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Genome-Wide Association Study of Partial Resistance to P. sojae in Wild Soybeans from Heilongjiang Province, China

文献类型： 外文期刊

作者： Li, Wei 1 ; Liu, Miao 1 ; Lai, Yong-Cai 1 ; Liu, Jian-Xin 1 ; Fan, Chao 1 ; Yang, Guang 1 ; Wang, Ling 1 ; Liang, Wen-Wei 1 ; Di, Shu-Feng 1 ; Yu, De-Yue 2 ; Bi, Ying-Dong 1 ;

作者机构： 1.Heilongjiang Acad Agr Sci HAAS, Crop Tillage & Cultivat Inst, Harbin 150086, Peoples R China

2.Nanjing Agr Univ, Coll Agr, Nanjing 210095, Peoples R China

关键词： genome-wide association study (GWAS); Phytophthora sojae; wild soybean; Glycine soja

期刊名称：CURRENT ISSUES IN MOLECULAR BIOLOGY （ 影响因子：2.976； 五年影响因子：3.139 ）

ISSN： 1467-3037

年卷期： 2022 年 44 卷 7 期

页码：

收录情况： SCI

摘要： Phytophthora root rot (PRR) is a destructive disease of soybeans (Glycine max (L.) Merr) caused by Phytophthora sojae (P. sojae). The most effective way to prevent the disease is growing resistant or tolerant varieties. Partial resistance provides a more durable resistance against the pathogen compared to complete resistance. Wild soybean (Glycine soja Sieb. & Zucc.) seems to be an extraordinarily important gene pool for soybean improvement due to its high level of genetic variation. In this study, 242 wild soybean germplasms originating from different regions of Heilongjiang province were used to identify resistance genes to P. sojae race 1 using a genome-wide association study (GWAS). A total of nine significant SNPs were detected, repeatedly associated with P. sojae resistance and located on chromosomes 1, 10, 12, 15, 17, 19 and 20. Among them, seven favorable allelic variations associated with P. sojae resistance were evaluated by a t-test. Eight candidate genes were predicted to explore the mechanistic hypotheses of partial resistance, including Glysoja.19G051583, which encodes an LRR receptor-like serine/threonine protein kinase protein, Glysoja.19G051581, which encodes a receptor-like cytosolic serine/threonine protein kinase protein. These findings will provide additional insights into the genetic architecture of P. sojae resistance in a large sample of wild soybeans and P. sojae-resistant breeding through marker-assisted selection.

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