YANG Zhe,LIU Li-jun,GAO Ming-jie,et al.Molecular Marker Assistant Selection for High Oil QTL in Soybean[J].Soybean Science,2008,27(06):921-924.[doi:10.11861/j.issn.1000-9841.2008.06.0921]
大豆高油相关QTL分子标记辅助选择研究
- Title:
- Molecular Marker Assistant Selection for High Oil QTL in Soybean
- 文章编号:
- 1000-9841(2008)06-0921-04
- Keywords:
- Soybean; SSR; High oil QTL ; Marker assistant selection
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 选用高产大豆品系哈交5448-4和高油大豆品种黑农45为亲本杂交获得F2分离群体,进行大豆高油基因SSR分子标记。共筛选覆盖大豆全基因组的325对SSR引物,利用筛选出的63对在亲本间具有多态性的SSR引物对F2分离群体的120个单株进行SSR扩增,经电泳检测后,所得数据用于作图和定位分析。定位到高油QTL 1个,与satt160连锁,遗传距离为26.0cM,贡献率为23.20%,位于大豆公共遗传图谱的F连锁群。利用该引物在24份大豆材料中进行高油材料检测和筛选,在15份高油材料中筛选到11份,检出率达到73.33%。结果说明satt160具有一定的检测通用性,可以利用它对高油大豆材料进行分子标记辅助选择。
- Abstract:
- Soybean seeds contain high level of oil which is useful for human consumption.Increasing emphasis ?in breeding programs to produce soybean with specific oil content for specialty markets demands that more efficient manipulation of these traits have be achieved.Heinong 45 and Hajiao5448-4 were crossed to obtain the F2 separate population in this research,and the 120 F2:3individuals were used to tag SSR molecular marker for high oil gene.Three hundred and twenty-five pair of SSR primers covering the whole soybean genome were screened,and 63 pair of primers have the polymorphism.Composite Interval Mapping method (CIM) were used and one high oil QTL linking with satt160 was located on LG F,the genetic distance was 26.0 cM and the variance ratio was 23.20%.Satt160 was used to exam and screen the high oil content soybean materials,eleven share were screened from 15 high oil content soybean materials,the ratio of the examination was 73.33%.Result suggests that satt160 can be used to screen the high oil content soybean materials for marker assistant selection.
参考文献/References:
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备注/Memo
基金项目:黑龙江省自然科学基金资助项目(ZTN04-0401);引进国际先进农业科学技术计划(948计划)资助项目(2006-G5);国家高技术研究发展计划(863计划)资助项目(2006AA10Z1F9)。