【摘 要】
:
The QTL qTGW3-1 was located on chromosome 3 of rice (Oryza sativa L.) and associated with the 1 000-grain weight (TGW) according to the result of our earlier st
【机 构】
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Key Laboratory of Crop Heterosis and Utilization,Rice Research Institute,School of Life Science and
【基金项目】
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国家重点基础研究发展规划(973计划);the National Key Technologies R&D Program of China;the 948 Project of MOA,China;We thank Ms.Li Ding,Institute of Crop Sciences,Chinese Academy of Agricultural Sciences,for critical
论文部分内容阅读
The QTL qTGW3-1 was located on chromosome 3 of rice (Oryza sativa 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 F2 population consisting of 3 428 plants derived from the cross between TGW-related near isogenic line DL017 (BC3F4 generation of GSL156×Nipponbare) 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 MM1456,which locates in the BAC clone AC107226 harboring five putative candidate genes.
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