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Characterization of Vibrio vulnificus isolated from retail cockle and shrimp by plasmid profiling and antibiotic susceptibility test


Citation

Radu, Son and Tengku Ahmad, Tengku Ahbrizal Farizal and Abd Mutalib, Sahilah (2002) Characterization of Vibrio vulnificus isolated from retail cockle and shrimp by plasmid profiling and antibiotic susceptibility test. Journal of Tropical Agriculture and Food Science, 30 (1). pp. 31-37. ISSN 1394-9829; ESSN: 2289-9650

Abstract / Synopsis

Of the 148 cockle (Anadara granosa) and 433 shrimp (Paneus indicus) samples examined, 27% and 6.9% were positive for Vibrio vulnificus, respectively. Twenty-nine and 21 isolates from cockles and shrimps were examined for their antibiotic resistance. All isolates showed resistance to one or more of the antibiotics tested. In transconjugation tests, no relationship was found between the high molecular weight plasmid (35.8 MDa) detected in several isolates and their resistance phenotypes, indicating that their antibiotic resistance is chromosomal. Plasmid profiles and antibiotic resistance patterns were used as a preliminary approach to type, at strain level, the isolates from cockles and shrimps. Analysis by antibiotic resistance patterns showed a high phenotypic polymorphism. However, the high number of isolates devoid of plasmid rendered this technique less useful. These results indicate that multiresistant V. vulnificus isolates exhibiting genotypic or phenotypic variations are easily recovered from cockles and shrimps in the study area, posing a potential public health risk.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Food Science and Biotechnology
Publisher: Malaysian Agricultural Research and Development Institute (MARDI)
Keywords: Vibrio vulnificus; Shrimp; Cockle; Antibiotic resistance; Plasmid
Depositing User: Nabilah Mustapa
Date Deposited: 29 Dec 2016 17:58
Last Modified: 29 Dec 2016 17:58
URI: http://psasir.upm.edu.my/id/eprint/48927
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