华北农学报 ›› 2008, Vol. 23 ›› Issue (5): 13-16. doi: 10.7668/hbnxb.2008.05.003

所属专题: 生物技术

• 论文 • 上一篇    下一篇

ahFAD2基因RNA干扰体的删除筛选标记载体构建及其遗传转化

黄冰艳1, 苗利娟1, 张新友1, 严玫1, 翁海波2, 易明林1, 陈占宽1   

  1. 1. 河南省农业科学院, 农作物新品种重点实验室, 河南, 郑州, 450002;
    2. 郑州大学, 生物工程系, 河南, 郑州, 450001
  • 收稿日期:2008-05-04 出版日期:2008-10-28
  • 通讯作者: 张新友(1963-),男,河南太康人,研究员,硕士,主要从事花生遗传育种研究工作。
  • 作者简介:黄冰艳(1965-),女,河南新乡人,副研究员,硕士,主要从事作物基因工程研究工作。
  • 基金资助:
    国家“863”计划(2006AA10A114);国家科技支撑计划(2006BAD01A04)

Construction of Selectable Marker Excision Vector forahFAD2RNAi and Its Transformation

HUANG Bing-yan1, MIAO Li-juan1, ZHANG Xin-you1, YAN Mei1, WENG Hai-bo2, YI Ming-lin1, CHEN Zhan-kuan1   

  1. 1. Henan Key Laboratory for Crop Improvement, Henan Academy of Agriculture Sciences, Zhengzhou 450002, China;
    2. Bioengineering Department, Zhengzhou University, Zhengzhou 450001, China
  • Received:2008-05-04 Published:2008-10-28

摘要: 将Napin启动子与含花生FAD2基因反向重复片段的RNA干扰结构连接,亚克隆至含雌激素诱导重组系统的植物表达载体pNCX相应位点中,构建完成由Napin启动子驱动的FAD2RNAi删除筛选标记表达载体pNCX-FAD2RNAi,经酶切鉴定,获得相应的启动子片段、FAD2RNAi片段及NCX-FAD2RNAi片段。利用农杆菌介导法进行遗传转化,已获得抗性丛生芽21丛。

关键词: ahFAD2, RNA干扰, 删除筛选标记, 载体构建

Abstract: Napin promoter was ligated withahFAD2RNAi construct,which contains inverted repeat fragments of FAD2 gene from peanut.The selectable marker excision vector pNCX-FAD2RNAi(N)was constructed by subcloning theahFAD2RNAi(N)into expression vector PNCX,which included an estrogen-inducible Cre/loxP DNA recombination system for the purpose to obtain selectable marker free transgenic lines of peanut with high oleic acid.It is confirmed by restricted enzyme digests that theconstruct contains the promoter,FAD2RNAi and NCX-FAD2RNAi fragments.Agrobac-terium mediated transformation was conducted and 214 cluster buds were obtained.

Key words: ahFAD2, RNA interference, Selectable marker excision, Vector construction

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引用本文

黄冰艳, 苗利娟, 张新友, 严玫, 翁海波, 易明林, 陈占宽. ahFAD2基因RNA干扰体的删除筛选标记载体构建及其遗传转化[J]. 华北农学报, 2008, 23(5): 13-16. doi: 10.7668/hbnxb.2008.05.003.

HUANG Bing-yan, MIAO Li-juan, ZHANG Xin-you, YAN Mei, WENG Hai-bo, YI Ming-lin, CHEN Zhan-kuan. Construction of Selectable Marker Excision Vector forahFAD2RNAi and Its Transformation[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2008, 23(5): 13-16. doi: 10.7668/hbnxb.2008.05.003.

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