In silico curation of QTL-rich clusters and candidate gene identification for plant height of bread wheat

文献类型： 外文期刊

第一作者： Xu, Dengan

作者： Xu, Dengan;Jia, Chenfei;Lyu, Xinru;Yang, Tingzhi;Qin, Huimin;Wang, Yalin;Hao, Qianlin;Liu, Wenxing;Dai, Xuehuan;Zeng, Jianbin;Zhang, Hongsheng;Ma, Wujun;Xia, Xianchun;He, Zhonghu;Cao, Shuanghe

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关键词： QTL-rich clusters; Plant height; Semi-dwarfism; Reduced height genes; Candidate genes

期刊名称：CROP JOURNAL （ 影响因子：6.6； 五年影响因子：6.5 ）

ISSN： 2095-5421

年卷期： 2023 年 11 卷 5 期

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收录情况： SCI

摘要： Many genetic loci for wheat plant height (PH) have been reported, and 26 dwarfing genes have been catalogued. To identify major and stable genetic loci for PH, here we thoroughly summarized these function-ally or genetic verified dwarfing loci from QTL linkage analysis and genome-wide association study published from 2003 to 2022. A total of 332 QTL, 270 GWAS loci and 83 genes for PH were integrated onto chromosomes according to their locations in the IWGSC RefSeq v2.1 and 65 QTL-rich clusters (QRC) were defined. Candidate genes in each QRC were predicted based on IWGSC Annotation v2.1 and the information on functional validation of homologous genes in other species. A total of 38 candidate genes were predicted for 65 QRC including three GA2ox genes in QRC-4B-IV, QRC-5A-VIII and QRC-6A-II (Rht24) as well as GA 20-oxidase 2 (TaSD1-3A) in QRC-3A-IV. These outcomes lay concrete foundations for map -based cloning of wheat dwarfing genes and application in breeding.(c) 2023 Crop Science Society of China and Institute of Crop Science, CAAS. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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