High-Density Genetic Map Construction and Gene Mapping of Basal Branching Habit and Flowers per Leaf Axil in Sesame
文献类型： 外文期刊
作者： Mei, Hongxian 1 ; Liu, Yanyang 1 ; Du, Zhenwei 1 ; Wu, Ke 1 ; Cui, Chengqi 1 ; Jiang, Xiaolin 1 ; Zhang, Haiyang 1 ; Zhen 1 ;
作者机构： 1.Henan Acad Agr Sci, Henan Sesame Res Ctr, Zhengzhou, Peoples R China
关键词： Sesamum indicum L.;SLAF-seq;genetic map;branching habit;flowers per leaf axil
期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.753； 五年影响因子：6.612 ）
ISSN： 1664-462X
年卷期： 2017 年 8 卷
页码：
收录情况： SCI
摘要： A good genetic map can provide the framework for quantitative trait loci (QTL) analysis, map-based gene cloning, and genome sequence assembling. The main objectives of this study were to develop a high-density genetic linkage map using specific length amplified fragment sequencing (SLAF-seq) in sesame. In the result, a high-resolution genetic map with 9,378 SLAF markers and 13 linkage groups (LGs) was constructed. The map spanned a total genetic distance of 1,974.23 cM, and the mean LG length was 151.86 cM, with an average genetic distance of 0.22 cM between adjacent markers. Based on the newly constructed genetic map, genes for basal branching habit (SiBH) and flowers per leaf axil (SiFA) were mapped to LG5 and LG11, respectively.
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