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- Title
QTL mapping integrated with BSA-Seq analysis identifies a novel gene conferring resistance to brown planthopper from common wild rice (Oryza rufipogon Griff.).
- Authors
Wang, Xuan; Han, Yue; Zhang, Yue-xiong; Deng, Biao; Wu, Bi-qiu; Guo, Xin-ying; Qin, Yu-fen; Fang, Yao-yu; Liu, Fang; Qin, Bao-xiang; Luo, Ji-jing; Li, Rong-bai
- Abstract
The brown planthopper (Nilaparvata lugens Stål, 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.
- Subjects
NILAPARVATA lugens; RED rice; WILD rice; ORYZA; RICE breeding; MOLECULAR cloning
- Publication
Euphytica, 2022, Vol 218, Issue 3, p1
- ISSN
0014-2336
- Publication type
Article
- DOI
10.1007/s10681-021-02964-z