中华口腔医学研究杂志(电子版) ›› 2013, Vol. 07 ›› Issue (02) : 100 -104. doi: 10.3877/cma.j.issn.1674-1366.2013.02.004 × 扫一扫
基础研究
收稿日期:
出版日期:
通信作者:
Li GAO1, Yuanyuan MA1, Yun FU1, Yu WANG1,†()
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Corresponding author:
高雳, 马媛媛, 付云, 王羽. 牙龈卟啉单胞菌PG2206 基因突变株的构建[J/OL]. 中华口腔医学研究杂志(电子版), 2013, 07(02): 100-104.
Li GAO, Yuanyuan MA, Yun FU, Yu WANG. Construction of a mutant in the PG2206 gene of Porphyromonas gingivalis[J/OL]. Chinese Journal of Stomatological Research(Electronic Edition), 2013, 07(02): 100-104.
目的
探讨牙龈卟啉单胞菌(P.gingivalis)PG2206 基因缺失突变株的构建方法,为进一步研究该基因的功能提供实验基础。
方法
将具有四环素抗性的重组基因载体转导入P.gingivalis W83 的感受态细胞中替换PG2206,在四环素抗性的培养基上筛选阳性克隆株,命名为PG2206 基因突变株。
结果
对阳性克隆株进行验证,成功构建出P.gingivalis W83 的PG2206 基因缺失的突变株。
结论
采用同源重组的方法可成功构建PG2206 基因突变株。
Objective
To determine the function of PG2206 gene from Porphyromonas gingivalis(P.gingivalis) W83 strain,a mutant in the PG2206 gene was constructed by homologous recombination.
Methods
The recombinant gene with tetracycline resistance was transduced into competent cells of P.gingivalis W83. After electroporated and selected on the tetracycline brain heart infusions plates,the single colony was collected and designated as PG2206 gene-deficient mutant.
Results
The positive clones were verified by PCR,which indicates that the PG2206 gene was knocked out successfully.
Conclusion
A PG2206 gene-defective mutant was created successfully.