Journal
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
Volume 63, Issue -, Pages 1411-1416Publisher
MICROBIOLOGY SOC
DOI: 10.1099/ijs.0.043018-0
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- Autonome Provinz Bozen, Sudtirol
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A Gram-staining-negative, pale-pink-pigmented, non-motile, obligately aerobic and rod-shaped bacterium, designated strain W37(T), was isolated from soil and subjected to a taxonomic investigation using a polyphasic approach. The strain grew at 1-30 degrees C, oxidized thiosulfate and accumulated polyhydroxyalkanoates. Photosynthetic pigments were represented by bacteriochlorophyll a and carotenoids. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain W37(T) was most closely related to members of the genera Roseococcus and Rubritepida (with sequence similarities of <92.8 %) but formed a distinct lineage in the family Acetobacteraceae. The polar lipid profile comprised diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, three unidentified aminolipids and one other unidentified lipid. The predominant cellular fatty acids were C-18:1 omega 7c and summed feature 3 (C-16:1 omega 7c and/or iso-C-15:0 2-OH). The DNA G+C content of strain W37(T) was 68.2 mol%. On the basis of phenotypic characteristics and phylogenetic analysis, strain W37(T) represents a novel species of a new genus in the family Acetobacteraceae, for which the name Humitalea rosea gen. nov., sp. nov. is proposed. The type strain of the type species is W37(T) (=CIP 110261(T)=LMG 26243(T)).
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