Corynebacterium marinum sp. nov. isolated from coastal sediment
2010
Du, Zong-Jun | Jordan, Elizabeth M. | Rooney, Alejandro P. | Chen, Guan-Jun | Austin, Brian
A taxonomic study was performed on strain D7015T, which was isolated from coastal sediment close to a coal-fired power station in Qingdao, China. Cells of strain D7015T were Gram-positive, non-motile, diphtheroid rods that grew in the presence of 0–8 % (w/v) NaCl and at 4–37 °C, with optimum growth at 1 % (w/v) NaCl and 30–32 °C. The DNA G+C content was 65.0 mol%. The major fatty acids were C18 : 1ω9c (56.18 %), C16 : 0 (38.02 %), C16 : 1ω7c (4.45 %), C18 : 0 (1.0 %) and C14 : 0 (0.35 %). On the basis of morphological, physiological and phylogenetic characteristics, strain D7015T was classified in the genus Corynebacterium. It exhibited a 16S rRNA gene sequence similarity of 95.9 % and a DNA–DNA relatedness value of 20.4 % with Corynebacterium halotolerans DSM 44683T. Strain D7015T was sufficiently different from recognized species of the genus Corynebacterium to be considered to represent a novel species. The name Corynebacterium marinum sp. nov. is proposed, with strain D7015T (=CGMCC 1.6998T=NRRL B-24779T) as the type strain.
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