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Updated: Jul 9, 2026

Isolation and Identification of Bacterial Strains from Skin of Terrestrial Amphibians
Published on: June 17, 2025
Shewanella haliotis sp. nov., isolated from the gut microflora of abalone, Haliotis discus hannai
Duwoon Kim1, Keun Sik Baik2, Mi Sun Kim2
1Division of Food Science and Aqualife Medicine, Chonnam National University, Yeosu 550-749, Republic of Korea.
Abstract:
A motile, rod-shaped, pink-orange pigmented bacterium, designated strain DW01(T), 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-C(15 : 0) (17.7 %), C(16 : 0) (13.4 %), iso-C(15 : 0) 2-OH and/or C(16 : 1)omega7c (12.5 %) and C(17 : 1)omega8c (10.7 %). The DNA G+C content was 53.7 mol%. A phylogenetic tree based on the 16S rRNA gene sequences showed that strain DW01(T) forms a lineage of the genus Shewanella and is closely related to Shewanella algae ATCC 51192(T) (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 DW01(T) should be distinguished from S. algae ATCC 51192(T). On the basis of the data presented in this study, strain DW01(T) represents a novel species, for which the name Shewanella haliotis sp. nov. is proposed. The type strain is DW01(T) (=KCTC 12896(T)=JCM 14758(T)).
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