1887

Abstract

A Gram-staining-negative, pale-pink-pigmented, non-motile, obligately aerobic and rod-shaped bacterium, designated strain W37, was isolated from soil and subjected to a taxonomic investigation using a polyphasic approach. The strain grew at 1–30 °C, oxidized thiosulfate and accumulated polyhydroxyalkanoates. Photosynthetic pigments were represented by bacteriochlorophyll and carotenoids. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain W37 was most closely related to members of the genera and (with sequence similarities of <92.8 %) but formed a distinct lineage in the family . The polar lipid profile comprised diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, three unidentified aminolipids and one other unidentified lipid. The predominant cellular fatty acids were Cω7 and summed feature 3 (Cω7 and/or iso-C 2-OH). The DNA G+C content of strain W37 was 68.2 mol%. On the basis of phenotypic characteristics and phylogenetic analysis, strain W37 represents a novel species of a new genus in the family , for which the name gen. nov., sp. nov. is proposed. The type strain of the type species is W37 ( = CIP 110261 = LMG 26243).

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2013-04-01
2019-10-15
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