Journal article
Characterisation of pathogenic Vibrio spp. isolated from live Pacific abalone (Haliotis discus hannai Ino, 1953) marketed in South Korea
Indian Journal of Fisheries, Vol.67(1), pp.105-113
2020
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Source: InCites
Abstract
This study aimed to evaluate the profile of virulence factors and antimicrobial resistance in Vibrio spp. isolated from live Pacific abalone (Haliotis discus hannaiIno, 1953) marketed in South Korea. A total of 32 Vibrio isolates comprising V. alginolyticus (n=15), V. diabolicus (n=14), V. antiquarius (n=2) and V. parahaemolyticus (n=1) were analysed. All isolates demonstrated DNase, lipase, phospholipase and amylase activities. Additionally, production of slime (97%), gelatinase (94%), α-haemolysin (22%), β-haemolysin (78%) and protease (53%) were detected. Virulence genes viz., toxR, tlh, tdh, VAC, VPI, ctxAB and hupO were recorded in 56, 59, 13, 100, 41, 9 and 9% of the isolates, respectively. All isolates were resistant to ampicillin and 88% of the isolates were resistant to cephalothin and colistin sulphate. Twentyone isolates (66%) showed multiple antimicrobial resistance (MAR) index ≥0.2. Antimicrobial resistance genes blaCTX (85%), blaTEM (10%), blaSHV (10%), strAB (13%) and aphA-IAB (22%) and class 1 integrons (19%) were detected. V. diabolicus and V. antiquarius were identified and characterised for the first time in the Pacific abalone. Our findings imply the significance of integrated monitoring and surveillance programmes for the occurrence, virulence, and antimicrobial resistance patterns of vibrios in Pacific abalone.
Details
- Title
- Characterisation of pathogenic Vibrio spp. isolated from live Pacific abalone (Haliotis discus hannai Ino, 1953) marketed in South Korea
- Creators
- M V K S Wickramanayake - Chungbuk National UniversityP S Dahanayake - Chungbuk National UniversityS Hossain - Chungbuk National UniversityB C J De Silva - Southern Cross University, Southern Cross Analytical Research ServicesG J Heo (Corresponding Author) - Chungbuk National University
- Publication Details
- Indian Journal of Fisheries, Vol.67(1), pp.105-113
- Publisher
- Indian Council of Agricultural Research
- Identifiers
- 991012900100202368
- Academic Unit
- Southern Cross Analytical Research Services; Faculty of Science and Engineering; School of Environment, Science and Engineering
- Language
- English
- Resource Type
- Journal article