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Abstract

A bacterial strain designated TP462, isolated from a seamount near the Yap Trench in the tropical western Pacific, was characterized using a polyphasic taxonomic approach. Strain TP462 was found to be Gram-stain-negative, aerobic, rod-shaped and motile by means of a single polar flagellum. Growth occurred at 4–37 °C (optimum, 25–30 °C) and with 0–4.0 % NaCl (optimum, 2–3 %). Phylogenetic analysis based on 16S rRNA gene sequence showed that strain TP462 was related to the genus and had the highest 16S rRNA gene sequence similarity with the type strain JA3-B52 (96.8 %). The predominant cellular fatty acids were Cω8, summed feature 3 (composed of iso-C 2-OH and/or Cω7) and C. The polar lipid profile contained phosphatidylglycerol, phosphatidylethanolamine and two unidentified lipids. The genomic DNA G+C content of strain TP462 was 48.7 mol%. On the basis of the evidence presented in this study, strain TP462 represents a novel species of the genus , for which we propose the name sp. nov. (type strain TP462=KACC 18560=CGMCC 1.15399).

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2018-01-01
2024-03-28
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