Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Antimicrobial Resistance of Escherichia coli isolated from Oyster Crassostrea gigas, Sea Squirts Halocynthia roretzi and Sea Cucumbers Apostichopus japonicus

굴(Crassostrea gigas), 멍게(Halocynthia roretzi) 및 해삼(Apostichopus japonicus)에서 분리한 대장균의 항균제 내성 특성

  • Park, Kunbawui (Food Safety and Processing Research Division, National Institute of Fisheries Science) ;
  • Ryu, A Ra (Food Safety and Processing Research Division, National Institute of Fisheries Science) ;
  • Kim, Song Hee (Food Safety and Processing Research Division, National Institute of Fisheries Science) ;
  • Ham, In Tae (Food Safety and Processing Research Division, National Institute of Fisheries Science) ;
  • Kwon, Ji Young (Food Safety and Processing Research Division, National Institute of Fisheries Science) ;
  • Kim, Ji Hoe (Research and Development Planning Department, National Institute of Fisheries Science) ;
  • Yu, Hong Sik (West Sea Fisheries Research Institute, National Institute of Fisheries Science) ;
  • Lee, Hee Jung (Food Safety and Processing Research Division, National Institute of Fisheries Science) ;
  • Mok, Jong Soo (Food Safety and Processing Research Division, National Institute of Fisheries Science)
  • 박큰바위 (국립수산과학원 식품위생가공과) ;
  • 류아라 (국립수산과학원 식품위생가공과) ;
  • 김송희 (국립수산과학원 식품위생가공과) ;
  • 함인태 (국립수산과학원 식품위생가공과) ;
  • 권지영 (국립수산과학원 식품위생가공과) ;
  • 김지회 (국립수산과학원 연구기획과) ;
  • 유홍식 (국립수산과학원 서해수산연구소) ;
  • 이희정 (국립수산과학원 식품위생가공과) ;
  • 목종수 (국립수산과학원 식품위생가공과)
  • Received : 2017.09.11
  • Accepted : 2017.09.28
  • Published : 2017.10.31
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Abstract

This study evaluated the abundance of fecal coliforms in oysters Crassostrea gigas, sea squirts Halocynthia roretzi and sea cucumbers Apostichopus japonicus in fisheries along the coast of Korea in 2014, and investigated the prevalence of antimicrobial resistance in Escherichia coli isolated from these fishery products. The ranges of fecal coliforms found in oysters, sea squirts and sea cucumbers were <18-20, <18-330 and <18-3,300 MPN (most probable number)/100 g, respectively. Sea squirts contained the greatest range of E. coli (<20-140 MPN/100 g), followed by sea cucumbers (<20-130 MPN/100 g) and oysters (<20-20 MPN/100 g). A total of 26 strains of E. coli were isolated from 34 sea squirt, 25 sea cucumber and 13 oyster samples. Strains thus isolated were tested for their susceptibility to 22 antimicrobial agents used in Korea for medical or veterinary therapy. E. coli isolates showed the greatest resistance to ampicillin (84.6%), followed by trimethoprim (34.6%), nalidixic acid (34.6%), tetracycline (30.8%), pipemidic acid (26.9%), streptomycin (23.1%), chloramphenicol (23.1%), trimethoprim/sulfamethoxazole (23.1%), and gentamicin (15.4%). Resistance to at least one antimicrobial agent was present in 88.5% of E. coli isolates. Of the 26 isolated, six strains (23.1%) were resistant to multiple antimicrobial agents.

Keywords

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