DIVERSITY AND ANTIBACTERIAL POTENTIAL OF CULTURABLE COASTAL MARINE BACTERIA | Journal of Global ..

The variety and antibacterial activity of culturable bacteria from the Niger Delta's coastal region on Bonny Island were studied. The bacteria were isolated from water, sediment, submerged wood, a boat swab, a periwinkle (Tympanotonus fuscatus) surface, a prawn (Penaeus notialis) surface, a prawn (Penaeus notialis) fluid, a crab (Sesarma huzardi) surface, a crab (Sesarma huzardi) Agar well diffusion was used to test the isolates for antibacterial activity. A molecular approach was used to identify isolates with a high antagonistic potential. Sediment contained the highest bacterial burden. At the site, 124 bacterial isolates from the genera Bacillus, Staphylococcus, Flavobacterium, Pseudomonas, Citrobacter, Enterobacter, Escherichia, Salmonella, Aeromonas, Vibrio, Achromobacter, Erwinia, Acinetobacter, Actinobacillus, Alteromonas, Enterococcus, Serratia, Yersinia, Pleiso The majority of the bacteria recovered from the samples were gramme negative. Sediment had the largest level of generic diversity. Approximately 43% of the isolates had hostile action. There were more antagonistic microorganisms in sediment than in any other sample. The isolates with high antagonistic potential were found to be closely related to Pseudomonas sp. H7, Providencia vermicola strain 6G, Proteus mirabilis strain NM 42-8, Shewanella sp-C16-M, Vibrio parahaemolyticus, Proteus mirabilis RUC 51, Shewanella upenei strain 9.2, Shewanella sp. L-10, Providencia verm The findings demonstrated that bacteria with antibacterial properties against fish and human infections can be found in coastal marine environments.

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