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Int J Syst Evol Microbiol 57 (2007), 2926-2931; DOI  10.1099/ijs.0.65257-0
© 2007 International Union of Microbiological Societies

Shewanella haliotis sp. nov., isolated from the gut microflora of abalone, Haliotis discus hannai

Duwoon Kim1, Keun Sik Baik2, Mi Sun Kim2, Bok-Mi Jung1, Tai-Sun Shin1, Gyu-Hwa Chung3, Moon Soo Rhee4 and Chi Nam Seong2

1 Division of Food Science and Aqualife Medicine, Chonnam National University, Yeosu 550-749, Republic of Korea
2 Department of Biology, College of Natural Sciences, Sunchon National University, Suncheon 540-742, Republic of Korea
3 Department of Biotechnology, Chonnam National University, Yeosu 550-749, Republic of Korea
4 Korean Collection for Type Cultures, Korea Research Institute of Bioscience and Biotechnology, Daejeon 305-600, Republic of Korea

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

A motile, rod-shaped, pink–orange pigmented bacterium, designated strain DW01T, was isolated from the gut microflora of abalone collected from the South Sea (Republic of Korea). Cells were Gram-negative, facultatively anaerobic, catalase- and oxidase-positive. The major fatty acids were iso-C15 : 0 (17.7 %), C16 : 0 (13.4 %), iso-C15 : 0 2-OH and/or C16 : 1{omega}7c (12.5 %) and C17 : 1{omega}8c (10.7 %). The DNA G+C content was 53.7 mol%. A phylogenetic tree based on the 16S rRNA gene sequences showed that strain DW01T forms a lineage of the genus Shewanella and is closely related to Shewanella algae ATCC 51192T (98.3 % sequence similarity) and to other members of the genus Shewanella (91.0–94.9 %). The phenotypic characteristics and DNA–DNA hybridization relatedness data indicate that strain DW01T should be distinguished from S. algae ATCC 51192T. On the basis of the data presented in this study, strain DW01T represents a novel species, for which the name Shewanella haliotis sp. nov. is proposed. The type strain is DW01T (=KCTC 12896T=JCM 14758T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain DW01T is EF178282.






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