DETECTION OF NATURAL BACTERIAL BIOTA OF EUROPEAN FLAT OYSTER (OSTREA EDULIS, L. 1758) FROM NORTHERN SEA OF MARMARA

Öz

Natural bacterial biota of European flat oyster, 60 individual Ostrea edulis samples collected from the northern coast of the Marmara Sea, for each month from November 2009 to April 2010 were investigated in this study. Sixty oyster were harvested along 500 m of shallow (10-15 m depth) using a mechanical oyster dredge from natural growing areas. Totally 44 bacterial strains were isolated and identified by using conventional bacteriologic methods and API 20E commercial rapid identification kit. On the basis of the above mentioned tests, the isolates were identified as a member of the genera Vibrio, Shewanella and Citrobacter. Shewanella putrefaciens was mostly isolated species. The other isolated bacterial species were Vibrio fluvialis, V. vulnificus, V. alginolyticus and Citrobacter freundii in this study. S. putrefaciens could pose potential health risk and could be transmitted to humans via food consumption or swimming in contaminated water. For these reasons, its isolation from oysters samples is important for human health.

Anahtar Kelimeler

• Avrupa yassı istiridyesi, Ostrea edulis, API 20E

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