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Abstract

A novel pale-pink-coloured strain, designated R9-65, was isolated from a tundra soil near Ny-Ålesund, Svalbard Archipelago, Norway (78° N). The cells were facultatively anaerobic, Gram-staining-negative, non-motile and rod-shaped. Growth occurred at 4–32 °C (optimum, 25–28 °C), at pH 5.0–9.0 (optimum, pH 6.0–7.0) and with 0–1.0 % (w/v) NaCl (optimum, no NaCl). Flexirubin-type pigments were absent. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain R9-65 belonged to the genus in the family . The 16S rRNA gene sequence similarity between strain R9-65 and type strains of related species ranged from 93.4 to 96.6 %. Strain R9-65 contained summed feature 3 (Cω7 and/or Cω6, 34.3 %) and iso-C (20.3 %) as 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 R9-65 was 47.2 mol%. On the basis of phylogenetic, physiological and chemotaxonomic data, strain R9-65 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is R9-65 ( = CCTCC AB 2010331 = NRRL B-59458).

Funding
This study was supported by the:
  • R & D Infrastructure and Facility Development Program from the Ministry of Science and Technology of the People’s Republic of China (Award Grant No.2005DKA21208)
  • State Oceanic Administration, PR China (Award Project No. 10/11YR06)
  • National Basic Research Program of China (973 Program) (Award 2011CB808800)
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2012-07-01
2024-03-29
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