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Diversity of ampicillin resistant bacteria in domestic streams

국내 하천에 분포하는 ampicillin 내성균의 다양성

  • Go, Eun Byeul (Division of Biotechnology and Advanced Institute of Environmental and Bioscience, Chonbuk National University) ;
  • Chung, In-Young (Chemicals Research Division, Environmental Health Research Department, National Institute of Environmental Research Complex) ;
  • Kim, Hyuk (Chemicals Research Division, Environmental Health Research Department, National Institute of Environmental Research Complex) ;
  • Seok, Kwang-Seol (Chemicals Research Division, Environmental Health Research Department, National Institute of Environmental Research Complex) ;
  • Kim, Byeori (Division of Biotechnology and Advanced Institute of Environmental and Bioscience, Chonbuk National University) ;
  • Yoo, Yong-Jae (Division of Biotechnology and Advanced Institute of Environmental and Bioscience, Chonbuk National University) ;
  • Jang, Yejin (Division of Biotechnology and Advanced Institute of Environmental and Bioscience, Chonbuk National University) ;
  • Chae, Jong-Chan (Division of Biotechnology and Advanced Institute of Environmental and Bioscience, Chonbuk National University)
  • 고은별 (전북대학교 생명공학부 및 환경생명신기술연구소) ;
  • 정인영 (국립환경과학원 화학물질연구과) ;
  • 김혁 (국립환경과학원 화학물질연구과) ;
  • 석광설 (국립환경과학원 화학물질연구과) ;
  • 김벼리 (전북대학교 생명공학부 및 환경생명신기술연구소) ;
  • 유용재 (전북대학교 생명공학부 및 환경생명신기술연구소) ;
  • 장예진 (전북대학교 생명공학부 및 환경생명신기술연구소) ;
  • 채종찬 (전북대학교 생명공학부 및 환경생명신기술연구소)
  • Received : 2015.12.15
  • Accepted : 2015.12.18
  • Published : 2015.12.31

Abstract

The widespread emergence of antibiotic resistant microorganisms in clinics and natural environments has attracted public concern. Especially, microorganisms inhabiting natural environment is considered as a source responsible for increasing the abundance of antibiotic resistant genes in ecosystem. In this study, the diversity of culturable bacteria resistant to ampicillin was investigated with water samples collected from seven locations in Korea. The genera belonging to Aeromonas and Acidovorax were dominant among the isolated 498 strains. The 66% of isolates showed multi-drug resistance against more than six antibiotics among tested fourteen ones and isolates resistant to seven antibiotics were the most prevalent with 19.7% abundance. Using the antibiotics susceptibility results, the intrinsic resistance profile was suggested for the most dominant genera, Aeromonas, Acidovorax, Pseudomonas, and Elizabethkingia.

Keywords

ampicillin;multi-drug resistance;prevalence

Acknowledgement

Supported by : 환경부 국립환경과학원

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