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Jin Y, Feng G, Luo J, Yan H, Sun M, Jing T, Yang Y, Jia J, Zhu X, Wang X, Zhang X, Huang L. Combined Genome-Wide Association Study and Transcriptome Analysis Reveal Candidate Genes for Resistance to Rust ( Puccinia graminis) in Dactylis glomerata. PLANT DISEASE 2024; 108:2197-2205. [PMID: 38956749 DOI: 10.1094/pdis-02-24-0360-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: 07/04/2024]
Abstract
Rust disease is a common plant disease that can cause wilting, slow growth of plant leaves, and even affect the growth and development of plants. Orchardgrass (Dactylis glomerata L.) is native to temperate regions of Europe, which has been introduced as a superior forage grass in temperate regions worldwide. Orchardgrass has rich genetic diversity and is widely distributed in the world, which may contain rust resistance genes not found in other crops. Therefore, we collected a total of 333 orchardgrass accessions from different regions around the world. Through a genome-wide association study (GWAS) analysis conducted in four different environments, 91 genes that overlap or are adjacent to significant single nucleotide polymorphisms (SNPs) were identified as potential rust disease resistance genes. Combining transcriptome data from susceptible (PI292589) and resistant (PI251814) accessions, the GWAS candidate gene DG5C04160.1 encoding glutathione S-transferase (GST) was found to be important for orchardgrass rust (Puccinia graminis) resistance. Interestingly, by comparing the number of GST gene family members in seven species, it was found that orchardgrass has the most GST gene family members, containing 119 GST genes. Among them, 23 GST genes showed significant differential expression after inoculation with the rust pathogen in resistant and susceptible accessions; 82% of the genes still showed significantly increased expression 14 days after inoculation in resistant accessions, while the expression level significantly decreased in susceptible accessions. These results indicate that GST genes play an important role in orchardgrass resistance to rust (P. graminis) stress by encoding GST to reduce its oxidative stress response.
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Affiliation(s)
- Yarong Jin
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Guangyan Feng
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Jinchan Luo
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Haidong Yan
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
- Department of Genetics, University of Georgia, Athens, GA 30602, U.S.A
| | - Min Sun
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Tingting Jing
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Yuchen Yang
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Jiyuan Jia
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Xin Zhu
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Xiaoshan Wang
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Xinquan Zhang
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Linkai Huang
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, 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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Nsabiyera V, Qureshi N, Li J, Randhawa M, Zhang P, Forrest K, Bansal U, Bariana H. Relocation of Sr48 to Chromosome 2D Using an Alternative Mapping Population and Development of a Closely Linked Marker Using Diverse Molecular Technologies. PLANTS (BASEL, SWITZERLAND) 2023; 12:1601. [PMID: 37111824 PMCID: PMC10142899 DOI: 10.3390/plants12081601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 03/14/2023] [Indexed: 06/19/2023]
Abstract
The Ug99-effective stem rust resistance gene Sr48 was mapped to chromosome 2A based on its repulsion linkage with Yr1 in an Arina/Forno recombinant inbred line (RIL) population. Attempts to identify markers closely linked to Sr48 using available genomic resources were futile. This study used an Arina/Cezanne F5:7 RIL population to identify markers closely linked with Sr48. Using the Arina/Cezanne DArTseq map, Sr48 was mapped on the short arm of chromosome 2D and it co-segregated with 12 markers. These DArTseq marker sequences were used for BlastN search to identify corresponding wheat chromosome survey sequence (CSS) contigs, and PCR-based markers were developed. Two simple sequence repeat (SSR) markers, sun590 and sun592, and two Kompetitive Allele-Specific PCR (KASP) markers were derived from the contig 2DS_5324961 that mapped distal to Sr48. Molecular cytogenetic analysis using sequential fluorescent in situ hybridization (FISH) and genomic in situ hybridization (GISH) identified a terminal translocation of chromosome 2A in chromosome 2DL of Forno. This translocation would have led to the formation of a quadrivalent involving chromosomes 2A and 2D in the Arina/Forno population, which would have exhibited pseudo-linkage between Sr48 and Yr1 in chromosome 2AL. Polymorphism of the closet marker sunKASP_239 among a set of 178 wheat genotypes suggested that this marker can be used for marker-assisted selection of Sr48.
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Affiliation(s)
- Vallence Nsabiyera
- School of Life and Environmental Sciences, Faculty of Science, The University of Sydney Plant Breeding Institute, 107 Cobbitty Road, Cobbitty, NSW 2570, Australia
- Nabuin Zonal Agricultural Research and Development Institute, National Agricultural Research Organization, Moroto P.O. Box 132, Uganda
| | - Naeela Qureshi
- School of Life and Environmental Sciences, Faculty of Science, The University of Sydney Plant Breeding Institute, 107 Cobbitty Road, Cobbitty, NSW 2570, Australia
- International Maize and Wheat Improvement Center (CIMMYT), Carretera Mexico-Veracruz Km. 45, El Batan, Texcoco C.P. 56237, Mexico
| | - Jianbo Li
- School of Life and Environmental Sciences, Faculty of Science, The University of Sydney Plant Breeding Institute, 107 Cobbitty Road, Cobbitty, NSW 2570, Australia
| | - Mandeep Randhawa
- School of Life and Environmental Sciences, Faculty of Science, The University of Sydney Plant Breeding Institute, 107 Cobbitty Road, Cobbitty, NSW 2570, Australia
- International Maize and Wheat Improvement Center (CIMMYT), World Agroforestry Centre (ICRAF Campus), UN Avenue, Gigiri, Nairobi P.O. Box 1041-00621, Kenya
| | - Peng Zhang
- School of Life and Environmental Sciences, Faculty of Science, The University of Sydney Plant Breeding Institute, 107 Cobbitty Road, Cobbitty, NSW 2570, Australia
| | - Kerrie Forrest
- Agriculture Victoria, AgriBio, Centre for AgriBioscience, 5 Ring Rd., Bundoora, VIC 3083, Australia
| | - Urmil Bansal
- School of Life and Environmental Sciences, Faculty of Science, The University of Sydney Plant Breeding Institute, 107 Cobbitty Road, Cobbitty, NSW 2570, Australia
| | - Harbans Bariana
- School of Life and Environmental Sciences, Faculty of Science, The University of Sydney Plant Breeding Institute, 107 Cobbitty Road, Cobbitty, NSW 2570, Australia
- School of Science, Faculty of Science, Hawkesbury Campus, Western Sydney University, Richmond, NSW 2753, Australia
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Wu N, He Z, Fang J, Liu X, Shen X, Zhang J, Lei Y, Xia Y, He H, Liu W, Chu C, Wang C, Qi Z. Chromosome diversity in Dasypyrum villosum, an important genetic and trait resource for hexaploid wheat engineering. ANNALS OF BOTANY 2023; 131:185-198. [PMID: 35451455 PMCID: PMC9904354 DOI: 10.1093/aob/mcac054] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 04/20/2022] [Indexed: 05/25/2023]
Abstract
BACKGROUND AND AIMS Dasypyrum villosum (2n = 2x = 14) harbours potentially beneficial genes for hexaploid and tetraploid wheat improvement. Highly diversified chromosome variation exists among and within accessions due to its open-pollination nature. The wheat-D. villosum T6VS·6AL translocation was widely used in breeding mainly because gene Pm21 in the 6VS segment conferred high and lasting powdery mildew resistance. However, the widespread use of this translocation may narrow the genetic base of wheat. A better solution is to utilize diversified D. villosum accessions as the genetic source for wheat breeding. Analysis of cytological and genetic polymorphisms among D. villosum accessions also provides genetic evolution information on the species. Using cytogenetic and molecular tools we analysed genetic polymorphisms among D. villosum accessions and developed consensus karyotypes to assist the introgression of beneficial genes from D. villosum into wheat. METHODS A multiplex probe of repeats for FISH, GISH and molecular markers were used to detect chromosome polymorphisms among D. villosum accessions. Polymorphic signal block types, chromosome heterogeneity and heterozygosity, and chromosome polymorphic information content were used in genetic diversity analysis. KEY RESULTS Consensus karyotypes of D. villosum were developed, and the homoeologous statuses of individual D. villosum chromosomes relative to wheat were determined. Tandem repeat probes of pSc119.2, (GAA)10 and the AFA family produced high-resolution signals and not only showed different signal patterns in D. villosum chromosomes but also revealed the varied distribution of tandem repeats among chromosomes and accessions. A total of 106 polymorphic chromosomes were identified from 13 D. villosum accessions and high levels of chromosomal heterozygosity and heterogeneity were observed. A subset of 56 polymorphic chromosomes was transferred into durum wheat through wide crosses, and seven polymorphic chromosomes are described in two newly developed durum-D. villosum amphidiploids. CONCLUSIONS Consensus karyotypes of D. villosum and oligonucleotide FISH facilitated identification of polymorphic signal blocks and a high level of chromosomal heterozygosity and heterogeneity among D. villosum accessions, seen in newly developed amphiploids. The abundant genetic diversity of D. villosum and range of alleles, exploitable through interploid crosses, backcrosses and recombination (chromosome engineering), allow introduction of biotic and abiotic stress resistances into wheat, translating into increasing yield, end-use quality and crop sustainability.
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Affiliation(s)
- Nan Wu
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Ziming He
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Jiaxin Fang
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Xin Liu
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Xia Shen
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Juan Zhang
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Yanhong Lei
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Yating Xia
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Huagang He
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Wenxuan Liu
- College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Chenggen Chu
- USDA-ARS, Sugarbeet & Potato Research Unit, Fargo, ND 58102, USA
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Karelov A, Kozub N, Sozinova O, Pirko Y, Sozinov I, Yemets A, Blume Y. Wheat Genes Associated with Different Types of Resistance against Stem Rust ( Puccinia graminis Pers.). Pathogens 2022; 11:pathogens11101157. [PMID: 36297214 PMCID: PMC9608978 DOI: 10.3390/pathogens11101157] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/25/2022] [Accepted: 10/05/2022] [Indexed: 11/13/2022] Open
Abstract
Stem rust is one wheat's most dangerous fungal diseases. Yield losses caused by stem rust have been significant enough to cause famine in the past. Some races of stem rust are considered to be a threat to food security even nowadays. Resistance genes are considered to be the most rational environment-friendly and widely used way to control the spread of stem rust and prevent yield losses. More than 60 genes conferring resistance against stem rust have been discovered so far (so-called Sr genes). The majority of the Sr genes discovered have lost their effectiveness due to the emergence of new races of stem rust. There are some known resistance genes that have been used for over 50 years and are still effective against most known races of stem rust. The goal of this article is to outline the different types of resistance against stem rust as well as the effective and noneffective genes, conferring each type of resistance with a brief overview of their origin and usage.
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Affiliation(s)
- Anatolii Karelov
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123 Kyiv, Ukraine
- Institute of Plant Protection, National Academy of Agrarian Sciences of Ukraine, 03022 Kyiv, Ukraine
- Correspondence: (A.K.); (Y.B.)
| | - Natalia Kozub
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123 Kyiv, Ukraine
- Institute of Plant Protection, National Academy of Agrarian Sciences of Ukraine, 03022 Kyiv, Ukraine
| | - Oksana Sozinova
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123 Kyiv, Ukraine
- Institute of Plant Protection, National Academy of Agrarian Sciences of Ukraine, 03022 Kyiv, Ukraine
| | - Yaroslav Pirko
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123 Kyiv, Ukraine
| | - Igor Sozinov
- Institute of Plant Protection, National Academy of Agrarian Sciences of Ukraine, 03022 Kyiv, Ukraine
| | - Alla Yemets
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123 Kyiv, Ukraine
| | - Yaroslav Blume
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123 Kyiv, Ukraine
- Correspondence: (A.K.); (Y.B.)
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Wheat genomic study for genetic improvement of traits in China. SCIENCE CHINA. LIFE SCIENCES 2022; 65:1718-1775. [PMID: 36018491 DOI: 10.1007/s11427-022-2178-7] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 08/10/2022] [Indexed: 01/17/2023]
Abstract
Bread wheat (Triticum aestivum L.) is a major crop that feeds 40% of the world's population. Over the past several decades, advances in genomics have led to tremendous achievements in understanding the origin and domestication of wheat, and the genetic basis of agronomically important traits, which promote the breeding of elite varieties. In this review, we focus on progress that has been made in genomic research and genetic improvement of traits such as grain yield, end-use traits, flowering regulation, nutrient use efficiency, and biotic and abiotic stress responses, and various breeding strategies that contributed mainly by Chinese scientists. Functional genomic research in wheat is entering a new era with the availability of multiple reference wheat genome assemblies and the development of cutting-edge technologies such as precise genome editing tools, high-throughput phenotyping platforms, sequencing-based cloning strategies, high-efficiency genetic transformation systems, and speed-breeding facilities. These insights will further extend our understanding of the molecular mechanisms and regulatory networks underlying agronomic traits and facilitate the breeding process, ultimately contributing to more sustainable agriculture in China and throughout the world.
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Ma X, Chang Y, Chen J, Yu M, Wang B, Ye X, Lin Z. Development of wheat-Dasypyrum villosum T6V#4S·6AL translocation lines with enhanced inheritance for powdery mildew resistance. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2022; 135:2423-2435. [PMID: 35644815 DOI: 10.1007/s00122-022-04124-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 05/06/2022] [Indexed: 06/15/2023]
Abstract
New translocation lines with T6V#4S·6AL in the Ph1 and ph1b backgrounds were developed with improved inheritance of powdery mildew resistance. The wheat-Dasypyrum villosum T6V#4S·6DL translocation line Pm97033, which exhibits strong powdery mildew (PM) resistance, was developed many years ago, but has limited application in wheat breeding. One of the major reasons for this is that the translocation chromosome has low transmission rate, which makes it difficult to obtain ideal genotype through recombination with other elite agronomic traits in a limited segregating population. Further modifications are thus needed to make better use of this genetic resource. In this study, Pm97033 and the T6V#2S·6AL translocation line NY-W were hybridized with the CS ph1b mutant, and two F1 hybrids were hybridized with each other. Then, plants homozygous for the ph1b deletion carrying the alien chromosome arm(s) 6V#2S and 6V#4S were identified from the segregating populations using molecular markers. New T6V#4S·6AL and T6V#2-6V#4S·6AL translocations were identified by molecular markers and confirmed by genomic in situ hybridization (GISH). Individuals that were heterozygous or homozygous for the translocation chromosome in Ph1 and ph1b backgrounds were obtained. The ratio of PM resistance vs. susceptibility in the self-pollinated heterozygous plants was 3:1, and the phenotype was completely consistent with the KASP genotyping. Thus, the new translocation chromosomes had higher transmission rate than the original T6V#4S·6DL, and so can be effectively applied in breeding programs.
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Affiliation(s)
- Xiaolan Ma
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Yanan Chang
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Jingnan Chen
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Mei Yu
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Baicui Wang
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Xingguo Ye
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
- Key Laboratory of Ministry of Agriculture and Rural Affairs of China for Biology and Genetic Breeding of Triticeae Crops, Beijing, 100081, China.
| | - Zhishan Lin
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
- National Key Facility of Crop Gene Resources and Genetic Improvement, Beijing, 100081, China.
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Molecular Cytogenetic Identification of the Wheat–Dasypyrum villosum T3DL·3V#3S Translocation Line with Resistance against Stripe Rust. PLANTS 2022; 11:plants11101329. [PMID: 35631754 PMCID: PMC9145344 DOI: 10.3390/plants11101329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 05/08/2022] [Accepted: 05/10/2022] [Indexed: 11/17/2022]
Abstract
The annual species Dasypyrum villosum possesses several potentially valuable genes for the improvement of common wheat. Previously, we identified a new stripe rust-resistant line, the Chinese Spring (CS)–D. villosum 3V#3 (3D) substitution line (named CD-3), and mapped its potential rust resistance gene (designated as YrCD-3) on the 3V#3 chromosome originating from D. villosum. The objective of the present study was to further narrow down the YrCD-3 locus to a physical region and develop wheat-3V#3 introgression lines with strong stripe rust resistance. By treating CD-3 seeds with 60Co γ-irradiation, two CS-3V#3 translocation lines, T3V#3S.3DL and T3DS.3V#3L (termed 22-12 and 24-20, respectively), were identified from the M4 generation through a combination of non-denaturing fluorescence in situ hybridization (ND-FISH) and functional molecular markers. Stripe rust resistance tests showed that the line 22-12 exhibited strong stripe rust resistance similarly to CD-3, whereas 24-20 was susceptible to stripe rust similarly to CS, indicating that YrCD-3 is located on the short arm of 3V#3. The line 22-12 can potentially be used for further wheat improvement. Additionally, to trace 3V#3 in the wheat genetic background, we produced 30 3V#3-specific sequence tag (EST) markers, among which, 11 markers could identify 3V#3S. These markers could be valuable in fine-mapping YrCD-3.
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Huang Z, Qiao F, Yang B, Liu J, Liu Y, Wulff BBH, Hu P, Lv Z, Zhang R, Chen P, Xing L, Cao A. Genome-wide identification of the NLR gene family in Haynaldia villosa by SMRT-RenSeq. BMC Genomics 2022; 23:118. [PMID: 35144544 PMCID: PMC8832786 DOI: 10.1186/s12864-022-08334-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 01/24/2022] [Indexed: 01/19/2023] Open
Abstract
Background Nucleotide-binding and leucine-rich repeat (NLR) genes have attracted wide attention due to their crucial role in protecting plants from pathogens. SMRT-RenSeq, combining PacBio sequencing after resistance gene enrichment sequencing (RenSeq), is a powerful method for selectively capturing and sequencing full-length NLRs. Haynaldia villosa, a wild grass species with a proven potential for wheat improvement, confers resistance to multiple diseases. So, genome-wide identification of the NLR gene family in Haynaldia villosa by SMRT-RenSeq can facilitate disease resistance genes exploration. Results In this study, SMRT-RenSeq was performed to identify the genome-wide NLR complement of H. villosa. In total, 1320 NLRs were annotated in 1169 contigs, including 772 complete NLRs. All the complete NLRs were phylogenetically analyzed and 11 main clades with special characteristics were derived. NLRs could be captured with high efficiency when aligned with cloned R genes, and cluster expansion in some specific gene loci was observed. The physical location of NLRs to individual chromosomes in H. villosa showed a perfect homoeologous relationship with group 1, 2, 3, 5 and 6 of other Triticeae species, however, NLRs physically located on 4VL were largely in silico predicted to be located on the homoeologous group 7. Fifteen types of integrated domains (IDs) were integrated in 52 NLRs, and Kelch and B3 NLR-IDs were found to have expanded in H. villosa, while DUF948, NAM-associated and PRT_C were detected as unique integrated domains implying the new emergence of NLR-IDs after H. villosa diverged from other species. Conclusion SMRT-RenSeq is a powerful tool to identify NLR genes from wild species using the baits of the evolutionary related species with reference sequences. The availability of the NLRs from H. villosa provide a valuable library for R gene mining and transfer of disease resistance into wheat. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-022-08334-w.
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Affiliation(s)
- Zhenpu Huang
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/CIC-MCP, Nanjing, 210095, China
| | - Fangyuan Qiao
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/CIC-MCP, Nanjing, 210095, China
| | - Boming Yang
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/CIC-MCP, Nanjing, 210095, China
| | - Jiaqian Liu
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/CIC-MCP, Nanjing, 210095, China
| | - Yangqi Liu
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/CIC-MCP, Nanjing, 210095, China
| | - Brande B H Wulff
- John Innes Centre, Norwich Research Park, Norwich, NR4 7UH, UK.,Center for Desert Agriculture, Biological and Environmental Science and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Ping Hu
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/CIC-MCP, Nanjing, 210095, China
| | - Zengshuai Lv
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/CIC-MCP, Nanjing, 210095, China
| | - Ruiqi Zhang
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/CIC-MCP, Nanjing, 210095, China
| | - Peidu Chen
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/CIC-MCP, Nanjing, 210095, China
| | - Liping Xing
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/CIC-MCP, Nanjing, 210095, China.
| | - Aizhong Cao
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/CIC-MCP, Nanjing, 210095, China.
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10
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Zhao X, Fu X, Yin C, Lu F. Wheat speciation and adaptation: perspectives from reticulate evolution. ABIOTECH 2021; 2:386-402. [PMID: 36311810 PMCID: PMC9590565 DOI: 10.1007/s42994-021-00047-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 04/27/2021] [Indexed: 12/16/2022]
Abstract
Reticulate evolution through the interchanging of genetic components across organisms can impact significantly on the fitness and adaptation of species. Bread wheat (Triticum aestivum subsp. aestivum) is one of the most important crops in the world. Allopolyploid speciation, frequent hybridization, extensive introgression, and occasional horizontal gene transfer (HGT) have been shaping a typical paradigm of reticulate evolution in bread wheat and its wild relatives, which is likely to have a substantial influence on phenotypic traits and environmental adaptability of bread wheat. In this review, we outlined the evolutionary history of bread wheat and its wild relatives with a highlight on the interspecific hybridization events, demonstrating the reticulate relationship between species/subspecies in the genera Triticum and Aegilops. Furthermore, we discussed the genetic mechanisms and evolutionary significance underlying the introgression of bread wheat and its wild relatives. An in-depth understanding of the evolutionary process of Triticum species should be beneficial to future genetic study and breeding of bread wheat.
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Affiliation(s)
- Xuebo Zhao
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xiangdong Fu
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Changbin Yin
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
| | - Fei Lu
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
- CAS-JIC Centre of Excellence for Plant and Microbial Science (CEPAMS), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
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11
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Eltaher S, Mourad AMI, Baenziger PS, Wegulo S, Belamkar V, Sallam A. Identification and Validation of High LD Hotspot Genomic Regions Harboring Stem Rust Resistant Genes on 1B, 2A ( Sr38), and 7B Chromosomes in Wheat. Front Genet 2021; 12:749675. [PMID: 34659366 PMCID: PMC8517078 DOI: 10.3389/fgene.2021.749675] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 09/13/2021] [Indexed: 12/02/2022] Open
Abstract
Stem rust caused by Puccinia graminis f. sp. tritici Eriks. is an important disease of common wheat globally. The production and cultivation of genetically resistant cultivars are one of the most successful and environmentally friendly ways to protect wheat against fungal pathogens. Seedling screening and genome-wide association study (GWAS) were used to determine the genetic diversity of wheat genotypes obtained on stem rust resistance loci. At the seedling stage, the reaction of the common stem rust race QFCSC in Nebraska was measured in a set of 212 genotypes from F3:6 lines. The results indicated that 184 genotypes (86.8%) had different degrees of resistance to this common race. While 28 genotypes (13.2%) were susceptible to stem rust. A set of 11,911 single-nucleotide polymorphism (SNP) markers was used to perform GWAS which detected 84 significant marker-trait associations (MTAs) with SNPs located on chromosomes 1B, 2A, 2B, 7B and an unknown chromosome. Promising high linkage disequilibrium (LD) genomic regions were found in all chromosomes except 2B which suggested they include candidate genes controlling stem rust resistance. Highly significant LD was found among these 59 significant SNPs on chromosome 2A and 12 significant SNPs with an unknown chromosomal position. The LD analysis between SNPs located on 2A and Sr38 gene reveal high significant LD genomic regions which was previously reported. To select the most promising stem rust resistant genotypes, a new approach was suggested based on four criteria including, phenotypic selection, number of resistant allele(s), the genetic distance among the selected parents, and number of the different resistant allele(s) in the candidate crosses. As a result, 23 genotypes were considered as the most suitable parents for crossing to produce highly resistant stem rust genotypes against the QFCSC.
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Affiliation(s)
- Shamseldeen Eltaher
- Department of Plant Biotechnology, Genetic Engineering and Biotechnology Research Institute (GEBRI), University of Sadat City (USC), Sadat, Egypt
| | - Amira M I Mourad
- Department of Agronomy, Faculty of Agriculture, Assiut University, Assiut, Egypt
| | - P Stephen Baenziger
- Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE, United States
| | - Stephen Wegulo
- Department of Plant Pathology, University of Nebraska-Lincoln, Lincoln, NE, United States
| | - Vikas Belamkar
- Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE, United States
| | - Ahmed Sallam
- Department of Genetics, Faculty of Agriculture, Assiut University, Assiut, Egypt
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12
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Sharma JS, Overlander M, Faris JD, Klindworth DL, Rouse MN, Kang H, Long Y, Jin Y, Lagudah ES, Xu SS. Characterization of synthetic wheat line Largo for resistance to stem rust. G3 (BETHESDA, MD.) 2021; 11:6292116. [PMID: 34849816 PMCID: PMC8496286 DOI: 10.1093/g3journal/jkab193] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 05/17/2021] [Indexed: 12/02/2022]
Abstract
Resistance breeding is an effective approach against wheat stem rust caused by Puccinia graminis f. sp. tritici (Pgt). The synthetic hexaploid wheat line Largo (pedigree: durum wheat “Langdon” × Aegilops tauschii PI 268210) was found to have resistance to a broad spectrum of Pgt races including the Ug99 race group. To identify the stem rust resistance (Sr) genes, we genotyped a population of 188 recombinant inbred lines developed from a cross between the susceptible wheat line ND495 and Largo using the wheat Infinium 90 K SNP iSelect array and evaluated the population for seedling resistance to the Pgt races TTKSK, TRTTF, and TTTTF in the greenhouse conditions. Based on genetic linkage analysis using the marker and rust data, we identified six quantitative trait loci (QTL) with effectiveness against different races. Three QTL on chromosome arms 6AL, 2BL, and 2BS corresponded to Sr genes Sr13c, Sr9e, and a likely new gene from Langdon, respectively. Two other QTL from PI 268210 on 2DS and 1DS were associated with a potentially new allele of Sr46 and a likely new Sr gene, respectively. In addition, Sr7a was identified as the underlying gene for the 4AL QTL from ND495. Knowledge of the Sr genes in Largo will help to design breeding experiments aimed to develop new stem rust-resistant wheat varieties. Largo and its derived lines are particularly useful for introducing two Ug99-effective genes Sr13c and Sr46 into modern bread wheat varieties. The 90 K SNP-based high-density map will be useful for identifying the other important genes in Largo.
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Affiliation(s)
- Jyoti Saini Sharma
- Department of Plant Sciences, North Dakota State University, Fargo, ND 58108, USA
| | - Megan Overlander
- Cereal Crops Research Unit, Edward T. Schafer Agricultural Research Center, United States Department of Agriculture-Agricultural Research Service, Fargo, ND 58102, USA
| | - Justin D Faris
- Cereal Crops Research Unit, Edward T. Schafer Agricultural Research Center, United States Department of Agriculture-Agricultural Research Service, Fargo, ND 58102, USA
| | - Daryl L Klindworth
- Cereal Crops Research Unit, Edward T. Schafer Agricultural Research Center, United States Department of Agriculture-Agricultural Research Service, Fargo, ND 58102, USA
| | - Matthew N Rouse
- Cereal Disease Laboratory, United States Department of Agriculture-Agricultural Research Service and Department of Plant Pathology, University of Minnesota, Saint Paul, MN 55108, USA
| | - Houyang Kang
- Department of Plant Sciences, North Dakota State University, Fargo, ND 58108, USA.,Triticeae Research Institute, Sichuan Agricultural University, Sichuan 611130, China
| | - Yunming Long
- Department of Plant Sciences, North Dakota State University, Fargo, ND 58108, USA
| | - Yue Jin
- Cereal Disease Laboratory, United States Department of Agriculture-Agricultural Research Service and Department of Plant Pathology, University of Minnesota, Saint Paul, MN 55108, USA
| | - Evans S Lagudah
- Agriculture Flagship, Commonwealth Scientific and Industrial Research Organization, Canberra, ACT 2601, Australia
| | - Steven S Xu
- Department of Plant Sciences, North Dakota State University, Fargo, ND 58108, USA.,Cereal Crops Research Unit, Edward T. Schafer Agricultural Research Center, United States Department of Agriculture-Agricultural Research Service, Fargo, ND 58102, USA
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13
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Yu Z, Wang H, Jiang W, Jiang C, Yuan W, Li G, Yang Z. Karyotyping Dasypyrum breviaristatum chromosomes with multiple oligonucleotide probes reveals the genomic divergence in Dasypyrum. Genome 2021; 64:789-800. [PMID: 33513072 DOI: 10.1139/gen-2020-0147] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The perennial species Dasypyrum breviaristatum (genome Vb) contains many potentially valuable genes for the improvement of common wheat. Construction of a detailed karyotype of D. breviaristatum chromosomes will be useful for the detection of Dasypyrum chromatin in wheat background. We established the standard karyotype of 1Vb-7Vb chromosomes through nondenaturing fluorescence in situ hybridization (ND-FISH) technique using 28 oligonucleotide probes from the wheat - D. breviaristatum partial amphiploid TDH-2 (AABBVbVb) and newly identified wheat - D. breviaristatum disomic translocation and addition lines D2138 (6VbS.2VbL), D2547 (4Vb), and D2532 (3VbS.6VbL) by comparative molecular marker analysis. The ND-FISH with multiple oligo probes was conducted on the durum wheat - D. villosum amphiploid TDV-1 and large karyotype differences between D. breviaristatum and D. villosum was revealed. These ND-FISH probes will be valuable for screening the wheat - Dasypyrum derivative lines for chromosome identification, and the newly developed wheat - D. breviaristatum addition lines may broaden the gene pool of wheat breeding. The differences between D. villosum and D. breviaristatum chromosomes revealed by ND-FISH will help us understand evolutionary divergence of repetitive sequences within the genus Dasypyrum.
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Affiliation(s)
- Zhihui Yu
- Center for Informational Biology, School of Life Science and Technology, University of Electronic and Technology of China, Chengdu 611731, China.,Center for Informational Biology, School of Life Science and Technology, University of Electronic and Technology of China, Chengdu 611731, China
| | - Hongjin Wang
- Center for Informational Biology, School of Life Science and Technology, University of Electronic and Technology of China, Chengdu 611731, China.,Center for Informational Biology, School of Life Science and Technology, University of Electronic and Technology of China, Chengdu 611731, China
| | - Wenxi Jiang
- Center for Informational Biology, School of Life Science and Technology, University of Electronic and Technology of China, Chengdu 611731, China.,Center for Informational Biology, School of Life Science and Technology, University of Electronic and Technology of China, Chengdu 611731, China
| | - Chengzhi Jiang
- Center for Informational Biology, School of Life Science and Technology, University of Electronic and Technology of China, Chengdu 611731, China.,Center for Informational Biology, School of Life Science and Technology, University of Electronic and Technology of China, Chengdu 611731, China
| | - Weiguang Yuan
- Center for Informational Biology, School of Life Science and Technology, University of Electronic and Technology of China, Chengdu 611731, China.,Center for Informational Biology, School of Life Science and Technology, University of Electronic and Technology of China, Chengdu 611731, China
| | - Guangrong Li
- Center for Informational Biology, School of Life Science and Technology, University of Electronic and Technology of China, Chengdu 611731, China.,Center for Informational Biology, School of Life Science and Technology, University of Electronic and Technology of China, Chengdu 611731, China
| | - Zujun Yang
- Center for Informational Biology, School of Life Science and Technology, University of Electronic and Technology of China, Chengdu 611731, China.,Center for Informational Biology, School of Life Science and Technology, University of Electronic and Technology of China, Chengdu 611731, China
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14
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Babu P, Baranwal DK, Harikrishna, Pal D, Bharti H, Joshi P, Thiyagarajan B, Gaikwad KB, Bhardwaj SC, Singh GP, Singh A. Application of Genomics Tools in Wheat Breeding to Attain Durable Rust Resistance. FRONTIERS IN PLANT SCIENCE 2020; 11:567147. [PMID: 33013989 PMCID: PMC7516254 DOI: 10.3389/fpls.2020.567147] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 08/12/2020] [Indexed: 11/13/2023]
Abstract
Wheat is an important source of dietary protein and calories for the majority of the world's population. It is one of the largest grown cereal in the world occupying over 215 M ha. Wheat production globally is challenged by biotic stresses such as pests and diseases. Of the 50 diseases of wheat that are of economic importance, the three rust diseases are the most ubiquitous causing significant yield losses in the majority of wheat production environments. Under severe epidemics they can lead to food insecurity threats amid the continuous evolution of new races of the pathogens, shifts in population dynamics and their virulence patterns, thereby rendering several effective resistance genes deployed in wheat breeding programs vulnerable. This emphasizes the need to identify, characterize, and deploy effective rust-resistant genes from diverse sources into pre-breeding lines and future wheat varieties. The use of genetic resistance has been marked as eco-friendly and to curb the further evolution of rust pathogens. Deployment of multiple rust resistance genes including major and minor genes in wheat lines could enhance the durability of resistance thereby reducing pathogen evolution. Advances in next-generation sequencing (NGS) platforms and associated bioinformatics tools have revolutionized wheat genomics. The sequence alignment of the wheat genome is the most important landmark which will enable genomics to identify marker-trait associations, candidate genes and enhanced breeding values in genomic selection (GS) studies. High throughput genotyping platforms have demonstrated their role in the estimation of genetic diversity, construction of the high-density genetic maps, dissecting polygenic traits, and better understanding their interactions through GWAS (genome-wide association studies) and QTL mapping, and isolation of R genes. Application of breeder's friendly KASP assays in the wheat breeding program has expedited the identification and pyramiding of rust resistance alleles/genes in elite lines. The present review covers the evolutionary trends of the rust pathogen and contemporary wheat varieties, and how these research strategies galvanized to control the wheat killer genus Puccinia. It will also highlight the outcome and research impact of cost-effective NGS technologies and cloning of rust resistance genes amid the public availability of common and tetraploid wheat reference genomes.
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Affiliation(s)
- Prashanth Babu
- Indian Agricultural Research Institute (ICAR), New Delhi, India
| | | | - Harikrishna
- Indian Agricultural Research Institute (ICAR), New Delhi, India
| | - Dharam Pal
- Indian Agricultural Research Institute (ICAR), New Delhi, India
| | - Hemlata Bharti
- Directorate of Medicinal and Aromatic Plants Research (ICAR), Anand, India
| | - Priyanka Joshi
- Department of Plant Pathology, Washington State University, Pullman, WA, United States
| | | | | | | | | | - Anupam Singh
- DCM SHRIRAM-Bioseed Research India, ICRISAT, Hyderabad, India
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15
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Development of oligonucleotide probes for FISH karyotyping in Haynaldia villosa, a wild relative of common wheat. ACTA ACUST UNITED AC 2020. [DOI: 10.1016/j.cj.2020.02.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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16
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Hao M, Zhang L, Ning S, Huang L, Yuan Z, Wu B, Yan Z, Dai S, Jiang B, Zheng Y, Liu D. The Resurgence of Introgression Breeding, as Exemplified in Wheat Improvement. FRONTIERS IN PLANT SCIENCE 2020; 11:252. [PMID: 32211007 PMCID: PMC7067975 DOI: 10.3389/fpls.2020.00252] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 02/18/2020] [Indexed: 05/21/2023]
Abstract
Breeding progress in most crops has relied heavily on the exploitation of variation within the species' primary gene pool, a process which is destined to fail once the supply of novel variants has been exhausted. Accessing a crop's secondary gene pool, as represented by its wild relatives, has the potential to greatly expand the supply of usable genetic variation. The crop in which this approach has been most strongly championed is bread wheat (Triticum aestivum), a species which is particularly tolerant of the introduction of chromosomal segments of exotic origin thanks to the genetic buffering afforded by its polyploid status. While the process of introgression can be in itself cumbersome, a larger problem is that linkage drag and/or imperfect complementation frequently impose a yield and/or quality penalty, which explains the reluctance of breeders to introduce such materials into their breeding populations. Thanks to the development of novel strategies to induce introgression and of genomic tools to facilitate the selection of desirable genotypes, introgression breeding is returning as a mainstream activity, at least in wheat. Accessing variation present in progenitor species has even been able to drive genetic advance in grain yield. The current resurgence of interest in introgression breeding can be expected to result in an increased deployment of exotic genes in commercial wheat cultivars.
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Affiliation(s)
- Ming Hao
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Ya’an, China
- Triticeae Research Institute, Sichuan Agricultural University, Ya’an, China
| | - Lianquan Zhang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Ya’an, China
- Triticeae Research Institute, Sichuan Agricultural University, Ya’an, China
| | - Shunzong Ning
- Triticeae Research Institute, Sichuan Agricultural University, Ya’an, China
| | - Lin Huang
- Triticeae Research Institute, Sichuan Agricultural University, Ya’an, China
| | - Zhongwei Yuan
- Triticeae Research Institute, Sichuan Agricultural University, Ya’an, China
| | - Bihua Wu
- Triticeae Research Institute, Sichuan Agricultural University, Ya’an, China
| | - Zehong Yan
- Triticeae Research Institute, Sichuan Agricultural University, Ya’an, China
| | - Shoufen Dai
- Triticeae Research Institute, Sichuan Agricultural University, Ya’an, China
| | - Bo Jiang
- Triticeae Research Institute, Sichuan Agricultural University, Ya’an, China
| | - Youliang Zheng
- Triticeae Research Institute, Sichuan Agricultural University, Ya’an, China
| | - Dengcai Liu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Ya’an, China
- Triticeae Research Institute, Sichuan Agricultural University, Ya’an, China
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17
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Bazhenov M, Chernook A, Kroupin P, Karlov G, Divashuk M. Molecular Characterization of the Dwarf53 Gene Homolog in Dasypyrum villosum. PLANTS 2020; 9:plants9020186. [PMID: 32028730 PMCID: PMC7076371 DOI: 10.3390/plants9020186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 01/24/2020] [Accepted: 02/01/2020] [Indexed: 11/16/2022]
Abstract
The Dwarf53 (D53) gene, first studied in rice, encodes a protein that acts as a repressor of the physiological response of plants to strigolactones—substances that regulate the activity of axillary buds, stem growth, branching of roots and other physiological processes. In this work, we isolated and sequenced the homolog of the D53 gene in several accessions of the wild grass Dasypyrum villosum of different geographical origins, resulting in the discovery of large allelic variety. A molecular marker was also created that allows us to differentiate the D. villosum D53 gene from common wheat genes. Using this marker and monosomic addition, substitution and translocation wheat lines carrying the known D. villosum chromosomes, the D53 gene was localized on the long arm of the 5V chromosome.
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Affiliation(s)
- Mikhail Bazhenov
- Laboratory of Applied Genomics and Crop Breeding, All-Russia Research Institute of Agricultural Biotechnology, Timiryazevskaya street, 42, 127550 Moscow, Russia; (A.C.); (P.K.); (G.K.); (M.D.)
- Correspondence:
| | - Anastasiya Chernook
- Laboratory of Applied Genomics and Crop Breeding, All-Russia Research Institute of Agricultural Biotechnology, Timiryazevskaya street, 42, 127550 Moscow, Russia; (A.C.); (P.K.); (G.K.); (M.D.)
- Kurchatov Genomics Center of All-Russia Research Institute of Agricultural Biotechnology, Timiryazevskaya str. 42, 127550 Moscow, Russia
| | - Pavel Kroupin
- Laboratory of Applied Genomics and Crop Breeding, All-Russia Research Institute of Agricultural Biotechnology, Timiryazevskaya street, 42, 127550 Moscow, Russia; (A.C.); (P.K.); (G.K.); (M.D.)
- Kurchatov Genomics Center of All-Russia Research Institute of Agricultural Biotechnology, Timiryazevskaya str. 42, 127550 Moscow, Russia
| | - Gennady Karlov
- Laboratory of Applied Genomics and Crop Breeding, All-Russia Research Institute of Agricultural Biotechnology, Timiryazevskaya street, 42, 127550 Moscow, Russia; (A.C.); (P.K.); (G.K.); (M.D.)
| | - Mikhail Divashuk
- Laboratory of Applied Genomics and Crop Breeding, All-Russia Research Institute of Agricultural Biotechnology, Timiryazevskaya street, 42, 127550 Moscow, Russia; (A.C.); (P.K.); (G.K.); (M.D.)
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18
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Kosgey ZC, Edae EA, Dill-Macky R, Jin Y, Bulbula WD, Gemechu A, Macharia G, Bhavani S, Randhawa MS, Rouse MN. Mapping and Validation of Stem Rust Resistance Loci in Spring Wheat Line CI 14275. FRONTIERS IN PLANT SCIENCE 2020; 11:609659. [PMID: 33510752 PMCID: PMC7835402 DOI: 10.3389/fpls.2020.609659] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 12/08/2020] [Indexed: 05/22/2023]
Abstract
Stem rust caused by Puccinia graminis f. sp. tritici (Pgt) remains a constraint to wheat production in East Africa. In this study, we characterized the genetics of stem rust resistance, identified QTLs, and described markers associated with stem rust resistance in the spring wheat line CI 14275. The 113 recombinant inbred lines, together with their parents, were evaluated at the seedling stage against Pgt races TTKSK, TRTTF, TPMKC, TTTTF, and RTQQC. Screening for resistance to Pgt races in the field was undertaken in Kenya, Ethiopia, and the United States in 2016, 2017, and 2018. One gene conferred seedling resistance to race TTTTF, likely Sr7a. Three QTL were identified that conferred field resistance. QTL QSr.cdl-2BS.2, that conferred resistance in Kenya and Ethiopia, was validated, and the marker Excalibur_c7963_1722 was shown to have potential to select for this QTL in marker-assisted selection. The QTL QSr.cdl-3B.2 is likely Sr12, and QSr.cdl-6A appears to be a new QTL. This is the first study to both detect and validate an adult plant stem rust resistance QTL on chromosome arm 2BS. The combination of field QTL QSr.cdl-2BS.2, QSr.cdl-3B.2, and QSr.cdl-6A has the potential to be used in wheat breeding to improve stem rust resistance of wheat varieties.
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Affiliation(s)
- Zennah C. Kosgey
- Kenya Agricultural and Livestock Research Organization, Njoro, Kenya
- Department of Plant Pathology, University of Minnesota, Saint Paul, MN, United States
- *Correspondence: Zennah C. Kosgey,
| | - Erena A. Edae
- Department of Plant Pathology, University of Minnesota, Saint Paul, MN, United States
| | - Ruth Dill-Macky
- Department of Plant Pathology, University of Minnesota, Saint Paul, MN, United States
| | - Yue Jin
- 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
| | - Worku Denbel Bulbula
- Department of Plant Pathology, University of Minnesota, Saint Paul, MN, United States
- Debre Zeit Agricultural Research Center, Ethiopian Institute of Agricultural Research, Bishoftu, Ethiopia
| | - Ashenafi Gemechu
- Debre Zeit Agricultural Research Center, Ethiopian Institute of Agricultural Research, Bishoftu, Ethiopia
| | - Godwin Macharia
- Kenya Agricultural and Livestock Research Organization, Njoro, Kenya
| | - Sridhar Bhavani
- International Maize and Wheat Improvement Center (CIMMYT), Texcoco, Mexico
| | | | - 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
- Matthew N. Rouse,
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19
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Dai K, Zhao R, Shi M, Xiao J, Yu Z, Jia Q, Wang Z, Yuan C, Sun H, Cao A, Zhang R, Chen P, Li Y, Wang H, Wang X. Dissection and cytological mapping of chromosome arm 4VS by the development of wheat-Haynaldia villosa structural aberration library. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2020; 133:217-226. [PMID: 31587088 DOI: 10.1007/s00122-019-03452-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 09/28/2019] [Indexed: 05/19/2023]
Abstract
A cytological map of Haynaldia villosa chromosome arm 4VS was constructed to facilitate the identification and utilization of beneficial genes on 4VS. Induction of wheat-alien chromosomal structure aberrations not only provides new germplasm for wheat improvement, but also allows assignment of favorable genes to define physical regions. Especially, the translocation or introgression lines carrying alien chromosomal fragments with different sizes are useful for breeding and alien gene mapping. Chromosome arm 4VS of Haynaldia villosa (L.) Schur (syn. Dasypyrum villosum (L.) P. Candargy) confers resistances to eyespot and wheat yellow mosaic virus (WYMV). In this research, we used both irradiation and the pairing homoeologous gene (Ph) mutant to induce chromosomal aberrations or translocations. By using the two approaches, a structural aberration library of chromosome arm 4VS was constructed. In this library, there are 57 homozygous structural aberrations, in which, 39 were induced by the Triticum aestivum cv. Chinese Spring (CS) ph1b mutant (CS ph1b) and 18 were induced by irradiation. The aberrations included four types, i.e., terminal translocation, interstitial translocation, deletion and complex structural aberration. The 4VS cytological map was constructed by amplification in the developed homozygous aberrations using 199 4VS-specific markers, which could be allocated into 39 bins on 4VS. These bins were further assigned to their corresponding physical regions of chromosome arm 4DS based on BLASTn search of the marker sequences against the reference sequence of Aegilops tauschii Cosson. The developed genetic stocks and cytological map provide genetic stocks for wheat breeding as well as alien gene tagging.
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Affiliation(s)
- Keli Dai
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing, 210095, Jiangsu, China
| | - Renhui Zhao
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing, 210095, Jiangsu, China
| | - Miaomiao Shi
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing, 210095, Jiangsu, China
| | - Jin Xiao
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing, 210095, Jiangsu, China
| | - Zhongyu Yu
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing, 210095, Jiangsu, China
| | - Qi Jia
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing, 210095, Jiangsu, China
| | - Zongkuan Wang
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing, 210095, Jiangsu, China
| | - Chunxia Yuan
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing, 210095, Jiangsu, China
| | - Haojie Sun
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing, 210095, Jiangsu, China
| | - Aizhong Cao
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing, 210095, Jiangsu, China
| | - Ruiqi Zhang
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing, 210095, Jiangsu, China
| | - Peidu Chen
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing, 210095, Jiangsu, China
| | - Yingbo Li
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing, 210095, Jiangsu, China
| | - Haiyan Wang
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing, 210095, Jiangsu, China
| | - Xiue Wang
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing, 210095, Jiangsu, China.
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Li H, Dong Z, Ma C, Tian X, Qi Z, Wu N, Friebe B, Xiang Z, Xia Q, Liu W, Li T. Physical Mapping of Stem Rust Resistance Gene Sr52 from Dasypyrum villosum Based on ph1b-Induced Homoeologous Recombination. Int J Mol Sci 2019; 20:ijms20194887. [PMID: 31581639 PMCID: PMC6801782 DOI: 10.3390/ijms20194887] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 09/30/2019] [Accepted: 10/01/2019] [Indexed: 11/16/2022] Open
Abstract
Wheat stem rust caused by Puccinia graminis f. sp. tritici (Pgt) had been a devastating foliar disease worldwide during the 20th century. With the emergence of Ug99 races, which are virulent to most stem rust resistance genes deployed in wheat varieties and advanced lines, stem rust has once again become a disease threatening global wheat production. Sr52, derived from Dasypyrum villosum and mapped to the long arm of 6V#3, is one of the few effective genes against Ug99 races. In this study, the wheat-D. villosum Robertsonian translocation T6AS·6V#3L, the only stock carrying Sr52 released to experimental and breeding programs so far, was crossed with a CS ph1b mutant to induce recombinants with shortened 6V#3L chromosome segments locating Sr52. Six independent homozygous recombinants with different segment sizes and breakpoints were developed and characterized using in situ hybridization and molecular markers analyses. Stem rust resistance evaluation showed that only three terminal recombinants (1381, 1380, and 1392) containing 8%, 22%, and 30% of the distal segment of 6V#3L, respectively, were resistant to stem rust. Thus, the gene Sr52 was mapped into 6V#3L bin FL 0.92-1.00. In addition, three molecular markers in the Sr52-located interval of 6V#3L were confirmed to be diagnostic markers for selection of Sr52 introgressed into common wheat. The newly developed small segment translocation lines with Sr52 and the identified molecular markers closely linked to Sr52 will be valuable for wheat disease breeding.
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Affiliation(s)
- Huanhuan Li
- College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China.
| | - Zhenjie Dong
- College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China.
| | - Chao Ma
- College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China.
| | - Xiubin Tian
- College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China.
| | - Zengjun Qi
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China.
| | - Nan Wu
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China.
| | - Bernd Friebe
- Wheat Genetic and Genomic Resources Center, Department of Plant Pathology, Throckmorton Plant Sciences Center, Kansas State University, Manhattan, KS 66506-5502, USA.
| | - Zhiguo Xiang
- Henan Academy of Agricultural Sciences, Zhengzhou 450002, China.
| | - Qing Xia
- College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China.
| | - Wenxuan Liu
- College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China.
| | - Tianya Li
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110000, China.
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21
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Wang H, Yu Z, Li G, Yang Z. Diversified Chromosome Rearrangements Detected in a Wheat‒ Dasypyrum breviaristatum Substitution Line Induced by Gamma-Ray Irradiation. PLANTS 2019; 8:plants8060175. [PMID: 31207944 PMCID: PMC6630480 DOI: 10.3390/plants8060175] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 06/09/2019] [Accepted: 06/13/2019] [Indexed: 01/18/2023]
Abstract
To determine the composition of chromosome aberrations in a wheat‒Dasypyrum breviaristatum substitution line with seeds treated by a dose of gamma-rays (200 Gy), sequential non-denaturing fluorescence in situ hybridization (ND-FISH) with multiple oligonucleotide probes was used to screen individual plants of the mutagenized progenies. We identified 122 types of chromosome rearrangements, including centromeric, telomeric, and intercalary chromosome translocations from a total of 772 M1 and 872 M2 plants. The frequency of reciprocal translocations between B- and D-chromosomes was higher than that between A- and D-chromosomes. Eight translocations between D. breviaristatum and wheat chromosomes were also detected. The 13 stable plants with multiple chromosome translocations displayed novel agronomic traits. The newly developed materials will enhance wheat breeding programs through wheat‒Dasypyrum introgression and also facilitate future studies on the genetic and epigenetic effects of translocations in wheat genomics.
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Affiliation(s)
- Hongjin Wang
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, China.
| | - Zhihui Yu
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, China.
| | - Guangrong Li
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, China.
| | - Zujun Yang
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, China.
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22
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Djanaguiraman M, Prasad PVV, Kumari J, Sehgal SK, Friebe B, Djalovic I, Chen Y, Siddique KHM, Gill BS. Alien chromosome segment from Aegilops speltoides and Dasypyrum villosum increases drought tolerance in wheat via profuse and deep root system. BMC PLANT BIOLOGY 2019; 19:242. [PMID: 31174465 PMCID: PMC6554880 DOI: 10.1186/s12870-019-1833-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Accepted: 05/15/2019] [Indexed: 06/04/2023]
Abstract
BACKGROUND Recurrent drought associated with climate change is a major constraint to wheat (Triticum aestivum L.) productivity. This study aimed to (i) quantify the effects of addition/substitution/translocation of chromosome segments from wild relatives of wheat on the root, physiological and yield traits of hexaploid wheat under drought, and (ii) understand the mechanism(s) associated with drought tolerance or susceptibility in wheat-alien chromosome lines. METHODS A set of 48 wheat-alien chromosome lines (addition/substitution/translocation lines) with Chinese Spring background were used. Seedling root traits were studied on solid agar medium. To understand the influence of drought on the root system of adult plants, these 48 lines were grown in 150-cm columns for 65 d under full irrigation or withholding water for 58 d. To quantify the effect of drought on physiological and yield traits, the 48 lines were grown in pots under full irrigation until anthesis; after that, half of the plants were drought stressed by withholding water for 16 d before recording physiological and yield-associated traits. RESULTS The alien chromosome lines exhibited altered root architecture and decreased photochemical efficiency and seed yield and its components under drought. The wheat-alien chromosome lines T5DS·5S#3L (TA5088) with a chromosome segment from Aegilops speltoides (5S) and T5DL.5 V#3S (TA5638) with a chromosome segment from Dasypyrum villosum (5 V) were identified as drought tolerant, and the drought tolerance mechanism was associated with a deep, thin and profuse root system. CONCLUSIONS The two germplasm lines (TA5088 and TA5638) could be used in wheat breeding programs to improve drought tolerance in wheat and understand the underlying molecular genetic mechanisms of root architecture and drought tolerance.
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Affiliation(s)
- M Djanaguiraman
- Department of Agronomy, Kansas State University, Manhattan, Kansas, 66506, USA
- Department of Crop Physiology, Tamil Nadu Agricultural University, Coimbatore, 641 003, India
| | - P V V Prasad
- Department of Agronomy, Kansas State University, Manhattan, Kansas, 66506, USA.
| | - J Kumari
- ICAR-National Bureau of Plant Genetic Resources, ICAR, New Delhi, 110 012, India
| | - S K Sehgal
- Department of Agronomy, Horticulture and Plant Science, South Dakota State University, Brookings, SD, 57007, USA
| | - B Friebe
- Wheat Genetic Resource Center, Department of Plant Pathology, Kansas State University, Manhattan, Kansas, 66506, USA
| | - I Djalovic
- Institute of Field and Vegetable Crops, Novi Sad, Serbia
| | - Y Chen
- The UWA Institute of Agriculture and School of Agriculture and Environment, The University of Western Australia, Perth, WA, 6009, Australia
| | - K H M Siddique
- The UWA Institute of Agriculture and School of Agriculture and Environment, The University of Western Australia, Perth, WA, 6009, Australia
| | - B S Gill
- Wheat Genetic Resource Center, Department of Plant Pathology, Kansas State University, Manhattan, Kansas, 66506, USA
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23
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Ando K, Krishnan V, Rynearson S, Rouse MN, Danilova T, Friebe B, See D, Pumphrey MO. Introgression of a Novel Ug99-Effective Stem Rust Resistance Gene into Wheat and Development of Dasypyrum villosum Chromosome-Specific Markers via Genotyping-by-Sequencing (GBS). PLANT DISEASE 2019; 103:1068-1074. [PMID: 31063029 DOI: 10.1094/pdis-05-18-0831-re] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Dasypyrum villosum is a wild relative of common wheat (Triticum aestivum L.) with resistance to Puccinia graminis f. tritici, the causal agent of stem rust, including the highly virulent race TTKSK (Ug99). In order to transfer resistance, T. durum-D. villosum amphiploids were initially developed and used as a bridge to create wheat-D. villosum introgression lines. Conserved ortholog set (COS) markers were used to identify D. villosum chromosome introgression lines, which were then subjected to seedling P. graminis f. tritici resistance screening with race TTKSK. A COS marker-verified line carrying chromosome 2V with TTKSK resistance was further characterized by combined genomic in situ and fluorescent in situ analyses to confirm a monosomic substitution line MS2V(2D) (20″ + 1' 2V[2D]). This is the first report of stem rust resistance on 2V, which was temporarily designated as SrTA10276-2V. To facilitate the use of this gene in wheat improvement, a complete set of previously developed wheat-D. villosum disomic addition lines was subjected to genotyping-by-sequencing analysis to develop D. villosum chromosome-specific markers. On average, 350 markers per chromosome were identified. These markers can be used to develop diagnostic markers for D. villosum-derived genes of interest in wheat improvement.
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Affiliation(s)
- Kaori Ando
- 1 Department of Crop and Soil Sciences, Washington State University, Pullman, WA 99164
| | - Vandhana Krishnan
- 1 Department of Crop and Soil Sciences, Washington State University, Pullman, WA 99164
| | - Sheri Rynearson
- 1 Department of Crop and Soil Sciences, Washington State University, Pullman, WA 99164
| | - Matthew N Rouse
- 2 United States Department of Agriculture-Agricultural Research Service (USDA-ARS), Cereal Disease Laboratory and Department of Plant Pathology, University of Minnesota, St. Paul, MN 55108
| | - Tatiana Danilova
- 3 Wheat Genetics Resource Center, Kansas State University, Manhattan, KS 66506
| | - Bernd Friebe
- 3 Wheat Genetics Resource Center, Kansas State University, Manhattan, KS 66506
| | - Deven See
- 4 USDA-ARS, Western Regional Small Grains Genotyping Laboratory and Department of Plant Pathology, Washington State University, Pullman, WA 99164
| | - Michael O Pumphrey
- 1 Department of Crop and Soil Sciences, Washington State University, Pullman, WA 99164
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24
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Li S, Wang J, Wang K, Chen J, Wang K, Du L, Ni Z, Lin Z, Ye X. Development of PCR markers specific to Dasypyrum villosum genome based on transcriptome data and their application in breeding Triticum aestivum-D. villosum#4 alien chromosome lines. BMC Genomics 2019; 20:289. [PMID: 30987602 PMCID: PMC6466811 DOI: 10.1186/s12864-019-5630-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 03/20/2019] [Indexed: 11/10/2022] Open
Abstract
Background Dasypyrum villosum is an important wild species of wheat (Triticum aestivum L.) and harbors many desirable genes that can be used to improve various traits of wheat. Compared with other D. villosum accessions, D. villosum#4 still remains less studied. In particular, chromosomes of D. villosum#4 except 6V#4 have not been introduced into wheat by addition or substitution and translocation, which is an essential step to identify and apply the alien desired genes. RNA-seq technology can generate large amounts of transcriptome sequences and accelerate the development of chromosome-specific molecular markers and assisted selection of alien chromosome line. Results We obtained the transcriptome of D. villosum#4 via a high-throughput sequencing technique, and then developed 76 markers specific to each chromosome arm of D. villosum#4 based on the bioinformatic analysis of the transcriptome data. The D. villosum#4 sequences containing the specific DNA markers were expected to be involved in different genes, among which most had functions in metabolic processes. Consequently, we mapped these newly developed molecular markers to the homologous chromosome of barley and obtained the chromosome localization of these markers on barley genome. Then we analyzed the collinearity of these markers among D. villosum, wheat, and barley. In succession, we identified six types of T. aestivum-D. villosum#4 alien chromosome lines which had one or more than one D. villosum#4 chromosome in the cross and backcross BC3F5 populations between T. durum–D. villosum#4 amphidiploid TH3 and wheat cv. Wan7107 by employing the selected specific markers, some of which were further confirmed to be translocation or addition lines by genomic in situ hybridization (GISH). Conclusion Seventy-six PCR markers specific to chromosomes of D. villosum#4 based on transcriptome data were developed in the current study and their collinearity among D. villosum, wheat, and barley were carried out. Six types of Triticum aestivum-D. villosum#4 alien chromosome lines were identified by using 12 developed markers and some of which were further confirmed by GISH. These novel T. aestivum-D. villosum#4 chromosome lines have great potential to be used for the introduction of desirable genes from D. villosum#4 into wheat by chromosomal translocation to breed new wheat varieties. Electronic supplementary material The online version of this article (10.1186/s12864-019-5630-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Shijin Li
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.,College of Agronomy and Biotechnology/State Key Laboratory of Agrobiotechnology, Key Laboratory of Crop Heterosis and Utilization (MOE), Key Laboratory of Crop Genetic Improvement (Beijing Municipality), China Agricultural University, Beijing, 100193, China
| | - Jing Wang
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Kunyang Wang
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Jingnan Chen
- School of Plant Science and Technology, Beijing University of Agriculture, Beijing, 102206, China
| | - Ke Wang
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Lipu Du
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Zhongfu Ni
- College of Agronomy and Biotechnology/State Key Laboratory of Agrobiotechnology, Key Laboratory of Crop Heterosis and Utilization (MOE), Key Laboratory of Crop Genetic Improvement (Beijing Municipality), China Agricultural University, Beijing, 100193, China.
| | - Zhishan Lin
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China. .,National Key Facility of Crop Gene Resources and Genetic Improvement, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
| | - Xingguo Ye
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China. .,National Key Facility of Crop Gene Resources and Genetic Improvement, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
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25
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Zhang R, Fan Y, Kong L, Wang Z, Wu J, Xing L, Cao A, Feng Y. Pm62, an adult-plant powdery mildew resistance gene introgressed from Dasypyrum villosum chromosome arm 2VL into wheat. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2018; 131:2613-2620. [PMID: 30167758 DOI: 10.1007/s00122-018-3176-5] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 08/25/2018] [Indexed: 05/19/2023]
Abstract
Pm62, a novel adult-plant resistance (APR) gene against powdery mildew, was transferred from D. villosum into common wheat in the form of Robertsonian translocation T2BS.2VL#5. Powdery mildew, which is caused by the fungus Blumeria graminis f. sp. tritici, is a major disease of wheat resulting in substantial yield and quality losses in many wheat production regions of the world. Introgression of resistance from wild species into common wheat has application for controlling this disease. A Triticum durum-Dasypyrum villosum chromosome 2V#5 disomic addition line, N59B-1 (2n = 30), improved resistance to powdery mildew at the adult-plant stage, which was attributable to chromosome 2V#5. To transfer this resistance into bread wheat, a total of 298 BC1F1 plants derived from the crossing between N59B-1 and Chinese Spring were screened by combined genomic in situ hybridization and fluorescent in situ hybridization, 2V-specific marker analysis, and reaction to powdery mildew to confirm that a dominant adult-plant resistance gene, designated as Pm62, was located on chromosome 2VL#5. Subsequently, the 2VL#5 (2D) disomic substitution line (NAU1825) and the homozygous T2BS.2VL#5 Robertsonian translocation line (NAU1823), with normal plant vigor and full fertility, were identified by molecular and cytogenetic analyses of the BC1F2 generation. The effects of the T2BS.2VL#5 recombinant chromosome on agronomic traits were also evaluated in the F2 segregation population. The results suggest that the translocated chromosome may have no distinct effect on plant height, 1000-kernel weight or flowering period, but a slight effect on spike length and seeds per spike. The translocation line NAU1823 has being utilized as a novel germplasm in breeding for powdery mildew resistance, and the effects of the T2BS.2VL#5 recombinant chromosome on yield-related and flour quality characters will be further assessed.
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Affiliation(s)
- Ruiqi Zhang
- College of Agronomy/JCIC-MCP/National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China.
| | - Yali Fan
- College of Agronomy/JCIC-MCP/National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
| | - Lingna Kong
- College of Agronomy/JCIC-MCP/National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
| | - Zuojun Wang
- College of Agronomy/JCIC-MCP/National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
| | - Jizhong Wu
- Institute of Germplasm Resources and Biotechnology/Provincial Key Laboratory of Agrobiology, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, People's Republic of China
| | - Liping Xing
- College of Agronomy/JCIC-MCP/National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
| | - Aizhong Cao
- College of Agronomy/JCIC-MCP/National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
| | - Yigao Feng
- College of Agronomy/JCIC-MCP/National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China
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Randhawa MS, Singh RP, Dreisigacker S, Bhavani S, Huerta-Espino J, Rouse MN, Nirmala J, Sandoval-Sanchez M. Identification and Validation of a Common Stem Rust Resistance Locus in Two Bi-parental Populations. FRONTIERS IN PLANT SCIENCE 2018; 9:1788. [PMID: 30555507 PMCID: PMC6283910 DOI: 10.3389/fpls.2018.01788] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 11/16/2018] [Indexed: 05/28/2023]
Abstract
Races belonging to Ug99 lineage of stem rust fungus Puccinia graminis f. sp. tritici (Pgt) continue to pose a threat to wheat (Triticum aestivum L.) production in various African countries. Growing resistant varieties is the most economical and environmentally friendly control measure. Recombinant inbred line (RIL) populations from the crosses of susceptible parent 'Cacuke' with the resistant parents 'Huhwa' and 'Yaye' were phenotyped for resistance at the seedling stage to Pgt race TTKSK (Ug99) and in adult plants in field trials at Njoro, Kenya for two seasons in 2016. Using the Affymetrix Axiom breeders SNP array, two stem rust resistance genes, temporarily designated as SrH and SrY, were identified and mapped on chromosome arm 2BL through selective genotyping and bulked segregant analysis (BSA), respectively. Kompetitive allele specific polymorphism (KASP) markers and simple sequence repeat (SSR) markers were used to saturate chromosome arm 2BL in both RIL populations. SrH mapped between markers cim109 and cim114 at a distance of 0.9 cM proximal, and cim117 at 2.9 cM distal. SrY was flanked by markers cim109 and cim116 at 0.8 cM proximal, and IWB45932 at 1.9 cM distal. Two Ug99-effective stem rust resistance genes derived from bread wheat, Sr9h and Sr28, have been reported on chromosome arm 2BL. Infection types and map position in Huhwa and Yaye indicated that Sr28 was absent in both the parents. However, susceptible reactions produced by resistant lines from both populations against Sr9h-virulent race TTKSF+ confirmed the presence of a common resistance locus Sr9h in both lines. Test of allelism is required to establish genetic relationships between genes identified in present study and Sr9h. Marker cim117 linked to SrH was genotyped on set of wheat lines with Huhwa in the pedigree and is advised to be used for marker assisted selection for this gene, however, a combination of phenotypic and genotypic assays is desirable for both genes especially for selection of Sr9h in breeding programs.
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Affiliation(s)
| | - Ravi P. Singh
- International Maize and Wheat Improvement Center (CIMMYT), Mexico City, Mexico
| | | | - Sridhar Bhavani
- International Maize and Wheat Improvement Center (CIMMYT), Mexico City, Mexico
| | | | - Matthew N. Rouse
- Cereal Disease Laboratory, United States Department of Agriculture-Agricultural Research Service, St. Paul, MN, United States
| | - Jayaveeramuthu Nirmala
- Cereal Disease Laboratory, United States Department of Agriculture-Agricultural Research Service, St. Paul, MN, United States
| | - Maricarmen Sandoval-Sanchez
- International Maize and Wheat Improvement Center (CIMMYT), Mexico City, Mexico
- Colegio de Postgraduados, Texcoco, Mexico
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Wang H, Yu Z, Li B, Lang T, Li G, Yang Z. Characterization of New Wheat-Dasypyrum breviaristatum Introgression Lines with Superior Gene(s) for Spike Length and Stripe Rust Resistance. Cytogenet Genome Res 2018; 156:117-125. [PMID: 30308502 DOI: 10.1159/000493562] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/12/2018] [Indexed: 01/16/2023] Open
Abstract
Dasypyrum breviaristatum (genome VbVb) contains potentially important traits for commercial wheat production. Chromosome 2Vb of D. breviaristatum carries several desirable agronomic characters, including long spike length as well as enhanced resistance to stripe rust, which are expressed in a common wheat background. In this study, wheat-D. breviaristatum 2Vb deletion lines were produced and identified by fluorescence in situ hybridization (FISH), and 74 molecular markers specific to D. breviaristatum chromosome 2Vb were physically localized in 4 distinct chromosomal regions. New wheat-D. breviaristatum 2Vb translocation lines were also characterized by FISH. The breakpoint of the translocation T3AS.3AL-2VbS was determined by physically mapped molecular markers. Field evaluation revealed that genes affecting plant height and spike length are located on fraction length (FL) 0.65-1.00 of 2VbS, while the stripe rust resistance gene(s) are located on FL 0.40-1.00 of D. breviaristatum chromosome 2VbL. The newly characterized wheat-Dasypyrum chromosomal introgressions are of potential value for the improvement of the yield and disease resistance of wheat.
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28
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Sun H, Song J, Lei J, Song X, Dai K, Xiao J, Yuan C, An S, Wang H, Wang X. Construction and application of oligo-based FISH karyotype of Haynaldia villosa. J Genet Genomics 2018; 45:463-466. [PMID: 30170984 DOI: 10.1016/j.jgg.2018.06.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 05/30/2018] [Accepted: 06/19/2018] [Indexed: 01/20/2023]
Affiliation(s)
- Haojie Sun
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing 210095, China
| | - Jingjing Song
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing 210095, China
| | - Jia Lei
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing 210095, China
| | - Xinying Song
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing 210095, China
| | - Keli Dai
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing 210095, China
| | - Jin Xiao
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing 210095, China
| | - Chunxia Yuan
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing 210095, China
| | - Shengmin An
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing 210095, China
| | - Haiyan Wang
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing 210095, China.
| | - Xiue Wang
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Nanjing Agricultural University/JCIC-MCP, Nanjing 210095, China.
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Wang H, Zhang H, Li B, Yu Z, Li G, Zhang J, Yang Z. Molecular Cytogenetic Characterization of New Wheat- Dasypyrum breviaristatum Introgression Lines for Improving Grain Quality of Wheat. FRONTIERS IN PLANT SCIENCE 2018; 9:365. [PMID: 29616071 PMCID: PMC5868130 DOI: 10.3389/fpls.2018.00365] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 03/05/2018] [Indexed: 05/22/2023]
Abstract
As an important relative of wheat (Triticum aestivum L), Dasypyrum breviaristatum contains novel high molecular weight glutenin subunits (HMW-GSs) encoded by Glu-1Vb genes. We identified new wheat-D. breviaristatum chromosome introgression lines including chromosomes 1Vb and 1VbL.5VbL by fluorescence in situ hybridization (FISH) combined with molecular markers. We found that chromosome changes occurred in the wheat-D. breviaristatum introgression lines and particularly induced the deletion of 5BS terminal repeats and formation of a new type of 5B-7B reciprocal translocation. The results imply that the D. breviaristatum chromosome 1Vb may contain genes which induce chromosomal recombination in wheat background. Ten putative high molecular weight glutenin subunit (HMW-GS) genes from D. breviaristatum and wheat-D. breviaristatum introgression lines were isolated. The lengths of the HMW-GS genes in Dasypyrum were significantly shorter than typical HMW-GS of common wheat. A new y-type HMW-GS gene, named Glu-Vb1y, was characterized in wheat-D. breviaristatum 1Vb introgression lines. The new wheat-D. breviaristatum germplasm displayed reduced plant height, increased tillers and superior grain protein and gluten contents, improved gluten performance index. The results showed considerable potential for utilization of D. breviaristatum chromosome 1Vb segments in future wheat improvement.
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Affiliation(s)
- Hongjin Wang
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Hongjun Zhang
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Bin Li
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Zhihui Yu
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Guangrong Li
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
- Center of Informational Biology, University of Electronic Science and Technology of China, Chengdu, China
| | - Jie Zhang
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Zujun Yang
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
- Center of Informational Biology, University of Electronic Science and Technology of China, Chengdu, China
- *Correspondence: Zujun Yang,
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Zhang D, Zhou Y, Zhao X, Lv L, Zhang C, Li J, Sun G, Li S, Song C. Development and Utilization of Introgression Lines Using Synthetic Octaploid Wheat ( Aegilops tauschii × Hexaploid Wheat) as Donor. FRONTIERS IN PLANT SCIENCE 2018; 9:1113. [PMID: 30123230 PMCID: PMC6085485 DOI: 10.3389/fpls.2018.01113] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 07/10/2018] [Indexed: 05/21/2023]
Abstract
As the diploid progenitor of common wheat, Aegilops tauschii Cosson (DD, 2n = 2x = 14) is considered to be a promising genetic resource for the improvement of common wheat. In this work, we demonstrated that the efficiency of transferring A. tauschii segments to common wheat was clearly improved through the use of synthetic octaploid wheat (AABBDDDD, 2n = 8x = 56) as a "bridge." The synthetic octaploid was obtained by chromosome doubling of hybrid F1 (A. tauschii T015 × common wheat Zhoumai 18). A set of introgression lines (BC1F8) containing 6016 A. tauschii segments was developed and displayed significant phenotype variance among lines. Twelve agronomic traits, including growth duration, panicle traits, grain traits, and plant height (PH), were evaluated. And transgressive segregation was identified in partial lines. Additionally, better agronomic traits could be observed in some lines, compared to the recurrent parent Zhoumai 18. To verify that the significant variance of those agronomic traits was supposedly controlled by A. tauschii segments, 14 quantitative trait loci (QTLs) for three important agronomic traits (thousand kernel weight, spike length, and PH) were further located in the two environments (Huixian and Zhongmou), indicating the introgression of favorable alleles from A. tauschii into common wheat. This study provides an ameliorated strategy to improve common wheat utilizing a single A. tauschii genome.
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Affiliation(s)
- Dale Zhang
- Institute of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, China
| | - Yun Zhou
- Institute of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, China
| | - Xinpeng Zhao
- Institute of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, China
| | - Linlin Lv
- Institute of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, China
| | - Cancan Zhang
- Institute of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, China
| | - Junhua Li
- School of Life Sciences, Henan Normal University, Xinxiang, China
| | - Guiling Sun
- Institute of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, China
| | - Suoping Li
- Institute of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, China
- *Correspondence: Suoping Li, ; Chunpeng Song,
| | - Chunpeng Song
- Institute of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, China
- *Correspondence: Suoping Li, ; Chunpeng Song,
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Xing L, Di Z, Yang W, Liu J, Li M, Wang X, Cui C, Wang X, Wang X, Zhang R, Xiao J, Cao A. Overexpression of ERF1-V from Haynaldia villosa Can Enhance the Resistance of Wheat to Powdery Mildew and Increase the Tolerance to Salt and Drought Stresses. FRONTIERS IN PLANT SCIENCE 2017; 8:1948. [PMID: 29238352 PMCID: PMC5712803 DOI: 10.3389/fpls.2017.01948] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 10/30/2017] [Indexed: 05/04/2023]
Abstract
The APETALA 2/Ethylene-responsive element binding factor (AP2/ERF) transcription factor gene family is widely involved in the biotic and abiotic stress regulation. Haynaldia villosa (VV, 2n = 14), a wild species of wheat, is a potential gene pool for wheat improvement. H. villosa confers high resistance to several wheat diseases and high tolerance to some abiotic stress. In this study, ERF1-V, an ethylene-responsive element-binding factor gene of the AP2/ERF transcription factor gene family from wild H. villosa, was cloned and characterized. Sequence and phylogenetic analysis showed that ERF1-V is a deduced B2 type ERF gene. ERF1-V was first identified as a Blumeria graminis f. sp. tritici (Bgt) up-regulated gene, and later found to be induced by drought, salt and cold stresses. In responses to hormones, ERF1-V was up-regulated by ethylene and abscisic acid, but down-regulated by salicylic acid and jasmonic acid. Over expression of ERF1-V in wheat could improve resistance to powdery mildew, salt and drought stress. Chlorophyll content, malondialdehyde content, superoxide dismutase and peroxidase activity were significantly differences between the recipient Yangmai158 and the transgenic plants following salt treatment. Furthermore, the expression levels of some stress responsive genes were differences after drought or salt treatments. Although ERF1-V was activated by the constitutive promoter, the agronomic traits, including flowering time, plant height, effective tiller number, spikelet number per spike and grain size, did not changed significantly. ERF1-V is a valuable gene for wheat improvement by genetic engineering.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - Aizhong Cao
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Cytogenetics Institute, Jiangsu Collaborative Innovation Center for Modern Crop Production, Nanjing Agricultural University, Nanjing, China
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Yang X, Li X, Wang C, Chen C, Tian Z, Ji W. Isolation and molecular cytogenetic characterization of a wheat - Leymus mollis double monosomic addition line and its progenies with resistance to stripe rust. Genome 2017; 60:1029-1036. [PMID: 29125778 DOI: 10.1139/gen-2017-0078] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A common wheat - Leymus mollis (2n = 4x = 28, NsNsXmXm) double monosomic addition line, M11003-4-3-8/13/15 (2n = 44 = 42T.a + L.m2 + L.m3), with stripe rust resistance was developed (where T.a represents Triticum aestivum chromosome, L.m represents L. mollis chromosome, and L.m2/3 represents L. mollis chromosome of homoeologous groups 2 and 3). The progenies of line M11003-4-3-8/13/15 were characterized by cytological observation, specific molecular markers, fluorescence in situ hybridization (FISH), and genomic in situ hybridization (GISH). Among the progenies, there existed five different types (I, II, III, IV, and V) of chromosome constitution, the formulas of which were 2n = 44 = 42T.a + 1L.m2 + 1L.m3, 2n = 43 = 42T.a + 1L.m2, 2n = 43 = 42T.a + 1L.m3, 2n = 42 = 42T.a, and 2n = 44 = 42T.a + 2L.m2, respectively. Field disease screening showed that types I and III showed high resistance to stripe rust, while types II, IV, and V were susceptible. Leymus mollis was almost immune to stripe rust, whereas the wheat parent, cultivar 7182, was susceptible. Therefore, we concluded that the stripe rust resistance originated from L. mollis. These various lines could be further fully exploited as important disease resistance materials to enrich wheat genetic resources.
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Affiliation(s)
- Xiaofei Yang
- a College of Agronomy, State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100, China.,b College of Life Science and Technology, Henan Institute of Science and Technology, Xinxiang, Henan 453003, China
| | - Xin Li
- a College of Agronomy, State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Changyou Wang
- a College of Agronomy, State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Chunhuan Chen
- a College of Agronomy, State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Zengrong Tian
- a College of Agronomy, State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Wanquan Ji
- a College of Agronomy, State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100, China
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Li X, Jiang X, Chen X, Song J, Ren C, Xiao Y, Gao X, Ru Z. Molecular cytogenetic identification of a novel wheat-Agropyron elongatum chromosome translocation line with powdery mildew resistance. PLoS One 2017; 12:e0184462. [PMID: 28886152 PMCID: PMC5590951 DOI: 10.1371/journal.pone.0184462] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 08/24/2017] [Indexed: 11/27/2022] Open
Abstract
Agropyron elongatum (Host.) Neviski (synonym, Thinopyrum ponticum Podp., 2n = 70) has been used extensively as a valuable source for wheat breeding. Numerous chromosome fragments containing valuable genes have been successfully translocated into wheat from A. elongatum. However, reports on the transfer of powdery mildew resistance from A. elongatum to wheat are rare. In this study, a novel wheat-A. elongatum translocation line, 11-20-1, developed and selected from the progenies of a sequential cross between wheat varieties (Lankaoaizaoba, Keyu 818 and BainongAK 58) and A. elongatum, was evaluated for disease resistance and characterized using molecular cytogenetic methods. Cytological observations indicated that 11-20-1 had 42 chromosomes and formed 21 bivalents at meiotic metaphase I. Genomic in situ hybridization analysis using whole genomic DNA from A. elongatum as a probe showed that the short arms of a pair of wheat chromosomes were replaced by a pair of A. elongatum chromosome arms. Fluorescence in situ hybridization, using wheat D chromosome specific sequence pAs1 as a probe, suggested that the replaced chromosome arms of 11-20-1 were 5DS. This was further confirmed by wheat SSR markers specific for 5DS. EST-SSR and EST-STS multiple loci markers confirmed that the introduced A. elongatum chromosome arms belonged to homoeologous group 5. Therefore, it was deduced that 11-20-1 was a wheat-A. elongatum T5DL∙5AgS translocation line. Both resistance observation and molecular marker analyses using two specific markers (BE443538 and CD452608) of A. elongatum in a F2 population from a cross between line 11-20-1 and a susceptible cultivar Yannong 19 verified that the A. elongatum chromosomes were responsible for the powdery mildew resistance. This work suggests that 11-20-1 likely contains a novel resistance gene against powdery mildew. We expect this line to be useful for the genetic improvement of wheat.
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Affiliation(s)
- Xiaojun Li
- College of Life Science and Technology, Collaborative Innovation Center of Modern Biological Breeding, Henan Province, Henan Institute of Science and Technology, Xinxiang, Henan, China
| | - Xiaoling Jiang
- College of Life Science and Technology, Collaborative Innovation Center of Modern Biological Breeding, Henan Province, Henan Institute of Science and Technology, Xinxiang, Henan, China
| | - Xiangdong Chen
- College of Life Science and Technology, Collaborative Innovation Center of Modern Biological Breeding, Henan Province, Henan Institute of Science and Technology, Xinxiang, Henan, China
| | - Jie Song
- College of Life Science and Technology, Collaborative Innovation Center of Modern Biological Breeding, Henan Province, Henan Institute of Science and Technology, Xinxiang, Henan, China
| | - Cuicui Ren
- College of Life Science and Technology, Collaborative Innovation Center of Modern Biological Breeding, Henan Province, Henan Institute of Science and Technology, Xinxiang, Henan, China
| | - Yajuan Xiao
- College of Life Science and Technology, Collaborative Innovation Center of Modern Biological Breeding, Henan Province, Henan Institute of Science and Technology, Xinxiang, Henan, China
| | - Xiaohui Gao
- College of Life Science and Technology, Collaborative Innovation Center of Modern Biological Breeding, Henan Province, Henan Institute of Science and Technology, Xinxiang, Henan, China
| | - Zhengang Ru
- College of Life Science and Technology, Collaborative Innovation Center of Modern Biological Breeding, Henan Province, Henan Institute of Science and Technology, Xinxiang, Henan, China
- * E-mail:
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Zhang J, Jiang Y, Xuan P, Guo Y, Deng G, Yu M, Long H. Isolation of two new retrotransposon sequences and development of molecular and cytological markers for Dasypyrum villosum (L.). Genetica 2017. [PMID: 28638972 DOI: 10.1007/s10709-017-9972-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Dasypyrum villosum is a valuable genetic resource for wheat improvement. With the aim to efficiently monitor the D. villosum chromatin introduced into common wheat, two novel retrotransposon sequences were isolated by RAPD, and were successfully converted to D. villosum-specific SCAR markers. In addition, we constructed a chromosomal karyotype of D. villosum. Our results revealed that different accessions of D. villosum showed slightly different signal patterns, indicating that distribution of repeats did not diverge significantly among D. villosum accessions. The two SCAR markers and FISH karyotype of D. villosum could be used for efficient and precise identification of D. villosum chromatin in wheat breeding.
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Affiliation(s)
- Jie Zhang
- Institute of Biotechnology and Nuclear Technology Research, Sichuan Academy of Agricultural Sciences, Chengdu, 610061, Sichuan, China.,Key Laboratory of Wheat Biology and Genetic Improvement on Southwestern China (Ministry of Agriculture), Chengdu, 610066, Sichuan, China
| | - Yun Jiang
- Institute of Biotechnology and Nuclear Technology Research, Sichuan Academy of Agricultural Sciences, Chengdu, 610061, Sichuan, China
| | - Pu Xuan
- Institute of Agro-Products Processing Science and Technology, Sichuan Academy of Agricultural Sciences, Chengdu, 610066, Sichuan, China
| | - Yuanlin Guo
- Institute of Biotechnology and Nuclear Technology Research, Sichuan Academy of Agricultural Sciences, Chengdu, 610061, Sichuan, China
| | - Guangbing Deng
- Chengdu Institute of Biology, Chinese Academy of Sciences, 9 Section 4, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Maoqun Yu
- Chengdu Institute of Biology, Chinese Academy of Sciences, 9 Section 4, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Hai Long
- Chengdu Institute of Biology, Chinese Academy of Sciences, 9 Section 4, Renmin South Road, Chengdu, 610041, Sichuan, China.
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Yu G, Champouret N, Steuernagel B, Olivera PD, Simmons J, Williams C, Johnson R, Moscou MJ, Hernández-Pinzón I, Green P, Sela H, Millet E, Jones JDG, Ward ER, Steffenson BJ, Wulff BBH. Discovery and characterization of two new stem rust resistance genes in Aegilops sharonensis. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2017; 130:1207-1222. [PMID: 28275817 PMCID: PMC5440502 DOI: 10.1007/s00122-017-2882-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 02/17/2017] [Indexed: 05/12/2023]
Abstract
KEY MESSAGE We identified two novel wheat stem rust resistance genes, Sr-1644-1Sh and Sr-1644-5Sh in Aegilops sharonensis that are effective against widely virulent African races of the wheat stem rust pathogen. Stem rust is one of the most important diseases of wheat in the world. When single stem rust resistance (Sr) genes are deployed in wheat, they are often rapidly overcome by the pathogen. To this end, we initiated a search for novel sources of resistance in diverse wheat relatives and identified the wild goatgrass species Aegilops sharonesis (Sharon goatgrass) as a rich reservoir of resistance to wheat stem rust. The objectives of this study were to discover and map novel Sr genes in Ae. sharonensis and to explore the possibility of identifying new Sr genes by genome-wide association study (GWAS). We developed two biparental populations between resistant and susceptible accessions of Ae. sharonensis and performed QTL and linkage analysis. In an F6 recombinant inbred line and an F2 population, two genes were identified that mapped to the short arm of chromosome 1Ssh, designated as Sr-1644-1Sh, and the long arm of chromosome 5Ssh, designated as Sr-1644-5Sh. The gene Sr-1644-1Sh confers a high level of resistance to race TTKSK (a member of the Ug99 race group), while the gene Sr-1644-5Sh conditions strong resistance to TRTTF, another widely virulent race found in Yemen. Additionally, GWAS was conducted on 125 diverse Ae. sharonensis accessions for stem rust resistance. The gene Sr-1644-1Sh was detected by GWAS, while Sr-1644-5Sh was not detected, indicating that the effectiveness of GWAS might be affected by marker density, population structure, low allele frequency and other factors.
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Affiliation(s)
- Guotai Yu
- John Innes Centre, Norwich Research Park, Norwich, NR4 7UH, UK
- 2Blades Foundation, 1630 Chicago Avenue, Suite 1901, Evanston, IL, 60201, USA
| | - Nicolas Champouret
- The Sainsbury Laboratory, Norwich Research Park, Norwich, NR4 7UH, UK
- J.R. Simplot Company, 5369 West Irving Street, Boise, ID, 83706, USA
| | | | - Pablo D Olivera
- Department of Plant Pathology, University of Minnesota, Saint Paul, MN, 55108, USA
| | - Jamie Simmons
- Department of Plant Pathology, University of Minnesota, Saint Paul, MN, 55108, USA
| | - Cole Williams
- Department of Plant Pathology, University of Minnesota, Saint Paul, MN, 55108, USA
| | - Ryan Johnson
- Department of Plant Pathology, University of Minnesota, Saint Paul, MN, 55108, USA
| | - Matthew J Moscou
- The Sainsbury Laboratory, Norwich Research Park, Norwich, NR4 7UH, UK
| | | | - Phon Green
- The Sainsbury Laboratory, Norwich Research Park, Norwich, NR4 7UH, UK
| | - Hanan Sela
- Institute for Cereal Crops Improvement, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Eitan Millet
- Institute for Cereal Crops Improvement, Tel Aviv University, Tel Aviv, 69978, Israel
| | | | - Eric R Ward
- The Sainsbury Laboratory, Norwich Research Park, Norwich, NR4 7UH, UK
- 2Blades Foundation, 1630 Chicago Avenue, Suite 1901, Evanston, IL, 60201, USA
- AgBiome Inc, 104 T. W. Alexander Drive, Building 1, Research Triangle Park, NC, 27709, USA
| | - Brian J Steffenson
- Department of Plant Pathology, University of Minnesota, Saint Paul, MN, 55108, USA
| | - Brande B H Wulff
- John Innes Centre, Norwich Research Park, Norwich, NR4 7UH, UK.
- The Sainsbury Laboratory, Norwich Research Park, Norwich, NR4 7UH, UK.
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36
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Aktar-Uz-Zaman M, Tuhina-Khatun M, Hanafi MM, Sahebi M. Genetic analysis of rust resistance genes in global wheat cultivars: an overview. BIOTECHNOL BIOTEC EQ 2017. [DOI: 10.1080/13102818.2017.1304180] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Affiliation(s)
- Md Aktar-Uz-Zaman
- Laboratory of Climate-Smart Food Crop Production, Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
- Bangladesh Agricultural Research Institute, Gazipur, Bangladesh
| | - Mst Tuhina-Khatun
- Laboratory of Climate-Smart Food Crop Production, Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
- Bangladesh Rice Research Institute, Gazipur, Bangladesh
| | - Mohamed Musa Hanafi
- Laboratory of Plantation Science and Technology, Institute of Plantation Studies, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
- Department of Land Management, Faculty of Agriculture, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Mahbod Sahebi
- Laboratory of Climate-Smart Food Crop Production, Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
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Chemayek B, Bansal UK, Qureshi N, Zhang P, Wagoire WW, Bariana HS. Tight repulsion linkage between Sr36 and Sr39 was revealed by genetic, cytogenetic and molecular analyses. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2017; 130:587-595. [PMID: 27913833 DOI: 10.1007/s00122-016-2837-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Accepted: 11/26/2016] [Indexed: 05/13/2023]
Abstract
The shortening of Aegilops speltoides segment did not facilitate recombination between stem rust resistance genes Sr36 and Sr39 . Robustness of marker rwgs28 for marker-assisted selection of Sr39 was demonstrated. Stem rust resistance genes Sr39 and Sr36 were transferred from Aegilops speltoides and Triticum timopheevii, respectively, to chromosome 2B of wheat. Genetic stocks RL6082 and RWG1 carrying Sr39 on a large and a shortened Ae. speltoides segments, respectively, and the Sr36-carrying Australian wheat cultivar Cook were used in this study. This investigation was planned to determine the genetic relationship between these genes. Stem rust tests on F3 populations derived from RL6082/Cook and RWG1/Cook crosses showed tight repulsion linkage between Sr39 and Sr36. The genomic in situ hybridization analysis of heterozygous F3 family from the RWG1/Cook population showed that the translocated segments do not overlap. Meiotic analysis on the F1 plant from RWG1/Cook showed two univalents at the metaphase and anaphase stages in a majority of the cells indicating absence of pairing. Since meiotic pairing has been reported to initiate at the telomere, pairing and recombination may be inhibited due to very little wheat chromatin in the distal end of the chromosome arm 2BS in RWG1. The Sr39-carrying large Ae. speltoides segment transmitted preferentially in the RL6082/Cook F3 population, whereas the Sr36-carrying T. timopheevii segment over-transmitted in the RWG1/Cook cross. Genotyping with the co-dominant Sr39- and Sr36-linked markers rwgs28 and stm773-2, respectively, matched the phenotypic classification of F3 families. The RWG1 allele amplified by rwgs28 was diagnostic for the shortened Ae. speltoides segment and alternate alleles were amplified in 29 Australian cultivars. Marker rwgs28 will be useful in marker-assisted pyramiding of Sr39 with other genes.
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Affiliation(s)
- Bosco Chemayek
- The University of Sydney Plant Breeding Institute-Cobbitty, PMB 4011, Narellan, NSW 2567, Australia
- National Agricultural Research Organisation (NARO), 1356, Mbale, Uganda
| | - Urmil K Bansal
- The University of Sydney Plant Breeding Institute-Cobbitty, PMB 4011, Narellan, NSW 2567, Australia
| | - Naeela Qureshi
- The University of Sydney Plant Breeding Institute-Cobbitty, PMB 4011, Narellan, NSW 2567, Australia
| | - Peng Zhang
- The University of Sydney Plant Breeding Institute-Cobbitty, PMB 4011, Narellan, NSW 2567, Australia
| | - William W Wagoire
- National Agricultural Research Organisation (NARO), 1356, Mbale, Uganda
| | - Harbans S Bariana
- The University of Sydney Plant Breeding Institute-Cobbitty, PMB 4011, Narellan, NSW 2567, Australia.
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38
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Wiersma AT, Brown LK, Brisco EI, Liu TL, Childs KL, Poland JA, Sehgal SK, Olson EL. Fine mapping of the stem rust resistance gene SrTA10187. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2016; 129:2369-2378. [PMID: 27581540 DOI: 10.1007/s00122-016-2776-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 08/24/2016] [Indexed: 06/06/2023]
Abstract
SrTA10187 was fine-mapped to a 1.1 cM interval, candidate genes were identified in the region of interest, and molecular markers were developed for marker-assisted selection and Sr gene pyramiding. Stem rust (Puccinia graminis f. sp. tritici, Pgt) races belonging to the Ug99 (TTKSK) race group pose a serious threat to global wheat (Triticum aestivum L.) production. To improve Pgt host resistance, the Ug99-effective resistance gene SrTA10187 previously identified in Aegilops tauschii Coss. was introgressed into wheat, and mapped to the short arm of wheat chromosome 6D. In this study, high-resolution mapping of SrTA10187 was done using a population of 1,060 plants. Pgt resistance was screened using race QFCSC. PCR-based SNP and STS markers were developed from genotyping-by-sequencing tags and SNP sequences available in online databases. SrTA10187 segregated as expected in a 3:1 ratio of resistant to susceptible individuals in three out of six BC3F2 families, and was fine-mapped to a 1.1 cM region on wheat chromosome 6DS. Marker context sequence was aligned to the reference Ae. tauschii genome to identify the physical region encompassing SrTA10187. Due to the size of the corresponding region, candidate disease resistance genes could not be identified with confidence. Comparisons with the Ae. tauschii genetic map developed by Luo et al. (PNAS 110(19):7940-7945, 2013) enabled identification of a discrete genetic locus and a BAC minimum tiling path of the region spanning SrTA10187. Annotation of pooled BAC library sequences led to the identification of candidate genes in the region of interest-including a single NB-ARC-LRR gene. The shorter genetic interval and flanking KASP™ and STS markers developed in this study will facilitate marker-assisted selection, gene pyramiding, and positional cloning of SrTA10187.
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Affiliation(s)
- Andrew T Wiersma
- Department of Plant, Soil and Microbial Sciences, Michigan State University, 1066 Bogue Street, Room A286, East Lansing, MI, 48824, USA
| | - Linda K Brown
- Department of Plant, Soil and Microbial Sciences, Michigan State University, 1066 Bogue Street, Room A286, East Lansing, MI, 48824, USA
| | - Elizabeth I Brisco
- Department of Plant, Soil and Microbial Sciences, Michigan State University, 1066 Bogue Street, Room A286, East Lansing, MI, 48824, USA
| | - Tiffany L Liu
- Department of Plant Biology, Michigan State University, 612 Wilson Rd, Room 166, East Lansing, MI, 48824, USA
| | - Kevin L Childs
- Department of Plant Biology and Center for Genomics-Enabled Plant Science, Michigan State University, 612 Wilson Rd, Room 166, East Lansing, MI, 48824, USA
| | - Jesse A Poland
- Department of Plant Pathology, Wheat Genetics Resource Center, Kansas State University, 4011 Throckmorton Plant Sciences Center, Manhattan, KS, 66506, USA
| | - Sunish K Sehgal
- Department of Plant Science, South Dakota State University, Plant Science-Box 2140C, Brookings, SD, 57007, USA
| | - Eric L Olson
- Department of Plant, Soil and Microbial Sciences, Michigan State University, 1066 Bogue Street, Room A286, East Lansing, MI, 48824, USA.
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Zhang R, Sun B, Chen J, Cao A, Xing L, Feng Y, Lan C, Chen P. Pm55, a developmental-stage and tissue-specific powdery mildew resistance gene introgressed from Dasypyrum villosum into common wheat. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2016; 129:1975-84. [PMID: 27422445 DOI: 10.1007/s00122-016-2753-8] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Accepted: 07/09/2016] [Indexed: 05/18/2023]
Abstract
Powdery mildew resistance gene Pm55 was physically mapped to chromosome arm 5VS FL 0.60-0.80 of Dasypyrum villosum . Pm55 is present in T5VS·5AL and T5VS·5DL translocations, which should be valuable resources for wheat improvement. Powdery mildew caused by Blumeria graminis f. sp. tritici is a major wheat disease worldwide. Exploiting novel genes effective against powdery mildew from wild relatives of wheat is a promising strategy for controlling this disease. To identify novel resistance genes for powdery mildew from Dasypyrum villosum, a wild wheat relative, we evaluated a set of Chinese Spring-D. villosum disomic addition and whole-arm translocation lines for reactions to powdery mildew. Based on the evaluation data, we concluded that the D. villosum chromosome 5V controls post-seedling resistance to powdery mildew. Subsequently, three introgression lines were developed and confirmed by molecular and cytogenetic analysis following ionizing radiation of the pollen of a Chinese Spring-D. villosum 5V disomic addition line. A homozygous T5VS·5AL translocation line (NAU421) with good plant vigor and full fertility was further characterized using sequential genomic in situ hybridization, C-banding, and EST-STS marker analysis. A dominant gene permanently named Pm55 was located in chromosome bin 5VS 0.60-0.80 based on the responses to powdery mildew of all wheat-D. villosum 5V introgression lines evaluated at both seeding and adult stages. This study demonstrated that Pm55 conferred growth-stage and tissue-specific dependent resistance; therefore, it provides a novel resistance type for powdery mildew. The T5VS·5AL translocation line with additional softness loci Dina/Dinb of D. villosum provides a possibility of extending the range of grain textures to a super-soft category. Accordingly, this stock is a new source of resistance to powdery mildew and may be useful in both resistance mechanism studies and soft wheat improvement.
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Affiliation(s)
- Ruiqi Zhang
- College of Agronomy, Nanjing Agricultural University/National Key Laboratory of Crop Genetics and Germplasm Enhancement/JCIC-MCP, Nanjing, 210095, China.
| | - Bingxiao Sun
- College of Agronomy, Nanjing Agricultural University/National Key Laboratory of Crop Genetics and Germplasm Enhancement/JCIC-MCP, Nanjing, 210095, China
| | - Juan Chen
- College of Agronomy, Nanjing Agricultural University/National Key Laboratory of Crop Genetics and Germplasm Enhancement/JCIC-MCP, Nanjing, 210095, China
| | - Aizhong Cao
- College of Agronomy, Nanjing Agricultural University/National Key Laboratory of Crop Genetics and Germplasm Enhancement/JCIC-MCP, Nanjing, 210095, China
| | - Liping Xing
- College of Agronomy, Nanjing Agricultural University/National Key Laboratory of Crop Genetics and Germplasm Enhancement/JCIC-MCP, Nanjing, 210095, China
| | - Yigao Feng
- College of Agronomy, Nanjing Agricultural University/National Key Laboratory of Crop Genetics and Germplasm Enhancement/JCIC-MCP, Nanjing, 210095, China
| | - Caixia Lan
- International Maize and Wheat Improvement Center (CIMMYT), 06600, Mexico, DF, Mexico
| | - Peidu Chen
- College of Agronomy, Nanjing Agricultural University/National Key Laboratory of Crop Genetics and Germplasm Enhancement/JCIC-MCP, Nanjing, 210095, China
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Qi W, Tang Y, Zhu W, Li D, Diao C, Xu L, Zeng J, Wang Y, Fan X, Sha L, Zhang H, Zheng Y, Zhou Y, Kang H. Molecular cytogenetic characterization of a new wheat-rye 1BL•1RS translocation line expressing superior stripe rust resistance and enhanced grain yield. PLANTA 2016; 244:405-16. [PMID: 27084678 DOI: 10.1007/s00425-016-2517-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Accepted: 04/01/2016] [Indexed: 05/08/2023]
Abstract
A new wheat-rye 1BL•1RS translocation line, with the characteristics of superior stripe rust resistance and high thousand-kernel weight and grain number per spike, was developed and identified from progenies of wheat-rye- Psathyrostachys huashanica trigeneric hybrids. The wheat-rye 1BL•1RS translocation line from Petkus rye has contributed substantially to the world wheat production. However, due to extensive growing of cultivars with disease resistance genes from short arm of rye chromosome 1R and coevolution of pathogen virulence and host resistance, these cultivars successively lost resistance to pathogens. In this study, a new wheat-rye line K13-868, derived from the progenies of wheat-rye-Psathyrostachys huashanica trigeneric hybrids, was identified and analyzed using fluorescence in situ hybridization (FISH), genomic in situ hybridization (GISH), acid polyacrylamide gel electrophoresis (A-PAGE), and molecular markers. Cytological studies indicated that the mean chromosome configuration of K13-868 at meiosis was 2n = 42 = 0.14 I + 18.78 II (ring) + 2.15 II (rod). Sequential FISH and GISH results demonstrated that K13-868 was a compensating wheat-rye 1BL•1RS Robertsonian translocation line. Acid PAGE analysis revealed that clear specific bands of rye 1RS were expressed in K13-868. Simple sequence repeat (SSR) and rye 1RS-specific markers ω-sec-p1/ω-sec-p2 and O-SEC5'-A/O-SEC3'-R suggested that the 1BS arm of wheat had been substituted by the 1RS arm of rye. At the seedling and adult growth stage, compared with its recurrent wheat parent SM51 and six other wheat cultivars containing the 1RS arm in southwestern China, K13-868 showed high levels of resistance to stripe rust (Puccinia striiformis f. sp. tritici, Pst) pathogens prevalent in China, which are virulent to Yr10 and Yr24/Yr26. In addition, K13-868 expresses higher thousand-kernel weight and more grain number per spike than these controls in two growing seasons, suggesting that this line may carry yield-related genes of rye. This translocation line, with significant characteristics of resistance to stripe rust and high thousand-kernel weight and grain number per spike, could be utilized as a valuable germplasm for wheat improvement.
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Affiliation(s)
- Weiliang Qi
- Triticeae Research Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang, Chengdu, 611130, Sichuan, China
| | - Yao Tang
- Triticeae Research Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang, Chengdu, 611130, Sichuan, China
| | - Wei Zhu
- Triticeae Research Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang, Chengdu, 611130, Sichuan, China
| | - Daiyan Li
- Triticeae Research Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang, Chengdu, 611130, Sichuan, China
| | - Chengdou Diao
- Triticeae Research Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang, Chengdu, 611130, Sichuan, China
| | - Lili Xu
- Triticeae Research Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang, Chengdu, 611130, Sichuan, China
| | - Jian Zeng
- College of Resources, Sichuan Agricultural University, 211 Huimin Road, Wenjiang, Chengdu, 611130, Sichuan, China
| | - Yi Wang
- Triticeae Research Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang, Chengdu, 611130, Sichuan, China
| | - Xing Fan
- Triticeae Research Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang, Chengdu, 611130, Sichuan, China
| | - Lina Sha
- Triticeae Research Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang, Chengdu, 611130, Sichuan, China
| | - Haiqin Zhang
- Triticeae Research Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang, Chengdu, 611130, Sichuan, China
| | - Youliang Zheng
- Triticeae Research Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang, Chengdu, 611130, Sichuan, China
| | - Yonghong Zhou
- Triticeae Research Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang, Chengdu, 611130, Sichuan, China
| | - Houyang Kang
- Triticeae Research Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang, Chengdu, 611130, Sichuan, China.
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Rahmatov M, Rouse MN, Nirmala J, Danilova T, Friebe B, Steffenson BJ, Johansson E. A new 2DS·2RL Robertsonian translocation transfers stem rust resistance gene Sr59 into wheat. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2016; 129:1383-1392. [PMID: 27025509 DOI: 10.1007/s00122-016-2710-6] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2016] [Accepted: 03/17/2016] [Indexed: 05/28/2023]
Abstract
A new stem rust resistance gene Sr59 from Secale cereale was introgressed into wheat as a 2DS·2RL Robertsonian translocation. Emerging new races of the wheat stem rust pathogen (Puccinia graminis f. sp. tritici), from Africa threaten global wheat (Triticum aestivum L.) production. To broaden the resistance spectrum of wheat to these widely virulent African races, additional resistance genes must be identified from all possible gene pools. From the screening of a collection of wheat-rye (Secale cereale L.) chromosome substitution lines developed at the Swedish University of Agricultural Sciences, we described the line 'SLU238' 2R (2D) as possessing resistance to many races of P. graminis f. sp. tritici, including the widely virulent race TTKSK (isolate synonym Ug99) from Africa. The breakage-fusion mechanism of univalent chromosomes was used to produce a new Robertsonian translocation: T2DS·2RL. Molecular marker analysis and stem rust seedling assays at multiple generations confirmed that the stem rust resistance from 'SLU238' is present on the rye chromosome arm 2RL. Line TA5094 (#101) was derived from 'SLU238' and was found to be homozygous for the T2DS·2RL translocation. The stem rust resistance gene on chromosome 2RL arm was designated as Sr59. Although introgressions of rye chromosome arms into wheat have most often been facilitated by irradiation, this study highlights the utility of the breakage-fusion mechanism for rye chromatin introgression. Sr59 provides an additional asset for wheat improvement to mitigate yield losses caused by stem rust.
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Affiliation(s)
- Mahbubjon Rahmatov
- Department of Plant Breeding, Swedish University of Agricultural Sciences, PO Box 101, 23053, Alnarp, Sweden.
- Department of Plant Pathology, University of Minnesota, St. Paul, MN, 55108, USA.
- Tajik Agrarian University, 146, Rudaki Ave., Dushanbe, 734017, Tajikistan.
| | - Matthew N Rouse
- United States Department of Agriculture, Agricultural Research Service, Cereal Disease Laboratory, St. Paul, MN, 55108, USA
- Department of Plant Pathology, University of Minnesota, St. Paul, MN, 55108, USA
| | - Jayaveeramuthu Nirmala
- United States Department of Agriculture, Agricultural Research Service, Cereal Disease Laboratory, St. Paul, MN, 55108, USA
| | - Tatiana Danilova
- Department of Plant Pathology, Wheat Genetic Resources Center, Throckmorton Plant Sciences Center, Kansas State University, Manhattan, KS, 66506-5502, USA
| | - Bernd Friebe
- Department of Plant Pathology, Wheat Genetic Resources Center, Throckmorton Plant Sciences Center, Kansas State University, Manhattan, KS, 66506-5502, USA
| | - Brian J Steffenson
- Department of Plant Pathology, University of Minnesota, St. Paul, MN, 55108, USA
| | - Eva Johansson
- Department of Plant Breeding, Swedish University of Agricultural Sciences, PO Box 101, 23053, Alnarp, Sweden
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Rahmatov M, Rouse MN, Steffenson BJ, Andersson SC, Wanyera R, Pretorius ZA, Houben A, Kumarse N, Bhavani S, Johansson E. Sources of Stem Rust Resistance in Wheat-Alien Introgression Lines. PLANT DISEASE 2016; 100:1101-1109. [PMID: 30682285 DOI: 10.1094/pdis-12-15-1448-re] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Stem rust is one of the most devastating diseases of wheat. Widely virulent races of the pathogen in the Ug99 lineage (e.g., TTKSK) are threatening wheat production worldwide; therefore, there is an urgent need to enhance the diversity of resistance genes in the crop. The objectives of this study were to identify new sources of resistance in wheat-alien introgression derivatives from Secale cereale, Leymus mollis, L. racemosus, and Thinopyrum junceiforme, postulate genes conferring the resistance, and verify the postulated genes by use of molecular markers. From seedling tests conducted in the greenhouse, the presence of seven known stem rust resistance genes (Sr7b, Sr8a, Sr9d, Sr10, Sr31, Sr36, and SrSatu) was postulated in the wheat-alien introgression lines. More lines possessed a high level of resistance in the field compared with the number of lines that were resistant at the seedling stage. Three 2R (2D) wheat-rye substitution lines (SLU210, SLU238, and SLU239) seemed likely to possess new genes for resistance to stem rust based on their resistance pattern to 13 different stem rust races but the genes responsible could not be identified. Wheat-rye, wheat-L. racemosus, and wheat-L. mollis substitutions or translocations with single and multiple interchanges of chromosomes, in particular of the B and D chromosomes of wheat, were verified by a combination of genomic in situ hybridization and molecular markers. Thus, the present study identified novel resistance genes originating from different alien introgressions into the wheat genome of the evaluated lines. Such genes may prove useful in enhancing the diversity of stem rust resistance in wheat against widely virulent pathogen races such as those in the Ug99 lineage.
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Affiliation(s)
- Mahbubjon Rahmatov
- Department of Plant Breeding, Swedish University of Agricultural Sciences, SE-23053 Alnarp, Sweden; Department of Plant Pathology, University of Minnesota, St. Paul 55108; and Tajik Agrarian University, Dushanbe, 734017, Tajikistan
| | - Matthew N Rouse
- United States Department of Agriculture-Agricultural Research Service, Cereal Disease Laboratory, St. Paul, MN 55108; and Department of Plant Pathology, University of Minnesota
| | | | | | - Ruth Wanyera
- Kenyan Agricultural and Livestock Research Organization Food Crops Research Center, Njoro, Kenya
| | - Zacharias A Pretorius
- Department of Plant Sciences, University of Free State, Bloemfontein 9300, South Africa
| | - Andreas Houben
- Leibniz Institute of Plant Genetics and Crop Plant Research, Gatersleben, 06466 Stadt Seeland, Germany
| | - Nazari Kumarse
- Regional Cereal Rust Research Center, Aegean Agricultural Research Institute, Menemen, Izmir, Turkey
| | - Sridhar Bhavani
- International Maize and Wheat Improvement Center, ICRAF House, Nairobi, Kenya
| | - Eva Johansson
- Department of Plant Breeding, Swedish University of Agricultural Sciences
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Bajgain P, Rouse MN, Tsilo TJ, Macharia GK, Bhavani S, Jin Y, Anderson JA. Nested Association Mapping of Stem Rust Resistance in Wheat Using Genotyping by Sequencing. PLoS One 2016; 11:e0155760. [PMID: 27186883 PMCID: PMC4870046 DOI: 10.1371/journal.pone.0155760] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Accepted: 05/04/2016] [Indexed: 11/19/2022] Open
Abstract
We combined the recently developed genotyping by sequencing (GBS) method with joint mapping (also known as nested association mapping) to dissect and understand the genetic architecture controlling stem rust resistance in wheat (Triticum aestivum). Ten stem rust resistant wheat varieties were crossed to the susceptible line LMPG-6 to generate F6 recombinant inbred lines. The recombinant inbred line populations were phenotyped in Kenya, South Africa, and St. Paul, Minnesota, USA. By joint mapping of the 10 populations, we identified 59 minor and medium-effect QTL (explained phenotypic variance range of 1% - 20%) on 20 chromosomes that contributed towards adult plant resistance to North American Pgt races as well as the highly virulent Ug99 race group. Fifteen of the 59 QTL were detected in multiple environments. No epistatic relationship was detected among the QTL. While these numerous small- to medium-effect QTL are shared among the families, the founder parents were found to have different allelic effects for the QTL. Fourteen QTL identified by joint mapping were also detected in single-population mapping. As these QTL were mapped using SNP markers with known locations on the physical chromosomes, the genomic regions identified with QTL could be explored more in depth to discover candidate genes for stem rust resistance. The use of GBS-derived de novo SNPs in mapping resistance to stem rust shown in this study could be used as a model to conduct similar marker-trait association studies in other plant species.
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Affiliation(s)
- Prabin Bajgain
- Department of Agronomy, Purdue University, 915 West State Street, West Lafayette, IN 47907, United States of America
- Department of Agronomy and Plant Genetics, University of Minnesota, St Paul, MN 55108, United States of America
| | - Matthew N. Rouse
- United States Department of Agriculture-Agricultural Research Service (USDA-ARS), Cereal Disease Laboratory, St. Paul, MN 55108, United States of America
- Department of Plant Pathology, University of Minnesota, St. Paul, MN 55108, United States of America
| | - Toi J. Tsilo
- Agricultural Research Council – Small Grain Institute, Bethlehem, 9700, Free State, South Africa
| | - Godwin K. Macharia
- Kenya Agricultural and Livestock Research Organization (KALRO), Njoro, Kenya
| | - Sridhar Bhavani
- International Maize and Wheat Improvement Center (CIMMYT), ICRAF House, United Nations Avenue, Gigiri, Nairobi, Kenya
| | - Yue Jin
- United States Department of Agriculture-Agricultural Research Service (USDA-ARS), Cereal Disease Laboratory, St. Paul, MN 55108, United States of America
| | - James A. Anderson
- Department of Agronomy and Plant Genetics, University of Minnesota, St Paul, MN 55108, United States of America
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Li G, Gao D, Zhang H, Li J, Wang H, La S, Ma J, Yang Z. Molecular cytogenetic characterization of Dasypyrum breviaristatum chromosomes in wheat background revealing the genomic divergence between Dasypyrum species. Mol Cytogenet 2016; 9:6. [PMID: 26813790 PMCID: PMC4727328 DOI: 10.1186/s13039-016-0217-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Accepted: 01/19/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The uncultivated species Dasypyrum breviaristatum carries novel diseases resistance and agronomically important genes of potential use for wheat improvement. The development of new wheat-D. breviaristatum derivatives lines with disease resistance provides an opportunity for the identification and localization of resistance genes on specific Dasypyrum chromosomes. The comparison of wheat-D. breviaristatum derivatives to the wheat-D. villosum derivatives enables to reveal the genomic divergence between D. breviaristatum and D. villosum. RESULTS The mitotic metaphase of the wheat- D. breviaristatum partial amphiploid TDH-2 and durum wheat -D. villosum amphiploid TDV-1 were studied using multicolor fluorescent in situ hybridization (FISH). We found that the distribution of FISH signals of telomeric, subtelomeric and centromeric regions on the D. breviaristatum chromosomes was different from those of D. villosum chromosomes by the probes of Oligo-pSc119.2, Oligo-pTa535, Oligo-(GAA)7 and Oligo-pHv62-1. A wheat line D2139, selected from a cross between wheat lines MY11 and TDH-2, was characterized by FISH and PCR-based molecular markers. FISH analysis demonstrated that D2139 contained 44 chromosomes including a pair of D. breviaristatum chromosomes which had originated from the partial amphiploid TDH-2. Molecular markers confirmed that the introduced D. breviaristatum chromosomes belonged to homoeologous group 7, indicating that D2139 was a 7V(b) disomic addition line. The D2139 displayed high resistance to wheat stripe rust races at adult stage plant, which may be inherited from, D. breviaristatum chromosome 7V(b). CONCLUSION The study present here revealed that the large divergence between D. breviaristatum and D. villosum with respected to the organization of different repetitive sequences. The identified wheat- D. breviaristatum chromosome addition line D2139 will be used to produce agronomically desirable germplasm for wheat breeding.
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Affiliation(s)
- Guangrong Li
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054 China
| | - Dan Gao
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054 China
| | - Hongjun Zhang
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054 China
| | - Jianbo Li
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054 China
| | - Hongjin Wang
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054 China
| | - Shixiao La
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054 China
| | - Jiwei Ma
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054 China
| | - Zujun Yang
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054 China
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Zhang R, Hou F, Feng Y, Zhang W, Zhang M, Chen P. Characterization of a Triticum aestivum-Dasypyrum villosum T2VS·2DL translocation line expressing a longer spike and more kernels traits. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2015; 128:2415-25. [PMID: 26334547 DOI: 10.1007/s00122-015-2596-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Accepted: 08/05/2015] [Indexed: 05/09/2023]
Abstract
By using 2V-specific EST-PCR markers and sequential GISH/FISH analysis, we identified four homozygous CS-2V translocation lines, including a novel compensating T2VS·2DL translocation line NAU422. This translocation line has longer spikes and produces more grains per spike than its recurrent parent CS and three other translocation lines, which could be a valuable resource in wheat yield improvement. Dasypyrum villosum (2n = 14, VV), the wild relative of wheat, possesses novel and superior alleles at many important loci and should be utilized to improve the genetic diversity of cultivated wheat and may be very helpful for the improvement of wheat yield. In this study, four homozygous Chinese Spring (CS)-D. villosum translocation lines containing different fragments of chromosome 2V were characterized from a pool, including 76 translocations that occur in chromosomes 1 V through 7 V of D. villosum by both molecular markers and cytogenetic analysis. A rough physical map of 2V was developed which included nine markers in three segments of the short arm and ten markers in the long arm. The photoperiod response gene of D. villosum (Ppd-V1) was physically mapped to the FL 0.33-0.53 region of 2VS, while the gene controlling bristles on the glume ridges (Bgr-V1) was mapped to 2VS FL 0.00-0.33. A novel compensating Triticum aestivum-D. villosum Robertsonian translocation line T2VS·2DL (NAU422) with good plant vigor and full fertility was further characterized by sequential genomic in situ hybridization and fluorescent in situ hybridization and the use of molecular markers. Compared to its recurrent parent CS and three other translocation lines, the T2VS·2DL translocation line has longer spikes, more spikelets and more grains per spike in two season years, which suggested that the alien segment may carry yield-related genes of D. villosum. The developed T2VS·2DL translocation line with its morphological and co-dominant molecular markers could be utilized as a novel germplasm for high-yield wheat breeding.
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Affiliation(s)
- Ruiqi Zhang
- College of Agronomy, Nanjing Agricultural University/National Key Laboratory of Crop Genetics and Germplasm Enhancement/JCIC-MCP, Nanjing, 210095, China.
| | - Fu Hou
- College of Agronomy, Nanjing Agricultural University/National Key Laboratory of Crop Genetics and Germplasm Enhancement/JCIC-MCP, Nanjing, 210095, China
| | - Yigao Feng
- College of Agronomy, Nanjing Agricultural University/National Key Laboratory of Crop Genetics and Germplasm Enhancement/JCIC-MCP, Nanjing, 210095, China
| | - Wei Zhang
- Tongling City Agriculture Committee, Tongling, 244000, Anhui, China
| | - Mingyi Zhang
- College of Agronomy, Nanjing Agricultural University/National Key Laboratory of Crop Genetics and Germplasm Enhancement/JCIC-MCP, Nanjing, 210095, China
| | - Peidu Chen
- College of Agronomy, Nanjing Agricultural University/National Key Laboratory of Crop Genetics and Germplasm Enhancement/JCIC-MCP, Nanjing, 210095, China
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Molecular and Cytogenetic Characterization of New Wheat-Dasypyrum breviaristatum Derivatives with Post-Harvest Re-Growth Habit. Genes (Basel) 2015; 6:1242-55. [PMID: 26633516 PMCID: PMC4690038 DOI: 10.3390/genes6041242] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Revised: 11/10/2015] [Accepted: 11/18/2015] [Indexed: 11/16/2022] Open
Abstract
A novel Dasypyrum species, Dasypyrum breviaristatum, serves as a valuable source of useful genes for wheat improvement. The development and characterization of new wheat—D. breviaristatum introgression lines is important to determine the novel gene(s) on specific chromosome(s). We first used multi-color fluorescence in situ hybridization (FISH) to identify the individual D. breviaristatum Vb chromosomes in a common wheat—D. breviaristatum partial amphiploid, TDH-2. The FISH patterns of D. breviaristatum chromosomes were different from those of D. villosum chromosomes. Lines D2146 and D2150 were selected from a cross between wheat line MY11 and wheat—D. breviaristatum partial amphiploid TDH-2, and they were characterized by FISH and PCR-based molecular markers. We found that D2150 was a monosomic addition line for chromosome 5Vb of D. breviaristatum, while D2146 had the 5VbL chromosome arm translocated with wheat chromosome 5AS. Molecular marker analysis confirmed that the introduced D. breviaristatum chromosome 5VbL translocation possessed a duplicated region homoeologous to 5AS, revealing that the 5AS.5VbL translocation may not functionally compensate well. The dwarfing and the pre-harvest re-growth habits observed in the wheat—D. breviaristatum chromosome 5Vb derivatives may be useful for future development of perennial growth wheat lines.
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Ghazali S, Mirzaghaderi G, Majdi M. Production of a novel Robertsonian translocation from Thinopyrum bessarabicum into bread wheat. CYTOL GENET+ 2015. [DOI: 10.3103/s0095452715060031] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Yang X, Wang C, Li X, Chen C, Tian Z, Wang Y, Ji W. Development and Molecular Cytogenetic Identification of a Novel Wheat-Leymus mollis Lm#7Ns (7D) Disomic Substitution Line with Stripe Rust Resistance. PLoS One 2015; 10:e0140227. [PMID: 26465140 PMCID: PMC4605682 DOI: 10.1371/journal.pone.0140227] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Accepted: 09/23/2015] [Indexed: 11/18/2022] Open
Abstract
Leymus mollis (2n = 4x = 28, NsNsXmXm) possesses novel and important genes for resistance against multi-fungal diseases. The development of new wheat—L. mollis introgression lines is of great significance for wheat disease resistance breeding. M11003-3-1-15-8, a novel disomic substitution line of common wheat cv. 7182 –L. mollis, developed and selected from the BC1F5 progeny between wheat cv. 7182 and octoploid Tritileymus M47 (2n = 8x = 56, AABBDDNsNs), was characterized by morphological and cytogenetic identification, analysis of functional molecular markers, genomic in situ hybridization (GISH), sequential fluorescence in situ hybridization (FISH)—genomic in situ hybridization (GISH) and disease resistance evaluation. Cytological observations suggested that M11003-3-1-15-8 contained 42 chromosomes and formed 21 bivalents at meiotic metaphase I. The GISH investigations showed that line contained 40 wheat chromosomes and a pair of L. mollis chromosomes. EST-STS multiple loci markers and PLUG (PCR-based Landmark Unique Gene) markers confirmed that the introduced L. mollis chromosomes belonged to homoeologous group 7, it was designated as Lm#7Ns. While nulli-tetrasomic and sequential FISH-GISH analysis using the oligonucleotide Oligo-pSc119.2 and Oligo-pTa535 as probes revealed that the wheat 7D chromosomes were absent in M11003-3-1-15-8. Therefore, it was deduced that M11003-3-1-15-8 was a wheat–L. mollis Lm#7Ns (7D) disomic substitution line. Field disease resistance demonstrated that the introduced L. mollis chromosomes Lm#7Ns were responsible for the stripe rust resistance at the adult stage. Moreover, M11003-3-1-15-8 had a superior numbers of florets. The novel disomic substitution line M11003-3-1-15-8, could be exploited as an important genetic material in wheat resistance breeding programs and genetic resources.
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Affiliation(s)
- Xiaofei Yang
- College of Agronomy, State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A & F University, Yangling, Shaanxi, 712100, China
| | - Changyou Wang
- College of Agronomy, State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A & F University, Yangling, Shaanxi, 712100, China
| | - Xin Li
- College of Agronomy, State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A & F University, Yangling, Shaanxi, 712100, China
| | - Chunhuan Chen
- College of Agronomy, State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A & F University, Yangling, Shaanxi, 712100, China
| | - Zengrong Tian
- College of Agronomy, State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A & F University, Yangling, Shaanxi, 712100, China
| | - Yajuan Wang
- College of Agronomy, State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A & F University, Yangling, Shaanxi, 712100, China
| | - Wanquan Ji
- College of Agronomy, State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A & F University, Yangling, Shaanxi, 712100, China
- * E-mail:
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Kielsmeier-Cook J, Danilova TV, Friebe B, Rouse MN. Resistance to the Ug99 Race Group of Puccinia graminis f. sp. tritici in Wheat-Intra/intergeneric Hybrid Derivatives. PLANT DISEASE 2015; 99:1317-1325. [PMID: 30690994 DOI: 10.1094/pdis-09-14-0922-re] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
New races of Puccinia graminis f. sp. tritici, the causal agent of stem rust, threaten global wheat production. In particular, races belonging to the Ug99 race group significantly contribute to yield loss in several African nations. Genetic resistance remains the most effective means of controlling this disease. A collection of 546 wheat-intra- and intergeneric hybrids developed by W. J. Sando (United States Department of Agriculture, Beltsville, MD) was screened with eight races of P. graminis f. sp. tritici, including races TTKSK, TTKST, TTTSK, TRTTF, TTTTF, TPMKC, RKQQC, and QTHJC. There were 152 accessions resistant to one or more races and 29 accessions resistant to TTKSK, TTKST, and TTTSK. Of these 29 accessions, 9 were resistant to all races, 14 had infection type patterns that were indistinguishable from cultivars possessing Sr9h and Sr42, 2 were indistinguishable from accessions with SrTmp, and 4 did not display resistant patterns of accessions with any known Sr gene. Three accessions (604981, 605286, and 611932) characterized cytogenetically were disomic substitution lines, each with a single Thinopyrum ponticum chromosome pair. One accession (606057) was a disomic substitution or addition line with two pairs of T. ponticum chromosomes. In total, seven accessions are postulated to contain novel stem rust resistance genes. This research indicates the value of extant collections of wheat-intergeneric hybrids as sources of disease resistance genes.
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Affiliation(s)
| | - Tatiana V Danilova
- Wheat Genetics Resource Center, Department of Plant Pathology, Kansas State University, Manhattan 66506
| | - Bernd Friebe
- Wheat Genetics Resource Center, Department of Plant Pathology, Kansas State University, Manhattan 66506
| | - Matthew N Rouse
- Cereal Disease Laboratory, United States Department of Agriculture, St. Paul, MN and Department of Plant Pathology, University of Minnesota, St. Paul
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Zhang J, Zhang J, Liu W, Han H, Lu Y, Yang X, Li X, Li L. Introgression of Agropyron cristatum 6P chromosome segment into common wheat for enhanced thousand-grain weight and spike length. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2015; 128:1827-37. [PMID: 26093609 DOI: 10.1007/s00122-015-2550-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Accepted: 05/29/2015] [Indexed: 05/12/2023]
Abstract
This study explored the genetic constitutions of wheat-Agropyron cristatum 6P chromosomal translocation and determined the effects of 6P intercalary chromosome segment on thousand-grain weight and spike length in wheat. Crop wild relatives provide rich genetic resources for wheat improvement. Introduction of alien genes from Agropyron cristatum into common wheat can broaden its genetic diversity. In this study, radiation-induced wheat-A. cristatum translocation line Pubing3035 derived from the offspring of wheat-A. cristatum 6P chromosomes addition line was identified and analyzed using genomic in situ hybridization (GISH), dual-color fluorescence in situ hybridization (FISH), and molecular markers. GISH analysis revealed that Pubing3035 was a Ti1AS-6PL-1AS·1AL intercalary translocation. The breakpoint was pinpointed to locate near the centromeric region on the short arm of wheat chromosome 1A based on a constructed F2 linkage map and it was flanked by markers SSR12 and SSR263. The genotypic data, combined with the phenotypes, indicated that A. cristatum 6P chromosomal segment played an important role in regulating the thousand-grain weight and spike length. On average, the thousand-grain weight and spike length in translocation individuals were approximately 2.5 g higher and 0.7 cm longer than those in non-translocation individuals in F2 and BC1F1 populations. The clusters of quantitative trait loci for thousand-grain weight, spike length, and spikelet density contributed by 6P chromosome segment were mapped between A. cristatum unique marker Agc7155 and wheat marker SSR263, which, respectively, explained phenotypic variance of 24.96, 12.38 and 17.20 % with an LOD of 10.63, 4.89 and 5.59. Overall, the translocation Pubing3035 had a positive effect on the yield of wheat, which laid the foundation for the localization of A. cristatum excellent genes and made itself a promising and valuable germplasm for wheat improvement.
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Affiliation(s)
- Jing Zhang
- National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
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