holušová
- Institute of Experimental Botany of the Czech Academy of Sciences, Centre of Plant Structural and Functional Genomics, Šlechtitelů 31, CZ, 77900, Olomouc, Czech Republic
| | - Mahmoud Said
- Institute of Experimental Botany of the Czech Academy of Sciences, Centre of Plant Structural and Functional Genomics, Šlechtitelů 31, CZ, 77900, Olomouc, Czech Republic
- Field Crops Research Institute, Agricultural Research Centre, 9 Gamma Street, 12619, Giza, Cairo, Egypt
| | - Liping Xing
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application /JCIC-MCP, Nanjing, 210095, P.R. China
- Zhongshan Biological Breeding Laboratory, No.50 Zhongling Street, Nanjing, Jiangsu, 210014, China
| | - Lingna Kong
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application /JCIC-MCP, Nanjing, 210095, P.R. China
| | - Jaroslav Doležel
- Institute of Experimental Botany of the Czech Academy of Sciences, Centre of Plant Structural and Functional Genomics, Šlechtitelů 31, CZ, 77900, Olomouc, Czech Republic
| | - Genying Li
- Crop Research Institute, Shandong Academy of Agricultural Sciences, Jinan, 250100, P.R. China
| | - Jizhong Wu
- Zhongshan Biological Breeding Laboratory, No.50 Zhongling Street, Nanjing, Jiangsu, 210014, China
- Institute of Germplasm Resources and Biotechnology/Jiangsu Provincial Key Laboratory of Agrobiology, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, P.R. China
| | - Peidu Chen
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application /JCIC-MCP, Nanjing, 210095, P.R. China
| | - Aizhong Cao
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application /JCIC-MCP, Nanjing, 210095, P.R. China
- Zhongshan Biological Breeding Laboratory, No.50 Zhongling Street, Nanjing, Jiangsu, 210014, China
| | - Ruiqi Zhang
- College of Agronomy of Nanjing Agricultural University/State Key Laboratory of Crop Genetics & Germplasm Enhancement and Application /JCIC-MCP, Nanjing, 210095, P.R. China.
- Zhongshan Biological Breeding Laboratory, No.50 Zhongling Street, Nanjing, Jiangsu, 210014, China.
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Kenzhebayeva S, Mazkirat S, Shoinbekova S, Atabayeva S, Abekova A, Omirbekova N, Doktyrbay G, Asrandina S, Zharassova D, Amirova A, Serfling A. Phenotyping and Exploitation of Kompetitive Allele-Specific PCR Assays for Genes Underpinning Leaf Rust Resistance in New Spring Wheat Mutant Lines. Curr Issues Mol Biol 2024; 46:689-709. [PMID: 38248347 PMCID: PMC10814123 DOI: 10.3390/cimb46010045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/03/2024] [Accepted: 01/05/2024] [Indexed: 01/23/2024] Open
Abstract
Leaf rust (Puccinia triticina Eriks) is a wheat disease causing substantial yield losses in wheat production globally. The identification of genetic resources with permanently effective resistance genes and the generation of mutant lines showing increased levels of resistance allow the efficient incorporation of these target genes into germplasm pools by marker-assisted breeding. In this study, new mutant (M3 generation) lines generated from the rust-resistant variety Kazakhstanskaya-19 were developed using gamma-induced mutagenesis through 300-, 350-, and 400-Gy doses. In field trials after leaf rust inoculation, 75 mutant lines showed adult plant resistance. These lines were evaluated for resistance at the seedling stage via microscopy in greenhouse experiments. Most of these lines (89.33%) were characterized as resistant at both developmental stages. Hyperspectral imaging analysis indicated that infected leaves of wheat genotypes showed increased relative reflectance in visible and near-infrared light compared to the non-infected genotypes, with peak means at 462 and 644 nm, and 1936 and 2392 nm, respectively. Five spectral indexes, including red edge normalized difference vegetation index (RNDVI), structure-insensitive pigment index (SIPI), ratio vegetation index (RVSI), water index (WI), and normalized difference water index (NDWI), demonstrated significant potential for determining disease severity at the seedling stage. The most significant differences in reflectance between susceptible and resistant mutant lines appeared at 694.57 and 987.51 nm. The mutant lines developed were also used for the development and validation of KASP markers for leaf rust resistance genes Lr1, Lr2a, Lr3, Lr9, Lr10, and Lr17. The mutant lines had high frequencies of "a" resistance alleles (0.88) in all six Lr genes, which were significantly associated with seedling resistance and suggest the potential of favorable haplotype introgression through functional markers. Nine mutant lines characterized by the presence of "b" alleles in Lr9 and Lr10-except for one line with allele "a" in Lr9 and three mutant lines with allele "a" in Lr10-showed the progressive development of fungal haustorial mother cells 72 h after inoculation. One line from 300-Gy-dosed mutant germplasm with "b" alleles in Lr1, Lr2a, Lr10, and Lr17 and "a" alleles in Lr3 and Lr9 was characterized as resistant based on the low number of haustorial mother cells, suggesting the contribution of the "a" alleles of Lr3 and Lr9.
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Affiliation(s)
- Saule Kenzhebayeva
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan; (S.S.); (S.A.); (N.O.); (G.D.); (S.A.); (A.A.)
| | - Shynarbek Mazkirat
- Kazakh Research Institute of Agriculture and Plant Growing, Almaty Region, Almalybak 040909, Kazakhstan; (S.M.); (A.A.)
| | - Sabina Shoinbekova
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan; (S.S.); (S.A.); (N.O.); (G.D.); (S.A.); (A.A.)
| | - Saule Atabayeva
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan; (S.S.); (S.A.); (N.O.); (G.D.); (S.A.); (A.A.)
| | - Alfia Abekova
- Kazakh Research Institute of Agriculture and Plant Growing, Almaty Region, Almalybak 040909, Kazakhstan; (S.M.); (A.A.)
| | - Nargul Omirbekova
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan; (S.S.); (S.A.); (N.O.); (G.D.); (S.A.); (A.A.)
| | - Gulina Doktyrbay
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan; (S.S.); (S.A.); (N.O.); (G.D.); (S.A.); (A.A.)
| | - Saltant Asrandina
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan; (S.S.); (S.A.); (N.O.); (G.D.); (S.A.); (A.A.)
| | - Dinara Zharassova
- Mangyshlak Experimental Botanical Garden, Ministry of Science and Higher Education of the Republic of Kazakhstan, Aktau R00A3E0, Kazakhstan;
| | - Aigul Amirova
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan; (S.S.); (S.A.); (N.O.); (G.D.); (S.A.); (A.A.)
| | - Albrecht Serfling
- Institute for Resistance Research and Stress Tolerance, Julius Kuehn-Institute (JKI) Federal Research Centre for Cultivated Plants, 06484 Quedlinburg, Germany;
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Li Y, Wei ZZ, Sela H, Govta L, Klymiuk V, Roychowdhury R, Chawla HS, Ens J, Wiebe K, Bocharova V, Ben-David R, Pawar PB, Zhang Y, Jaiwar S, Molnár I, Doležel J, Coaker G, Pozniak CJ, Fahima T. Dissection of a rapidly evolving wheat resistance gene cluster by long-read genome sequencing accelerated the cloning of Pm69. PLANT COMMUNICATIONS 2024; 5:100646. [PMID: 37415333 PMCID: PMC10811346 DOI: 10.1016/j.xplc.2023.100646] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 05/10/2023] [Accepted: 07/04/2023] [Indexed: 07/08/2023]
Abstract
Gene cloning in repeat-rich polyploid genomes remains challenging. Here, we describe a strategy for overcoming major bottlenecks in cloning of the powdery mildew resistance gene (R-gene) Pm69 derived from tetraploid wild emmer wheat. A conventional positional cloning approach was not effective owing to suppressed recombination. Chromosome sorting was compromised by insufficient purity. A Pm69 physical map, constructed by assembling Oxford Nanopore Technology (ONT) long-read genome sequences, revealed a rapidly evolving nucleotide-binding leucine-rich repeat (NLR) R-gene cluster with structural variations. A single candidate NLR was identified by anchoring RNA sequencing reads from susceptible mutants to ONT contigs and was validated by virus-induced gene silencing. Pm69 is likely a newly evolved NLR and was discovered in only one location across the wild emmer wheat distribution range in Israel. Pm69 was successfully introgressed into cultivated wheat, and a diagnostic molecular marker was used to accelerate its deployment and pyramiding with other R-genes.
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Affiliation(s)
- Yinghui Li
- Institute of Evolution, University of Haifa, Mt. Carmel, Haifa 3498838, Israel; The Department of Evolutionary and Environmental Biology, University of Haifa, Mt. Carmel, Haifa 3498838, Israel
| | - Zhen-Zhen Wei
- Institute of Evolution, University of Haifa, Mt. Carmel, Haifa 3498838, Israel; The Department of Evolutionary and Environmental Biology, University of Haifa, Mt. Carmel, Haifa 3498838, Israel; The Institute of Plant Protection, Sichuan Academy of Agricultural Sciences, Chengdu 610066, China
| | - Hanan Sela
- Institute of Evolution, University of Haifa, Mt. Carmel, Haifa 3498838, Israel; The Department of Evolutionary and Environmental Biology, University of Haifa, Mt. Carmel, Haifa 3498838, Israel
| | - Liubov Govta
- Institute of Evolution, University of Haifa, Mt. Carmel, Haifa 3498838, Israel; The Department of Evolutionary and Environmental Biology, University of Haifa, Mt. Carmel, Haifa 3498838, Israel
| | - Valentyna Klymiuk
- Institute of Evolution, University of Haifa, Mt. Carmel, Haifa 3498838, Israel; The Department of Evolutionary and Environmental Biology, University of Haifa, Mt. Carmel, Haifa 3498838, Israel; Crop Development Centre and Department of Plant Sciences, University of Saskatchewan, 51 Campus Drive, Saskatoon, SK S7N 5A8, Canada
| | - Rajib Roychowdhury
- Institute of Evolution, University of Haifa, Mt. Carmel, Haifa 3498838, Israel; The Department of Evolutionary and Environmental Biology, University of Haifa, Mt. Carmel, Haifa 3498838, Israel
| | - Harmeet Singh Chawla
- Crop Development Centre and Department of Plant Sciences, University of Saskatchewan, 51 Campus Drive, Saskatoon, SK S7N 5A8, Canada
| | - Jennifer Ens
- Crop Development Centre and Department of Plant Sciences, University of Saskatchewan, 51 Campus Drive, Saskatoon, SK S7N 5A8, Canada
| | - Krystalee Wiebe
- Crop Development Centre and Department of Plant Sciences, University of Saskatchewan, 51 Campus Drive, Saskatoon, SK S7N 5A8, Canada
| | - Valeria Bocharova
- Institute of Evolution, University of Haifa, Mt. Carmel, Haifa 3498838, Israel; The Department of Evolutionary and Environmental Biology, University of Haifa, Mt. Carmel, Haifa 3498838, Israel
| | - Roi Ben-David
- Institute of Evolution, University of Haifa, Mt. Carmel, Haifa 3498838, Israel; The Department of Evolutionary and Environmental Biology, University of Haifa, Mt. Carmel, Haifa 3498838, Israel; Department of Vegetables and Field Crops, Institute of Plant Sciences, Agricultural Research Organization (ARO) - Volcani Center, Rishon Lezion 7505101, Israel
| | - Prerna B Pawar
- Institute of Evolution, University of Haifa, Mt. Carmel, Haifa 3498838, Israel; The Department of Evolutionary and Environmental Biology, University of Haifa, Mt. Carmel, Haifa 3498838, Israel
| | - Yuqi Zhang
- Department of Crop Genomics and Bioinformatics, China Agricultural University, Beijing 100094, China
| | - Samidha Jaiwar
- Institute of Evolution, University of Haifa, Mt. Carmel, Haifa 3498838, Israel; The Department of Evolutionary and Environmental Biology, University of Haifa, Mt. Carmel, Haifa 3498838, Israel
| | - István Molnár
- Institute of Experimental Botany of the Czech Academy of Sciences, Centre of the Region Haná for Biotechnological and Agricultural Research, Šlechtitelů 31, 779 00 Olomouc, Czech Republic
| | - Jaroslav Doležel
- Institute of Experimental Botany of the Czech Academy of Sciences, Centre of the Region Haná for Biotechnological and Agricultural Research, Šlechtitelů 31, 779 00 Olomouc, Czech Republic
| | - Gitta Coaker
- Plant Pathology Department, University of California, Davis, Davis, CA 95616, USA
| | - Curtis J Pozniak
- Crop Development Centre and Department of Plant Sciences, University of Saskatchewan, 51 Campus Drive, Saskatoon, SK S7N 5A8, Canada
| | - Tzion Fahima
- Institute of Evolution, University of Haifa, Mt. Carmel, Haifa 3498838, Israel; The Department of Evolutionary and Environmental Biology, University of Haifa, Mt. Carmel, Haifa 3498838, Israel.
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Marone D, Laidò G, Saccomanno A, Petruzzino G, Giaretta Azevedo CV, De Vita P, Mastrangelo AM, Gadaleta A, Ammar K, Bassi FM, Wang M, Chen X, Rubiales D, Matny O, Steffenson BJ, Pecchioni N. Genome-wide association study of common resistance to rust species in tetraploid wheat. FRONTIERS IN PLANT SCIENCE 2024; 14:1290643. [PMID: 38235202 PMCID: PMC10792004 DOI: 10.3389/fpls.2023.1290643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 12/11/2023] [Indexed: 01/19/2024]
Abstract
Rusts of the genus Puccinia are wheat pathogens. Stem (black; Sr), leaf (brown; Lr), and stripe (yellow; Yr) rust, caused by Puccinia graminis f. sp. tritici (Pgt), Puccinia triticina (Pt), and Puccinia striiformis f. sp. tritici (Pst), can occur singularly or in mixed infections and pose a threat to wheat production globally in terms of the wide dispersal of their urediniospores. The development of durable resistant cultivars is the most sustainable method for controlling them. Many resistance genes have been identified, characterized, genetically mapped, and cloned; several quantitative trait loci (QTLs) for resistance have also been described. However, few studies have considered resistance to all three rust pathogens in a given germplasm. A genome-wide association study (GWAS) was carried out to identify loci associated with resistance to the three rusts in a collection of 230 inbred lines of tetraploid wheat (128 of which were Triticum turgidum ssp. durum) genotyped with SNPs. The wheat panel was phenotyped in the field and subjected to growth chamber experiments across different countries (USA, Mexico, Morocco, Italy, and Spain); then, a mixed linear model (MLM) GWAS was performed. In total, 9, 34, and 5 QTLs were identified in the A and B genomes for resistance to Pgt, Pt, and Pst, respectively, at both the seedling and adult plant stages. Only one QTL on chromosome 4A was found to be effective against all three rusts at the seedling stage. Six QTLs conferring resistance to two rust species at the adult plant stage were mapped: three on chromosome 1B and one each on 5B, 7A, and 7B. Fifteen QTLs conferring seedling resistance to two rusts were mapped: five on chromosome 2B, three on 7B, two each on 5B and 6A, and one each on 1B, 2A, and 7A. Most of the QTLs identified were specific for a single rust species or race of a species. Candidate genes were identified within the confidence intervals of a QTL conferring resistance against at least two rust species by using the annotations of the durum (cv. 'Svevo') and wild emmer wheat ('Zavitan') reference genomes. The 22 identified loci conferring resistance to two or three rust species may be useful for breeding new and potentially durable resistant wheat cultivars.
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Affiliation(s)
- Daniela Marone
- Centro di Ricerca Cerealicoltura e Colture Industriali, Consiglio per la Ricerca in Agricoltura e l'Analisi dell'Economia Agraria (CREA), Foggia, Italy
| | - Giovanni Laidò
- Centro di Ricerca Cerealicoltura e Colture Industriali, Consiglio per la Ricerca in Agricoltura e l'Analisi dell'Economia Agraria (CREA), Foggia, Italy
| | - Antonietta Saccomanno
- Centro di Ricerca Cerealicoltura e Colture Industriali, Consiglio per la Ricerca in Agricoltura e l'Analisi dell'Economia Agraria (CREA), Foggia, Italy
- Dipartimento di Scienze della Vita, Università di Modena e Reggio Emilia, Reggio Emilia, Italy
| | - Giuseppe Petruzzino
- Centro di Ricerca Cerealicoltura e Colture Industriali, Consiglio per la Ricerca in Agricoltura e l'Analisi dell'Economia Agraria (CREA), Foggia, Italy
| | - Cleber V. Giaretta Azevedo
- Centro di Ricerca Cerealicoltura e Colture Industriali, Consiglio per la Ricerca in Agricoltura e l'Analisi dell'Economia Agraria (CREA), Foggia, Italy
| | - Pasquale De Vita
- Centro di Ricerca Cerealicoltura e Colture Industriali, Consiglio per la Ricerca in Agricoltura e l'Analisi dell'Economia Agraria (CREA), Foggia, Italy
| | - Anna Maria Mastrangelo
- Centro di Ricerca Cerealicoltura e Colture Industriali, Consiglio per la Ricerca in Agricoltura e l'Analisi dell'Economia Agraria (CREA), Foggia, Italy
| | - Agata Gadaleta
- Dipartimento di Scienze del Suolo, della Pianta e degli Alimenti (Di.S.S.P.A.), Università di Bari “Aldo Moro”, Bari, Italy
| | - Karim Ammar
- International Maize and Wheat Improvement Centre (CIMMYT), Ciudad de México, Mexico
| | - Filippo M. Bassi
- International Center for Agricultural Research in the Dry Areas (ICARDA), Rabat, Morocco
| | - Meinan Wang
- Department of Plant Pathology, Washington State University, Pullman, WA, United States
| | - Xianming Chen
- Department of Plant Pathology, Washington State University, Pullman, WA, United States
- Wheat Health, Genetics, and Quality Research Unit, United States Department of Agriculture - Agriculture Research Service (USDA-ARS), Pullman, WA, United States
| | - Diego Rubiales
- Institute for Sustainable Agriculture, Consejo Superior de Investigaciones Científicas (CSIC), Córdoba, Spain
| | - Oadi Matny
- Department of Plant Pathology, University of Minnesota, St. Paul, MN, United States
| | - Brian J. Steffenson
- Department of Plant Pathology, University of Minnesota, St. Paul, MN, United States
| | - Nicola Pecchioni
- Centro di Ricerca Cerealicoltura e Colture Industriali, Consiglio per la Ricerca in Agricoltura e l'Analisi dell'Economia Agraria (CREA), Foggia, Italy
- Dipartimento di Scienze della Vita, Università di Modena e Reggio Emilia, Reggio Emilia, Italy
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Han G, Liu H, Zhu S, Gu T, Cao L, Yan H, Jin Y, Wang J, Liu S, Zhou Y, Shi Z, He H, An D. Two functional CC-NBS-LRR proteins from rye chromosome 6RS confer differential age-related powdery mildew resistance to wheat. PLANT BIOTECHNOLOGY JOURNAL 2024; 22:66-81. [PMID: 38153293 PMCID: PMC10754004 DOI: 10.1111/pbi.14165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 08/02/2023] [Accepted: 08/08/2023] [Indexed: 12/29/2023]
Abstract
Rye (Secale cereale), a valuable relative of wheat, contains abundant powdery mildew resistance (Pm) genes. Using physical mapping, transcriptome sequencing, barley stripe mosaic virus-induced gene silencing, ethyl methane sulfonate mutagenesis, and stable transformation, we isolated and validated two coiled-coil, nucleotide-binding site and leucine-rich repeat (CC-NBS-LRR) alleles, PmTR1 and PmTR3, located on rye chromosome 6RS from different triticale lines. PmTR1 confers age-related resistance starting from the three-leaf stage, whereas its allele, PmTR3, confers typical all-stage resistance, which may be associated with their differential gene expression patterns. Overexpression in Nicotiana benthamiana showed that the CC, CC-NBS, and CC-LRR fragments of PMTR1 induce cell death, whereas in PMTR3 the CC and full-length fragments perform this function. Luciferase complementation imaging and pull-down assays revealed distinct interaction activities between the CC and NBS fragments. Our study elucidates two novel rye-derived Pm genes and their derivative germplasm resources and provides novel insights into the mechanism of age-related resistance, which can aid the improvement of resistance against wheat powdery mildew.
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Affiliation(s)
- Guohao Han
- Center for Agricultural Resources Research, Institute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuangChina
| | - Hong Liu
- Center for Agricultural Resources Research, Institute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuangChina
| | - Shanying Zhu
- School of Life SciencesJiangsu UniversityZhenjiangChina
| | - Tiantian Gu
- Center for Agricultural Resources Research, Institute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuangChina
| | - Lijun Cao
- Center for Agricultural Resources Research, Institute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuangChina
| | - Hanwen Yan
- Center for Agricultural Resources Research, Institute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuangChina
| | - Yuli Jin
- Center for Agricultural Resources Research, Institute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuangChina
| | - Jing Wang
- Center for Agricultural Resources Research, Institute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuangChina
| | - Shiyu Liu
- Center for Agricultural Resources Research, Institute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuangChina
| | - Yilin Zhou
- The State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijingChina
| | - Zhipeng Shi
- Center for Agricultural Resources Research, Institute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuangChina
| | - Huagang He
- School of Life SciencesJiangsu UniversityZhenjiangChina
| | - Diaoguo An
- Center for Agricultural Resources Research, Institute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuangChina
- Innovation Academy for Seed DesignChinese Academy of SciencesBeijingChina
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42
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Vishwakarma G, Saini A, Bhardwaj SC, Kumar S, Das BK. Comparative transcriptomics of stem rust resistance in wheat NILs mediated by Sr24 rust resistance gene. PLoS One 2023; 18:e0295202. [PMID: 38079439 PMCID: PMC10712884 DOI: 10.1371/journal.pone.0295202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 11/16/2023] [Indexed: 12/18/2023] Open
Abstract
Stem rust of wheat is a deleterious fungal disease across the globe causing severe yield losses. Although, many stem rust resistance genes (Sr) are being used in wheat breeding programs, new emerging stem rust pathotypes are a challenge to important Sr genes. In recent years, multiple studies on leaf and yellow rust molecular mechanism have been done, however, for stem rust such studies are lacking. Current study investigated stem rust induced response in the susceptible wheat genotype C306 and its Near Isogenic Line (NIL) for Sr24 gene, HW2004, using microarray analysis to understand the transcriptomic differences at different stages of infection. Results showed that HW2004 has higher basal levels of several important genes involved in pathogen detection, defence, and display early activation of multiple defence mechanisms. Further Gene Ontology (GO) and pathway analysis identified important genes responsible for pathogen detection, downstream signalling cascades and transcription factors (TFs) involved in activation and mediation of defence responses. Results suggest that generation of Reactive Oxygen Species (ROS), cytoskeletal rearrangement, activation of multiple hydrolases, and lipid metabolism mediated biosynthesis of certain secondary metabolites are collectively involved in Sr24-mediated defence in HW2004, in response to stem rust infection. Novel and unannotated, but highly responsive genes were also identified, which may also contribute towards resistance phenotype. Furthermore, certain DEGs also mapped close to the Sr24-linked marker on Thinopyrum elongatum translocated fragment on wheat 3E chromosome, which advocate further investigations for better insights of the Sr24-mediated stem rust resistance.
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Affiliation(s)
- Gautam Vishwakarma
- Nuclear Agriculture and Biotechnology Division, Bhabha Atomic Research Centre, Trombay, Mumbai, Maharashtra, India
- Homi Bhabha National Institute, Mumbai, India
| | - Ajay Saini
- Homi Bhabha National Institute, Mumbai, India
- Molecular Biology Division, Bhabha Atomic Research Centre, Trombay, Mumbai, Maharashtra, India
| | | | - Satish Kumar
- ICAR—Indian Institute of Wheat and Barley Research, Karnal, Haryana, India
| | - Bikram Kishore Das
- Nuclear Agriculture and Biotechnology Division, Bhabha Atomic Research Centre, Trombay, Mumbai, Maharashtra, India
- Homi Bhabha National Institute, Mumbai, India
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Jin Y, Xiao L, Zheng J, Su F, Yu Z, Mu Y, Zhang W, Li L, Han G, Ma P. Genetic Analysis and Molecular Identification of the Powdery Mildew Resistance in 116 Elite Wheat Cultivars/Lines. PLANT DISEASE 2023; 107:3801-3809. [PMID: 37272049 DOI: 10.1094/pdis-04-23-0792-re] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Powdery mildew, caused by Blumeria graminis f. sp. tritici (Bgt), is a destructive disease worldwide. Host resistance is the preferred method for limiting the disease epidemic, protecting the environment, and minimizing economic losses. In the present study, the reactions to powdery mildew for a collection of 600 wheat cultivars and breeding lines from different wheat-growing regions were tested using the Bgt isolate E09. Next, 116 resistant genotypes were identified and then crossed with susceptible wheat cultivars/lines to produce segregating populations for genetic analysis. Among them, 87, 19, and 10 genotypes displayed single, dual, and multiple genic inheritance, respectively. To identify the Pm gene(s) in those resistant genotypes, 16 molecular markers for 13 documented Pm genes were used to test the resistant and susceptible parents and their segregating populations. Of the 87 wheat genotypes that fitted the monogenic inheritance, 75 carried the Pm2a allele. Three, two, one, and two genotypes carried Pm21, Pm6, Pm4, and the recessive genes pm6 and pm42, respectively. Four genotypes did not carry any of the tested genes, suggesting that they might have other uncharacterized or new genes. The other 29 wheat cultivars/lines carried two or more of the tested Pm genes and/or other untested genes, including Pm2, Pm5, Pm6, and/or pm42. It was obvious that Pm2 was widely used in wheat production, whereas Pm1, Pm24, Pm33, Pm34, Pm35, Pm45, and Pm47 were not detected in any of these resistant wheat genotypes. This study clarified the genetic basis of the powdery mildew resistance of these wheat cultivars/lines to provide information for their rational utilization in different wheat-growing regions. Moreover, some wheat genotypes which may have novel Pm gene(s) were mined to enrich the diversity of resistance source.
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Affiliation(s)
- Yuli Jin
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai 264005, China
| | - Luning Xiao
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai 264005, China
| | - Jianpeng Zheng
- Institute of Grain and Oil Crops, Yantai Academy of Agricultural Sciences, Yantai 265500, China
| | - Fuyu Su
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai 264005, China
| | - Ziyang Yu
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai 264005, China
| | - Yanjun Mu
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai 264005, China
| | - Wenjing Zhang
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai 264005, China
| | - Linzhi Li
- Institute of Grain and Oil Crops, Yantai Academy of Agricultural Sciences, Yantai 265500, China
| | - Guohao Han
- Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang 050021, China
| | - Pengtao Ma
- Yantai Key Laboratory of Characteristic Agricultural Bioresource Conservation & Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai 264005, China
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Sharma D, Kumari A, Sharma P, Singh A, Sharma A, Mir ZA, Kumar U, Jan S, Parthiban M, Mir RR, Bhati P, Pradhan AK, Yadav A, Mishra DC, Budhlakoti N, Yadav MC, Gaikwad KB, Singh AK, Singh GP, Kumar S. Meta-QTL analysis in wheat: progress, challenges and opportunities. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2023; 136:247. [PMID: 37975911 DOI: 10.1007/s00122-023-04490-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 10/16/2023] [Indexed: 11/19/2023]
Abstract
Wheat, an important cereal crop globally, faces major challenges due to increasing global population and changing climates. The production and productivity are challenged by several biotic and abiotic stresses. There is also a pressing demand to enhance grain yield and quality/nutrition to ensure global food and nutritional security. To address these multifaceted concerns, researchers have conducted numerous meta-QTL (MQTL) studies in wheat, resulting in the identification of candidate genes that govern these complex quantitative traits. MQTL analysis has successfully unraveled the complex genetic architecture of polygenic quantitative traits in wheat. Candidate genes associated with stress adaptation have been pinpointed for abiotic and biotic traits, facilitating targeted breeding efforts to enhance stress tolerance. Furthermore, high-confidence candidate genes (CGs) and flanking markers to MQTLs will help in marker-assisted breeding programs aimed at enhancing stress tolerance, yield, quality and nutrition. Functional analysis of these CGs can enhance our understanding of intricate trait-related genetics. The discovery of orthologous MQTLs shared between wheat and other crops sheds light on common evolutionary pathways governing these traits. Breeders can leverage the most promising MQTLs and CGs associated with multiple traits to develop superior next-generation wheat cultivars with improved trait performance. This review provides a comprehensive overview of MQTL analysis in wheat, highlighting progress, challenges, validation methods and future opportunities in wheat genetics and breeding, contributing to global food security and sustainable agriculture.
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Affiliation(s)
- Divya Sharma
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | - Anita Kumari
- Department of Botany, University of Delhi, Delhi, India
| | - Priya Sharma
- Department of Botany, University of Delhi, Delhi, India
| | - Anupma Singh
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | - Anshu Sharma
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | - Zahoor Ahmad Mir
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | - Uttam Kumar
- Borlaug Institute for South Asia (BISA), Ludhiana, India
| | - Sofora Jan
- Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir (SKUAST-K), Srinagar, Kashmir, India
| | - M Parthiban
- Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir (SKUAST-K), Srinagar, Kashmir, India
| | - Reyazul Rouf Mir
- Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir (SKUAST-K), Srinagar, Kashmir, India
| | - Pradeep Bhati
- Borlaug Institute for South Asia (BISA), Ludhiana, India
| | - Anjan Kumar Pradhan
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | - Aakash Yadav
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | | | - Neeraj Budhlakoti
- ICAR- Indian Agricultural Statistics Research Institute, New Delhi, India
| | - Mahesh C Yadav
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | - Kiran B Gaikwad
- Division of Genetics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Amit Kumar Singh
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | | | - Sundeep Kumar
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India.
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45
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Zhang J, Nirmala J, Chen S, Jost M, Steuernagel B, Karafiatova M, Hewitt T, Li H, Edae E, Sharma K, Hoxha S, Bhatt D, Antoniou-Kourounioti R, Dodds P, Wulff BBH, Dolezel J, Ayliffe M, Hiebert C, McIntosh R, Dubcovsky J, Zhang P, Rouse MN, Lagudah E. Single amino acid change alters specificity of the multi-allelic wheat stem rust resistance locus SR9. Nat Commun 2023; 14:7354. [PMID: 37963867 PMCID: PMC10645757 DOI: 10.1038/s41467-023-42747-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 10/19/2023] [Indexed: 11/16/2023] Open
Abstract
Most rust resistance genes thus far isolated from wheat have a very limited number of functional alleles. Here, we report the isolation of most of the alleles at wheat stem rust resistance gene locus SR9. The seven previously reported resistance alleles (Sr9a, Sr9b, Sr9d, Sr9e, Sr9f, Sr9g, and Sr9h) are characterised using a synergistic strategy. Loss-of-function mutants and/or transgenic complementation are used to confirm Sr9b, two haplotypes of Sr9e (Sr9e_h1 and Sr9e_h2), Sr9g, and Sr9h. Each allele encodes a highly related nucleotide-binding site leucine-rich repeat (NB-LRR) type immune receptor, containing an unusual long LRR domain, that confers resistance to a unique spectrum of isolates of the wheat stem rust pathogen. The only SR9 protein effective against stem rust pathogen race TTKSK (Ug99), SR9H, differs from SR9B by a single amino acid. SR9B and SR9G resistance proteins are also distinguished by only a single amino acid. The SR9 allelic series found in the B subgenome are orthologs of wheat stem rust resistance gene Sr21 located in the A subgenome with around 85% identity in protein sequences. Together, our results show that functional diversification of allelic variants at the SR9 locus involves single and multiple amino acid changes that recognize isolates of wheat stem rust.
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Affiliation(s)
- Jianping Zhang
- CSIRO Agriculture & Food, Canberra, ACT, 2601, Australia
- Plant Breeding Institute, School of Life and Environmental Sciences, University of Sydney, Cobbitty, NSW, 2570, Australia
- State Key Laboratory of Wheat and Maize Crop Science, National Wheat Innovation Centre, Centre for Crop Genome Engineering, and College of Agronomy, Longzi Lake Campus, Henan Agricultural University, Zhengzhou, 450046, China
| | | | - Shisheng Chen
- Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agricultural Sciences at Weifang, Weifang, Shandong, 261000, China
| | - Matthias Jost
- CSIRO Agriculture & Food, Canberra, ACT, 2601, Australia
| | | | - Mirka Karafiatova
- Institute of Experimental Botany of the Czech Academy of Sciences, Centre of the Region Haná for Biotechnological and Agricultural Research, 77900, Olomouc, Czech Republic
| | - Tim Hewitt
- CSIRO Agriculture & Food, Canberra, ACT, 2601, Australia
| | - Hongna Li
- Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agricultural Sciences at Weifang, Weifang, Shandong, 261000, China
| | - Erena Edae
- Department of Plant Pathology, University of Minnesota, St. Paul, MN, 55108, USA
| | - Keshav Sharma
- US Department of Agriculture-Agricultural Research Service, Cereal Disease Laboratory, St. Paul, MN, 55108, USA
| | - Sami Hoxha
- Plant Breeding Institute, School of Life and Environmental Sciences, University of Sydney, Cobbitty, NSW, 2570, Australia
| | - Dhara Bhatt
- CSIRO Agriculture & Food, Canberra, ACT, 2601, Australia
| | - Rea Antoniou-Kourounioti
- School of Molecular Biosciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, UK
| | - Peter Dodds
- CSIRO Agriculture & Food, Canberra, ACT, 2601, Australia
| | - Brande B H Wulff
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
- Centre for Desert Agriculture, KAUST, Thuwal, 23955-6900, Saudi Arabia
| | - Jaroslav Dolezel
- Institute of Experimental Botany of the Czech Academy of Sciences, Centre of the Region Haná for Biotechnological and Agricultural Research, 77900, Olomouc, Czech Republic
| | | | - Colin Hiebert
- Agriculture and Agri-Food Canada, Morden Research and Development Centre, 101 Route 100, Morden, MB, R6M 1Y5, Canada
| | - Robert McIntosh
- Plant Breeding Institute, School of Life and Environmental Sciences, University of Sydney, Cobbitty, NSW, 2570, Australia
| | - Jorge Dubcovsky
- Department of Plant Sciences, University of California, Davis, CA, 95616, USA
- Howard Hughes Medical Institute, Chevy Chase, MD, 20815, USA
| | - Peng Zhang
- Plant Breeding Institute, School of Life and Environmental Sciences, University of Sydney, Cobbitty, NSW, 2570, Australia.
| | - Matthew N Rouse
- Department of Plant Pathology, University of Minnesota, St. Paul, MN, 55108, USA.
- US Department of Agriculture-Agricultural Research Service, Cereal Disease Laboratory, St. Paul, MN, 55108, USA.
| | - Evans Lagudah
- CSIRO Agriculture & Food, Canberra, ACT, 2601, Australia.
- Plant Breeding Institute, School of Life and Environmental Sciences, University of Sydney, Cobbitty, NSW, 2570, Australia.
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46
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Yan Y, Li XM, Chen Y, Wu TT, Ding CH, Zhang MQ, Guo YT, Wang CY, Zhang J, Zhang X, Rasheed A, Xu S, Wang ML, Ni Z, Sun Q, Gou JY. Phosphorylation of KAT-2B by WKS1/Yr36 redirects the lipid flux to jasmonates to enhance resistance against wheat stripe rust. J Genet Genomics 2023; 50:872-882. [PMID: 37666356 DOI: 10.1016/j.jgg.2023.08.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/06/2023]
Abstract
Wheat (Triticum aestivum) is one of the most essential human energy and protein sources. However, wheat production is threatened by devastating fungal diseases such as stripe rust, caused by Puccinia striiformis Westend. f. sp. tritici (Pst). Here, we reveal that the alternations in chloroplast lipid profiles and the accumulation of jasmonate (JA) in the necrosis region activate JA signaling and trigger the host defense. The collapse of chloroplasts in the necrosis region results in accumulations of polyunsaturated membrane lipids and the lipid-derived phytohormone JA in transgenic lines of Yr36 that encodes Wheat Kinase START 1 (WKS1), a high-temperature-dependent adult plant resistance protein. WKS1.1, a protein encoded by a full-length splicing variant of WKS1, phosphorylates and enhances the activity of keto-acyl thiolase (KAT-2B), a critical enzyme catalyzing the β-oxidation reaction in JA biosynthesis. The premature stop mutant, kat-2b, accumulates less JA and shows defects in the host defense against Pst. Conversely, overexpression of KAT-2B results in a higher level of JA and limits the growth of Pst. Moreover, JA inhibits the growth and reduces pustule densities of Pst. This study illustrates the WKS1.1‒KAT-2B‒JA pathway for enhancing wheat defense against fungal pathogens to attenuate yield loss.
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Affiliation(s)
- Yan Yan
- Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China; Xianghu Laboratory, Hangzhou, Zhejiang 311231, China; School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Xiao-Ming Li
- School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Yun Chen
- Institute of Metabolism and Integrative Biology, Fudan University, Shanghai 200438, China
| | - Tian-Tian Wu
- School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Ci-Hang Ding
- Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China; School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Mei-Qi Zhang
- Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China; School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Yue-Ting Guo
- Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China; School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Chu-Yang Wang
- School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Junli Zhang
- State Key Laboratory of Crop Stress Adaptation and Improvement, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Xuebin Zhang
- State Key Laboratory of Crop Stress Adaptation and Improvement, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Awais Rasheed
- International Maize and Wheat Improvement Center (CIMMYT), Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Shengchun Xu
- Xianghu Laboratory, Hangzhou, Zhejiang 311231, China
| | - Meng-Lu Wang
- Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China
| | - Zhongfu Ni
- Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China
| | - Qixin Sun
- Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China
| | - Jin-Ying Gou
- Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China.
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47
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Yang G, Zhang N, Boshoff WHP, Li H, Li B, Li Z, Zheng Q. Identification and introgression of a novel leaf rust resistance gene from Thinopyrum intermedium chromosome 7J s into wheat. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2023; 136:231. [PMID: 37875643 DOI: 10.1007/s00122-023-04474-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 09/26/2023] [Indexed: 10/26/2023]
Abstract
KEY MESSAGE A novel leaf rust resistance locus located on a terminal segment (0-69.29 Mb) of Thinopyrum intermedium chromosome arm 7JsS has been introduced into wheat genome for disease resistance breeding. Xiaoyan 78829, a wheat-Thinopyrum intermedium partial amphiploid, exhibits excellent resistance to fungal diseases in wheat. To transfer its disease resistance to common wheat (Triticum aestivum), we previously developed a translocation line WTT26 using chromosome engineering. Disease evaluation showed that WTT26 was nearly immune to 14 common races of leaf rust pathogen (Puccinia triticina) and highly resistant to Ug99 race PTKST of stem rust pathogen (P. graminis f. sp. tritici) at the seedling stage. It also displayed high adult plant resistance to powdery mildew (caused by Blumeria graminis f. sp. tritici). Cytogenetic and molecular marker analysis revealed that WTT26 carried a T4BS·7JsS chromosome translocation. Once transferred into the susceptible wheat genetic background, chromosome 7JsS exhibited its resistance to leaf rust, indicating that the resistance locus was located on this alien chromosome. To enhance the usefulness of this locus in wheat breeding, we further developed several new translocation lines with small Th. intermedium segments using irradiation and developed 124 specific markers using specific-locus amplified fragment sequencing, which increased the marker density of chromosome 7JsS. Furthermore, a refined physical map of chromosome 7JsS was constructed with 74 specific markers, and six bins were thus arranged according to the co-occurrence of markers and alien chromosome segments. Combining data from specific marker amplification and resistance evaluation, we mapped a new leaf rust resistance locus in the 0-69.29 Mb region on chromosome 7JsS. The translocation lines carrying the new leaf rust resistance locus and its linked markers will contribute to wheat disease-resistance breeding.
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Affiliation(s)
- Guotang Yang
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Na Zhang
- Department of Plant Pathology, Technological Innovation Center for Biological Control of Plant Diseases and Insect Pests of Hebei Province, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Willem H P Boshoff
- Department of Plant Sciences, University of the Free State, Bloemfontein, 9300, South Africa
| | - Hongwei Li
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China
| | - Bin Li
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China
| | - Zhensheng Li
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China
| | - Qi Zheng
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China.
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48
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Mao H, Jiang C, Tang C, Nie X, Du L, Liu Y, Cheng P, Wu Y, Liu H, Kang Z, Wang X. Wheat adaptation to environmental stresses under climate change: Molecular basis and genetic improvement. MOLECULAR PLANT 2023; 16:1564-1589. [PMID: 37671604 DOI: 10.1016/j.molp.2023.09.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/19/2023] [Accepted: 09/01/2023] [Indexed: 09/07/2023]
Abstract
Wheat (Triticum aestivum) is a staple food for about 40% of the world's population. As the global population has grown and living standards improved, high yield and improved nutritional quality have become the main targets for wheat breeding. However, wheat production has been compromised by global warming through the more frequent occurrence of extreme temperature events, which have increased water scarcity, aggravated soil salinization, caused plants to be more vulnerable to diseases, and directly reduced plant fertility and suppressed yield. One promising option to address these challenges is the genetic improvement of wheat for enhanced resistance to environmental stress. Several decades of progress in genomics and genetic engineering has tremendously advanced our understanding of the molecular and genetic mechanisms underlying abiotic and biotic stress responses in wheat. These advances have heralded what might be considered a "golden age" of functional genomics for the genetic improvement of wheat. Here, we summarize the current knowledge on the molecular and genetic basis of wheat resistance to abiotic and biotic stresses, including the QTLs/genes involved, their functional and regulatory mechanisms, and strategies for genetic modification of wheat for improved stress resistance. In addition, we also provide perspectives on some key challenges that need to be addressed.
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Affiliation(s)
- Hude Mao
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Cong Jiang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Chunlei Tang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xiaojun Nie
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Linying Du
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Science, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yuling Liu
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Peng Cheng
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yunfeng Wu
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Huiquan Liu
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Zhensheng Kang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Xiaojie Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China.
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49
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Xu X, Ni Z, Zou X, Zhang Y, Tong J, Xu X, Dong Y, Han B, Li S, Wang D, Xia X, He Z, Hao Y. QTL Mapping Reveals Both All-Stage and Adult-Plant Resistance to Powdery Mildew in Chinese Elite Wheat Cultivars. PLANT DISEASE 2023; 107:3230-3237. [PMID: 37018212 DOI: 10.1094/pdis-02-23-0399-re] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Powdery mildew caused by Blumeria graminis f. sp. tritici is a threat to wheat production in China. Mapping quantitative trait loci (QTL) for resistance to powdery mildew and developing breeder-friendly markers are important initial steps in breeding resistant cultivars. An all-stage resistance gene and several QTL were identified using a population of 254 recombinant inbred lines developed from a Jingdong 8/Aikang 58 cross. The population was evaluated for powdery mildew resistance across six field environments over three consecutive growing seasons utilizing two different mixtures of B. graminis f. sp. tritici isolates, named #Bgt-HB and #Bgt-BJ. Using genotypic data obtained from the Wheat TraitBreed 50K single-nucleotide polymorphism array, seven stable QTL were identified on chromosome arms 1DL, 2AL, 2DS, 4DL, 5AL, 6BL.1, and 6BL.2. The QTL on 2AL conferred all-stage resistance to B. graminis f. sp. tritici race E20 in greenhouse tests and explained up to 52% of the phenotypic variance in field trials but was resistant only against #Bgt-HB. The gene involved in this QTL was predicted to be Pm4a based on genome location and gene sequence. QPmja.caas-1DL, QPmja.caas-4DL, and QPmja.caas-6BL.1 were identified as potentially new QTL for powdery mildew resistance. QPmja.caas-2DS and QPmja.caas-6BL.1 were effective against both B. graminis f. sp. tritici mixtures, indicating their probable broad-spectrum resistance. A Kompetitive allele-specific PCR marker closely linked to QPmja.caas-2DS was developed and validated in a panel of 286 wheat cultivars. Because both Jingdong 8 and Aikang 58 have been leading cultivars and breeding parents, the QTL and marker reported represent valuable resources for wheat researchers and breeders.
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Affiliation(s)
- Xiaoting Xu
- Institute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Zhongqiu Ni
- Institute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Xinyu Zou
- Institute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Yelun Zhang
- Institute of Cereal and Oil Crops, Hebei Academy of Agricultural and Forestry Sciences/Hebei Laboratory of Crop Genetics and Breeding, Shijiazhuang 050031, Hebei, China
| | - Jingyang Tong
- Institute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Xiaowan Xu
- Institute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Yachao Dong
- Institute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Bin Han
- Institute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Simin Li
- Institute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Desen Wang
- Institute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Xianchun Xia
- Institute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Zhonghu He
- Institute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
- International Maize and Wheat Improvement Center (CIMMYT) China Office, Beijing 100081, China
| | - Yuanfeng Hao
- Institute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
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50
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Dracatos PM, Lu J, Sánchez‐Martín J, Wulff BB. Resistance that stacks up: engineering rust and mildew disease control in the cereal crops wheat and barley. PLANT BIOTECHNOLOGY JOURNAL 2023; 21:1938-1951. [PMID: 37494504 PMCID: PMC10502761 DOI: 10.1111/pbi.14106] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 06/05/2023] [Accepted: 06/09/2023] [Indexed: 07/28/2023]
Abstract
Staying ahead of the arms race against rust and mildew diseases in cereal crops is essential to maintain and preserve food security. The methodological challenges associated with conventional resistance breeding are major bottlenecks for deploying resistance (R) genes in high-yielding crop varieties. Advancements in our knowledge of plant genomes, structural mechanisms, innovations in bioinformatics, and improved plant transformation techniques have alleviated this bottleneck by permitting rapid gene isolation, functional studies, directed engineering of synthetic resistance and precise genome manipulation in elite crop cultivars. Most cloned cereal R genes encode canonical immune receptors which, on their own, are prone to being overcome through selection for resistance-evading pathogenic strains. However, the increasingly large repertoire of cloned R genes permits multi-gene stacking that, in principle, should provide longer-lasting resistance. This review discusses how these genomics-enabled developments are leading to new breeding and biotechnological opportunities to achieve durable rust and powdery mildew control in cereals.
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Affiliation(s)
- Peter M. Dracatos
- La Trobe Institute for Sustainable Agriculture & Food (LISAF)Department of Animal, Plant and Soil SciencesLa Trobe UniversityVIC 3086Australia
| | - Jing Lu
- Plant Science Program, Biological and Environmental Science and Engineering Division (BESE)King Abdullah University of Science and Technology (KAUST)ThuwalSaudi Arabia
- Center for Desert AgricultureKAUSTThuwalSaudi Arabia
- College of Life SciencesSichuan UniversityChengduChina
- Chengdu Institute of Biology, Chinese Academy of SciencesChengduChina
| | - Javier Sánchez‐Martín
- Department of Microbiology and Genetics, Spanish‐Portuguese Agricultural Research Center (CIALE)University of SalamancaSalamancaSpain
| | - Brande B.H. Wulff
- Plant Science Program, Biological and Environmental Science and Engineering Division (BESE)King Abdullah University of Science and Technology (KAUST)ThuwalSaudi Arabia
- Center for Desert AgricultureKAUSTThuwalSaudi Arabia
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