Development of a gene transfer system in Treponema denticola by electroporation.

Development of a gene transfer system in Treponema denticola by electroporation.
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通过电穿孔开发密螺旋体基因转移系统。

DOI:
10.1111/j.1399-302x.1996.tb00352.x
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发表时间:
1996
影响因子:
--
通讯作者:
Kuramitsu,HK
Kuramitsu,HK
中科院分区:
--
文献类型:
--
作者:
Li,H;Kuramitsu,HK

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齿垢密螺旋体与牙周病的病因密切相关。然而,这种生物的遗传转化尚未报道。我们现在展示了一个基因转移系统在T. denticolaby电穿孔使用广泛的宿主质粒pKT 210作为穿梭载体。质粒提取、Southern杂交和聚合酶链反应均证实了该质粒的存在。从T.在土栖性大肠杆菌中的denticolattransformants表明,一些拯救的质粒与原始pKT 210相同,但其中一些已被修饰。这种转化系统可能是一个潜在的有用的工具,口腔螺旋体的遗传操作。
Treponema denticolais strongly implicated in the etiology of periodontal diseases. However, genetic transformation of this organism has not been reported. We now demonstrate a gene transfer system inT. denticolaby electroporation using a broad host plasmid pKT210 as a shuttle vector. Plasmid extraction, Southern blot hybridization as well as the polymerase chain reaction indicated the presence of the plasmid inT. denticolatransformants. The restriction patterns of plasmid pKT210 rescued from theT. denticolatransformants inEscherichea colisuggested that some of the rescued plasmids were identical to the original pKT210, but some of them had been modified. This transformation system could be a potentially useful tool for genetic manipulation of oral spirochetes.
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