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

Type Article
Date 2005-06
Language English
Author(s) Le Roux Frederique1, Goubet A1, Thompson F2, Faury Nicole1, Gay Melanie1, Swings J2, Saulnier Denis1
Affiliation(s) 1 : IFREMER, Lab Genet & Pathol, F-17390 La Tremblade, France.
2 : State Univ Ghent, Lab Microbiol & BCCM, LMG Bacteria Collect, Microbiol Lab, B-9000 Ghent, Belgium.
Source International journal of systematic and evolutionary microbiology (1466-5026) (Society for General Microbiology), 2005-06 , Vol. 55 , N. 6 , P. 2251-2255
DOI 10.1099/ijs.0.63666-0
WOS© Times Cited 58
Keyword(s) Vibrio gigantis, Haemoplymph, Disease, Crassostrea gigas, Oyster culture
Abstract Polyphasic analysis of four 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. Phylogenetic analysis based on DNA gyrase subunit B (gyrB), RNA polymerase Quo factor (rpoD), replication origin-binding protein (rctB) and transmembrane regulatory protein (toxR) genes, fluorescent amplified fragment length polymorphism 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 that these new isolates should be accommodated in a novel species, Vibrio gigantis sp. nov. Phenotypic features that differentiate V. gigantis from other known Vibrio species include arginine dihydrolase, gelatinase and beta-galactosidase activities, NO2 production, growth at 35 degrees C, and utilization of sucrose, melibiose, amygdalin, glycerol, galactose, starch and glycogen. The type strain is LGP 13(T) (=LMG 22741(T)=CIP 108656(T)).
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Le Roux Frederique, Goubet A, Thompson F, Faury Nicole, Gay Melanie, Swings J, Saulnier Denis (2005). Vibrio gigantis sp nov., isolated from the haemolymph of cultured oysters (Crassostrea gigas). International journal of systematic and evolutionary microbiology, 55(6), 2251-2255. Publisher's official version : , Open Access version :