Article ID Journal Published Year Pages File Type
2063822 Systematic and Applied Microbiology 2012 6 Pages PDF
Abstract

A Gram-reaction-negative bacterium, strain IMMIB L-12475T, was isolated from blood cultures of a human with septicaemia. The yellowish orange pigmented strain contained flexirubin pigment. Phylogenetic analysis based on 16S rRNA gene sequence revealed that strain IMMIB L-12475T belonged to the family Flavobacteriaceae, forming a distinct phyletic line that is distantly related (79.1–89.4% sequence similarity) to described genera of this family. Membership to the family was confirmed by a fatty acid profile consisting of branched-chain and 3-hydroxy fatty acids with major amounts of iso-C17:0 3-OH and iso-C15:0, by the presence of menaquinone MK-6 as the only respiratory quinone and a polyamine pattern that contained sym-homospermidine as major component. The phospholipids consisted of phosphatidylethanolamine and an unknown phospholipid. The genomic DNA mol% G+C content was 45.6%. The distant phylogenetic position as compared to other representative of the family and the significant phenotypic properties such as pigment composition, morphology, and physiology support the proposal of a novel genus and species Cruoricaptor ignavus gen. nov., sp. nov. The type strain is IMMIB L-12475T (=DSM 25479T = CCUG 62025T).

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