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园艺学报 ›› 2004, Vol. 31 ›› Issue (5): 593-597.

• 研究论文 • 上一篇    下一篇

桃分子连锁图的构建与分析

吴俊1,3;束怀瑞1;张开春2*;姜立杰2;周晓航2;辛翠花2   

  1. (1山东农业大学园艺学院, 泰安271018;2 北京市农林科学院林业果树研究所, 北京00093 ; 3南京农业大学园艺学院, 南京210095)
  • 收稿日期:2003-11-04 修回日期:2003-05-08 出版日期:2004-10-25 发布日期:2004-10-25
  • 通讯作者: 张开春

Construction and Analysis of Peach Genetic Map

Wu Jun1,3;Shu Huairui1;Zhang Kaichun2;Jiang Lijie2;Zhou Xiaohang2;Xin Cuihua2   

  1. (1College of Horticulture , Shandong A griculture University,Tai'an 271018 , China; 2Institute of Forestry and Pomology,Beijing Academy of Agriculture and Forestry Sciences , Beijing 100093 , China ; 3 College of Horticulture , Nanjing Agriculture University , Nanjing 210095 , China)
  • Received:2003-11-04 Revised:2003-05-08 Online:2004-10-25 Published:2004-10-25
  • Contact: Zhang Kaichun

摘要: 以‘大久保’与‘兴津油桃’杂交的F2代109 株群体为试材, 采用AFLP、RAPD、SSR 分子
标记进行遗传分析。筛选扩增稳定、多态性丰富的36 对AFL P 引物、3 对SSR 引物、2 对RAPD 引物进行群体分离分析, 获得分离标记136 个, 卡方检验27 个标记偏离孟德尔分离比例。应用Mapmaker 分析软件将符合孟德尔遗传分离比例的标记构建了包含11 个连锁群的连锁图谱, 每个连锁群包含3~21 个标记, 平均为8.73 个标记。该图谱覆盖基因组1061.8 cM , 11 个连锁群的平均长度为96.5 cM , 标记间平均图距为11.0 cM , 与果实毛/ 油桃( G/ g) 、白/ 黄肉( Y/ y) 连锁的RAPD 标记、非酸/ 酸(D/ d) 性状连锁的AFLP标记分别定位在第3 、7 、9 连锁群上。

关键词: 桃, 连锁图谱, AFLP, RAPD, SSR

Abstract: A linkage map of peach was const ructed with AFL P , SSR and RAPD markers in 109 F2population derived f rom the cross of ‘Okubo’and‘Xingjin’nectarine. The selected primers including 36 AFLP , 3SSR and 2RAPD with rich polymorphism and steady bands were tested in progeny. 136 markers
were scored , of which 27 markers were skewed segregation by X2 test . Mapmaker were used to assigned the expected segregation markers to 11 linkage groups , the number of loci mapped in the 11 linkage group
was 3 - 21 and there was 8.73 (average value) loci per group. Whole length of linkage map was 1061.8 cM , The average length of 11 groups was 96.5 cM , and average interval between markers was 11.0 cM.
RAPD markers linked to G/ g , Y/ y and AFL P markers linked to D/ d gene were located in group 3 、group
7 and group 9 respectively.

Key words: Peach 〔Prunus persica (L. ) Bat sch〕, Linkage map, AFLP, RAPD, SSR

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