华北农学报 ›› 2009, Vol. 24 ›› Issue (2): 17-21. doi: 10.7668/hbnxb.2009.02.004

所属专题: 小麦 杂粮作物 抗旱节水 生物技术

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利用花粉管通道转化谷子DNAj基因获得转基因小麦

王永芳1, 张军2, 崔润丽3, 李伟1, 智慧1, 李海权1, 刁现民1   

  1. 1. 国家谷子改良中心, 河北省农林科学院 谷子研究所, 河北 石家庄 050031;
    2. 河北农业大学 农学院, 河北 保定 071001;
    3. 河北化工医药学院,河北 石家庄 050026
  • 收稿日期:2008-12-25 出版日期:2009-04-28
  • 通讯作者: 刁现民( 1963- ), 男, 河北南和人, 研究员, 博士, 博士生导师, 主要从事谷子功能基因组和遗传育种研究。
  • 作者简介:王永芳( 1973- ), 女, 河北泊头人, 在读博士, 主要从事禾本科生物技术研究.
  • 基金资助:
    国家"863"项目(2006AA10Z157);国家自然科学基金项目(30630045)

Transformation of Wheat with DNAj Gene from Foxtail Millet via Pollen-tube Pathway

WANG Yong-fang1, ZHANGJun2, CUI Run-li3, LI Wei1, ZHI Hui1, LI Hai-quan1, DIAO Xian-min1   

  1. 1. National Millet Improvement Center of China, Institute of Millet Crops, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang 050031,China;
    2. College of Agronomy, Agriculatural University of Hebei, Baoding 071001, China;
    3. Hebei Institute of Chemical Technology and Medicine, Shijiazhuang 050026, China
  • Received:2008-12-25 Published:2009-04-28

摘要: 为提高小麦的抗旱能力,采用花粉管通道法将本实验室克隆的谷子抗逆相关基因DNAj转入小麦中.对授粉方式、柱头处理方式、质粒DNA浓度及DNA稀释试剂等因素对结实率的影响进行了对比,结果只有授粉方式对结实率的影响有显著差异,其他条件下结实率均未显示显著差异.对转化获得的703株T0小麦植株提取DNA进行分子检测,有1株小麦稳定扩增到了预期的1260 bp的目的基因片段.虽然转化效率偏低(1.42‰),但说明利用花粉管通道法将谷子的抗逆相关基因DNAj导人小麦是可行的,为创造抗逆性改良的小麦新材料奠定了基础.

关键词: 小麦, DNAj基因, 花粉管通道法, 转化

Abstract: In order to obtain drought-tolerant transgenic wheat lines,DNAj gene from foxtail millet,which was demonstrated to be related with drought and heat tolerant,was tried to introduce into 4 wheat cultivars via the pollen-tube pathway.The effects on seed setting under different pollination methods,different treatments with stigmas,DNA concentration and DNA diluents were studied and only the method of pollination showed distinct influence on the seed setting rate.Genomic PCR of T0 generation plants revealed that the DNAj gene fromfoxtail millet was integrated into one wheat plant by repeated assay.This indicated it was feasible to introduce DNAj gene fromfoxtail millet into wheat via the pollen-tube pathway even the transgenic efficiency was only 1. 42 ‰.Our work has established the foundation for creating drought-tol-erant wheat materials with foxtail millet genes.

Key words: Wheat, DNAj gene, Pollen tube pathway, Transfomation

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引用本文

王永芳, 张军, 崔润丽, 李伟, 智慧, 李海权, 刁现民. 利用花粉管通道转化谷子DNAj基因获得转基因小麦[J]. 华北农学报, 2009, 24(2): 17-21. doi: 10.7668/hbnxb.2009.02.004.

WANG Yong-fang, ZHANGJun, CUI Run-li, LI Wei, ZHI Hui, LI Hai-quan, DIAO Xian-min. Transformation of Wheat with DNAj Gene from Foxtail Millet via Pollen-tube Pathway[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2009, 24(2): 17-21. doi: 10.7668/hbnxb.2009.02.004.

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