摘要
水稻是世界上最重要的粮食作物之一。稻瘟病严重危害水稻生产,每年可造成水稻大面积减产。利用水稻抗病基因资源,培育抗病水稻品种,是防治稻瘟病的经济有效、安全的方法。基于遗传定位及图位克隆,已有一百多个抗稻瘟病基因得到鉴定,其中有二十多个基因被克隆。近年来,全基因组分析策略进一步推动了水稻抗稻瘟病基因鉴定的发展。本研究简要总结了水稻抗稻瘟病基因的定位和克隆,并概述了全基因组分析策略应用于水稻抗稻瘟病基因鉴定的研究和进展。
Rice is one of the most important food crops in the world. Rice blast seriously endangers rice production, resulting in a large reduction in rice yield every year. Breeding resistant cultivars using blast resistance genes is an economically effective and environmentally-safe way of controlling blast disease. Based on genetic mapping and map-based cloning, over 100 resistance genes have been identified, of which more than 20 have been cloned. In recent years, genome-wide analysis approaches have further promoted the identification of rice blast resistance genes. This paper briefly introduced the mapping and cloning of rice blast resistance genes, and summarized the advances in identifying rice blast resistance genes by genome-wide analysis approaches.
引文
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