1887

Abstract

Taxonomic studies were carried out on a carotenoid-producing strain, designated WV39, isolated from the faeces of Antarctic penguins. Cells of strain WV39 were Gram-stain-negative, strictly aerobic, yellow and rod-shaped. 16S rRNA gene sequence analysis revealed that strain WV39 was closely related to JCM 19739 (96.3 % similarity), NBRC 108844 (95.5 %) and LMG 4008 (94.9 %). The predominant cellular fatty acids were iso-C, iso-C 3-OH and summed feature 3 (comprising iso-C 2-OH and/or C 7). Menaquinone-6 was the sole quinone identified, and the major pigment was zeaxanthin. The major polar lipid was phosphatidylethanolamine. DNA–DNA relatedness of strain WV39 with respect to its closest phylogenetic neighbours was 41.8 % for JCM 19739, 25.5 % for LMG 4008 and 25.2 % for NBRC 108844. The DNA G+C content of strain WV39 was 39.8 mol%. Based on the phenotypic, chemotaxonomic and phylogenetic data, strain WV39 is concluded to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is WV39 (=KCTC 42908=CECT 9085).

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2018-03-01
2024-03-28
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