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园艺学报 ›› 2004, Vol. 31 ›› Issue (6): 737-742.

• 研究论文 • 上一篇    下一篇

应用绿色荧光蛋白报告基因优化辣椒的遗传转化体系

杨国顺1,2;谢丙炎1*;杨宇红1;王晓武1;卢向阳2;蒋芳玲1,2   

  1. (1 中国农业科学院蔬菜花卉研究所, 北京100081 ; 2 湖南农业大学园艺园林学院, 长沙410128)
  • 收稿日期:2003-12-02 修回日期:2004-03-24 出版日期:2004-12-25 发布日期:2004-12-25
  • 通讯作者: 谢丙炎

Improvement of Genetic Transformation System by Using GFP as ReporterGene on Pepper

Yang Guoshun1,2;Xie Bingyan1*; Yang Yuhong1; Wang Xiaowu1; Lu Xiangyang2; Jiang Fangling1,2
  

  1. (1 Institute of Vegetables and Flowers , Chinese Academy of Agricultural Science , Beijing 100081 , China ; 2 Horticultural and Landscape College , Hunan Agricultural University , Changsha 410128 , China)
  • Received:2003-12-02 Revised:2004-03-24 Online:2004-12-25 Published:2004-12-25
  • Contact: Xie Bingyan

摘要: 以‘中椒5 号’甜椒和‘湘研10 号’辣椒子叶外植体为试料, 绿色荧光蛋白GFP 基因为报
告基因, 通过观察检测愈伤组织的荧光表达与特异PCR 扩增鉴定, 分析了工程菌液pH 值、共培养基中乙酰丁香酮(AS) 的浓度、共培养时的温度与共培养时间对农杆菌转化辣椒效率的影响。结果表明, 在pH5.2、共培养基中加入AS 200 μmol·L - 1 、23 ℃黑暗条件下, 农杆菌与辣椒子叶共培养5 d , 有利于辣椒子叶的遗传转化,‘中椒5 号’、‘湘研10 号’愈伤组织荧光表达率均达到了40 %。

关键词: 辣椒, 子叶, 绿色荧光蛋白基因, 遗传转化

Abstract: Effect of transferring efficiency of Agrobacterium tumef aciens pH value 、concentration of AS added in co-cultivation medium , temperature during co2cultural stage and days for co-cultivation were studied through PCR
amplification and observation of green fluorescent protein expression by used GFP as reporter gene on cotyledon of ‘Zhongjiao 5’and‘Xiangyan 10’. The results show that when pH value of Agrobacterium solution is 5.2 , transformation efficiency of pepper cotyledon incubated on co-cultivation medium added 200μmol·L -1 AS increased significantly under 23 ℃and 5 days dark co-cultivation. The rate of expression of green fluorescent protein are up to 40 % on calli of cotyledon of both‘Zhongjiao 5’and‘Xiangyan 10’.

Key words: Pepper, Cotyledon, Green fluorescent protein, Genetic transformation

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