Diversity of the bacterial communities associated with the azooxanthellate deep water octocorals Leptogorgia minimata, Iciligorgia schrammi and Swiftia exertia

dc.contributor.authorSantiago-Vázquez, Lory Z.
dc.date.accessioned2020-09-23T18:33:55Z
dc.date.available2020-09-23T18:33:55Z
dc.date.issued2007-10
dc.description.abstractThis study examined the microbiota associated with the marine azooxanthellate octocorals Leptogorgia minimata, Swiftia exertia, and Iciligorgia schrammi collected from moderate depths (45 m). Traditional aerobic plate culture, fluorescence in situ hybridization (FISH), and molecular identification of the 16S rDNA region were used for this purpose. In general, cultures were found to be selective for Gammaproteobacteria, Alphaproteobacteria, and Firmicutes. Interestingly, FISH counts for Firmicutes in the whole coral (holobiont) were near the detection limit of this assay, representing less than 6% of the total detectable microbiota in all counts. Proteobacteria, especially Alpha- and Gammaproteobacteria, made up the majority of the total microbiota in the holobionts. In addition, the absence of zooxanthellae in these three corals was confirmed by the use of polymerase chain reaction (PCR) and dinoflagellate-specific primers, and spectrophotometric chlorophyll pigment measurements. No evidence of zooxanthellae could be found in any of the corals by either of these techniques. This is the first study examining the microbiota marine octocorals, which grow at moderate depth (40 to 100 m) in the absence of direct sunlight.en_US
dc.identifier.citationBrück TB, Brück WM, Santiago-Vázquez LZ, McCarthy P, Kerr RG. Diversity of the bacterial communities associated with the azooxanthellate deep water octocorals Leptogorgia minimata, Iciligorgia schrammi and Swiftia exertia. Marine Biotechnology (2007) 9(5): 561-576.en_US
dc.identifier.urihttps://hdl.handle.net/10657.1/2507
dc.language.isoen_USen_US
dc.publisherMarine Biotechnologyen_US
dc.titleDiversity of the bacterial communities associated with the azooxanthellate deep water octocorals Leptogorgia minimata, Iciligorgia schrammi and Swiftia exertiaen_US
dc.typeArticleen_US

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