A light-yellow-coloured bacterium, designated strain 4T-6, was isolated from cotton waste compost in Korea. Cells of the strain were strictly aerobic, Gram-negative, motile (by means of single polar flagella) and rod-shaped. Optimal growth occurred at 30 °C and at pH 7.0–8.0. The major fatty acids were 11-methyl C 7 (23.8 %), C 7 (23.2 %), C (19.8 %) and C (14.8 %). The DNA G+C content was 67.5 mol%. A phylogenetic analysis based on 16S rRNA gene sequences revealed that strain 4T-6 was a member of the genus , showing the highest sequence similarities with those of ‘’ HLK1 (98.8 %) and DSM 14363 (98.4 %). However, the values for DNA–DNA relatedness between strain 4T-6 and ‘’ HLK1 and DSM 14363 were 45 and 43 %, respectively. Phylogenetic characteristics, physiological properties and DNA–DNA hybridization data indicate that strain 4T-6 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is 4T-6 (=KACC 12597=DSM 19425).


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