技术方法

长江流域野生拟南芥种群QTL作图平台的建立

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  • 1陕西师范大学生命科学学院, 西安 710119
    2北京大学生命科学学院, 北京 100871

# 共同第一作者

收稿日期: 2016-05-30

  录用日期: 2016-07-05

  网络出版日期: 2016-09-27

基金资助

国家自然科学基金青年项目(No.31400203)和陕西省自然科学基础研究计划青年人才项目(No.2016JQ3030)

Quantitative Trait Loci Mapping Platform of Natural Populations of Arabidopsis thaliana along the Yangtze River in China

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  • 1College of Life Science, Shaanxi Normal University, Xi’an 710119, China
    2College of Life Sciences, Peking University, Beijing 100871, China

# Co-first authors

Received date: 2016-05-30

  Accepted date: 2016-07-05

  Online published: 2016-09-27

摘要

对模式植物的研究不仅能揭示众多具有普遍规律的生物现象, 而且能为其它植物物种, 特别是与人类生活紧密相关的经济植物提供具有借鉴与参考意义的研究方法。QTL遗传作图是寻找那些影响不同地域植物自然变异等位基因的传统且有效的工作方法。对不同分化时长和不同遗传背景的植物种群, 有针对性地开发特异的分子标记, 一直是QTL遗传作图工作的重要内容。该研究利用二代测序技术得到的全基因组重测序结果, 根据其中鉴定到的结构变异(SV)多态性设计引物, 开发了针对分化时间短、多态性位点少的中国长江流域野生拟南芥(Arabidopsis thaliana)种群的QTL作图分子标记平台, 得到了有效适用的结果, 该方法不仅在模式植物拟南芥中适用, 而且也适用于其它植物。

本文引用格式

康菊清, 孙田舒, 张慧婷, 施逸豪 . 长江流域野生拟南芥种群QTL作图平台的建立[J]. 植物学报, 2016 , 51(5) : 659 -666 . DOI: 10.11983/CBB16120

Abstract

Studies on model plants have not only explored the mechanism of many life phenomenology but also provide research methods for other plants, especially economic plants. Quantitative trait loci (QTL) mapping is an effective method for identifying the alleles contributing to natural variation among populations that might be involved in adaptation in different environments. Exploring enough effective markers for specific mapping populations overcoming the differences of diverging time and genetic background was always the important and challenging part in these works. Here we explored efficient mapping markers by using SVs based on resequencing data of populations of Arabidopsis thaliana along the Yangtze River, a plant group that recently diverged and lacks sufficient genetic diversities. This research approach combining next-generation sequencing and traditional QTL mapping to identify the genetic basis of natural variation is effective for Arabidopsis and for other plants.

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