期刊
MICROORGANISMS
卷 4, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/microorganisms4030023
关键词
Pseudopterogorgia elisabethae; Antillogorgia elisabethae; bacterial diversity; microbiome; culture-independent; gorgonian; octocoral; Bahamas; pyrosequencing
类别
资金
- Natural Sciences and Engineering Council of Canada
- Canada Research Chair Program
- Atlantic Canada Opportunities Agency
- Canada Foundation for Innovation
- Jeanne and Jean-Louis Levesque Foundation
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 a- and (3-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.
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