1887

Abstract

A bacterial strain, SPC26, was isolated from a sediment sample of the Southern Ocean off Antarctica. The strain was Gram-staining- and catalase-positive and contained lysine and alanine in the cell-wall peptidoglycan. The major cellular fatty acids were anteiso-C (54.92 %), iso-C (11.47 %), anteiso-C (6.48 %) and anteiso-C (6.38 %) and the major menaquinones were MK-8, MK-9 and MK-10. The major polar lipids were phosphatidylethanolamine and diphosphatidylglycerol. The G+C content was 68±0.5 mol%. Based on 16S rRNA gene sequence similarities, the nearest phylogenetic neighbours of strain SPC26 were identified as Lz1y (98.8 %), DSM 20167 (98.6 %), DSM 15454 (97.9 %) and KGN15 (97.5). With these strains, strain SPC26 exhibited DNA–DNA relatedness values of 36, 21, 12 and 10 %, respectively. Therefore, on the basis of 16S rRNA gene sequence comparisons, phylogenetic analysis, phenotypic characteristics and DNA–DNA relatedness, it is proposed that strain SPC26 represents a novel species of , for which the name sp. nov. is proposed, with strain SPC26 (=LMG 24542 =NCCB 100228) as the type strain.

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2010-10-01
2024-10-16
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