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

第一作者： Wang, Xuan

作者： Wang, Xuan;Han, Yue;Guo, Xin-ying;Qin, Yu-fen;Fang, Yao-yu;Liu, Fang;Qin, Bao-xiang;Li, Rong-bai;Zhang, Yue-xiong;Deng, Biao;Wu, Bi-qiu;Luo, Ji-jing

作者机构：

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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