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Haloflavibacter putidus gen. nov., sp. nov., isolated from coastal seawater.
Int J Syst Evol Microbiol ; 70(6): 3740-3748, 2020 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-32441611
ABSTRACT
A Gram-stain-negative, aerobic, gliding, rod-shaped (0.2-0.5×1.0-13.0 µm) and yellow-pigmented bacterium, designated PLHSN227T, was isolated from seawater collected near the coast of Yantai, PR China. PLHSN227T was found to grow at 15-37 °C (optimum, 28-30 °C) and pH 6.0-8.5 (optimum, 6.5-7.5) in the presence of 2-14 % (w/v) NaCl (optimum, 5.0 %). Phylogenetic analysis of the 16S rRNA gene sequences revealed that PLHSN227T represented a member of the family Flavobacteriaceae and exhibited the highest sequence similarity (94.6 %) to the type strain Salegentibacter holothuriorum NBRC 100249T. The chemotaxonomic analysis revealed that the sole respiratory quinone was menaquinone 6 (MK-6) and the major fatty acids included C19  0ω8c cyclo, iso-C15  0, anteiso-C15  0, C18  0 and summed feature 8 (C18  1ω7c and/or C18  1ω6c). The major polar lipids included phosphatidylethanolamine, one unidentified aminolipid and two unidentified lipids. The DNA G+C content of PLHSN227T was 35.6 mol%. PLHSN227T showed the highest average amino acid identity value of 67.2 %, the average nucleotide identity value of 75.6 and 14.5 % digital DNA-DNA hybridization identity with Mesonia algae DSM 15361T. According to the phylogenetic data, PLHSN227T formed a distinct clade in the phylogenetic tree. On the basis of phenotypic, chemotaxonomic and phylogenetic data, it is considered that PLHSN227T represents a novel genus within the family Flavobacteriaceae, for which the name Haloflavibacter putidus gen. nov., sp. nov. is proposed. The type strain is PLHSN227T (=KCTC 72159T=MCCC 1H00371T).

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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Idioma: Inglês Revista: Int J Syst Evol Microbiol Assunto da revista: Microbiologia Ano de publicação: 2020 Tipo de documento: Artigo