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草业学报  2015 

农杆菌介导含硫氨基酸γ-zein转化菊苣的初步研究

DOI: 10.11686/cyxb2014307, PP. 73-79

Keywords: γ,-zein基因,菊苣,农杆菌转化,含硫氨基酸

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Abstract:

含硫氨基酸具有动物营养与免疫相关的重要生理功能,为提高菊苣中含硫氨基酸含量,采用根癌农杆菌介导法将玉米种子贮藏蛋白含硫氨基酸基因γ-zein和绿色荧光蛋白GFP融合基因转入到菊苣无菌苗叶片中,经过共培养、潮霉素抗性筛选、分化、再生和炼苗,得到抗性植株。对抗性植株进行PCR、PCR-Southern、斑点杂交和RT-PCR分析,结果表明,外源目的基因已经整合到菊苣基因组中并且得到了表达,为提高菊苣含硫氨基酸含量,改善其品质奠定了基础。

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