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Metallo-beta-Lactamase-Producing Pseudomonas spp. in Korea: High Prevalence of Isolates with VIM-2 Type and Emergence of Isolates with IMP-1 Type
- Authors
- Lee, Kyungwon; Park, Ae Ja; Kim, Moon Yeun; Lee, Hee Joo; Cho, Ji-Hyun; Kang, Jung Oak; Yong, Dongeun; Chong, Yunsop
- Issue Date
- Jun-2009
- Publisher
- YONSEI UNIV COLL MEDICINE
- Keywords
- IMP-1; IMP-6; VIM-2; metallo-beta-lactamase; Korea
- Citation
- YONSEI MEDICAL JOURNAL, v.50, no.3, pp 335 - 339
- Pages
- 5
- Journal Title
- YONSEI MEDICAL JOURNAL
- Volume
- 50
- Number
- 3
- Start Page
- 335
- End Page
- 339
- ISSN
- 0513-5796
1976-2437
- Abstract
- Purpose: Two Korean nationwide studies showed that metallo-beta-lactamases (MBLs)-producing-Pseudomonas spp. are not rare. The aim of this study was to assess the trends of MBL-producing isolates among imipenem-resistant isolates of Pseudomonas spp. Materials and Methods: Imipenem-resistant clinical isolates were collected from 23 hospitals and one commercial laboratory participating in the KONSAR program in 2005. Polymerase chain reaction (PCR) was used to detect MBL genes. Results: Alleles of MBL genes were detected in 10.8% of 415 Pseudomonas aeruginosa and 66.7% of 12 P. putida isolates from 18 of 24 hospitals/laboratory. Among the 14 IMP-1-like and 39 VIM-2-like MBLs, emergence of IMP-6 was detected for the first time. Conclusion: Prevalence of MBL-producing P. aeruginosa has not significantly increased, but IMP-6 emerged in P. aeruginosa.
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