Comparison of the Genetic Structures Surrounding qnrA1 in Korean Enterobacter cloacae and Chinese Escherichia coli Strains Isolated in the Early 2000s: Evidence for qnrA Mobilization via Inc HI2 Type Plasmid

Sang Hoon Han; Young Ah Kim; Minggui Wang; Yangsoon Lee; Hae-Sun Chung; Jong Hwa Yum; Dongeun Yong; Kyungwon Lee; June Myung Kim

doi:10.1007/s12275-012-1350-z

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Comparison of the Genetic Structures Surrounding qnrA1 in Korean Enterobacter cloacae and Chinese Escherichia coli Strains Isolated in the Early 2000s: Evidence for qnrA Mobilization via Inc HI2 Type Plasmid: Sang Hoon Han ¹, Young Ah Kim ², Minggui Wang ³, Yangsoon Lee ⁴, Hae-Sun Chung ⁴, Jong Hwa Yum ⁵, Dongeun Yong ⁴, Kyungwon Lee ⁴, June Myung Kim ¹; Journal of Microbiology 2012;50(1):166-169.
DOI: https://doi.org/10.1007/s12275-012-1350-z
Published online: February 27, 2012

¹Department of Internal Medicine and AIDS Research Institute, Yonsei University College of Medicine, Seoul 120-752, Republic of Korea , ²Department of Laboratory Medicine, National Health Insurance Corporation Ilsan Hospital, Gyeonggi-do 410-719, Republic of Korea, ³Institute of Antibiotics, Huashan Hospital, Fudan University, Shanghai 200040, P. R. China , ⁴Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University College of Medicine, Seoul 120-752, Republic of Korea , ⁵Department of Clinical Laboratory Science, Dong-eui University, Busan 614-714, Republic of Korea

Corresponding author: Dongeun Yong , Tel: +82-2-2228-2442,

Received: 18 July 2011 • Accepted: 25 October 2011

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Abstract

The flanking genetic structure of qnrA1 in Korean Enterobacter cloacae was identical to that of the Chinese Escherichia coli strain, the first qnrA1-carrying strain reported in Asia. Analysis of restriction enzyme sites and Southern blot hybridization results showed that qnrA1 was transferred between E. cloacae and E. coli via Inc HI2 type plasmid.

Keywords: qnrA1;plasmid;plasmid-mediated quinolone resistance;gene mobilization

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Comparison of the Genetic Structures Surrounding qnrA1 in Korean Enterobacter cloacae and Chinese Escherichia coli Strains Isolated in the Early 2000s: Evidence for qnrA Mobilization via Inc HI2 Type Plasmid

J. Microbiol. 2012;50(1):166-169. Published online February 27, 2012

DOI: https://doi.org/10.1007/s12275-012-1350-z

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