1887

Abstract

A novel orange-pigmented strain, designated R2-35, was isolated from a glacier till near Ny-Alesund, Svalbard Archipelago, Norway. The cells were aerobic, Gram-negative, rod-shaped and sometimes filamentous. Growth occurred at 4–28 °C (optimum, 20 °C), at pH 7.0–9.0 (optimum, pH 8.0) and with 0–1 % NaCl. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain R2-35 belonged to the genus with sequence similarity to related species ranging from 91.65 to 95.19 %. Strain R2-35 contained C (10.7 %), C (9.2 %), Cω5 (16.5 %) and summed feature 3 (Cω6 and/or Cω7) (24.6 %) as the major cellular fatty acids, MK-7 as the major respiratory quinone, and phosphatidylethanolamine as the main polar lipid. The DNA G+C content of strain R2-35 was 54.9 mol%. On the basis of phylogenetic, physiological and chemotaxonomic data, strain R2-35 is considered to represent a novel species of the genus , for which the name sp. nov., is proposed, The type strain is R2-35 ( = CCTCC AB 2012849 = LMG 28141).

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2014-07-01
2019-10-19
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