Reciprocal adaptation of rice and Xanthomonas oryzae pv. oryzae: cross-species 2D GWAS reveals the underlying genetics

文献类型： 外文期刊

第一作者： Zhang, Fan

作者： Zhang, Fan;Hu, Zhiqiang;Wu, Zhichao;Lu, Jialing;Xu, Jianlong;Wang, Mingming;Shi, Xiaorong;Cui, Yanru;Zhuo, Dalong;Hu, Dandan;Wang, Wensheng;Zhao, Xiuqin;Zheng, Tianqing;Fu, Binying;Zhou, Yongli;Li, Zhikang;Zhang, Fan;Shi, Yingyao;Shi, Xiaorong;Zhuo, Dalong;Hu, Dandan;Li, Min;Li, Zhikang;Hu, Zhiqiang;Xu, Jianlong;Li, Zhikang;Wang, Xiyin;Wang, Jinpeng;Cruz, Casiana Vera;Ali, Jauhar

作者机构：

期刊名称：PLANT CELL （ 影响因子：11.277； 五年影响因子：12.061 ）

ISSN： 1040-4651

年卷期： 2021 年 33 卷 8 期

页码：

收录情况： SCI

摘要： A 1D/2D genome-wide association study strategy was adopted to investigate the genetic systems underlying the reciprocal adaptation of rice (Oryza sativa) and its bacterial pathogen, Xanthomonas oryzae pv. oryzae (Xoo) using the whole-genome sequencing and large-scale phenotyping data of 701 rice accessions and 23 diverse Xoo strains. Forty-seven Xoo virulence-related genes and 318 rice quantitative resistance genes (QR-genes) mainly located in 41 genomic regions, and genome-wide interactions between the detected virulence-related genes and QR genes were identified, including well-known resistance genes/virulence genes plus many previously uncharacterized ones. The relationship between rice and Xoo was characterized by strong differentiation among Xoo races corresponding to the subspecific differentiation of rice, by strong shifts toward increased resistance/virulence of rice/Xoo populations and by rich genetic diversity at the detected rice QR-genes and Xoo virulence genes, and by genome-wide interactions between many rice QR-genes and Xoo virulence genes in a multiple-to-multiple manner, presumably resulting either from direct protein-protein interactions or from genetic epistasis. The observed complex genetic interaction system between rice and Xoo likely exists in other crop-pathogen systems that would maintain high levels of diversity at their QR-loci/virulence-loci, resulting in dynamic coevolutionary consequences during their reciprocal adaptation.

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