Fine Mapping of qTGW3-1, a QTL for 1 000-Grain Weight on Chromosome 3 in Rice
文献类型: 外文期刊
第一作者: Zhang Qiang
作者: Zhang Qiang;Yao Guo-xin;Hu Guang-long;Chen Chao;Tang Bo;Zhang Hong-liang;Li Zi-chao;Zhang Qiang;Yao Guo-xin
作者机构:
关键词: rice;1 000-grain weight;QTL mapping;near isogenic line (NIL) population
期刊名称:JOURNAL OF INTEGRATIVE AGRICULTURE ( 影响因子:2.848; 五年影响因子:2.979 )
ISSN: 2095-3119
年卷期: 2012 年 11 卷 6 期
页码:
收录情况: SCI
摘要: The QTL qTGW3-1 was located on chromosome 3 of rice (Oryza saliva L.) and associated with the 1 000-grain weight (TGW) according to the result of our earlier study. With the objective of fine mapping of this locus, we developed a F-2 population consisting of 3 428 plants derived from the cross between TGW-related near isogenic line DL017 (BC3F4 generation of GSL156xNipponbare) and the recurrent parent Nipponbare. Using six microsatellites, this QTL was delimited between RM5477 and RM6417. Markers MM1455 and MM1456 within this region were used for further mapping of this QTL. Finally, qTGW3-1 was fine-mapped into a 89-kb interval between RM5477 and MM 1456, which locates in the BAC clone AC107226 harboring five putative candidate genes.
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