|本期目录/Table of Contents|

[1]崔向华,隗正阳,杜振伟,等.芝麻产量相关性状全基因组关联分析[J].江苏农业科学,2023,51(21):106-113.
 Cui Xianghua,et al.Genome-wide association study on yield-related traits of sesame (Sesamum indicum L.)[J].Jiangsu Agricultural Sciences,2023,51(21):106-113.
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芝麻产量相关性状全基因组关联分析(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第51卷
期数:
2023年第21期
页码:
106-113
栏目:
遗传育种与耕作栽培
出版日期:
2023-11-05

文章信息/Info

Title:
Genome-wide association study on yield-related traits of sesame (Sesamum indicum L.)
作者:
崔向华1隗正阳1杜振伟2周霞丽1刘焱3石明权1阚跃峰1张少泽1崔承齐2梅鸿献2
1.驻马店市农业科学院,河南驻马店 463000; 2.河南省农业科学院芝麻研究中心,河南郑州 450008;3.南阳市农业科学院,河南南阳 473085
Author(s):
Cui Xianghuaet al
关键词:
芝麻产量性状全基因组关联分析SNP标记功能注释基因广义遗传力候选基因预测
Keywords:
-
分类号:
S565.303.2
DOI:
-
文献标志码:
A
摘要:
以294份遗传多样性丰富的芝麻种质资源为试验材料,于2014年调查驻马店市、商丘市、南阳市3个地点的株高、始蒴高度、单株蒴数、蒴粒数、千粒质量、单株产量等6个产量相关性状,结合33 027个SNP标记,使用混合线性模型进行全基因组关联分析,对重复检测到的显著SNP位点两侧99 kb区域内挖掘所有功能注释基因,根据注释信息找寻与目标性状相关的基因,并进行功能富集分析。结果表明,6个性状存在广泛变异,3个环境下变异系数表现为单株产量和单株蒴数>始蒴高度>蒴粒数>千粒质量>株高。6个性状均呈现正态分布,广义遗传力为44.07%~85.49%。经关联分析共检测到171个显著关联位点,表型变异解释率为5.46%~11.56%。在驻马店和商丘共同检测到6个与蒴粒数显著关联的位点,在其侧翼各99 kb区域内共挖掘到118个功能注释基因,其中SIN_1012613基因与拟南芥CKI1(AT2G47430)是同源基因,该基因可能通过调控雌配子的发育来决定芝麻蒴粒数。本研究结果有助于解析芝麻产量相关性状的遗传机制,为芝麻产量的遗传改良奠定理论基础。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2023-04-11
基金项目:国家特色油料产业技术体系建设专项(编号:CARS-14-1-01、CARS-14-2-16);河南省重大科技专项(编号:201300110600);河南省中央引导地方科技发展资金 (编号:Z20221343038);河南省农业科学院科技创新团队项目(编号:2023TD31);河南省农业科学院基础性科研工作项目(编号:2023JC13)。
作者简介:崔向华(1973—),男,河南驻马店人,副研究员,从事芝麻遗传育种及高产栽培技术研究。E-mail
更新日期/Last Update: 2023-11-05