Shewanella irciniae sp nov., a novel member of the family Shewanellaceae, isolated from the marine sponge Ircinia dendroides in the Bay of Villefranche, Mediterranean Sea - Archive ouverte HAL Access content directly
Journal Articles International Journal of Systematic and Evolutionary Microbiology Year : 2006

Shewanella irciniae sp nov., a novel member of the family Shewanellaceae, isolated from the marine sponge Ircinia dendroides in the Bay of Villefranche, Mediterranean Sea

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On On Lee
  • Function : Author
Stanley C. K. Lau
  • Function : Author
Mandy M. Y. Tsoi
  • Function : Author
Xiancui Li
  • Function : Author
Ioulia Plakhotnikova
  • Function : Author
Madeline C. S. Wu
  • Function : Author
Po-Keung Wong
  • Function : Author
Pei-Yuan Qian
  • Function : Author

Abstract

Strain UST040317-058(T), comprising non-pigmented, rod-shaped, facultatively anaerobic, Gram-negative cells that are motile by means of single polar flagella, was isolated from the surface of a marine sponge (Ircinia dendroides) collected from the Mediterranean Sea. Comparative 16S rRNA gene sequence-based phylogenetic analysis placed the strain in a separate cluster with the recognized bacterium Shewanella algae IAM 14159(T), with which it showed a sequence similarity of 95(.)0%. The sequence similarity between strain UST040317-058T and its other (six) closest relatives ranged from 91(.)6 to 93(.)8%. Strain UST040317-058(T) showed oxidase, catalase and gelatinase activities. The typical respiratory quinones for shewanellas, menaquinone MK-7 and ubiquinones Q-7 and Q-8, were also detected. The predominant fatty acids in strain UST04031-058(T) were i15:0, 16:0, 17:1 omega 8c and summed feature 3 (comprising i15:02-OH and/or 16:1 omega 7c), altogether representing 56-9% of the total. The DNA G+C content was 39(.)9 mol%. The strain could be differentiated from other Shewanella species by its inability to reduce nitrate or produce H2S and by 10-22 additional phenotypic characteristics. On the basis of the phylogenetic and phenotypic data presented in this study, strain UST040317-058(T) represents a novel species in the genus Shewanella, for which the name Shewanella irciniae sp. nov. is proposed. The type strain is UST040317-058(T) (=JCM 13528(T) =NRRL B-41466(T)).

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hal-03494170 , version 1 (18-12-2021)

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On On Lee, Stanley C. K. Lau, Mandy M. Y. Tsoi, Xiancui Li, Ioulia Plakhotnikova, et al.. Shewanella irciniae sp nov., a novel member of the family Shewanellaceae, isolated from the marine sponge Ircinia dendroides in the Bay of Villefranche, Mediterranean Sea. International Journal of Systematic and Evolutionary Microbiology, 2006, 56 (12), pp.2871-2877. ⟨10.1099/ijs.0.64562-0⟩. ⟨hal-03494170⟩
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