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园艺学报 ›› 2007, Vol. 34 ›› Issue (2): 481-484.

• 研究简报 • 上一篇    下一篇

苹果花药培养植株倍性及其纯合基因型的鉴定

张利义1;杨振英1; 丛佩华1;张开春2;刘建利3;薛光荣1   

  1. (1中国农业科学院果树研究所, 辽宁兴城125100; 2 北京市农林科学院林业果树研究所, 北京100093; 3 西北第二民族学院生命科学系, 银川750021)
  • 收稿日期:2006-07-21 修回日期:2006-12-29 出版日期:2007-04-25 发布日期:2007-04-25

Analysis of Ploidy and Homozygous Genotype of Apple Plants Obtained byAnther Culture

ZHANG Li-yi1, YANG Zhen-ying1,CONG Pei-hua1,ZHANG Kai-chun2 , LIU Jian-li3,and XUE Guang-rong1   

  1. (1Institute of Pom ology, Chinese Academ y of Agricultural Sciences, Xingcheng, L iaoning 125100, China; 2Institute of Forestry and Pomology, Beijing Academy of Agriculture and Forestry Sciences, B eijing 100093, China; 3Departm ent of Life Sciences, the Second Northwest University forM inorities, Yinchuan 750021, China)
  • Received:2006-07-21 Revised:2006-12-29 Online:2007-04-25 Published:2007-04-25

摘要: 用倍性分析仪对3株苹果花药培养植株进行了倍性鉴定, 并用AS2PCR分子标记分析其是否
为纯合体。流式细胞法测定其倍性分别为二倍体、三倍体和四倍体; AS2PCR分析证明它们为纯合基因型。可认为花药培养植株的多倍化现象可能是在组织培养条件下, 由起源于单倍体的细胞发生自然加倍所形成的结果。

关键词: 苹果, 花药培养, AS-PCR, 倍性, 纯合基因型

Abstract: In this paper, the ploidy and homozygous genotype of three apple plants obtained by anther culture were analyzed by using methods of the flow cytometric analysis and AS-PCR marker, in order to confirm their hap loid origin. The results have proved that they all have a true homozygous status by AS-PCR analysis although they are now dip loid, trip loid and tetrap loid respectively by Ploidy Analyser, which is possibly regarded as a result of spontaneous polyp loidisation from hap loid cell during tissue culture.

Key words: Apple, Anther culture, AS-PCR, Ploidy, Homozygous genotype

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