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Microorganisms 2016, 4(3), 23; doi:10.3390/microorganisms4030023

Highly Variable Bacterial Communities Associated with the Octocoral Antillogorgia elisabethae

1
Department of Biomedical Sciences, University of Prince Edward Island, Charlottetown, PE C1A 4P3, Canada
2
Department of Chemistry, University of Prince Edward Island, Charlottetown, PE C1A 4P3, Canada
3
Department of Pathology and Microbiology, University of Prince Edward Island, Charlottetown, PE C1A 4P3, Canada
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Johannes F. Imhoff
Received: 7 March 2016 / Revised: 1 June 2016 / Accepted: 23 June 2016 / Published: 5 July 2016
(This article belongs to the Special Issue Diversity and Dynamics of Marine Microbial Communities)
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Abstract

Antillogorgia elisabethae (synonymous with Pseudopterogorgia elisabethae) is a common branching octocoral in Caribbean reef ecosystems. A. elisabethae is a rich source of anti-inflammatory diterpenes, thus this octocoral has been the subject of numerous natural product investigations, yet relatively little is known regarding the composition, diversity and the geographic and temporal stability of its microbiome. To characterize the composition, diversity and stability of bacterial communities of Bahamian A. elisabethae populations, 17 A. elisabethae samples originating from five sites within The Bahamas were characterized by 16S rDNA pyrosequencing. A. elisabethae bacterial communities were less diverse and distinct from those of surrounding seawater samples. Analyses of α- and β-diversity revealed that A. elisabethae bacterial communities were highly variable between A. elisabethae samples from The Bahamas. This contrasts results obtained from a previous study of three specimens collected from Providencia Island, Colombia, which found A. elisabethae bacterial communities to be highly structured. Taxa belonging to the Rhodobacteriales, Rhizobiales, Flavobacteriales and Oceanospiralles were identified as potential members of the A. elisabethae core microbiome. View Full-Text
Keywords: Pseudopterogorgia elisabethae; Antillogorgia elisabethae; bacterial diversity; microbiome; culture-independent; gorgonian; octocoral; Bahamas; pyrosequencing Pseudopterogorgia elisabethae; Antillogorgia elisabethae; bacterial diversity; microbiome; culture-independent; gorgonian; octocoral; Bahamas; pyrosequencing
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Robertson, V.; Haltli, B.; McCauley, E.P.; Overy, D.P.; Kerr, R.G. Highly Variable Bacterial Communities Associated with the Octocoral Antillogorgia elisabethae. Microorganisms 2016, 4, 23.

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