1887

Abstract

Two Gram-positive, endospore-forming, rod-shaped bacterial strains, HG645 and HG711, were respectively isolated from surface water of a brackish lake and sediment of a fishery harbour in Japan and were subsequently characterized taxonomically using a polyphasic approach. Phylogenetic analyses based on 16S rRNA gene sequences showed that strains HG645 and HG711 are affiliated phylogenetically to the genus , and they exhibit sequence similarities of 95.7–97.3 % to the type strains of species. DNA–DNA relatedness between strain HG645 and the type strain of the phylogenetically related species was less than 10 %. The DNA G+C content of strains HG645 and HG711 were respectively 46.0 and 45.2 mol%. Major polar lipids were diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. The cell-wall peptidoglycan type (Lys–Glu), major cellular fatty acids (iso-C and anteiso-C) and quinone type (MK-7) of the isolates support their affiliation to the genus . On the basis of phylogenetic analysis and physiological and chemotaxonomic data, the isolates represent a novel species of the genus for which the name sp. nov. is proposed. The type strain is strain HG645 (=MBIC08270=IAM 15429 =KCTC 13119).

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2007-08-01
2019-10-20
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