华西口腔医学杂志

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白色假丝酵母菌pACT1-GFP质粒的构建及表达

孙静 贾奋 夏明慧 钱华 董洪楠 亓庆国   

  1. 山东大学口腔医学院·山东省口腔生物医学重点实验室, 济南250012
  • 收稿日期:2012-04-25 修回日期:2012-04-25 出版日期:2012-04-01 发布日期:2012-04-01
  • 通讯作者: 亓庆国,Tel:0531-88382213
  • 作者简介:孙静(1983—),女,山东人,博士
  • 基金资助:

    国家自然科学基金资助项目(30973310);山东省优秀中青年科学家奖励基金资助项目(BS2009YY010)

The construction and expression of Saccharomyces albicans pACT1-GFP plasmids

Sun Jing, Jia Fen, Xia Minghui, Qian Hua, Dong Hongnan, Qi Qingguo   

  1. School of Stomatology of Shandong University, Key Laboratory of Oral  Biomedicine of Shandong Province, Jinan 250012, China
  • Received:2012-04-25 Revised:2012-04-25 Online:2012-04-01 Published:2012-04-01
  • Contact: Qi Qingguo,Tel:0531-88382213
  • About author:Sun Jing(1983—),女,山东人,博士

摘要:

目的构建能够稳定表达绿色荧光蛋白(GFP)的白色假丝酵母菌菌株,以便对目的基因进行示踪。方法构建pACT1-GFP质粒,以白色假丝酵母菌CAI4菌株作为感受态进行转化培养后,分别观察绿色荧光蛋白在两相型下的表达情况。结果含有pACT1-GFP的白色假丝酵母菌菌株,99%在两相型下均有较高水平的荧光蛋白表达,且荧光强度没有明显差别。结论pACT1-GFP能够在白色假丝酵母菌体内稳定表达。

关键词: 白色假丝酵母菌, 绿色荧光蛋白, 质粒

Abstract:

Objective To construct strains containing green fluorescent protein(GFP) to study gene regulation in Saccharomyces albicans cells during the infection process. Methods pACT1-GFP was constructed, and Saccharomyces albicans CAI4 was transformed. The expression of GFP in yeast and hyphal compartments was observed with microscopy. Results 99% of Saccharomyces albicans cells containing pACT1-GFP fusion displayed significant fluorescence levels both in the yeast and hyphal compartments. The fluorescence intensity in two compartments had no obvious difference. Conclusion pACT1-GFP can be expressed stably in the yeast cells.

Key words: Saccharomyces albicans, green fluorescent protein, plasmid