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首页> 外文期刊>Antimicrobial agents and chemotherapy. >Use of inverse PCR for analysis of class 1 integrons carrying an unusual 3' conserved segment structure.
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Use of inverse PCR for analysis of class 1 integrons carrying an unusual 3' conserved segment structure.

机译:反向PCR用于分析携带不寻常的3'保守区段结构的1类整合素。

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摘要

By using inverse PCR and DNA sequencing, 13 sul3-associated mutational integrons, 2 defective class 1 integrons, and 1 qnrB2-associated complex sul1-type class 1 integrons were identified in Salmonella enterica serovar Choleraesuis, Pseudomonas aeruginosa, and Enterobacter cloacae, respectively. In addition, conjugation and Southern hybridization demonstrated that unusual class 1 integrons were located on plasmids or integrated into chromosomal DNA. Thus, an inverse PCR assay can be a valuable tool for the analysis of unusual structures of the 3' conserved region of class 1 integrons.
机译:通过反向PCR和DNA测序,分别在肠炎沙门氏菌,铜绿假单胞菌和阴沟肠杆菌中鉴定了13个sul3相关的突变整合素,2个有缺陷的1类整合素和1个与qnrB2相关的复杂sul1型1类整合素。此外,结合和Southern杂交表明不寻常的1类整合素位于质粒上或整合到染色体DNA中。因此,反向PCR测定法可以是用于分析1类整联蛋白的3'保守区的异常结构的有价值的工具。

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