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Vibrio gigantis sp. nov., isolated from the haemolymph of cultured oysters (Crassostrea gigas)
Le Roux, F.; Goubet, A.; Thompson, F.L.; Faury, N.; Gay, M.; Swings, J.; Saulnier, D. (2005). Vibrio gigantis sp. nov., isolated from the haemolymph of cultured oysters (Crassostrea gigas). Int. J. Syst. Evol. Microbiol. 55: 2251-2255.
In: International Journal of Systematic and Evolutionary Microbiology. Society for General Microbiology: Reading. ISSN 1466-5026, more
Peer reviewed article  

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Authors  Top 
  • Le Roux, F.
  • Goubet, A.
  • Thompson, F.L.
  • Faury, N.
  • Gay, M.
  • Swings, J., more
  • Saulnier, D.

    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 σ70 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 β-galactosidase activities, NO2 production, growth at 35 °C, and utilization of sucrose, melibiose, amygdalin, glycerol, galactose, starch and glycogen. The type strain is LGP 13T (=LMG 22741T=CIP 108656T).

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