干旱条件下玉米耐旱相关性状的QTL一致性图谱构建

被引：44

作者：

李雪华

李新海

郝转芳

田清震

张世煌

不详

机构：

[1] 中国农业科学院作物育种栽培研究所/农业部作物遗传育种重点开放实验室

[2] 中国农业科学院作物育种栽培研究所/农业部作物遗传育种重点开放实验室北京新疆农业大学

[3] 乌鲁木齐

[4] 北京

[5] 北京

来源：

中国农业科学 | 2005年 / 05期

关键词：

玉米; 干旱; 耐旱QTL; 一致性图谱;

D O I：

暂无

中图分类号：

S513 [玉米（玉蜀黍）];

学科分类号：

摘要：

发掘玉米耐旱基因及其连锁分子标记是构建耐旱分子育种技术的重要基础。通过生物信息学手段整理玉米基因组数据库中已有耐旱相关性状的QTL信息,借助高密度玉米分子标记连锁图谱IBM和临近分子标记,建立耐旱相关性状的QTL一致性图谱,进而发掘通用QTL。研究显示,在干旱条件下于10个定位群体中共发现与9个玉米农艺及生理性状有关的181个QTL,建立了全长3582.1cM的耐旱相关性状的QTL一致性图谱,发掘出15个“通用耐旱QTL”及其连锁标记。研究结果为确定玉米耐旱基因位点和建立分子标记辅助育种技术创造了条件。

引用

页码：882 / 890

页数：9

共 9 条

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