1887

Abstract

A bright-yellow, Gram-stain-negative, rod-shaped, gliding and aerobic bacterium, designated strain AQ6-291, was isolated from the Fildes Peninsula, Antarctica, and its taxonomic position was investigated by genotypic, phenotypic and chemotaxonomic analyses. Growth occurred at 4–28 °C (optimum 20 °C) and at pH 5.0–8.0 (optimum pH 7.0). Strain AQ6-291 contained iso-C G, iso-C, Cω5, iso-C 3-OH and summed feature 3 (comprising Cω7 and/or Cω6) as the major cellular fatty acids. The main polar lipids were phosphatidylethanolamine, unknown aminophospholipids, unknown phospholipids, five unknown aminolipids and two unknown polar lipids. MK-7 was the major respiratory quinone. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain AQ6-291 belonged to the genus . The DNA G+C content was 48.1 mol%. On the basis of phenotypic, chemotaxonomic and phylogenetic data, strain AQ6-291 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is AQ6-291 (=CCTCC AB 2016109=KCTC 52491).

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2017-07-01
2020-01-28
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