Title Rapid Identification of Coagulase Negative Staphylococcus Isolates from Mastitic Milk by RFLP Analysis of PCR-Amplified groEL Gene (HSP60)
Authors Safiye Elif KORCAN, Beytullah KENAR, Sevim Feyza ERDOĞMUŞ
Abstract The aim of this study was to evaluate of reliability the technique of restriction fragment length polymorphism (RFLP-PCR) of groEL gene for Coagulase Negative Staphlococcus (CNS) of animal origin. For this reason, 47 CNS species were identified by the API Staph test kit. Genotypic characterization, based on RFLP-PCR of the groEL gene, was performed on 20 CNS isolates. The most commonly identified CNS species were Staphylococcus epidermidis 21(44,7%) and Staphylococcus haemolyticus 11 (23,4%) followed by Staphylococcus xylosus 7 (14,9%). Acording to PCR-RFLP profiles, 5 different species were identified: Staphylococcus cohnii, Staphylococcus epidermidis, Staphylococcus haemolyticus, Staphylococcus hyicus and Staphylococcus xylosus. In conclusion, PCR-RFLP of the groEL gene is a potentially precius assay for accurate molecular identification of CNS species. Most of the commercial identification sistems are not disigned to identify veterinary pathogen. This method must be developed for CNS of animal origin.
Keywords Coagulase Negative Staphlococcus (CNS), groEL gene, PCR-RFLP, bovine subclinic mastitis.
Journal BIBAD - Research Journal of Biological Sciences
Issue Issue 1
Page 001-004
Year 2015
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