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Random amplified polymorphic DNA analysis to differentiate strains of Vibrio vulnificus isolated from cockles and
T Ahbrizal1, S Radu, A R Latif
1Department of Biotechnology.
Abstract:
A random amplified polymorphic DNA (RAPD) fingerprinting method has been developed to differentiate Vibrio vulnificus strains isolated. Twenty-nine strains isolated from cockles and twenty-one strains isolated from shrimps were analyzed. A total of 10 primers were screened with Vibrio vulnificus strains to identify those capable of generating DNA polymorphisms and two primers were selected. Primer GEN 1-50-01 and GEN 1-50-08 produced polymorphisms in most strains tested, with the band sizes ranging from 10.0 to 0.25 kb pair. Dendrogram analysis showed that primer GEN 1-50-01 produced 10 clusters and 24 single strains at a 40% similarity, whereas primer GEN 1-50-08 produced 11 clusters and 20 single strains at a 40% similarity. This study revealed the potential use of PCR fingerprinting in epidemiological studies.
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