1887

Abstract

Five strains belonging to the family were isolated from marine-sediment samples collected in Sagami and Tokyo bays on the Pacific coastline of Japan. The five isolates formed a coherent and novel genus-level lineage within the family . The most closely related species with a validly published name was . The five isolates were rod-shaped, Gram-negative, aerobic, catalase- and oxidase-positive, flexirubin-negative and yellow-pigmented. The dominant fatty acids were branched or hydroxy acids, i.e. i-C, i-C and i-C 3-OH. These strains degraded gelatin, casein, DNA and Tween 80. The G+C content of their DNAs ranged between 33 and 39 mol%. Although analysis of the 16S rRNA gene sequence similarity divided these strains into two subgroups with a 2·3 % sequence difference, the results of DNA–DNA hybridization indicated the grouping of these strains into three distinct species. On the basis of phenotypic and genotypic analyses, the novel genus is proposed, with sp. nov., containing three of the strains, as the type species. The type strain is Cos-13 (=NBRC 100811=CIP 108744). The names sp. nov. (type strain PMA-26=NBRC 100814=CIP 108743) and sp. nov. (type strain MSKK-32=NBRC 100817=CIP 108745) are proposed for the other two isolates.

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2006-02-01
2019-12-11
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