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Abstract

A Gram-stain-negative, non-motile, rod-shaped bacterium, designated JN33, was isolated from seawater collected from the western Pacific Ocean. Strain JN33 was positive for hydrolysis of aesculin and gelatin. On the basis of 16S rRNA gene sequence analysis, strain JN33 showed high 16S rRNA gene sequence similarity to 22II-S11-z10 (97.3 %), KCTC 23349 (96.6 %) and LS-811 (95.7 %) and exhibited less than 97.0 % 16S rRNA gene sequence similarity with respect to the other type strains within the family . Phylogenetic analysis revealed that strain JN33 fell within the cluster of the genus . The average nucleotide identity and DNA–DNA hybridization values between strain JN33 and the type strains of species were 73.1–73.8 % and 19.8–20.1 %, respectively. The sole respiratory quinone was ubiquinone 10 (Q-10). The principal fatty acids were summed feature 8 (Cω7c and/or Cω6c) and C. The major polar lipids were phosphatidylglycerol, one unidentified phospholipid and two unidentified aminolipids. The DNA G+C content was 57.8 mol%. Distinctly different phylogenetic characteristics, chemotaxonomic differences, as well as phenotypic properties, revealed that strain JN33 could be differentiated from the species with validly published names. Therefore, it is proposed that strain JN33 represents a novel species of the genus , for which the name sp. nov. (type strain, JN33=CGMCC 1.16012=KCTC 52653) is proposed.

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2017-12-01
2024-03-29
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