QTL mapping integrated with BSA-Seq analysis identifies a novel gene conferring resistance to brown planthopper from common wild rice (Oryza rufipogon Griff.)
文献类型： 外文期刊
作者： Wang, Xuan 1 ; Han, Yue 1 ; Zhang, Yue-xiong 2 ; Deng, Biao 2 ; Wu, Bi-qiu 2 ; Guo, Xin-ying 1 ; Qin, Yu-fen 1 ; Fang, Yao-yu 1 ; Liu, Fang 1 ; Qin, Bao-xiang 1 ; Luo, Ji-jing 3 ; Li, Rong-bai 1 ;
作者机构： 1.Guangxi Univ, Agr Coll, State Key Lab Conservat & Utilizat Subtrop Agrobi, Nanning 530004, Peoples R China
2.Guangxi Acad Agr Sci, Nanning 530007, Peoples R China
3.Guangxi Univ, Coll Life Sci & Technol, State Key Lab Conservat & Utilizat Subtrop Agrobi, Nanning 530005, Peoples R China
关键词： Brown planthopper; Wild rice; Resistance gene; BSA-seq; QTL analysis; Marker-assisted selection
期刊名称：EUPHYTICA （ 影响因子：2.185； 五年影响因子：2.387 ）
ISSN： 0014-2336
年卷期： 2022 年 218 卷 3 期
页码：
收录情况： SCI
摘要： The brown planthopper (Nilaparvata lugens Stal, BPH) is one of the most destructive rice pests worldwide. GXU202 is a germplasm of common wild rice (Oryza rufipogon Griff.) with high resistance to the BPH. In this study, genetic analysis indicated that the BPH-resistant phenotype of GXU202 is controlled by a major gene. Through the combination and comparison of QTL linkage and BSA-seq analyses, a novel gene locus, BPH41, conferring BPH resistance was identified. This gene locus was finely mapped to a 116-kb region delimited by W4-4-3 and W1-6-3 on chromosome 4. The markers D01031 and D01045 showed high accuracy in predicting phenotypes resistant to BPH, suggesting their reliability for marker-assisted selection of BPH41 in breeding BPH-resistant rice varieties. The present identification of BPH41 will establish a foundation for further map-based cloning and functional characterization of the gene.
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