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转查尔酮合酶基因对烟草花色及花器官的影响
引用本文:夏玉凤,耿晓娜,王万双,赵宝华.转查尔酮合酶基因对烟草花色及花器官的影响[J].生物技术通报,2010(1).
作者姓名:夏玉凤  耿晓娜  王万双  赵宝华
作者单位:1. 河北师范大学生命科学学院,石家庄,050016
2. 河北省种子管理总站,石家庄,050031
基金项目:河北省教育厅资助项目,河北省科技厅资助项目,河北师范大学博士科研基金,河北师范大学青年基金 
摘    要:花色是重要的园艺性状,一直是育种工作者苦苦追求的目标。利用植物基因工程技术可定向改良花色。根据已知的CHS序列(序列号M20308.),用PCR方法从拟南芥中克隆CHS基因,并分别将其以正向、反向插入到真核表达载体pBI121,在农杆菌介导下用叶盘转化法转化烟草。对转基因烟草进行检测,结果表明,转基因烟草的花色变淡、花青素含量降低;叶片颜色变浅、叶绿素含量降低。转基因烟草花的形态也发生了明显变异。

关 键 词:花青素  花色  基因工程  查尔酮合酶基因

The Influence of CHS Gene Expression on Flower Colour and Flower Morphology of Transgenic Tobaccos
Xia Yufeng,Geng Xiaona,Wang Wanshuang,Zhao Baohua.The Influence of CHS Gene Expression on Flower Colour and Flower Morphology of Transgenic Tobaccos[J].Biotechnology Bulletin,2010(1).
Authors:Xia Yufeng  Geng Xiaona  Wang Wanshuang  Zhao Baohua
Institution:Xia Yufeng1 Geng Xiaona1 Wang Wanshuang2 Zhao Baohua1(1 College of Life Science,Hebei Normal University,Shijiazhuang 050016,2 Seed Administrative Station of Hebei Province,Shijiazhuang 050031)
Abstract:Flower colour mainly determined by anthocyanins is an important trait.The floral color could be modified by using engineering technology such as antisence,co-supression,RNAi and multipal gene regulation.According to the submitted chs sequence,we cloned CHS gene from Arabidopsis thaliana by PCR method.The CHS gene was cloned into pBI121,and two expression vectors including pBI chs S(35S promoter:sence CHS gene)and pBI chsAN(35S promoter:antisence CHS gene)were obtained.Plant expression vectors were transform...
Keywords:Anthocyanin  Floral colour  Gene engineering  Chalcone synthase gene
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