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园艺学报 ›› 2006, Vol. 33 ›› Issue (6): 1341-1344.

• 研究报告 • 上一篇    下一篇

白菜离体春化相关基因表达的cDNA-AFLP分析

孙保娟1, 2;曹家树1;黄细松1;余小林1   

  1. (1 浙江大学蔬菜研究所, 浙江杭州310029; 2 广东省农业科学院蔬菜研究所, 广东广州510640)
  • 收稿日期:2006-01-12 修回日期:2006-03-27 出版日期:2006-12-25 发布日期:2006-12-25
  • 通讯作者: 曹家树

cDNA-AFLP Analysis on Genes Associated with Vernalization in Vitro inBrassica campestris ssp. chinensis

Sun Baojuan1, 2;Cao Jiashu1;Huang Xisong1;Yu Xiaolin1   

  1. (1 Institute of Vegetable Science, Zhejiang University, Hangzhou, Zhejiang 310029, China; 2Vegetable Research Inseitute, Guangdong Academy of Agricultural Sciences, Guangzhou, Guangdong 510640, China)
  • Received:2006-01-12 Revised:2006-03-27 Online:2006-12-25 Published:2006-12-25
  • Contact: Cao Jiashu

摘要: 借助cDNA-AFLP技术分离到15个与白菜离体春化反应相关的表达序列标签( EST) 。Blast结
果表明: 低温春化处理抑制性表达的12个EST, 多与异化作用相关基因同源性较高; 春化诱导表达的3个EST, 分别与编码核糖体蛋白的亚基(或与自主开花途径相关的FAC基因连锁的因子) , ATPase的亚基,小G - 蛋白亚基的基因同源性较高。

关键词: 白菜, 春化, 离体, 基因, cDNA-AFLP

Abstract: Fifteen ESTs associated with vernalization in vitro of Chinese cabbage-pak-choi (Brassica campestris L. ssp. chinensis Makino) were isolated by cDNA-AFLP. Blast results showed that 12 ESTs down-regulated by vernalization had high similarity to genes encoding enzymes involved in the disassimilation. 3 ESTs up regulated had high similarity to geneswith positive effect on vernalization, including ribosomal protein subunit related to the synthesis of priotein or the linkage factor of FAC involved in auto flowering pathway, the
subunit of ATPase, and the subuint of small-G-protein.

Key words: Chinese cabbage-pak-choi, Brassica campestris ssp. chinensis, Vernalization, In vitro, Gene, cDNA-AFLP

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