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Int J Syst Evol Microbiol. 2006 Feb;56(Pt 2):365-8.

Thalassomonas loyana sp. nov., a causative agent of the white plague-like disease of corals on the Eilat coral reef.

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  • 1Microbial Resources Division and Brazilian Collection of Environmental and Industrial Micro-organisms (CBMAI), CPQBA, UNICAMP, CP 6171, Brazil. Fabiano.Thompson@terra.com.br

Abstract

The taxonomic position of the coral pathogen strain CBMAI 722T was determined on the basis of molecular and phenotypic data. We clearly show that the novel isolate CBMAI 722 T is a member of the family Colwelliaceae, with Thalassomonas ganghwensis as the nearest neighbour (95 % 16S rRNA gene sequence similarity). CBMAI 722T can be differentiated from its nearest neighbour on the basis of phenotypic and chemotaxonomic features, including the utilization of cellobiose and L-arginine, the production of alginase and amylase, but not oxidase, and the presence of the fatty acids 12:0 3-OH and 14:0, but not 10:0 or 15:0. The DNA G+C content of CBMAI 722T is 39.3 mol%. We conclude that this strain represents a novel species for which we propose the name Thalassomonas loyana sp. nov., with the type strain CBMAI 722T (=LMG 22536T). This is the first report of the involvement of a member of the family Colwelliaceae in coral white plague-like disease.

PMID:
16449441
DOI:
10.1099/ijs.0.63800-0
[PubMed - indexed for MEDLINE]

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