High-resolution mapping of brown planthopper (BPH) resistance gene Bph27(t) in rice (Oryza sativa L.)
文献类型: 外文期刊
第一作者: He, Jun
作者: He, Jun;Liu, Yuqiang;Liu, Yanling;Jiang, Ling;Wu, Han;Kang, Haiyan;Liu, Shijia;Chen, Liangming;Liu, Xi;Cheng, Xianian;Wan, Jianmin;Wan, Jianmin
作者机构:
关键词: Brown planthopper;Resistance gene;Feeding behavior;Genetic analysis;Fine-mapping
期刊名称:MOLECULAR BREEDING ( 影响因子:2.589; 五年影响因子:2.75 )
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收录情况: SCI
摘要: Brown planthopper (BPH), Nilaparvata lugens StAyenl, is a destructive insect pest of rice (Oryza sativa L.). Identification and utilization of resistance genes is an efficient strategy for controlling this insect. BPH-resistant indica cultivars Balamawee, Kaharamana and Pokkali were previously reported to have the same dominant gene Bph9 on chromosome 12. Our studies of BPH feeding performance showed that Balamawee had higher levels of antixenosis and antibiosis against BPH than Kaharamana and Pokkali. In order to identify the BPH resistance gene in Balamawee, an F2 population was derived by crossing Balamawee and susceptible japonica cultivar 02428. A single major resistance gene was identified and mapped to the long arm of chromosome 4. Further recombination analysis showed that the gene was located in an interval of about 63 kb between InDel markers Q52 and Q20. This new BPH resistance locus was designated Bph27(t).
分类号: Q94
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