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Int J Syst Evol Microbiol 54 (2004), 2137-2140; DOI  10.1099/ijs.0.63232-0
© 2004 International Union of Microbiological Societies

Vibrio crassostreae sp. nov., isolated from the haemolymph of oysters (Crassostrea gigas)

N. Faury1, D. Saulnier1, F. L. Thompson2, M. Gay1, J. Swings2 and F. Le Roux1

1 Laboratoire de Génétique et Pathologie, Institut français de recherche pour l'exploitation de la mer (Ifremer), 17390 La Tremblade, France
2 Laboratory for Microbiology and BCCMTM/LMG Bacteria Collection, Laboratory for Microbiology, Ghent University, K.L. Ledeganckstraat 35, Ghent 9000, Belgium

Correspondence
F. Le Roux
fleroux{at}ifremer.fr

Polyphasic analysis of five new Vibrio isolates originating from the haemolymph of diseased cultured oysters is described. The new isolates were closely related to Vibrio splendidus, having 98 % 16S rRNA gene sequence similarity. gyrB phylogenetic analysis, fluorescent amplified-fragment length polymorphism (FAFLP) fingerprinting and DNA–DNA hybridization experiments clearly showed that the new isolates form a tight genomic group that is different from the currently known Vibrio species. It is proposed to accommodate these isolates in a novel species, Vibrio crassostreae sp. nov. (type strain LGP 7T=LMG 22240T=CIP 108327T). Phenotypic and chemotaxonomic features that differentiate V. crassostreae from other known Vibrio species include arginine dihydrolase, utilization and fermentation of various carbon sources, {beta}-galactosidase activity, NO2 production and the presence of the fatty acids 14 : 0 iso and 16 : 0 iso.

Abbreviations: FAFLP, fluorescent amplified-fragment length polymorphism

Published online ahead of print on 21 May 2004 as DOI 10.1099/ijs.0.63232-0.

The GenBank/EMBL/DDBJ accession numbers for the 16S rRNA and gyrB gene sequences of LGP 7T are AJ582808 and AJ582799, respectively.

Tables of supplementary DNA–DNA hybridization, phenotypic and fatty acid data are available in IJSEM Online.




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F. L. Roux, A. Goubet, F. L. Thompson, N. Faury, M. Gay, J. Swings, and D. Saulnier
Vibrio gigantis sp. nov., isolated from the haemolymph of cultured oysters (Crassostrea gigas)
Int J Syst Evol Microbiol, November 1, 2005; 55(6): 2251 - 2255.
[Abstract] [Full Text] [PDF]


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