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棉花遗传多样性SCoT和SRAP标记的研究及比较分析
引用本文:李正鹏,李廷春,樊洪泓,胡能兵,凌磊,林毅,蔡永萍.棉花遗传多样性SCoT和SRAP标记的研究及比较分析[J].激光生物学报,2011,20(2):236-244.
作者姓名:李正鹏  李廷春  樊洪泓  胡能兵  凌磊  林毅  蔡永萍
作者单位:1. 安徽农业大学生命科学学院,安徽,合肥,230036;安徽科技学院生命科学学院,安徽,凤阳,233100
2. 安徽农业大学生命科学学院,安徽,合肥,230036
基金项目:安徽省"十一五"科技攻关项目,高校博士点基金项目,安徽省教育厅重点项目
摘    要:利用SCoT和SRAP两种分子标记技术对30份彩色棉与白色棉种质资源,进行遗传多样性研究。用29对SRAP引物组合和26个SCoT引物分别对供试棉花的基因组DNA进行扩增。SCoT引物共扩增出163条带,多态性比率为61.96%,遗传相似系数GS值变化范围为0.5405~0.9972。SRAP引物组合共扩增条带1067条,多态性比率仅为14.1%,遗传相似系数GS值变化范围为0.5415~0.9109。两种标记系统得到了相似但并不完全相同的聚类图,2种标记方法间存在显著相关性(r=0.5518,P<0.05)。结果表明,SRAP与SCoT标记均适用于棉花种质的遗传多样性分析,且SCoT的标记指数MI高于SRAP标记,为SCoT这种新兴的标记技术在棉花育种中的应用提供了重要的依据。

关 键 词:棉花  SCoT标记  SRAP标记  遗传多样性

Comparison of SCoT and SRAP Markers for Genetic Analysis of Gossypium hirsutum
LI Zheng-peng,LI Ting-chun,FAN Hong-hong,HU Neng-bing,LING Lei,LIN Yi,CAI Yong-ping.Comparison of SCoT and SRAP Markers for Genetic Analysis of Gossypium hirsutum[J].ACTA Laser Biology Sinica,2011,20(2):236-244.
Authors:LI Zheng-peng  LI Ting-chun  FAN Hong-hong  HU Neng-bing  LING Lei  LIN Yi  CAI Yong-ping
Institution:LI Zheng-peng~(1,2),LI Ting-chun~1,FAN Hong-hong~1,HU Neng-bing~(1,LING Lei,LIN Yi~(1*),CAI Yong-ping~1 (1.School of Life Sciences,Anhui Agricultural University,Hefei 230036,Anhui,China,2.School of Life Sciences,Anhui Science and Technology University,Fengyang 233100,China)
Abstract:The study was carried out in order to analyze genetic diversity in Gossypium hirsutum and compare the Marker index(MI) between SCoT and SRAP markers.Using 29 SRAP primer combinations,the genetic diversity of the materials in Gossypium hirsutum were studied.A total of 1 067 loci were generated by 29 SRAP primer combinations,of which 14.1%was polymorphic and the genetic similarity ranged from 0.5415 to 0.9109.As for SCoT,163 bands were obtained and 61.96%of them was polymorphic,and the genetic similarity was ...
Keywords:cotton  SCoT marker  SRAP marker  genetic diversity  
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