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基于SLAF-seq技术的人参SNP位点开发及遗传多样性分析

文献类型: 中文期刊

作者: 赵海悦 1 ; 张浩 1 ; 逄世峰 1 ; 李政 1 ; 李舒欣 1 ; 许世泉 1 ;

作者机构: 1.中国农业科学院特产研究所

关键词: 人参;SNP标记;SLAF-seq

期刊名称: 分子植物育种

ISSN: 1672-416X

年卷期: 2023 年 007 期

页码: 2311-2317

收录情况: 北大核心 ; CSCD

摘要: 人参(Panax ginseng C. A. Meyer)是五加科(Araliaceae)人参属(Panax)多年生草本植物,有“百草之王”的美誉,具有极高的药用价值和经济价值。本研究通过特异性位点扩增片段测序技术(specific-locus amplified fragment sequencing, SLAF-seq)对72份人参种质资源进行了分子标记开发,通过测序共获得所有样品的平均reads数为7 823 423,样本平均GC含量为40.49%,平均测序质量值Q30为93.25%。本研究的平均测序深度为19.06 x,通过生物信息学分析共开发了1 489 598个SLAF标签,其中多态性标签占578 314个,共获得1 901 215个SNP标记。利用开发的SNP分子标记将72份人参样品分为4组。特异性的人参SNP位点开发和研究可为人参种质资源鉴定和遗传多样性分析提供理论基础。

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