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1 Swinburne University of Technology, PO Box 218, Hawthorn, Victoria 3122, Australia
2 Pacific Institute of Bioorganic Chemistry of the Far-Eastern Branch of the Russian Academy of Sciences, Pr. 100 Let Vladivostoku 159, Russia
3 Department of Agricultural Science, University of Tasmania, Hobart, Tasmania, Australia
4 UMR6543 CNRS Université de Nice Sophia Antipolis, Centre de Biochimie, Parc Valrose 06108 Nice cedex 2, France
5 Institute of Marine Biology of the Far-Eastern Branch of the Russian Academy of Sciences, 690041 Vladivostok, Russia
6 Institute of Microbiology of the Russian Academy of Sciences, 117811 Moscow, Russia
7 Pacific Oceanological Institute of the Far-Eastern Branch of the Russian Academy of Sciences, Baltiiskaya Str. 43, 690017 Vladivostok, Russia
Correspondence
Elena P. Ivanova
eivanova{at}swin.edu.au
A yellow-pigmented, non-motile, Gram-negative bacterium, designated Fg 69T, was isolated from a sediment sample collected in Chazhma Bay (Sea of Japan). The novel organism grew at 1035 °C, was neutrophilic and required 310 % NaCl for optimal growth. Strain Fg 69T was able to degrade starch and to hydrolyse gelatin and Tween 80 weakly but not casein or agar. Predominant cellular fatty acids comprised n-C15 and n-C16 branched-chain and straight-chain saturated and unsaturated fatty acids, including iso-C15 : 0 (5 %), anteiso-C15 : 0 (11 %), C15 : 0 (9 %), iso-C15 : 1 (5 %), iso-C16 : 0 (8 %), C16 : 0 (5 %) and C16 : 1
7 (5 %) and iso- and anteiso-branched 2-OH and 3-OH C15 : 0 to C17 : 0 fatty acids (26 % in total). The G+C content of the DNA was 40·4 mol%. 16S rRNA gene sequence data indicated that strain Fg 69T belonged to the genus Salegentibacter but was distinct from recognized Salegentibacter species (9495 % sequence similarity). Based on these results, a novel species, Salegentibacter flavus sp. nov., is proposed. The type strain is Fg 69T (=KMM 6000T=CIP 107843T).
The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain Fg 69T is AY682200.
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