Genetic diversity and marker trait association for yield attributing traits in accessions of common bean (Phaseolus vulgaris L.) in India

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2022-10-04 DOI:10.1017/s147926212200017x

Chainika Gupta, R. Salgotra, R. Alvarez Venegas, Reetika Mahajan, Umang Koul

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引用次数: 1

Abstract

Common bean (Phaseolus vulgaris L.) is a highly economically important crop worldwide and a particularly important source of protein and minerals for people in less developed countries. Improving yield is a vital objective to meet the increasing demand for food due to the expanding human population. The present study was undertaken to study the genetic architecture of agronomic traits of common bean in India, particularly in the north-western Himalayan region. Marker-trait association (MTA) analysis was performed in a population of 100 common bean accessions using polymorphic microsatellite markers. Population structure analysis based on SSR markers divided the accessions into three main subpopulations. Ten significant MTAs were found using general linear model (GLM) and mixed linear model (MLM) approaches. We found two markers i.e. BM142 and J04555 associated with 100 seed weight and pods per plant common in both the GLM and MLM approach markers. All the MTAs were considered as major MTAs contributing more than 25% phenotypic variation. The significant quantitative trait loci identified in this study could be used in marker-assisted breeding to accelerate the genetic improvement of yield and development of high yielding common beans lines.

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印度菜豆(Phaseolus vulgaris L.)产量性状遗传多样性及标记性状关联

普通豆(Phaseolus vulgaris L.)是世界范围内具有高度经济重要性的作物，是欠发达国家人民特别重要的蛋白质和矿物质来源。提高产量是满足由于人口增长而不断增加的粮食需求的一个重要目标。本研究旨在研究印度，特别是喜马拉雅西北地区普通豆农艺性状的遗传结构。利用多态微卫星标记对100份普通大豆材料进行了标记-性状关联分析。基于SSR标记的群体结构分析将材料划分为3个主要亚群体。使用一般线性模型(GLM)和混合线性模型(MLM)方法发现了10个显著的mta。我们发现两个标记BM142和J04555与GLM和MLM方法标记中常见的每株100粒重和荚果相关。所有的mta都被认为是主要的mta，贡献了25%以上的表型变异。本研究发现的重要数量性状位点可用于标记辅助育种，加快普通豆高产品系的遗传改良和发育。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.