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    Investigation of "contagious type antibiotic resistance properties" related with r plasmids in escherichia coli strains isolated from İzmit gulfs (Turkey)
    (KAFKAS UNIV, VETERINER FAKULTESI DERGISI, 2011) Vural, Hasibe Cingilli; Akcin, Abdulkadir
    In this study, 8 Escherichia coli strains one of the pollutions of the Gulf were from the twenty-three seawater samples taken from 9 chosen sites in the Gulf of Izmit, and 8 E. coli coliforms which is one of the pollutions of the Gulf, have been studied with respect to their resistance to antibiotics and their carrier properties of Contagious Types Plasmids with "R factor. E. coli samples were isolated and identified by use of classic methods. Sensitivity tests for antibiotics were conducted according to the Kirby-Bauer Disc Diffussion method. The results of E. coli isolates to various antibiotics were as follows; 50% resistance to Tetracyline, 62.5% for Sulbactam/Amphicillin, 62.5% for Penicillin, 50% for Gentamicin, % 12.5 for Amikacin, 37.5% for Chloramphenicol, 25% for Cefoperozone, 37.5% for Kanamycin, and 62.5% for Trimethoprim + Sulphamethoxozale. This study demonstrates the importance of water pollution in the Gulf of Izmit by these pollution indicators, the presence of coliforms. Furthermore, E. coli a water related bacterium, has been proven to be highly resistant to at least 2 antibiotics and to be able to transfer this resistance to R plasmids. In coliform bacteria, presence of high resistance provider R plasmids have been found. This study may effectively help to understandthe resistance models of the E. coli found at the Gulf of Izmit/Turkey.