1887

Abstract

A novel bacterium, designated strain C3-17, was isolated from a natural cave in Jeju, Republic of Korea. Cells of the organism were Gram-stain-negative, strictly aerobic, non-sporulating, non-motile rods. The polar lipids present were phosphatidylethanolamine, phosphatidylglycerol, two unidentified aminophospholipids, an unidentified aminolipid and an unidentified lipid. The sole isoprenoid quinone was Q-8. The predominant fatty acids were C16 : 0 and summed feature 3, and the DNA G+C content was 54.5 mol%. A phylogenetic tree based on 16S rRNA gene sequences showed that strain C3-17 belonged to the family Oxalobacteraceae and was most closely related to the type strains of the genus Collimonas . 16S rRNA gene sequence similarities between the novel isolate and the closest neighbours, Collimonas pratensis Ter91, Collimonas fungivorans Ter6 and Collimonas arenae NCCB 100031 were 98.7, 98.5 and 98.1 %, respectively. On the basis of data obtained by polyphasic analyses and DNA–DNA hybridization, strain C3-17 (=KACC 19055=DSM 104040) represents a novel species of the genus Collimonas , for which the name Collimonasantrihumi sp. nov. is proposed.

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2018-06-15
2019-08-19
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