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Zhen-Sheng Kang
State Key Laboratory of Crop Stress Biology for Arid Areas College of Plant Protection Northwest A&F University Yangling Shaanxi China

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Research article
Published: 17 July 2020 in Plant Biotechnology Journal
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The incorporation of resistance genes into wheat commercial varieties is the ideal strategy to combat stripe or yellow rust (YR). In a search for novel resistance genes, we performed a large‐scale genomic association analysis with high‐density 660K single nucleotide polymorphism (SNP) arrays to determine the genetic components of YR resistance in 411 spring wheat lines. Following quality control, 371,972 SNPs were screened, covering over 50% of the high‐confidence annotated gene space. Nineteen stable genomic regions harboring 292 significant SNPs were associated with adult‐plant YR resistance across nine environments. Of these, 14 SNPs were localized in the proximity of known loci widely used in breeding. Obvious candidate SNP variants were identified in certain confidence intervals, such as the cloned gene Yr18 and the major locus on chromosome 2BL, despite a large extent of linkage disequilibrium. The number of causal SNP variants was refined using an independent validation panel and consideration of the estimated functional importance of each nucleotide polymorphism. Interestingly, four natural polymorphisms causing amino acid changes in the gene TraesCS2B01G513100 that encodes a serine/threonine protein kinase (STPK) were significantly involved in YR responses. Gene expression and mutation analysis confirmed that STPK played an important role in YR resistance. PCR markers were developed to identify the favorable TraesCS2B01G513100 haplotype for marker‐assisted breeding. These results demonstrate that high‐resolution SNP‐based GWAS enables the rapid identification of putative resistance genes and can be used to improve the efficiency of marker‐assisted selection in wheat disease resistance breeding.

ACS Style

Jianhui Wu; Rui Yu; Haiying Wang; Cai'e Zhou; Shuo Huang; Hanxuan Jiao; Shizhou Yu; Xiaojun Nie; Qilin Wang; Shengjie Liu; Song Weining; Ravi Prakash Singh; Sridhar Bhavani; Zhensheng Kang; Dejun Han; Qingdong Zeng. A large‐scale genomic association analysis identifies the candidate causal genes conferring stripe rust resistance under multiple field environments. Plant Biotechnology Journal 2020, 19, 177 -191.

AMA Style

Jianhui Wu, Rui Yu, Haiying Wang, Cai'e Zhou, Shuo Huang, Hanxuan Jiao, Shizhou Yu, Xiaojun Nie, Qilin Wang, Shengjie Liu, Song Weining, Ravi Prakash Singh, Sridhar Bhavani, Zhensheng Kang, Dejun Han, Qingdong Zeng. A large‐scale genomic association analysis identifies the candidate causal genes conferring stripe rust resistance under multiple field environments. Plant Biotechnology Journal. 2020; 19 (1):177-191.

Chicago/Turabian Style

Jianhui Wu; Rui Yu; Haiying Wang; Cai'e Zhou; Shuo Huang; Hanxuan Jiao; Shizhou Yu; Xiaojun Nie; Qilin Wang; Shengjie Liu; Song Weining; Ravi Prakash Singh; Sridhar Bhavani; Zhensheng Kang; Dejun Han; Qingdong Zeng. 2020. "A large‐scale genomic association analysis identifies the candidate causal genes conferring stripe rust resistance under multiple field environments." Plant Biotechnology Journal 19, no. 1: 177-191.

Journal article
Published: 07 May 2020 in The Crop Journal
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Most modern wheat cultivars were selected on the basis of yield-related indices measured under optimal fertilizer and irrigation inputs. With climate change, land degradation and salinity caused by sea water encroachment, wheat is increasingly subjected to environmental stress. Moreover, expanding urbanization increasingly encroaches upon prime agricultural land in countries like China, and alternative cropping areas must be found. Some of these areas have moderate constraining factors, such as salinity. Therefore, it is important to investigate whether current genetic materials and breeding procedures are maintaining adequate variability to address future problems caused by abiotic stress. In this study, a panel of 307 wheat accessions, including local landraces, exotic cultivars used in Chinese breeding programs and Chinese cultivars released during different periods since 1940, were subjected to a genome-wide association study to dissect the genetic basis of salinity tolerance. Both marker-based and pedigree-based kinship analyses revealed that favorable haplotypes were introduced in some exotic cultivars as well as a limited number of Chinese landraces from the 1940s. However, improvements in salinity tolerance during modern breeding are not as obvious as that of yield. To broaden genetic diversity for increasing salt tolerance, there is a need to refocus attention on local landraces that have high degrees of salinity tolerance and carry rare favorable alleles that have not been exploited in breeding.

ACS Style

Shizhou Yu; Jianhui Wu; Meng Wang; Weiming Shi; Guangmin Xia; Jizeng Jia; Zhensheng Kang; Dejun Han. Haplotype variations in QTL for salt tolerance in Chinese wheat accessions identified by marker-based and pedigree-based kinship analyses. The Crop Journal 2020, 8, 1011 -1024.

AMA Style

Shizhou Yu, Jianhui Wu, Meng Wang, Weiming Shi, Guangmin Xia, Jizeng Jia, Zhensheng Kang, Dejun Han. Haplotype variations in QTL for salt tolerance in Chinese wheat accessions identified by marker-based and pedigree-based kinship analyses. The Crop Journal. 2020; 8 (6):1011-1024.

Chicago/Turabian Style

Shizhou Yu; Jianhui Wu; Meng Wang; Weiming Shi; Guangmin Xia; Jizeng Jia; Zhensheng Kang; Dejun Han. 2020. "Haplotype variations in QTL for salt tolerance in Chinese wheat accessions identified by marker-based and pedigree-based kinship analyses." The Crop Journal 8, no. 6: 1011-1024.

Communication
Published: 19 February 2020 in Viruses
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Here, we report a novel (+) ssRNA mycovirus, Phoma matteucciicola ourmia-like virus 1 (PmOLV1), isolated from Phoma matteucciicola strain LG915-1. The genome of PmOLV1 was 2603 nucleotides long and contained a single open reading frame (ORF), which could be translated into a product of RNA-dependent RNA polymerase (RdRp) by both standard and mitochondrial genetic codons. Cellular fractionation assay indicated that PmOLV1 RNAs are likely more enriched in mitochondria than in cytoplasm. Phylogenetic analysis indicated that PmOLV1 is a new member of the genus Penoulivirus (recently proposed) within the family Botourmiaviridae.

ACS Style

Jia Zhou; Yuhua Wang; Xiaofei Liang; Changping Xie; Wenbo Liu; Weiguo Miao; Zhensheng Kang; Li Zheng. Molecular Characterization of a Novel Ourmia-Like Virus Infecting Phoma matteucciicola. Viruses 2020, 12, 231 .

AMA Style

Jia Zhou, Yuhua Wang, Xiaofei Liang, Changping Xie, Wenbo Liu, Weiguo Miao, Zhensheng Kang, Li Zheng. Molecular Characterization of a Novel Ourmia-Like Virus Infecting Phoma matteucciicola. Viruses. 2020; 12 (2):231.

Chicago/Turabian Style

Jia Zhou; Yuhua Wang; Xiaofei Liang; Changping Xie; Wenbo Liu; Weiguo Miao; Zhensheng Kang; Li Zheng. 2020. "Molecular Characterization of a Novel Ourmia-Like Virus Infecting Phoma matteucciicola." Viruses 12, no. 2: 231.

Journal article
Published: 21 November 2019 in Journal of Integrative Agriculture
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Since the recent discovery of barberry (Berberis spp.) as an alternate host for the stripe rust pathogen Puccinia striiformis, many Chinese Berberis species have been identified as alternate hosts for P. striiformis f. sp. tritici. However, little is known about Berberis species and their distribution in wheat-growing regions in Xinjiang, China, where stripe rust is endemic. As the largest province or autonomous region, Xinjiang represents a relatively independent epidemic region for wheat stripe rust in China. In this study, we conducted a survey of barberry plants in the main wheat-growing areas of Xinjiang. We identified three Berberis species, B. heteropoda, B. nummularia and B. kaschgarica, and confirmed their roles as potential alternate hosts for P. striiformis f. sp. tritici in the laboratory.

ACS Style

Hua Zhuang; Jing Zhao; Li-Li Huang; Zhen-Sheng Kang; Jie Zhao. Identification of three Berberis species as potential alternate hosts for Puccinia striiformis f. sp. tritici in wheat-growing regions of Xinjiang, China. Journal of Integrative Agriculture 2019, 18, 2786 -2792.

AMA Style

Hua Zhuang, Jing Zhao, Li-Li Huang, Zhen-Sheng Kang, Jie Zhao. Identification of three Berberis species as potential alternate hosts for Puccinia striiformis f. sp. tritici in wheat-growing regions of Xinjiang, China. Journal of Integrative Agriculture. 2019; 18 (12):2786-2792.

Chicago/Turabian Style

Hua Zhuang; Jing Zhao; Li-Li Huang; Zhen-Sheng Kang; Jie Zhao. 2019. "Identification of three Berberis species as potential alternate hosts for Puccinia striiformis f. sp. tritici in wheat-growing regions of Xinjiang, China." Journal of Integrative Agriculture 18, no. 12: 2786-2792.