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Int J Syst Evol Microbiol 59 (2009), 724-728; DOI  10.1099/ijs.0.004119-0
© 2009 International Union of Microbiological Societies

Aequorivita capsosiphonis sp. nov., isolated from the green alga Capsosiphon fulvescens, and emended description of the genus Aequorivita

Seong Chan Park1, Keun Sik Baik1, Mi Sun Kim1, Seon Suk Kim1, Seok Ryel Kim2, Myung-Joo Oh2, Duwoon Kim2, Byung-Ho Bang3 and Chi Nam Seong1

1 Department of Biological Sciences, College of Life Sciences and Natural Resources, Sunchon National University, Suncheon 540-742, Republic of Korea
2 Division of Food Science and Aqualife Medicine, Chonnam National University, Yeosu 550-749, Republic of Korea
3 Division of Food Sciences, College of Health Industry, Eulji University, Seongnam 461-713, Republic of Korea

Correspondence
Chi Nam Seong
scnu{at}scnu.ac.kr

A marine bacterial strain, designated A71T, was isolated from marine algae collected from the South Sea, Republic of Korea. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain A71T belonged to the family Flavobacteriaceae and was closely related to Aequorivita antarctica SW49T (96.5 % sequence similarity). Cells of strain A71T were Gram-negative, aerobic, oxidase-negative, catalase-positive, yellow/orange-pigmented and non-motile. The major fatty acids were iso-C15 : 0 (20.6 %), iso-C17 : 1{omega}9c (13.3 %), anteiso-C15 : 0 (13.1 %), iso-C17 : 0 3-OH (12.7 %) and summed feature 3 (comprising iso-C15 : 0 2-OH and/or C16 : 1{omega}7c; 6.6 %). The DNA G+C content was 36.9 mol%. Several phenotypic characteristics served to differentiate the isolate from recognized members of the genus Aequorivita. Data from this polyphasic study clearly demonstrated that strain A71T represents a novel species of the genus Aequorivita. The name Aequorivita capsosiphonis sp. nov. is proposed, with strain A71T (=KCTC 22183T =JCM 15070T) as the type strain. In addition, an emended description of the genus Aequorivita is presented.

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain A71T is EU290153.

Scanning electron and phase-contrast micrographs of cells of strain A71T are available in a supplementary figure with the online version of this paper.






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