LAUSR

A Gram-reaction-positive, non-spore-forming, rod-shaped bacterium, strain C1-50T, was isolated from a natural cave in Jeju, Republic of Korea by using the serial dilution plating method. Results of phylogenetic analysis using 16S rRNA gene sequences showed that strain C1-50T belonged to the family Micrococcaceae but had the highest sequence similarity to Arthrobacter halodurans JSM 078085T (96.18 %) and Arthrobacter globiformis DSM 20124T (96.04 %). The 16S rRNA gene sequence similarities between strain C1-50T and other members of the family were lower than 96.0 %. The cell-wall peptidoglycan type was A3α with an l-Lys-l-Ala2. Whole-cell sugars consisted largely of glucose and galactose. The predominant menaquinone was MK-9(H2) with smaller components of MK-7(H2) and MK-8(H2). The polar lipids consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol and an unidentified glycolipid. The cellular fatty acids consisted of saturated, unsaturated, anteiso-branched and iso-branched components. The G+C content of genomic DNA was 68.8 mol% (draft genome sequence). On the basis of morphological and chemotaxonomic differences and distinct phylogenetic clustering, it was concluded that the organism represents a novel species of a new genus in the family Micrococcaceae, for which the name Specibacter cremeus gen. nov., sp. nov. is proposed. The type strain is C1-50T (=KCTC 39557T=DSM 100066T).