Bacterial community structure associated with white band disease in the elkhorn coral Acropora palmata determined using culture-independent 16S rRNA techniques

Pantos, Olga and Bythell, John C. (2006) Bacterial community structure associated with white band disease in the elkhorn coral Acropora palmata determined using culture-independent 16S rRNA techniques. Diseases of Aquatic Organisms, 69 1: 79-88. doi:10.3354/dao069079

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Author Pantos, Olga
Bythell, John C.
Title Bacterial community structure associated with white band disease in the elkhorn coral Acropora palmata determined using culture-independent 16S rRNA techniques
Journal name Diseases of Aquatic Organisms   Check publisher's open access policy
ISSN 0177-5103
1616-1580
Publication date 2006
Sub-type Article (original research)
DOI 10.3354/dao069079
Open Access Status File (Publisher version)
Volume 69
Issue 1
Start page 79
End page 88
Total pages 10
Editor Otto Kinne
Place of publication Oldendorf Luhe
Publisher Inter-Research
Collection year 2006
Language eng
Subject C1
270307 Microbial Ecology
270504 Invertebrate Biology
780105 Biological sciences
Abstract Culture-independent molecular (16S ribosomal RNA) techniques showed distinct differences in bacterial communities associated with white band disease (WBD) Type I and healthy elkhorn coral Acropora palmata. Differences were apparent at all levels, with a greater diversity present in tissues of diseased colonies. The bacterial community associated with remote, non-diseased coral was distinct from the apparently healthy tissues of infected corals several cm from the disease lesion. This demonstrates a whole-organism effect from what appears to be a localised disease lesion, an effect that has also been recently demonstrated in white plague-like disease in star coral Montastraea annularis. The pattern of bacterial community structure changes was similar to that recently demonstrated for white plague-like disease and black band disease. Some of the changes are likely to be explained by the colonisation of dead and degrading tissues by a micro-heterotroph community adapted to the decomposition of coral tissues. However, specific ribosomal types that are absent from healthy tissues appear consistently in all samples of each of the diseases. These ribotypes are closely related members of a group of alpha-proteobacteria that cause disease, notably juvenile oyster disease, in other marine organisms. It is clearly important that members of this group are isolated for challenge experiments to determine their role in the diseases.
Keyword Molecular
Microbial Ecology
Coral Disease
White Band Disease
Wbd
Fisheries
Veterinary Sciences
Gradient Gel-electrophoresis
Microbial Pathogens
Identification
Reefs
Probiotics
Diversity
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 08:27:31 EST