1887

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Volume 66, Issue 12

sp. nov., isolated from tundra soil Free

Abstract

The novel, pale yellow bacterial strain, designated S14-88, was isolated from a tundra soil near Antarctic Peninsula, South Shetland Islands, and its taxonomic position was investigated by a genotypic and phenotypic analysis. Cells were facultatively anaerobic, Gram-stain-negative, non-motile and rod-shaped. Growth occurred at 4–28 °C (optimum at 15 °C), at pH 7.0–8.0 (optimum at 7.0) and with 0–0.6 % (w/v) NaCl (optimum, no NaCl). Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain S14-88 formed a lineage within the genus . The 16S rRNA gene sequence similarity between strain S14-88 and the type strains of related species ranged from 92.2 to 96.5 %, and the 16S rRNA gene sequence of S14-88 showed highest similarity of 96.5 % to HME6664. The major cellular fatty acids of strain S14-88 were iso-C and summed feature 3 (C 7 and/or C 6). The major respiratory quinone was menaquinone MK-7, and the main polar lipid was phosphatidylethanolamine. The DNA G+C content of strain S14-88 was 42.3 mol%. On the basis of the evidence presented in this study, strain S14-88 is considered to represent a novel species of the genus for which the name sp. nov. is proposed. The type strain is S14-88 (=CCTCC AB 2015321=KCTC 52232).

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  • Accepted:
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Keyword(s): antarctic , Mucilaginibacter , novel species and polyphasic taxonomy
© 2016 IUMS
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2016-12-01
2024-04-18
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Mucilaginibacter antarcticus sp. nov., isolated from tundra soil
Int J Syst Evol Microbiol 66, 5140 (2016); https://doi.org/10.1099/ijsem.0.001486
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