摘要
从EMS诱变的籼稻品种Kasalath突变体库中筛选获得了一个短根毛突变体,命名为ksrh1。该突变体在苗期表现为根毛变短,除此之外其表型与野生型没有显著差异。遗传分析表明,该突变性状受1个隐性单基因控制。将突变体ksrh1与粳稻品种日本晴杂交构建F2定位群体,利用已公布的水稻SSR标记和自行设计的STS标记对突变位点进行基因定位,最终将KSRH1定位在水稻第1染色体长臂上的S3578和S3584之间,物理距离约为67kb。
A rice mutant with significantly shorter root hairs was isolated from an EMS-induced mutant library of indica Kasalath. The mutant was named as Kasalath short root hair 1 （ksrhl）. Except shorter root hairs, there was no significant difference between ksrhl and its wild type. Genetic analysis showed that the mutant was controlled by a single recessive nuclear gene. To map the gene KSRH1 , the mutant ksrhl and Nipponbare were crossed to generate an F2 population. By using the published SSR markers and some newly designed STS markers, KSRH1 was mapped to a 67 kb region between the STS markers S3578 and S3584 on the long arm of chromosome 1.
出处
《中国水稻科学》
CAS
CSCD
北大核心
2012年第1期1-4,共4页
Chinese Journal of Rice Science
基金
国家自然科学基金资助项目(31071388)
宁波市自然科学基金资助项目(2008A610070)
关键词
水稻
短根毛突变体
遗传分析
基因定位
rice （Oryza sativa L. ）
short root hair mutant
genetic analysis
gene mapping
