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Polaribacter butkevichii sp. nov., a Novel Marine Mesophilic Bacterium of the Family Flavobacteriaceae


A novel heterotrophic, yellow pigmented, aerobic, Gram-negative, nonmotile, oxidase- and catalase-positive bacterium KMM 3938T was isolated from sea water collected in the Sea of Japan, Russia. The strain grew at mesophilic temperature range, and required the presence of NaCl for growth. 16S rRNA gene sequence analysis revealed that strain KMM 3938T is a member of the family Flavobacteriaceae. The predominant fatty acids were C13:0 iso, C14:0 iso, C15:0 iso, C15:0, C15:1Δ6, 3OH-C15:0:3 iso, and 3OH-C15:0. The G + C content of the DNA of KMM 3938T was 32.4 mol%. On the basis of phenotypic, chemotaxonomic, genotypic, and phylogenetic characteristics, the novel bacterium was assigned to the genus Polaribacter as Polaribacter butkevichii sp. nov. The type strain is KMM 3938T (= KCTC 12100T = CCUG 48005T).

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This research was supported by grants of the Federal Agency for Sciences of the Ministry for Education and Sciences of the Russian Federation no. 2-2.16, Russian Foundation for Basic Research no. 05-04-48211, and Presidium of the Russian Academy of Sciences “Molecular and Cell Biology.” This work was also supported by the Eco-Technopia-21 Project. K.S. Bae acknowledges support from the KRIBB Research Initiative Program.

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Correspondence to Olga I. Nedashkovskaya.

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The GenBank accession number for Polaribacter butkevichii KMM 3938T is AY189722.

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Nedashkovskaya, O.I., Kim, S.B., Lysenko, A.M. et al. Polaribacter butkevichii sp. nov., a Novel Marine Mesophilic Bacterium of the Family Flavobacteriaceae. Curr Microbiol 51, 408–412 (2005).

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  • Acetoin
  • Marine Agar
  • Predominant Fatty Acid
  • KCTC 12100T
  • CCUG 48005T