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http://dx.doi.org/10.5657/KFAS.2020.0443

Establishing of Optimal Culture Conditions for MIC Panels for MIC Determination of Fish Bacterial Pathogens  

Kim, Ye Ji (Department of Marine Life Sciences, Jeju National University)
Jun, Lyu Jin (Department of Marine Life Sciences, Jeju National University)
Kang, Mi Rae (Department of Marine Life Sciences, Jeju National University)
Lee, Da Won (Department of Marine Life Sciences, Jeju National University)
Woo, Soo Ji (Pathology Research Division, National Institute of Fisheries Science)
Kim, Myoung Sug (Pathology Research Division, National Institute of Fisheries Science)
Jeong, Joon Bum (Department of Marine Life Sciences, Jeju National University)
Publication Information
Korean Journal of Fisheries and Aquatic Sciences / v.53, no.3, 2020 , pp. 443-450 More about this Journal
Abstract
No established method can be used to select effective antibiotics in antibiotic susceptibility tests for fish bacterial pathogens quickly and accurately. Here, we established the optimal conditions for determining the minimal inhibitory concentration (MIC) of major fish bacterial pathogens (Streptococcus spp., Edwardsiella tarda, Vibrio spp., Aeromonas spp., and Pseudomonas spp.) using the KRAQ1 and CAMPY2 panels. The MIC panel used 18 antibiotics of two types and we conducted experiments to establish the optimal culture medium and temperature for each species. The optimal conditions for incubating Streptococcus spp. were in cation-adjusted Mueller-Hinton broth with TES buffer (CAMHBT) at 28℃, using 5% lysed horse blood (LHB) as recommended by the Clinical Laboratory Standards Institute. For Vibrio spp., the optimal culture conditions were 28℃ in CAMHBT supplemented with 1% NaCl. The optimal conditions for culturing E. tarda, Aeromonas spp., and Pseudomonas spp. were in CAMHBT at 28℃.
Keywords
Antibiotics susceptibility testing; KRAQ1 panel; CAMPY2 panel; Fish pathogen; MIC;
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Times Cited By KSCI : 4  (Citation Analysis)
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