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利用绿色荧光蛋白研究大豆疫霉与大豆的互作 被引量:8

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摘要 利用卵菌Bremia lactucae的hsp70启动子和ham34终止子序列,将外源绿色荧光蛋白(green fluorescent protein,GFP)基因转化进大豆疫霉.利用荧光显微镜观察了gfp基因在大豆疫霉不同发育阶段的表达.另外,利用该报告基因系统观察了大豆疫霉在寄主大豆叶片、下胚轴和根部的侵染行为以及显微分析了不同抗性的大豆品种抗大豆疫病在根部的差异.结果表明,gfp基因能够在大豆疫霉中稳定表达,在菌丝、游动孢子囊、游动孢子、休止孢、卵孢子阶段都能够观察到绿色荧光;以GFP作为标记可以实时地观察到大豆疫霉在寄主体内的侵染过程,发现大豆疫霉在抗性大豆品种根部表面萌发的芽管明显长于在感病品种根部萌发的芽管长度.结果表明,GFP可以作为大豆疫霉遗传研究中有价值的分子标记.
出处 《科学通报》 EI CAS CSCD 北大核心 2009年第13期1894-1901,共8页 Chinese Science Bulletin
基金 国家自然科学基金(批准号:30671345) 江苏省自然科学基金(批准号:BK2007161)资助项目
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参考文献3

  • 1左豫虎,康振生,黄丽丽,韩青梅.大豆疫霉菌对大豆下胚轴侵染过程的细胞学研究[J].植物病理学报,2005,35(3):235-241. 被引量:17
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