Amphritea atlantica gen. nov., sp. nov., a gammaproteobacterium from the Logatchev hydrothermal vent field.

Gärtner, Andrea, Wiese, Jutta and Imhoff, Johannes F. (2008) Amphritea atlantica gen. nov., sp. nov., a gammaproteobacterium from the Logatchev hydrothermal vent field. Open Access International Journal of Systematic and Evolutionary Microbiology, 58 . pp. 34-39. DOI 10.1099/ijs.0.65234-0.

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A novel Gram-negative, motile, aerobic rod-shaped bacterium was isolated from a Bathymodiolus sp. specimen collected from the Logatchev hydrothermal vent field at the Mid-Atlantic Ridge. The novel strain, M41(T), was catalase- and oxidase-positive and metabolised various carbohydrates and amino acids. It grew well in marine broth with an optimal growth temperature of 31 degrees C to 34 degrees C (range 4-40 degrees C and salinity requirement of 3% (range 0.3-9%). The pH range for growth was pH 4.6 to 9.5, with an optimum at pH 8.0. The predominant fatty acids were C-16: (1)omega 7c, C-16: 0 and C-18: 1 omega 7c. The DNA G + C content of strain M41(T) was 52.2 mol%. The 16S rRNA gene sequence was 94 % similar to that of the type strain of Oceanospirillum beijerinckii, the closest cultivated relative. Other related type strains were Oceanospirillum multiglobuliferum (93% gene sequence similarity), Neptunomonas naphthovorans (92%) and Marinobacterium jannaschii (92 %). According to phylogenetic analysis and physiological characteristics, it is suggested that strain M41(T) represents a new genus and novel species for which the name Amphritea atlantica gen. nov., sp. nov. is proposed. The type strain is M41(T) (= DSM 18887(T) = LMG 24143(T)).

Document Type: Article
Additional Information: The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of Amphritea atlantica gen. nov., sp. nov. M41T is AM156910.
Research affiliation: OceanRep > GEOMAR > FB3 Marine Ecology > FB3-MI Marine Microbiology
OceanRep > GEOMAR > Applied R&D > Centre for Marine Substances (KiWiZ)
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1099/ijs.0.65234-0
ISSN: 1466-5026
Projects: KIWIZ
Date Deposited: 03 Dec 2008 16:51
Last Modified: 29 May 2017 11:35

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