SUN De-sheng,LI Wen-bin,ZHANG Zhong-chen,et al.Analysis of QTL for Growth Period in Soybean[J].Soybean Science,2009,28(06):976-980.[doi:10.11861/j.issn.1000-9841.2009.06.976]
大豆生育期相关的QTL分析
- Title:
- Analysis of QTL for Growth Period in Soybean
- 文章编号:
- 1000-9841(2009)06-0976-05
- Keywords:
- Soybean; Vegetative period; Reproductive period; QTL analysis
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 采用来自Charleston×东农594的143个重组自交系(RILs),构建了1个含有20条连锁群的大豆遗传连锁图谱,对大豆营养生长期、生殖生长期、发育期进行QTL分析,以期探索大豆生育期相关基因的遗传机理。结果表明:采用复合区间作图法共定位了6个显著影响营养生长期的QTL位点,分布在A1、H、K、N连锁群上;定位了6个显著影响大豆生殖生长期的QTL位点,其中4个,reA1-2、reH、reK、reN也同时控制营养生长期的长短;在整个生育期定位到8个QTL位点,有5个位点能解释20%以上的表型变异。
- Abstract:
- In order to study on genetic mechanism of growth period in soybean,a genetic linkage map of 20 linkage groups was constructed using 143 recombinant inbred lines(RILs)from soybean.Charleston×Dongnong 594.Combining the map with composite interval mapping method,6 QTLs controlling vegetative period were mapped on linkage groups A1,H,K,N;6 QTLs for reproductive period were identified,of these,reA1-2,reH,reK,reN also affecting vegetative growth;in whole growth period,8 QTLs significantly affecting maturity were identified,among them,5 QTLs could explain more than 20% phenotypic variation.
参考文献/References:
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备注/Memo
基金项目:国家高技术研究发展计划资助项目(2004AA211111-1) 。