Vibrio ulleungensis sp. nov., isolated from Mytilus coruscus

Author:

Moon Yea-Lin1,Park Jin-Sook1ORCID

Affiliation:

1. Department of Biological Sciences and Biotechnology, Hannam University Jeonmin-dong, Yuseong-gu, Daejeon 34430, Republic of Korea

Abstract

A Gram-stain-negative, rod-shaped, motile via polar flagellum, facultatively aerobic, light-yellow, bacterium (designated 188UL20-2T) was isolated from a mussel sample of Mytilus coruscus collected on Ulleung Island, Ulleung-gun, Gyeongsangbuk-do, Republic of Korea. On the basis of 16S rRNA gene sequencing results, strain 188UL20-2T clustered with species of the genus Vibrio and appeared closely related to Vibrio marisflavi DSM 23086T (96.59%), Vibrio variabilis DSM 26147T (96.57%), Vibrio penaeicida DSM 14398T (96.37%) and Vibrio litoralis DSM 17657T (95.97%). The average nucleotide identity and digital DNA–DNA hybridization values between strain 188UL20-2T and its closest related strain were 71.3 and 16.4%, indicating that 188UL20-2T represents a novel species of the genus Vibrio . Growth occurred at 18–37 °C on MA medium in the presence of 1–4% NaCl (w/v) and at pH 5.0–10.0. The DNA G+C content of the genomic DNA was 45.4 mol%, and ubiquinone-8 (Q-8) was the major respiratory quinone. The major cellular fatty acids (>5%) were C16:1 ω6c and/or C16:1 ω7c (summed feature 3), C18:1 ω7c and/or C18:1 ω6c (summed feature 8), C16:0, C16:0 iso, C14:0, C14:0 iso and C12:0. The polar lipids consisted of phosphatidylglycerol, phosphatidylethanolamine, two unidentified phospholipids, unidentified aminophospholipid, unidentified glycolipid and seven unidentified lipids. Physiological and biochemical characteristics indicated that strain 188UL20-2T represents a novel species of the genus Vibrio , for which the name Vibrio ulleungensis sp. nov. is proposed. The type strain is 188UL20-2T (=KACC 22258T=LMG 32202T).

Funder

National Marine Biodiversity Institute of Korea

National Research Foundation of Korea

Publisher

Microbiology Society

Subject

General Medicine,Ecology, Evolution, Behavior and Systematics,Microbiology

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