Rev. biol. mar. oceanogr. 47(2): 367-371Nota Científica
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Diversity of culturable marine bacteria on the coastline of the central area of San Jorge Gulf, Argentina |
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Graciela N. Pucci1, Adrián J. Acuña1, Natalia L. Tonin1, María C. Tiedemann1 & Oscar H. Pucci1 |
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1Centro de Estudios e Investigación en Microbiología Aplicada (CEIMA), Facultad de Ciencias Naturales, Universidad Nacional de la Patagonia San Juan Bosco, Ruta Provincial Nº1 4 km. Comodoro Rivadavia (CP 9000), Chubut, Argentina
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This study aims to isolate and identify culturable marine bacteria from 4 locations in the San Jorge Gulf. A total of 1,532 strains were isolated using oligotrophic, heterotrophic and hydrocarbon- degrading bacteria media, and identified with reference to bacterial fatty acid methyl ester (FAME) profiles. Gram-negative bacteria were the most abundant, Pseudoalteromonas comprised 17% of the isolated bacteria, followed by Pseudomonas, with 11.14%. The Gram-positive bacteria genera identified were Staphylococcus, Bacillus and Micrococcus. In addition, those bacteria able to degrade hydrocarbons were: Arthrobacter, Dietzia, Acinetobacter, Microbacterium, Micrococcus, Bacillus, Pseudomonas and Pseudoalteromonas.
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Key words: Marine bacterial diversity, fatty acids, sediments, San Jorge Gulf |
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