苗龄和农杆菌侵染时间对小麦茎尖转化效率的影响(英文)

被引:10
作者
杨波
丁莉萍
姚璐
何光源
汪越胜
机构
[1] 华中科技大学,中英HUST-RRes作物基因工程和基因组学联合实验室
关键词
小麦; 整株转化法; 苗龄; 农杆菌侵染时间;
D O I
暂无
中图分类号
S512.1 [小麦];
学科分类号
摘要
本文将小麦幼苗划分为0日龄、1日龄、2日龄和3日龄苗,经茎尖部位的刺伤处理后,分别用带有uidA-nptII双元转化系统的农杆菌进行侵染,侵染时间设置30min、3h和12h三个处理,观察各处理组合下茎尖的GUS瞬时表达率。结果表明不同苗龄处理间无显著差异;而侵染时间处理间的差异达到显著水平;发现幼苗茎尖部位经刺伤后侵染处理30min时,其茎尖uidA基因瞬时表达率可达31%,表明提高小麦茎尖直接转化的效率应具有较大潜力。
引用
收藏
页码:358 / 362
页数:5
相关论文
共 5 条
[1]   A comparison of transgenic barley lines produced by particle bombardment and Agrobacterium-mediated techniques [J].
Travella, S ;
Ross, SM ;
Harden, J ;
Everett, C ;
Snape, JW ;
Harwood, WA .
PLANT CELL REPORTS, 2005, 23 (12) :780-789
[2]   Factors influencing Agrobacterium-mediated transformation of monocotyledonous species [J].
Cheng, M ;
Lowe, BA ;
Spencer, TM ;
Ye, XD ;
Armstrong, CL .
IN VITRO CELLULAR & DEVELOPMENTAL BIOLOGY-PLANT, 2004, 40 (01) :31-45
[3]  
Agrobacterium -mediated large-scale transformation of wheat ( Triticum aestivum L.) using glyphosate selection[J] . T. Hu,S. Metz,C. Chay,H. P. Zhou,N. Biest,G. Chen,M. Cheng,X. Feng,M. Radionenko,F. Lu,J. Fry.Plant Cell Reports . 2003 (10)
[4]   Comparative analysis of transgenic rice plants obtained by Agrobacterium-mediated transformation and particle bombardment [J].
Dai, SH ;
Zheng, P ;
Marmey, P ;
Zhang, SP ;
Tian, WZ ;
Chen, SY ;
Beachy, RN ;
Fauquet, C .
MOLECULAR BREEDING, 2001, 7 (01) :25-33
[5]  
Agrobacterium -mediated transformation of germinating seeds of Arabidopsis thaliana : A non-tissue culture approach[J] . Kenneth A. Feldmann,M. David Marks.MGG Molecular & General Genetics . 1987 (1)