Journal
MARINE POLLUTION BULLETIN
Volume 83, Issue 1, Pages 231-240Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2014.03.047
Keywords
Bacterial communities; Oil pollution; 16S rRNA gene; Sediment; PAH degradative potential; ARDRA
Funding
- World Federation of Scientists's
- National Scientific Fund for Science Research [MU-B-1408/04]
- WETLANET [FP7-REG-POT-2008-1]
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Molecular analysis was applied to characterize bacterial community structure in sediment samples collected from pristine site and oil-polluted Black Sea harbor. Amplified Ribosomal DNA Restriction Analysis (ARDRA) revealed a high similarity in the restriction patterns of both samples thus not demonstrating the effect of the pollutant on the structure of the bacterial communities. Constructed 16S rRNA gene libraries gave more detailed assessment of members. Results showed that alpha- and gamma-Proteobacteria were dominant in the oil polluted site, whereas the pristine site was characterized by prevalence of Actinobacteria. The biodegradative potential of the adapted bacterial community in the oil-polluted sediments was demonstrated by the presence of the aromatic ring hydroxylating dioxygenase genes. (C) 2014 Elsevier Ltd. All rights reserved.
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