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110份小麦品种(系)品质相关性状功能基因的KASP标记检测

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为了解110份小麦育种材料品质相关性状基因功能标记的组成,利用25个KASP标记对供试材料进行检测,这些KASP功能标记鉴定的品质性状包括小麦1B/1R易位系、高分子量谷蛋白亚基(HMW-GS)、低分子量谷蛋白亚基(LMW-GS)、籽粒硬度、面粉色泽、籽粒颜色等,结果表明:供试材料中携带1B/1R易位的占43.64%;HMW-GS检测标记中Glu-A1优质亚基Glu-Ax1和Glu-Ax2*的比例分布为50.91%和3.64%,Glu-B1位点优质亚基Bx7OE和Bx13在供试材料中未检测到,Glu-D1位点1Dx5+1Dy10优质亚基的比例较少,占16.36%;2个主效控制籽粒硬度的优势等位基因Pina-D1b和Pinb-D1b所占的比例分布为4.55%和95.46%,微效基因Pinb-B2b占比为16.36%;多酚氧化酶基因Ppo-A1b在供试材料中没有检测到,Ppo-D1a的比例也较少,仅占4.55%,籽粒黄色素含量相关的基因中有利等位基因Psy-B1a或Psy-B1b的比例较高,占95.45%,其次是TaLyc-B1b和Psy-A1b分别占77.27%和50%;Tamby-D1b控制籽粒颜色的主效基因在供试材料中没有检测出,Tamby-A1b占5.45%,糯质基因Wx-B1b占比也较少,仅为4.54%.这些检测的功能标记的有利等位基因在不同育种单位选育的材料中比例不同.综上所述,本研究利用KASP标记明确了品质性状相关基因等位基因的组成,为下一步本地区小麦品质性状分子标记辅助选择育种提供了参考.
KASP Marker Detection of Functional Genes Related to Quality Traits in 110 Wheat Varieties(Lines)
In order to ascertain the composition of functional markers for quality traits in 110 varieties(lines),we detected these materials with high-throughput KASP markers.These quality traits included 1B/1R translocation line,high molecular weight glutenin subunits(HMW-GS),low molecular weight glutenin subunits(LMW-GS),kernel hardness,flour color,seed color.The results showed the tested materials contained 1B/1R translocation lines with the proportion of 43.64%.HMW-GS genes Glu-Ax1 and Glu-Ax2*accounted for 50.91%and 3.64%,re-spectively,and the proportion of 1Dx5+1Dy10 at Glu-Dl loci was 16.36%.The proportion of the favorable allele for kernel hardness detected by Pina-D1b and Pinb-D1b were 4.55%and 95.46%,respectively,and that of PPO-D1 was small,only accounted for 4.55%.For flour color,the proportion of Psy-B1a or Psy-B1b,TaLyc-B1b and Psy-A1b were 95.45%,77.27%and 50%,respectively.Tamby-D1b,the main effector gene controlling seed color,was not detected in the test material,while Tamby-A1b accounted for 5.45%,and the glutinous gene Wx-B1b ac-counted for a smaller proportion of 4.54%.These functional markers had various proportions in different breeding department.In conclusion,this study identified the alleles of quality trait related genes using KASP markers,pro-vided reference for further marker-assisted selection breeding of wheat quality traits in the region.

WheatQuality traitsKASP markers

宋晓朋、杨瑞晗、高思亮、陈杰、王梦扬、孔子明、周霞丽

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驻马店市农业科学院,驻马店,463000

河南省农业广播电视学校遂平县分校,遂平,463100

驻马店市遂平县农业农村局,遂平,463100

小麦 品质性状 KASP标记

国家现代农业产业技术体系项目

CARS-03

2024

分子植物育种
海南省生物工程协会

分子植物育种

CSTPCD北大核心
影响因子:0.765
ISSN:1672-416X
年,卷(期):2024.22(12)
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