Arthrobacter paludis sp. nov., isolated from a marsh.

Int J Syst Evol Microbiol 2018 Jan 3;68(1):47-51. Epub 2017 Nov 3.

Department of Microbiology, Chung-Ang University College of Medicine, Seoul 06974, Republic of Korea.

A novel Gram-stain-positive, strictly aerobic, non-endospore-forming bacterium, designated CAU 9143, was isolated from a hydric soil sample collected from Seogmo Island in the Republic of Korea. Strain CAU 9143 grew optimally at 30 °C, at pH 7.0 and in the presence of 1 % (w/v) NaCl. The phylogenetic trees based on 16S rRNA gene sequences revealed that strain CAU 9143 belonged to the genus Arthrobacter and was closely related to Arthrobacter ginkgonis SYP-A7299 (97.1 % similarity). Strain CAU 9143 contained menaquinone MK-9 (H2) as the major respiratory quinone and diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol, two glycolipids and two unidentified phospholipids as the major polar lipids. The whole-cell sugars were glucose and galactose. The peptidoglycan type was A4a (l-Lys-D-Glu2) and the major cellular fatty acid was anteiso-C15 : 0. The DNA G+C content was 64.4 mol% and the level of DNA-DNA relatedness between CAU 9143 and the most closely related strain, A. ginkgonis SYP-A7299, was 22.3 %. Based on phenotypic, chemotaxonomic and genetic data, strain CAU 9143 represents a novel species of the genus Arthrobacter, for which the name Arthrobacterpaludis sp. nov. is proposed. The type strain is CAU 9143 (=KCTC 13958,=CECT 8917).

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http://dx.doi.org/10.1099/ijsem.0.002426DOI Listing
January 2018

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