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Franco MF, Polacco AN, Campos PE, Pontaroli AC, Vanzetti LS. Genome-wide association study for resistance in bread wheat (Triticum aestivum L.) to stripe rust (Puccinia striiformis f. sp. tritici) races in Argentina. BMC PLANT BIOLOGY 2022; 22:543. [PMID: 36434507 PMCID: PMC9701071 DOI: 10.1186/s12870-022-03916-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Wheat stripe rust, caused by Puccinia striiformis f. sp. tritici (Pst), is one of the most devastating diseases of the wheat crop. It causes significant reductions in both grain yield and grain quality. In recent years, new and more virulent races have overcome many of the known resistance genes in Argentinian germplasm. In order to identify loci conferring resistance to the local races of Pst for effective utilization in future breeding programs, a genome-wide association study (GWAS) was performed using a collection of 245 bread wheat lines genotyped with 90 K SNPs. RESULTS To search for adult plant resistance (APR) the panel was evaluated for disease severity (DS) and area under disease progress curve (AUDPC) in field trials during two years under natural infection conditions. To look for seedling or all-stage resistance (ASR) the panel was evaluated to determine infection type (IT) under greenhouse conditions against two prevalent races in Argentina. The phenotypic data showed that the panel possessed enough genetic variability for searching for sources of resistance to Pst. Significant correlations between years were observed for Pst response in the field and high heritability values were found for DS (H2 = 0.89) and AUDPC (H2 = 0.93). Based on GWAS, eight markers associated with Pst resistance (FDR < 0.01) were identified, of these, five were associated with ASR (on chromosomes 1B, 2A, 3A and 5B) and three with APR (on chromosomes 3B and 7A). These markers explained between 2% and 32.62% of the phenotypic variation. Five of the markers corresponded with previously reported Yr genes/QTL, while the other three (QYr.Bce.1B.sd.1, QYr.Bce.3A.sd and QYr.Bce.3B.APR.2) might be novel resistance loci. CONCLUSION Our results revealed high genetic variation for resistance to Argentinian stripe rust races in the germplasm used here. It constitutes a very promising step towards the improvement of Pst resistance of bread wheat in Argentina. Also, the identification of new resistance loci would represent a substantial advance for diversifying the current set of resistance genes and to advance in the improvement of the durable resistance to the disease.
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Affiliation(s)
- M F Franco
- Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, 7620, Balcarce, CP, Argentina.
- Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Buenos Aires, Argentina.
- Estación Experimental Agropecuaria INTA Balcarce, 7620, Balcarce, CP, Argentina.
| | - A N Polacco
- Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, 7620, Balcarce, CP, Argentina
| | - P E Campos
- Estación Experimental Agropecuaria INTA Bordenave, 8187, Bordenave, CP, Argentina
| | - A C Pontaroli
- Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Buenos Aires, Argentina
- Estación Experimental Agropecuaria INTA Balcarce, 7620, Balcarce, CP, Argentina
| | - L S Vanzetti
- Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Buenos Aires, Argentina
- Estación Experimental Agropecuaria INTA Marcos Juárez, 2580, Marcos Juárez, CP, Argentina
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Eagle J, Liu Y, Naruoka Y, Liu W, Ruff T, Hooker M, Sthapit S, Marston E, Marlowe K, Pumphrey M, See DR. Identification and Mapping of Quantitative Trait Loci Associated with Stripe Rust Resistance in Spring Club Wheat Cultivar JD. PLANT DISEASE 2022; 106:2490-2497. [PMID: 35077228 DOI: 10.1094/pdis-12-21-2627-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: 06/14/2023]
Abstract
Puccinia striiformis Westend. f. sp. tritici, commonly known as stripe rust, is an economically important pathogen of wheat (Triticum aestivum L.). The hexaploid club spring wheat cultivar JD contains both all-stage and adult plant resistance (APR) genes and exhibited consistent high resistance to stripe rust in the field. In this study, we aimed to identify the quantitative trait loci (QTL) for stripe rust resistance using a BC1F7 back-cross inbred-line population derived from the cross of JD and the recurrent parental line 'Avocet'. The population was phenotyped in field plots in Washington State at the Spillman Agronomy Farm in Pullman and Mount Vernon Northwest Washington Research and Extension Center in between 2014 and 2016. A major QTL tentatively designated as QYrJD.wsu-1B, conferring all-stage resistance in JD background, was identified and mapped at the telomere region on the short arm of chromosome 1B using the genotyping-by-sequencing method. This QTL was further characterized with simple sequence repeat (SSR) markers and found to have the greatest logarithm-of-the-odds score and phenotypic effect, using SSR marker wmc798 on chromosome 1BS. Seven additional QTLs associated with APR were identified in the JD background on chromosomes 2D, 3A, 3B, 4A, 6B, and 7A with partial phenotypic effects.
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Affiliation(s)
- Jonathan Eagle
- Department of Plant Pathology, Washington State University, Pullman, WA 99164, U.S.A
| | - Yan Liu
- Department of Plant Pathology, Washington State University, Pullman, WA 99164, U.S.A
| | | | - Weizhen Liu
- School of Computer Science and Technology, Wuhan University of Technology, Wuhan 430000, China
| | - Travis Ruff
- Wheat Health, Genetics and Quality Research, U.S. Department of Agriculture's Agricultural Research Service, Pullman, WA 99164, U.S.A
| | - Marcus Hooker
- Department of Plant Pathology, Washington State University, Pullman, WA 99164, U.S.A
| | - Sajal Sthapit
- Department of Plant Pathology, Washington State University, Pullman, WA 99164, U.S.A
| | - Elliott Marston
- Department of Plant Pathology, Washington State University, Pullman, WA 99164, U.S.A
| | - Karol Marlowe
- Wheat Health, Genetics and Quality Research, U.S. Department of Agriculture's Agricultural Research Service, Pullman, WA 99164, U.S.A
| | - Michael Pumphrey
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA 99164, U.S.A
| | - Deven R See
- Department of Plant Pathology, Washington State University, Pullman, WA 99164, U.S.A
- Wheat Health, Genetics and Quality Research, U.S. Department of Agriculture's Agricultural Research Service, Pullman, WA 99164, U.S.A
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Yao F, Guan F, Duan L, Long L, Tang H, Jiang Y, Li H, Jiang Q, Wang J, Qi P, Kang H, Li W, Ma J, Pu Z, Deng M, Wei Y, Zheng Y, Chen X, Chen G. Genome-Wide Association Analysis of Stable Stripe Rust Resistance Loci in a Chinese Wheat Landrace Panel Using the 660K SNP Array. FRONTIERS IN PLANT SCIENCE 2021; 12:783830. [PMID: 35003168 PMCID: PMC8728361 DOI: 10.3389/fpls.2021.783830] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 11/23/2021] [Indexed: 06/14/2023]
Abstract
Stripe rust (caused by Puccinia striiformis f. sp. tritici) is one of the most severe diseases affecting wheat production. The disease is best controlled by developing and growing resistant cultivars. Chinese wheat (Triticum aestivum) landraces have excellent resistance to stripe rust. The objectives of this study were to identify wheat landraces with stable resistance and map quantitative trait loci (QTL) for resistance to stripe rust from 271 Chinese wheat landraces using a genome-wide association study (GWAS) approach. The landraces were phenotyped for stripe rust responses at the seedling stage with two predominant Chinese races of P. striiformis f. sp. tritici in a greenhouse and the adult-plant stage in four field environments and genotyped using the 660K wheat single-nucleotide polymorphism (SNP) array. Thirteen landraces with stable resistance were identified, and 17 QTL, including eight associated to all-stage resistance and nine to adult-plant resistance, were mapped on chromosomes 1A, 1B, 2A, 2D, 3A, 3B, 5A, 5B, 6D, and 7A. These QTL explained 6.06-16.46% of the phenotypic variation. Five of the QTL, QYrCL.sicau-3AL, QYrCL.sicau-3B.4, QYrCL.sicau-3B.5, QYrCL.sicau-5AL.1 and QYrCL.sicau-7AL, were likely new. Five Kompetitive allele specific PCR (KASP) markers for four of the QTL were converted from the significant SNP markers. The identified wheat landraces with stable resistance to stripe rust, significant QTL, and KASP markers should be useful for breeding wheat cultivars with durable resistance to stripe rust.
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Affiliation(s)
- Fangjie Yao
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Fangnian Guan
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Luyao Duan
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Li Long
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Hao Tang
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Yunfeng Jiang
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Hao Li
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Qiantao Jiang
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
| | - Jirui Wang
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- College of Agronomy, Sichuan Agricultural University, Chengdu, China
| | - Pengfei Qi
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Houyang Kang
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
| | - Wei Li
- College of Agronomy, Sichuan Agricultural University, Chengdu, China
| | - Jian Ma
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Zhien Pu
- College of Agronomy, Sichuan Agricultural University, Chengdu, China
| | - Mei Deng
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Yuming Wei
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
| | - Youliang Zheng
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
| | - Xianming Chen
- Wheat Health, Genetics and Quality Research Unit, United States Department of Agriculture, Agricultural Research Service, Pullman, WA, United States
- Department of Plant Pathology, Washington State University, Pullman, WA, United States
| | - Guoyue Chen
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
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Merrick LF, Burke AB, Chen X, Carter AH. Breeding With Major and Minor Genes: Genomic Selection for Quantitative Disease Resistance. FRONTIERS IN PLANT SCIENCE 2021; 12:713667. [PMID: 34421966 PMCID: PMC8377761 DOI: 10.3389/fpls.2021.713667] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Accepted: 07/08/2021] [Indexed: 06/13/2023]
Abstract
Disease resistance in plants is mostly quantitative, with both major and minor genes controlling resistance. This research aimed to optimize genomic selection (GS) models for use in breeding programs that are needed to select both major and minor genes for resistance. In this study, stripe rust (Puccinia striiformis Westend. f. sp. tritici Erikss.) of wheat (Triticum aestivum L.) was used as a model for quantitative disease resistance. The quantitative nature of stripe rust is usually phenotyped with two disease traits, infection type (IT) and disease severity (SEV). We compared two types of training populations composed of 2,630 breeding lines (BLs) phenotyped in single-plot trials from 4 years (2016-2020) and 475 diversity panel (DP) lines from 4 years (2013-2016), both across two locations. We also compared the accuracy of models using four different major gene markers and genome-wide association study (GWAS) markers as fixed effects. The prediction models used 31,975 markers that are replicated 50 times using a 5-fold cross-validation. We then compared GS models using a marker-assisted selection (MAS) to compare the prediction accuracy of the markers alone and in combination. GS models had higher accuracies than MAS and reached an accuracy of 0.72 for disease SEV. The major gene and GWAS markers had only a small to nil increase in the prediction accuracy more than the base GS model, with the highest accuracy increase of 0.03 for the major markers and 0.06 for the GWAS markers. There was a statistical increase in the accuracy using the disease SEV trait, BLs, population type, and combining years. There was also a statistical increase in the accuracy using the major markers in the validation sets as the mean accuracy decreased. The inclusion of fixed effects in low prediction scenarios increased the accuracy up to 0.06 for GS models using significant GWAS markers. Our results indicate that GS can accurately predict quantitative disease resistance in the presence of major and minor genes.
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Affiliation(s)
- Lance F. Merrick
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA, United States
| | - Adrienne B. Burke
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA, United States
| | - Xianming Chen
- United States Department of Agriculture-Agricultural Research Service Wheat Health, Genetics and Quality Research Unit, Department of Plant Pathology, Washington State University, Pullman, WA, United States
| | - Arron H. Carter
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA, United States
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Wu Y, Wang Y, Yao F, Long L, Li J, Li H, Pu Z, Li W, Jiang Q, Wang J, Wei Y, Ma J, Kang H, Qi P, Dai S, Deng M, Zheng Y, Jiang Y, Chen G. Molecular Mapping of a Novel Quantitative Trait Locus Conferring Adult Plant Resistance to Stripe Rust in Chinese Wheat Landrace Guangtoumai. PLANT DISEASE 2021; 105:1919-1925. [PMID: 32990521 DOI: 10.1094/pdis-07-20-1544-re] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Stripe rust (yellow rust), caused by Puccinia striiformis f. sp. tritici, is one of the most destructive diseases of wheat worldwide. Chinese wheat landrace Guangtoumai (GTM) exhibited a high level of resistance against predominant P. striiformis f. sp. tritici races in China at the adult plant stage. The objective of this research was to identify and map the major locus/loci for stripe rust resistance in GTM. A set of 212 recombinant inbred lines (RILs) was developed from a cross between GTM and Avocet S. The parents and RILs were evaluated in three field tests (2018, 2019, and 2020 at Chongzhou, Sichuan) with the currently predominant P. striiformis f. sp. tritici races for final disease severity and genotyped with the Wheat 55K single nucleotide polymorphism (SNP) array to construct a genetic map with 1,031 SNP markers. A major locus, named QYr.GTM-5DL, was detected on chromosome 5DL in GTM. The locus was mapped in a 2.75-cM interval flanked by SNP markers AX-109855976 and AX-109453419, explaining up to 44.4% of the total phenotypic variation. Since no known Yr genes have been reported on chromosome 5DL, QYr.GTM-5DL is very likely a novel adult plant resistance locus. Haplotype analysis revealed that the resistance allele displayed enhanced levels of stripe rust resistance and is likely present in 5.3% of the 247 surveyed Chinese wheat landraces. The derived cleaved amplified polymorphic sequence (dCAPS) marker dCAPS-5722, converted from a SNP marker tightly linked to QYr.GTM-5DL with 0.3 cM, was validated on a subset of RILs and 48 commercial wheat cultivars developed in Sichuan. The results indicated that QYr.GTM-5DL with its linked dCAPS marker could be used in marker-assisted selection to improve stripe rust resistance in breeding programs, and this quantitative trait locus will provide new and possibly durable resistance to stripe rust.
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Affiliation(s)
- Yu Wu
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Yuqi Wang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Fangjie Yao
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Li Long
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Jing Li
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Hao Li
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Zhien Pu
- College of Agronomy, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Wei Li
- College of Agronomy, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Qiantao Jiang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Jirui Wang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Yuming Wei
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Jian Ma
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Houyang Kang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Pengfei Qi
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Shoufen Dai
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Mei Deng
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Youliang Zheng
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Yunfeng Jiang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
| | - Guoyue Chen
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, P. R. China
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Wang Y, Yu C, Cheng Y, Yao F, Long L, Wu Y, Li J, Li H, Wang J, Jiang Q, Li W, Pu Z, Qi P, Ma J, Deng M, Wei Y, Chen X, Chen G, Kang H, Jiang Y, Zheng Y. Genome-wide association mapping reveals potential novel loci controlling stripe rust resistance in a Chinese wheat landrace diversity panel from the southern autumn-sown spring wheat zone. BMC Genomics 2021; 22:34. [PMID: 33413106 PMCID: PMC7791647 DOI: 10.1186/s12864-020-07331-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 12/15/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Stripe rust, caused by the fungal pathogen Puccinia striiformis f. sp. tritici (Pst), is a serious foliar disease of wheat. Identification of novel stripe rust resistance genes and cultivation of resistant cultivars are considered to be the most effective approaches to control this disease. In this study, we evaluated the infection type (IT), disease severity (DS) and area under the disease progress curve (AUDPC) of 143 Chinese wheat landrace accessions for stripe rust resistance. Assessments were undertaken in five environments at the adult-plant stage with Pst mixture races under field conditions. In addition, IT was assessed at the seedling stage with two prevalent Pst races (CYR32 and CYR34) under a controlled greenhouse environment. RESULTS Seventeen accessions showed stable high-level resistance to stripe rust across all environments in the field tests. Four accessions showed resistance to the Pst races CYR32 and CYR34 at the seedling stage. Combining phenotypic data from the field and greenhouse trials with 6404 markers that covered the entire genome, we detected 17 quantitative trait loci (QTL) on 11 chromosomes for IT associated with seedling resistance and 15 QTL on seven chromosomes for IT, final disease severity (FDS) or AUDPC associated with adult-plant resistance. Four stable QTL detected on four chromosomes, which explained 9.99-23.30% of the phenotypic variation, were simultaneously associated with seedling and adult-plant resistance. Integrating a linkage map of stripe rust resistance in wheat, 27 QTL overlapped with previously reported genes or QTL, whereas four and one QTL conferring seedling and adult-plant resistance, respectively, were mapped distantly from previously reported stripe rust resistance genes or QTL and thus may be novel resistance loci. CONCLUSIONS Our results provided an integrated overview of stripe rust resistance resources in a wheat landrace diversity panel from the southern autumn-sown spring wheat zone of China. The identified resistant accessions and resistance loci will be useful in the ongoing effort to develop new wheat cultivars with strong resistance to stripe rust.
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Affiliation(s)
- Yuqi Wang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Can Yu
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Yukun Cheng
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Fangjie Yao
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Li Long
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Yu Wu
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Jing Li
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Hao Li
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Jirui Wang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Qiantao Jiang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Wei Li
- College of Agronomy, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Zhien Pu
- College of Agronomy, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Pengfei Qi
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Jian Ma
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Mei Deng
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Yuming Wei
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Xianming Chen
- US Department of Agriculture, Agricultural Research Service, Wheat Health, Genetics and Quality Research Unit; and Department of Plant Pathology, Washington State University, Pullman, WA, 99164-6430, USA
| | - Guoyue Chen
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan, 611130, P. R. China
| | - Houyang Kang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China.
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan, 611130, P. R. China.
| | - Yunfeng Jiang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China.
| | - Youliang Zheng
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, P. R. China.
- State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan, 611130, P. R. China.
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Yao F, Long L, Wang Y, Duan L, Zhao X, Jiang Y, Li H, Pu Z, Li W, Jiang Q, Wang J, Wei Y, Ma J, Kang H, Dai S, Qi P, Zheng Y, Chen X, Chen G. Population structure and genetic basis of the stripe rust resistance of 140 Chinese wheat landraces revealed by a genome-wide association study. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2020; 301:110688. [PMID: 33218646 DOI: 10.1016/j.plantsci.2020.110688] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 09/16/2020] [Accepted: 09/18/2020] [Indexed: 06/11/2023]
Abstract
Stripe rust caused by Puccinia striiformis f. sp. tritici (Pst) is one of the most devastating foliar diseases in wheat. Host resistance is the most effective strategy for the management of the disease. To screen for accessions with stable resistance and identify effective stripe rust resistance loci, a genome-wide association study (GWAS) was conducted using a panel of 140 Chinese wheat landraces. The panel was evaluated for stripe rust response at the adult-plant stage at six field-year environments with mixed races and at the seedling stage with two separate predominant races of the pathogen, and genotyped with the genome-wide Diversity Arrays Technology markers. The panel displayed abundant phenotypic variation in stripe rust responses, with 9 landraces showing stable resistance to the mixture of Pst races at the adult-plant stage in the field and 10 landraces showing resistance to individual races at the seedling stage in the greenhouse. GWAS identified 12 quantitative trait loci (QTL) significantly (P ≤ 0.001) associated to stripe rust resistance using the field data of at least two environments and 18 QTL using the seedling data with two races. Among these QTL, 10 were presumably novel, including 4 for adult-plant resistance mapped to chromosomes 1B (QYrcl.sicau-1B.3), 4A (QYrcl.sicau-4A.3), 6A (QYrcl.sicau-6A.2) and 7B (QYrcl.sicau-7B.2) and 6 for all-stage resistance mapped to chromosomes 2D (QYrcl.sicau-2D.1), 3B (QYrcl.sicau-3B.3), 3D (QYrcl.sicau-3D), 4B (QYrcl.sicau-4B), 6A (QYrcl.sicau-6A.1) and 6D (QYrcl.sicau-6D). The landraces with stable resistance can be used for developing wheat cultivars with effective resistance to stripe rust.
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Affiliation(s)
- Fangjie Yao
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China; State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Li Long
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China; State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Yuqi Wang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China; State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Luyao Duan
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China; State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Xuyang Zhao
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China; State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Yunfeng Jiang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Hao Li
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Zhien Pu
- College of Agronomy, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Wei Li
- College of Agronomy, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Qiantao Jiang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China; State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Jirui Wang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China; State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Yuming Wei
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China; State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Jian Ma
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Houyang Kang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China; State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Shoufen Dai
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Pengfei Qi
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Youliang Zheng
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China; State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, PR China
| | - Xianming Chen
- US Department of Agriculture, Agricultural Research Service, Wheat Health, Genetics and Quality Research Unit, Department of Plant Pathology, Washington State University, Pullman, WA 99164, USA
| | - Guoyue Chen
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130, PR China; State Key Laboratory of Crop Gene Exploitation and Utilization in Southwest China, Wenjiang, Chengdu, Sichuan 611130, PR China.
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Utilization of Evolutionary Plant Breeding Increases Stability and Adaptation of Winter Wheat Across Diverse Precipitation Zones. SUSTAINABILITY 2020. [DOI: 10.3390/su12229728] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Evolutionary plant breeding (EPB) is a breeding method that was used to create wheat (Triticum aestivum L.)-evolving populations (EP), bi-parental and composite-cross populations (BPPs and CCPs), by using natural selection and bulking of seed to select the most adaptable, diverse population in an environment by increasing the frequency of favorable alleles in a heterogeneous population. This study used seven EPs to evaluate EPB in its ability to increase the performance of agronomic, quality, and disease resistance traits and adaptability across different precipitation zones. The populations were tested in field trials in three diverse locations over 2 years. Least significant differences showed the EPs performance was dependent on their pedigree and were statistically similar and even out-performed some of their respective parents in regards to grain yield, grain protein concentration, and disease resistance. Stability models including Eberhart and Russel’s deviation from Regression (S2di), Shukla’s Stability Variance (σi2), Wricke’s Ecovalance (Wi), and the multivariate Additive Main Effects and Multiplicative Interaction (AMMI) model were used to evaluate the adaptability of the EPs and their parents. The BPPs and CCPs demonstrated significantly greater stability over the parents across precipitation zones, confirming the capacity of genetically diverse EP populations to adapt to different environments.
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Liu Y, Qie Y, Li X, Wang M, Chen X. Genome-Wide Mapping of Quantitative Trait Loci Conferring All-Stage and High-Temperature Adult-Plant Resistance to Stripe Rust in Spring Wheat Landrace PI 181410. Int J Mol Sci 2020; 21:ijms21020478. [PMID: 31940871 PMCID: PMC7014124 DOI: 10.3390/ijms21020478] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/08/2020] [Accepted: 01/09/2020] [Indexed: 11/16/2022] Open
Abstract
Stripe rust, caused by Puccinia striiformis f. sp. tritici (Pst), is one of the most destructive diseases of wheat in the world. Genetic resistance is the best strategy for control of the disease. Spring wheat landrace PI 181410 has shown high level resistance to stripe rust. The present study characterized the landrace to have both race-specific all-stage resistance and nonrace-specific high-temperature adult-plant (HTAP) resistance. To map quantitative trait loci (QTL) for the resistance in PI 181410, it was crossed with Avocet S (AvS), from which a recombinant inbred line population was developed. The F5–F8 populations were consecutively phenotyped for stripe rust response in multiple field environments under natural Pst infection, and the F7 population was phenotyped in seedlings at low temperature and in adult-plant stage with selected Pst races in the greenhouse. The F7 population was genotyped using the 90K wheat SNP chip. Three QTL, QYrPI181410.wgp-4AS, QYrPI181410.wgp-4BL, and QYrPI181410.wgp-5BL.1, from PI 181410 for all-stage resistance, were mapped on chromosome arms 4AS, 4BL, and 5BL, respectively. Four QTL, QYrPI181410.wgp-1BL, QYrPI181410.wgp-4BL, QYrPI181410.wgp-5AS, and QYrPI181410.wgp-5BL.2, were identified from PI 181410 for HTAP resistance and mapped to 1BL, 4BL, 5AS, and 5BL, respectively. Two QTL with minor effects on stripe rust response were identified from AvS and mapped to 2BS and 2BL. Four of the QTL from PI 181410 and one from AvS were potentially new. As the 4BL QTL was most effective and likely a new gene for stripe rust resistance, three kompetitive allele specific PCR (KASP) markers were developed for incorporating this gene into new wheat cultivars.
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Affiliation(s)
- Yan Liu
- Department of Plant Pathology, Washington State University, Pullman, WA 99164-6430, USA; (Y.L.); (Y.Q.); (X.L.); (M.W.)
| | - Yanmin Qie
- Department of Plant Pathology, Washington State University, Pullman, WA 99164-6430, USA; (Y.L.); (Y.Q.); (X.L.); (M.W.)
- Institute of Cereal and Oil Crops, Hebei Academy of Agricultural and Forestry Sciences, 162 Hengshan Street, Gaoxin District, Shijiazhuang, Hebei 050035, China
| | - Xing Li
- Department of Plant Pathology, Washington State University, Pullman, WA 99164-6430, USA; (Y.L.); (Y.Q.); (X.L.); (M.W.)
- College of Plant Protection, Hebei Agricultural University, Baoding, Hebei 071001, China
| | - Meinan Wang
- Department of Plant Pathology, Washington State University, Pullman, WA 99164-6430, USA; (Y.L.); (Y.Q.); (X.L.); (M.W.)
| | - Xianming Chen
- Department of Plant Pathology, Washington State University, Pullman, WA 99164-6430, USA; (Y.L.); (Y.Q.); (X.L.); (M.W.)
- US Department of Agriculture, Agricultural Research Service, Wheat Health, Genetics, and Quality Research Unit, Pullman, WA 99164-6430, USA
- Correspondence: ; Tel.: +1-509-335-8086
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10
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Liu L, Yuan C, Wang M, See DR, Chen X. Mapping Quantitative Trait Loci for High-Temperature Adult-Plant Resistance to Stripe Rust in Spring Wheat PI 197734 Using a Doubled Haploid Population and Genotyping by Multiplexed Sequencing. FRONTIERS IN PLANT SCIENCE 2020; 11:596962. [PMID: 33281855 PMCID: PMC7688900 DOI: 10.3389/fpls.2020.596962] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 10/15/2020] [Indexed: 05/13/2023]
Abstract
Stripe rust caused by Puccinia striiformis f. sp. tritici (Pst) is a global concern for wheat production. Spring wheat cultivar PI 197734, of Sweden origin, has shown high-temperature adult-plant resistance (APR) to stripe rust for many years. To map resistance quantitative trait loci (QTL), 178 doubled haploid lines were developed from a cross of PI 197734 with susceptible AvS. The DH lines and parents were tested in fields in 2017 and 2018 under natural infection of Pst and genotyped with genotyping by multiplexed sequencing (GMS). Kompetitive allele specific PCR (KASP) and simple sequence repeat (SSR) markers from specific chromosomal regions were also used to genotype the population to validate and saturate resistance QTL regions. Two major QTL on chromosomes 1AL and 3BL and one minor QTL on 2AL were identified. The two major QTL, QYrPI197734.wgp-1A and QYrPI197734.wgp-3B, were detected in all tested environments explaining up to 20.7 and 46.8% phenotypic variation, respectively. An awnletted gene mapped to the expected distal end of chromosome 5AL indicated the accuracy of linkage mapping. The KASP markers converted from the GMS-SNPs in the 1A and 3B QTL regions were used to genotype 95 US spring wheat cultivars and breeding lines, and they individually showed different percentages of polymorphisms. The haplotypes of the three markers for the 1A QTL and four markers for the 3B QTL identified 37.9 and 21.1% of the wheat cultivar/breeding lines possibly carrying these two QTL, indicating their usefulness in marker-assisted selection (MAS) for incorporating the two major QTL into new wheat cultivars.
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Affiliation(s)
- Lu Liu
- Department of Plant Pathology, Washington State University, Pullman, WA, United States
- Agriculture and Agri-Food Canada, Summerland Research and Development Centre, Summerland, BC, Canada
| | - Congying Yuan
- Department of Plant Pathology, Washington State University, Pullman, WA, United States
- College of Life Sciences, Luoyang Normal University, Luoyang, China
| | - Meinan Wang
- Department of Plant Pathology, Washington State University, Pullman, WA, United States
| | - Deven R. See
- Department of Plant Pathology, Washington State University, Pullman, WA, United States
- Wheat Health, Genetics, and Quality Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Pullman, WA, United States
| | - Xianming Chen
- Department of Plant Pathology, Washington State University, Pullman, WA, United States
- Wheat Health, Genetics, and Quality Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Pullman, WA, United States
- *Correspondence: Xianming Chen, ;
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11
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Liu W, Kolmer J, Rynearson S, Chen X, Gao L, Anderson JA, Turner MK, Pumphrey M. Identifying Loci Conferring Resistance to Leaf and Stripe Rusts in a Spring Wheat Population ( Triticum aestivum) via Genome-Wide Association Mapping. PHYTOPATHOLOGY 2019; 109:1932-1940. [PMID: 31282284 DOI: 10.1094/phyto-04-19-0143-r] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A previous genome-wide association study (GWAS) for leaf rust (caused by Puccinia triticina) resistance identified 46 resistance quantitative trait loci (QTL) in an elite spring wheat leaf rust resistance diversity panel. With the aim of characterizing the pleiotropic resistance sources to both leaf rust and stripe rust (caused by P. striiformis f. sp. tritici), stripe rust responses were tested in five U.S. environments at the adult-plant stage and to five U.S. races at the seedling stage. The data revealed balanced phenotypic distributions in this population except for the seedling response to P. striiformis f. sp. tritici race PSTv-37. GWAS for stripe rust resistance discovered a total of 21 QTL significantly associated with all-stage or field resistance on chromosomes 1B, 1D, 2B, 3B, 4A, 5A, 5B, 5D, 6A, 6B, 7A, and 7B. Previously documented pleiotropic resistance genes Yr18/Lr34 and Yr46/Lr67 and tightly linked genes Yr17-Lr37 and Yr30-Sr2-Lr27 were also detected in this population. In addition, stripe rust resistance QTL Yrswp-2B.1, Yrswp-3B, and Yrswp-7B colocated with leaf rust resistance loci 2B_3, 3B_t2, and 7B_4, respectively. Haplotype analysis uncovered that Yrswp-3B and 3B_t2 were either tightly linked genes or the same gene for resistance to both stripe and leaf rusts. Single nucleotide polymorphism markers IWB35950, IWB74350, and IWB72134 for the 3B QTL conferring resistance to both rusts should be useful in incorporating the resistance allele(s) in new cultivars.
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Affiliation(s)
- Weizhen Liu
- School of Computer Science and Technology, Wuhan University of Technology, Wuhan, Hubei 430070, China
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA 99164-6430, U.S.A
| | - James Kolmer
- Cereal Disease Laboratory, U.S. Department of Agriculture Agricultural Research Service, St. Paul, MN 55108, U.S.A
- Department of Plant Pathology, University of Minnesota, St. Paul, MN 55018, U.S.A
| | - Sheri Rynearson
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA 99164-6430, U.S.A
| | - Xianming Chen
- Wheat Health, Genetics, and Quality Research Unit, U.S. Department of Agriculture Agricultural Research Service, Pullman, WA 99164-6430, U.S.A
- Department of Plant Pathology, Washington State University, Pullman, WA 99164-6430, U.S.A
| | - Liangliang Gao
- Department of Agronomy and Plant Genetics, University of Minnesota, St. Paul, MN 55108, U.S.A
- Department of Plant Pathology, Kansas State University, Manhattan, KS 66502, U.S.A
| | - James A Anderson
- Department of Agronomy and Plant Genetics, University of Minnesota, St. Paul, MN 55108, U.S.A
| | - M Kathryn Turner
- Department of Agronomy and Plant Genetics, University of Minnesota, St. Paul, MN 55108, U.S.A
- The Land Institute, Salina, KS 67401, U.S.A
| | - Michael Pumphrey
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA 99164-6430, U.S.A
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12
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Mu J, Wu J, Liu S, Dai M, Sun D, Huang S, Wang Q, Zeng Q, Yu S, Chen L, Kang Z, Han D. Genome-Wide Linkage Mapping Reveals Stripe Rust Resistance in Common Wheat ( Triticum aestivum) Xinong1376. PLANT DISEASE 2019; 103:2742-2750. [PMID: 31509495 DOI: 10.1094/pdis-12-18-2264-re] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Stripe rust, also known as yellow rust, is a significant threat to wheat yield worldwide. Adult plant resistance (APR) is the preferred way to obtain durable protection. Chinese winter wheat cultivar Xinong1376 has maintained acceptable APR to stripe rust in field environments. To characterize APR in this cultivar, 190 F10 recombinant inbred lines (RILs) developed from Xiaoyan81 × Xinong1376 were evaluated for infection type and disease severity in fields either artificially or naturally inoculated. The population along with parents were genotyped using the Illumina 90K single-nucleotide polymorphism arrays. Six quantitative trait loci (QTL) were detected using the inclusive composite interval mapping method. QYr.nwafu-4AL and QYr.nwafu-6BL.3 conferred stable resistance in all environments, and likely corresponded to a gene-rich region on the long arm of chromosomes 4A and 6B. QYr.nwafu-5AL, QYr.nwafu-5BL, QYr.nwafu-3BL.1, and QYr.nwafu-3BL.2 were detected only in some environments but enhanced the level of resistance conferred by QYr.nwafu-4AL and QYr.nwafu-6BL.3. Kompetitive allele-specific PCR (KASP) markers developed for QYr.nwafu-4AL and QYr.nwafu-6BL.3 were confirmed in a subset of RILs and 133 wheat genotypes. The QTL on 4AL and 6BL with their linked KASP markers would be useful for marker-assisted selection to improve stripe rust resistance in breeding programs.
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Affiliation(s)
- Jingmei Mu
- State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Jianhui Wu
- State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Shengjie Liu
- State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Miaofei Dai
- State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Daojie Sun
- State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Shuo Huang
- State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Qilin Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Qingdong Zeng
- State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Shizhou Yu
- State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Li Chen
- Extension Center for Agriculture Technology, Agriculture Department of Tibetan Autonomous Region, China
| | - Zhensheng Kang
- State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Dejun Han
- State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, 712100, Shaanxi, China
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Cheng Y, Li J, Yao F, Long L, Wang Y, Wu Y, Li J, Ye X, Wang J, Jiang Q, Kang H, Li W, Qi P, Liu Y, Deng M, Ma J, Jiang Y, Chen X, Zheng Y, Wei Y, Chen G. Dissection of loci conferring resistance to stripe rust in Chinese wheat landraces from the middle and lower reaches of the Yangtze River via genome-wide association study. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2019; 287:110204. [PMID: 31481207 DOI: 10.1016/j.plantsci.2019.110204] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 07/24/2019] [Accepted: 07/25/2019] [Indexed: 05/13/2023]
Abstract
Stripe rust (Yr), caused by the fungal pathogen Puccinia striiformis f. sp. tritici, is a devastating foliar disease of wheat in China. Chinese wheat landraces originating from the middle and lower reaches of the Yangtze River are potential stripe-rust resistance resources. To identify APR genes for stripe-rust resistance, a panel of 188 accessions derived from the middle and lower reaches of the Yangtze River were inoculated with a mixture of Chinese P. striiformis f. sp. tritici races and resistance evaluated under field conditions in five environments at adult-plant stages. Seventy-three accessions showed degrees of stable resistance. Combining phenotypic datasets from multiple field experiments with high-quality Diversity Arrays Technology and simple sequence repeat markers, we detected 21 marker-trait associations spanning 18 quantitative trait loci (QTLs) on chromosomes 1B, 2A, 2B, 3B, 4A, 5A, 5B, 6B, and 6D, respectively. Single QTLs explained 9.67% to 16.14% of the observed phenotypic variation. Nine QTLs co-localized with previously reported Yr genes or genomic regions. The remaining QTLs were potential novel loci associated with adult-stage stripe-rust resistance. Two novel QTLs, QYr.sicau-3B.2 and QYr.sicau-5B.3, located on chromosomes 3B and 5B significantly explained 16.14% and 11.16% of the phenotypic variation, respectively. Haplotype analysis revealed that accessions carrying APR variants or their combinations showed enhanced degrees of resistance. The potentially novel loci or genomic regions associated with adult-stage resistance may be useful to improve stripe-rust resistance in current wheat cultivars and for future isolation of stripe-rust resistance genes.
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Affiliation(s)
- Yukun Cheng
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Jian Li
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Fangjie Yao
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Li Long
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Yuqi Wang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Yu Wu
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Jing Li
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Xueling Ye
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Jirui Wang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Qiantao Jiang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Houyang Kang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Wei Li
- College of Agronomy, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Pengfei Qi
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Yaxi Liu
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Mei Deng
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Jian Ma
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Yunfeng Jiang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Xianming Chen
- US Department of Agriculture, Agricultural Research Service, Wheat Health, Genetics and Quality Research Unit, USA; Department of Plant Pathology, Washington State University, Pullman, WA 99164-6430, USA
| | - Youliang Zheng
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China
| | - Yuming Wei
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China.
| | - Guoyue Chen
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, PR China.
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14
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Yao F, Zhang X, Ye X, Li J, Long L, Yu C, Li J, Wang Y, Wu Y, Wang J, Jiang Q, Li W, Ma J, Wei Y, Zheng Y, Chen G. Characterization of molecular diversity and genome-wide association study of stripe rust resistance at the adult plant stage in Northern Chinese wheat landraces. BMC Genet 2019; 20:38. [PMID: 30914040 PMCID: PMC6434810 DOI: 10.1186/s12863-019-0736-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 03/03/2019] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Stripe rust is a serious fungal disease of wheat (Triticum aestivum L.) caused by Puccinia striiformis f. sp. tritici (Pst), which results in yield reduction and decreased grain quality. Breeding for genetic resistance to stripe rust is the most cost-effective method to control the disease. In the present study, a genome-wide association study (GWAS) was conducted to identify markers linked to stripe rust resistance genes (or loci) in 93 Northern Chinese wheat landraces, using Diversity Arrays Technology (DArT) and simple sequence repeat (SSR) molecular marker technology based on phenotypic data from two field locations over two growing seasons in China. RESULTS Seventeen accessions were verified to display stable and high levels of adult plant resistance (APR) to stripe rust via multi-environment field assessments. Significant correlations among environments and high heritability were observed for stripe rust infection type (IT) and disease severity (DS). Using mixed linear models (MLM) for the GWAS, a total of 32 significantly associated loci (P < 0.001) were detected. In combination with the linkage disequilibrium (LD) decay distance (6.4 cM), 25 quantitative trait loci (QTL) were identified. Based on the integrated map of previously reported genes and QTL, six QTL located on chromosomes 4A, 6A and 7D were mapped far from resistance regions identified previously, and represent potentially novel stripe rust resistance loci at the adult plant stage. CONCLUSIONS The present findings demonstrated that identification of genes or loci linked to significant markers in wheat by GWAS is feasible. Seventeen elite accessions conferred with stable and high resistance to stripe rust, and six putative newly detected APR loci were identified among the 93 Northern Chinese wheat landraces. The results illustrate the potential for acceleration of molecular breeding of wheat, and also provide novel sources of stripe rust resistance with potential utility in the breeding of improved wheat cultivars.
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Affiliation(s)
- Fangjie Yao
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
| | - Xuemei Zhang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
| | - Xueling Ye
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
| | - Jian Li
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
| | - Li Long
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
| | - Can Yu
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
| | - Jing Li
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
| | - Yuqi Wang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
| | - Yu Wu
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
| | - Jirui Wang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
- State Key Laboratory of Crop Genetics of Disease Resistance and Disease Control, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
| | - Qiantao Jiang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
| | - Wei Li
- College of Agronomy, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
| | - Jian Ma
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
| | - Yuming Wei
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
- State Key Laboratory of Crop Genetics of Disease Resistance and Disease Control, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
| | - Youliang Zheng
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
- State Key Laboratory of Crop Genetics of Disease Resistance and Disease Control, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
| | - Guoyue Chen
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
- State Key Laboratory of Crop Genetics of Disease Resistance and Disease Control, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan 611130 People’s Republic of China
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15
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Case AJ, Bhavani S, Macharia G, Pretorius Z, Coetzee V, Kloppers F, Tyagi P, Brown-Guedira G, Steffenson BJ. Mapping adult plant stem rust resistance in barley accessions Hietpas-5 and GAW-79. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2018; 131:2245-2266. [PMID: 30109391 DOI: 10.1007/s00122-018-3149-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 07/23/2018] [Indexed: 06/08/2023]
Abstract
Key message Major stem rust resistance QTLs proposed to be Rpg2 from Hietpas-5 and Rpg3 from GAW-79 were identified in chromosomes 2H and 5H, respectively, and will enhance the diversity of stem rust resistance in barley improvement programs. Stem rust is a devastating disease of cereal crops worldwide. In barley (Hordeum vulgare ssp. vulgare), the disease is caused by two pathogens: Puccinia graminis f. sp. secalis (Pgs) and Puccinia graminis f. sp. tritici (Pgt). In North America, the stem rust resistance gene Rpg1 has protected barley from serious losses for more than 60 years; however, widely virulent Pgt races from Africa in the Ug99 group threaten the crop. The accessions Hietpas-5 (CIho 7124) and GAW-79 (PI 382313) both possess moderate-to-high levels of adult plant resistance to stem rust and are the sources of the resistance genes Rpg2 and Rpg3, respectively. To identify quantitative trait loci (QTL) for stem rust resistance in Hietpas-5 and GAW-79, two biparental populations were developed with Hiproly (PI 60693), a stem rust-susceptible accession. Both populations were phenotyped to the North American Pgt races of MCCFC, QCCJB, and HKHJC in St. Paul, Minnesota, and to African Pgt races (predominately TTKSK in the Ug99 group) in Njoro, Kenya. In the Hietpas-5/Hiproly population, a major effect QTL was identified in chromosome 2H, which is proposed as the location for Rpg2. In the GAW-79/Hiproly population, a major effect QTL was identified in chromosome 5H and is the proposed location for Rpg3. These QTLs will enhance the diversity of stem rust resistance in barley improvement programs.
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Affiliation(s)
- Austin J Case
- Department of Plant Pathology, University of Minnesota, St. Paul, MN, USA
| | - Sridhar Bhavani
- Centro Internacional de Mejoramiento de Maíz y Trigo (CIMMYT), Nairobi, Kenya
| | - Godwin Macharia
- Kenya Agriculture and Livestock Research Organization (KALRO), Njoro, Kenya
| | - Zacharias Pretorius
- Department of Plant Sciences, University of the Free State, Bloemfontein, Republic of South Africa
| | - Vicky Coetzee
- Pannar Seed (Pyt) Ltd, Greytown, Republic of South Africa
| | | | - Priyanka Tyagi
- Department of Crop and Soil Sciences, North Carolina State University, Raleigh, NC, 27695, USA
| | | | - Brian J Steffenson
- Department of Plant Pathology, University of Minnesota, St. Paul, MN, USA.
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Liu L, Wang MN, Feng JY, See DR, Chao SM, Chen XM. Combination of all-stage and high-temperature adult-plant resistance QTL confers high-level, durable resistance to stripe rust in winter wheat cultivar Madsen. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2018; 131:1835-1849. [PMID: 29797034 DOI: 10.1007/s00122-018-3116-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 05/14/2018] [Indexed: 05/10/2023]
Abstract
Wheat cultivar Madsen has a new gene on the short arm of chromosome 1A and two QTL for all-stage resistance and three QTL for high-temperature adult-plant resistance that in combination confer high-level, durable resistance to stripe rust. Wheat cultivar Madsen has maintained a high-level resistance to stripe rust over 30 years. To map quantitative trait loci (QTL) underlying the high-level, durable resistance, 156 recombinant inbred lines (RILs) developed from cross Avocet S × Madsen were phenotyped with selected races of Puccinia striiformis f. sp. tritici in the greenhouse seedling tests, and in naturally infected fields during 2015-2017. The RILs were genotyped by SSR and SNP markers from genotyping by sequencing and the 90 K wheat SNP chip. Three QTL for all-stage resistance were mapped on chromosomes 1AS, 1BS and 2AS, and two QTL for high-temperature adult-plant (HTAP) resistance were mapped on 3BS and 6BS. The most effective QTL on 2AS, explaining 8.97-23.10% of the phenotypic variation in seedling tests and 8.60-71.23% in field tests, contained Yr17 for all-stage resistance and an additional gene for HTAP resistance. The 6BS QTL, detected in all field tests, was identified as Yr78. The 1AS QTL, conferring all-stage resistance, was identified as a new gene, which explained 20.45 and 30.23% of variation in resistance to races PSTv-37 and PSTv-40, respectively, and contributed significantly to field resistance at Pullman in 2015-2017, but was not detected at Mount Vernon. The interactions among QTL were mostly additive, and RILs with all five QTL had the highest level of resistance in the field, similar to Madsen. Genotyping 148 US Pacific Northwest wheat cultivars with markers for the 1AS, 2AS and 6BS QTL validated the genes and markers, and indicated their usefulness for marker-assisted selection.
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Affiliation(s)
- L Liu
- Department of Plant Pathology, Washington State University, Pullman, WA, 99164-6430, USA
| | - M N Wang
- Department of Plant Pathology, Washington State University, Pullman, WA, 99164-6430, USA
| | - J Y Feng
- Department of Plant Pathology, Washington State University, Pullman, WA, 99164-6430, USA
- Institute of Biotechnology and Nuclear Technology Research, Sichuan Academy of Agricultural Sciences, Chengdu, 610061, Sichuan, China
| | - D R See
- Department of Plant Pathology, Washington State University, Pullman, WA, 99164-6430, USA
- Wheat Health, Genetics and Quality Research Unit, USDA-ARS, Pullman, WA, 99164-6430, USA
| | - S M Chao
- Cereal Crops Research, USDA-ARS, Fargo, ND, 58102-2775, USA
| | - X M Chen
- Department of Plant Pathology, Washington State University, Pullman, WA, 99164-6430, USA.
- Wheat Health, Genetics and Quality Research Unit, USDA-ARS, Pullman, WA, 99164-6430, USA.
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17
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Liu W, Naruoka Y, Miller K, Garland-Campbell KA, Carter AH. Characterizing and Validating Stripe Rust Resistance Loci in US Pacific Northwest Winter Wheat Accessions ( Triticum aestivum L.) by Genome-wide Association and Linkage Mapping. THE PLANT GENOME 2018; 11. [PMID: 29505636 DOI: 10.3835/plantgenome2017.10.0087] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Stripe rust resistance is a critical need for wheat cultivars in the US Pacific Northwest (PNW). Our previous genome-wide association study (GWAS) for stripe rust resistance in a set of PNW winter wheat accessions (Panel-2) identified multiple marker-trait associations (MTAs) for both all-stage and field resistance. In this study, we conducted additional GWAS using a different set of PNW winter wheat accessions (Panel-1) that contained recently bred soft white winter wheat breeding lines and cultivars. A total of 12 all-stage resistance MTAs and eight field resistance MTAs were identified. Within these MTAs, nine MTAs for all-stage resistance and two MTAs for field resistance were located distinctly from previously characterized genes and likely represent novel loci. Markers IWB60567 (1B), IWB24342 (2A), and IWB46564 (2B) explained the largest phenotypic variances for disease responses. The analysis confirmed that MTAs on chromosome 1B were indeed the same as identified in Panel-2 and that MTAs on chromosome 2A were likely and closely linked to another field resistance QTL, (Panel-2). Haplotypes for MTAs on chromosome 1B, , and linked loci on chromosome 2A provide useful information for marker development and introgression of these QTL into wheat breeding programs.
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18
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Liu W, Maccaferri M, Chen X, Laghetti G, Pignone D, Pumphrey M, Tuberosa R. Genome-wide association mapping reveals a rich genetic architecture of stripe rust resistance loci in emmer wheat (Triticum turgidum ssp. dicoccum). TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2017; 130:2249-2270. [PMID: 28770301 PMCID: PMC5641275 DOI: 10.1007/s00122-017-2957-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Accepted: 07/26/2017] [Indexed: 05/05/2023]
Abstract
KEY MESSAGE SNP-based genome scanning in worldwide domesticated emmer germplasm showed high genetic diversity, rapid linkage disequilibrium decay and 51 loci for stripe rust resistance, a large proportion of which were novel. Cultivated emmer wheat (Triticum turgidum ssp. dicoccum), one of the oldest domesticated crops in the world, is a potentially rich reservoir of variation for improvement of resistance/tolerance to biotic and abiotic stresses in wheat. Resistance to stripe rust (Puccinia striiformis f. sp. tritici) in emmer wheat has been under-investigated. Here, we employed genome-wide association (GWAS) mapping with a mixed linear model to dissect effective stripe rust resistance loci in a worldwide collection of 176 cultivated emmer wheat accessions. Adult plants were tested in six environments and seedlings were evaluated with five races from the United States and one from Italy under greenhouse conditions. Five accessions were resistant across all experiments. The panel was genotyped with the wheat 90,000 Illumina iSelect single nucleotide polymorphism (SNP) array and 5106 polymorphic SNP markers with mapped positions were obtained. A high level of genetic diversity and fast linkage disequilibrium decay were observed. In total, we identified 14 loci associated with field resistance in multiple environments. Thirty-seven loci were significantly associated with all-stage (seedling) resistance and six of them were effective against multiple races. Of the 51 total loci, 29 were mapped distantly from previously reported stripe rust resistance genes or quantitative trait loci and represent newly discovered resistance loci. Our results suggest that GWAS is an effective method for characterizing genes in cultivated emmer wheat and confirm that emmer wheat is a rich source of stripe rust resistance loci that can be used for wheat improvement.
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Affiliation(s)
- Weizhen Liu
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA, 99164-6420, USA
| | - Marco Maccaferri
- Department of Agricultural Sciences, University of Bologna, 40127, Bologna, Italy
| | - Xianming Chen
- Wheat Health, Genetics, and Quality Research Unit, USDA-ARS, Pullman, WA, 99164-6430, USA
- Department of Plant Pathology, Washington State University, Pullman, WA, 99164-6430, USA
| | - Gaetano Laghetti
- CNR-Institute of Biosciences and Bioresources, 072006, Bari, Italy
| | - Domenico Pignone
- CNR-Institute of Biosciences and Bioresources, 072006, Bari, Italy
| | - Michael Pumphrey
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA, 99164-6420, USA.
| | - Roberto Tuberosa
- Department of Agricultural Sciences, University of Bologna, 40127, Bologna, Italy
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19
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Jernigan KL, Morris CF, Zemetra R, Chen J, Garland-Campbell K, Carter AH. Genetic analysis of soft white wheat end-use quality traits in a club by common wheat cross. J Cereal Sci 2017. [DOI: 10.1016/j.jcs.2017.06.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Yang L, Zhang X, Zhang X, Wang J, Luo M, Yang M, Wang H, Xiang L, Zeng F, Yu D, Fu D, Rosewarne GM. Identification and evaluation of resistance to powdery mildew and yellow rust in a wheat mapping population. PLoS One 2017; 12:e0177905. [PMID: 28542459 PMCID: PMC5441593 DOI: 10.1371/journal.pone.0177905] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 05/04/2017] [Indexed: 11/19/2022] Open
Abstract
Deployment of cultivars with genetic resistance is an effective approach to control the diseases of powdery mildew (PM) and yellow rust (YR). Chinese wheat cultivar XK0106 exhibits high levels of resistance to both diseases, while cultivar E07901 has partial, adult plant resistance (APR). The aim of this study was to map resistance loci derived from the two cultivars and analyze their effects against PM and YR in a range of environments. A doubled haploid population (388 lines) was used to develop a framework map consisting of 117 SSR markers, while a much higher density map using the 90K Illumina iSelect SNP array was produced with a subset of 80 randomly selected lines. Seedling resistance was characterized against a range of PM and YR isolates, while field scores in multiple environments were used to characterize APR. Composite interval mapping (CIM) of seedling PM scores identified two QTLs (QPm.haas-6A and QPm.haas-2A), the former being located at the Pm21 locus. These QTLs were also significant in field scores, as were Qpm.haas-3A and QPm.haas-5A. QYr.haas-1B-1 and QYr.haas-2A were identified in field scores of YR and were located at the Yr24/26 and Yr17 chromosomal regions respectively. A second 1B QTL, QYr.haas-1B-2 was also identified. QPm.haas-2A and QYr.haas-1B-2 are likely to be new QTLs that have not been previously identified. Effects of the QTLs were further investigated in multiple environments through the testing of selected lines predicted to contain various QTL combinations. Significant additive interactions between the PM QTLs highlighted the ability to pyramid these loci to provide higher level of resistance. Interactions between the YR QTLs gave insights into the pathogen populations in the different locations as well as showing genetic interactions between these loci.
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Affiliation(s)
- Lijun Yang
- College of Life Sciences, Wuhan University, Wuhan, China
- Institute for Plant Protection and Soil Science, Hubei Academy of Agricultural Sciences (HAAS), Key laboratory of Integrated Pest Management on Crop in Central China, Ministry of Agriculture, Wuhan, China
| | - Xuejiang Zhang
- Institute for Plant Protection and Soil Science, Hubei Academy of Agricultural Sciences (HAAS), Key laboratory of Integrated Pest Management on Crop in Central China, Ministry of Agriculture, Wuhan, China
| | - Xu Zhang
- Institute of Biotechnology, Jiangsu Academy of Agricultural Sciences (JAAS), Nanjing, China
| | - Jirui Wang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, China
| | - Mingcheng Luo
- Department of Plant Sciences, University of California Davis, Davis, CA, United States of America
| | - Mujun Yang
- Food Crops Research Institute, Yunnan Academy of Agricultural Sciences (YAAS), Kunming, China
| | - Hua Wang
- Institute for Plant Protection and Soil Science, Hubei Academy of Agricultural Sciences (HAAS), Key laboratory of Integrated Pest Management on Crop in Central China, Ministry of Agriculture, Wuhan, China
| | - Libo Xiang
- Institute for Plant Protection and Soil Science, Hubei Academy of Agricultural Sciences (HAAS), Key laboratory of Integrated Pest Management on Crop in Central China, Ministry of Agriculture, Wuhan, China
| | - Fansong Zeng
- Institute for Plant Protection and Soil Science, Hubei Academy of Agricultural Sciences (HAAS), Key laboratory of Integrated Pest Management on Crop in Central China, Ministry of Agriculture, Wuhan, China
| | - Dazhao Yu
- Institute for Plant Protection and Soil Science, Hubei Academy of Agricultural Sciences (HAAS), Key laboratory of Integrated Pest Management on Crop in Central China, Ministry of Agriculture, Wuhan, China
| | - Daolin Fu
- State Key Laboratory of Crop Biology, Shandong, Key Laboratory of Crop Biology, Shandong Agricultural University, Tai’an, China
| | - Garry M. Rosewarne
- International Maize and Wheat Improvement Centre (CIMMYT) c/o Crop Research Institute, Sichuan Academy of Agricultural Science, Jinjiang, Chengdu, China
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Sthapit Kandel J, Krishnan V, Jiwan D, Chen X, Skinner DZ, See DR. Mapping genes for resistance to stripe rust in spring wheat landrace PI 480035. PLoS One 2017; 12:e0177898. [PMID: 28542451 PMCID: PMC5438115 DOI: 10.1371/journal.pone.0177898] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2016] [Accepted: 05/04/2017] [Indexed: 11/19/2022] Open
Abstract
Stripe rust caused by Puccinia striiformis Westend. f. sp. tritici Erikks. is an economically important disease of wheat (Triticum aestivum L.). Hexaploid spring wheat landrace PI 480035 was highly resistant to stripe rust in the field in Washington during 2011 and 2012. The objective of this research was to identify quantitative trait loci (QTL) for stripe rust resistance in PI 480035. A spring wheat, "Avocet Susceptible" (AvS), was crossed with PI 480035 to develop a biparental population of 110 recombinant inbred lines (RIL). The population was evaluated in the field in 2013 and 2014 and seedling reactions were examined against three races (PSTv-14, PSTv-37, and PSTv-40) of the pathogen under controlled conditions. The population was genotyped with genotyping-by-sequencing and microsatellite markers across the whole wheat genome. A major QTL, QYr.wrsggl1-1BS was identified on chromosome 1B. The closest flanking markers were Xgwm273, Xgwm11, and Xbarc187 1.01 cM distal to QYr.wrsggl1-1BS, Xcfd59 0.59 cM proximal and XA365 3.19 cM proximal to QYr.wrsggl1-1BS. Another QTL, QYr.wrsggl1-3B, was identified on 3B, which was significant only for PSTv-40 and was not significant in the field, indicating it confers a race-specific resistance. Comparison with markers associated with previously reported Yr genes on 1B (Yr64, Yr65, and YrH52) indicated that QYr.wrsggl1-1BS is potentially a novel stripe rust resistance gene that can be incorporated into modern breeding materials, along with other all-stage and adult-plant resistance genes to develop cultivars that can provide durable resistance.
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Affiliation(s)
- Jinita Sthapit Kandel
- Department of Plant Pathology, Washington State University, Pullman, Washington, United States of America
- United States Department of Agriculture -Agricultural Research Service, Crop Improvement and Protection Research Unit, Salinas, California, United States of America
| | - Vandhana Krishnan
- Department of Crop and Soil Sciences, Washington State University, Pullman, Washington, United States of America
- Stanford Center for Genomics & Personalized Medicine, Stanford University, School of Medicine, Palo Alto, California, United States of America
| | - Derick Jiwan
- Department of Crop and Soil Sciences, Washington State University, Pullman, Washington, United States of America
| | - Xianming Chen
- Department of Plant Pathology, Washington State University, Pullman, Washington, United States of America
- United States Department of Agriculture-Agricultural Research Service, Wheat Health, Genetics, and Quality Research Unit, Pullman, Washington, United States of America
| | - Daniel Z. Skinner
- Department of Crop and Soil Sciences, Washington State University, Pullman, Washington, United States of America
- United States Department of Agriculture-Agricultural Research Service, Wheat Health, Genetics, and Quality Research Unit, Pullman, Washington, United States of America
| | - Deven R. See
- Department of Plant Pathology, Washington State University, Pullman, Washington, United States of America
- United States Department of Agriculture-Agricultural Research Service, Wheat Health, Genetics, and Quality Research Unit, Pullman, Washington, United States of America
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22
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Bulli P, Zhang J, Chao S, Chen X, Pumphrey M. Genetic Architecture of Resistance to Stripe Rust in a Global Winter Wheat Germplasm Collection. G3 (BETHESDA, MD.) 2016; 6:2237-53. [PMID: 27226168 PMCID: PMC4978880 DOI: 10.1534/g3.116.028407] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Accepted: 05/16/2016] [Indexed: 12/30/2022]
Abstract
Virulence shifts in populations of Puccinia striiformis f. sp. tritici (Pst), the causal pathogen of wheat stripe rust, are a major challenge to resistance breeding. The majority of known resistance genes are already ineffective against current races of Pst, necessitating the identification and introgression of new sources of resistance. Germplasm core collections that reflect the range of genetic and phenotypic diversity of crop species are ideal platforms for examining the genetic architecture of complex traits such as resistance to stripe rust. We report the results of genetic characterization and genome-wide association analysis (GWAS) for resistance to stripe rust in a core subset of 1175 accessions in the National Small Grains Collection (NSGC) winter wheat germplasm collection, based on genotyping with the wheat 9K single nucleotide polymorphism (SNP) iSelect assay and phenotyping of seedling and adult plants under natural disease epidemics in four environments. High correlations among the field data translated into high heritability values within and across locations. Population structure was evident when accessions were grouped by stripe rust reaction. GWAS identified 127 resistance loci that were effective across at least two environments, including 20 with significant genome-wide adjusted P-values. Based on relative map positions of previously reported genes and QTL, five of the QTL with significant genome-wide adjusted P-values in this study represent potentially new loci. This study provides an overview of the diversity of Pst resistance in the NSGC winter wheat germplasm core collection, which can be exploited for diversification of stripe rust resistance in breeding programs.
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Affiliation(s)
- Peter Bulli
- Department of Crop and Soil Sciences, Washington State University, Pullman, Washington 99164-6420
| | - Junli Zhang
- Department of Plant Sciences, University of California, Davis, California 95616
| | - Shiaoman Chao
- USDA-ARS Genotyping Laboratory, Biosciences Research Laboratory, Fargo, North Dakota 58102
| | - Xianming Chen
- USDA-ARS, Wheat Health, Genetics and Quality Research Unit, Washington State University, Pullman, Washington 99164 Department of Plant Pathology, Washington State University, Pullman, Washington 99164
| | - Michael Pumphrey
- Department of Crop and Soil Sciences, Washington State University, Pullman, Washington 99164-6420
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23
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Naruoka Y, Garland-Campbell KA, Carter AH. Genome-wide association mapping for stripe rust (Puccinia striiformis F. sp. tritici) in US Pacific Northwest winter wheat (Triticum aestivum L.). TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2015; 128:1083-101. [PMID: 25754424 DOI: 10.1007/s00122-015-2492-2] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Accepted: 02/27/2015] [Indexed: 05/06/2023]
Abstract
Potential novel and known QTL for race-specific all-stage and adult plant resistance to stripe rust were identified by genome-wide association mapping in the US PNW winter wheat accessions. Stripe rust (Puccinia striiformis F. sp. tritici; also known as yellow rust) is a globally devastating disease of wheat (Triticum aestivum L.) and a major threat to wheat production in the US Pacific Northwest (PNW), therefore both adult plant and all-stage resistance have been introduced into the winter wheat breeding programs in the PNW. The goal of this study was to identify quantitative trait loci (QTL) and molecular markers for these resistances through genome-wide association (GWAS) mapping in winter wheat accessions adapted to the PNW. Stripe rust response for adult plants was evaluated in naturally occurring epidemics in a total of nine environments in Washington State, USA. Seedling response was evaluated with three races under artificial inoculation in the greenhouse. The panel was genotyped with the 9K Illumina Wheat single nucleotide polymorphism (SNP) array and additional markers linked to previously reported genes and QTL for stripe rust resistance. The population was grouped into three sub-populations. Markers linked to Yr17 and previously reported QTL for stripe rust resistance were identified on chromosomes 1B, 2A, and 2B. Potentially novel QTL associated with race-specific seedling response were identified on chromosomes 1B and 1D. Potentially novel QTL associated with adult plant response were located on chromosomes 2A, 2B, 3B, 4A, and 4B. Stripe rust was reduced when multiple alleles for resistance were present. The resistant allele frequencies were different among sub-populations in the panel. This information provides breeders with germplasm and closely linked markers for stripe rust resistance to facilitate the transfer of multiple loci for durable stripe rust resistance into wheat breeding lines and cultivars.
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Affiliation(s)
- Y Naruoka
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA, 99164-6420, USA,
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Johnston PA, Meiyalaghan V, Forbes ME, Habekuß A, Butler RC, Pickering R. Marker assisted separation of resistance genes Rph22 and Rym16 (Hb) from an associated yield penalty in a barley: Hordeum bulbosum introgression line. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2015; 128:1137-1149. [PMID: 25800008 DOI: 10.1007/s00122-015-2495-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Accepted: 03/07/2015] [Indexed: 05/29/2023]
Abstract
The resistance genes Rph22 and Rym16 (Hb) transferred into barley from Hordeum bulbosum have been separated from a large yield penalty locus that was present in the original introgression line '182Q20'. The Hordeum bulbosum introgression line '182Q20' possesses resistance to barley leaf rust (Rph22) and Barley mild mosaic virus (Rym16 (Hb) ) located on chromosome 2HL. Unfortunately, this line also carries a considerable yield penalty compared with its barley genetic background 'Golden Promise'. Quantitative trait locus (QTL) mapping of the components of yield (total yield, thousand grain weight, hectolitre weight, percentage screenings and screened yield) was performed using 75 recombinant lines derived from the original '182Q20' introgression line. A QTL for the yield penalty was located in the proximal region of the introgressed segment. Marker assisted selection targeting intraspecific recombination events between overlapping H. bulbosum introgression segments was used to develop the lines '372E' and '372H' which feature genetically small introgressions around Rph22. Further yield trials validated the separation of both Rph22 and Rym16 (Hb) from the proximal yield penalty. These results, combined with molecular markers closely linked to Rph22 and Rym16 (Hb) , make these resistance genes more attractive for barley breeding.
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Affiliation(s)
- Paul A Johnston
- The New Zealand Institute for Plant and Food Research Limited, Lincoln, 7608, New Zealand,
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