1887

Abstract

Two Gram-negative, rod-shaped, non-motile bacterial strains, MSS-170 and MSS-171, were isolated from sea water of a marine solar saltern of the Yellow Sea, Korea, and characterized by using a polyphasic taxonomic approach. The two isolates grew optimally at 30 °C and in the presence of 2 % (w/v) NaCl. They were characterized chemotaxonomically as having MK-7 as the predominant menaquinone and major amounts of fatty acids iso-C and C 7 and/or iso-C 2-OH. The DNA G+C content of each of the two strains was 42 mol%. Phylogenetic analyses based on 16S rRNA gene sequences showed that the two strains fall within the evolutionary radiation enclosed by the genus . Strains MSS-170 and MSS-171 had identical 16S rRNA gene sequences and exhibited a mean DNA–DNA relatedness level of 93 %. The two strains exhibited 16S rRNA gene sequence similarity levels of 96·4–98·9 % with respect to the type strains of recognized species. DNA–DNA relatedness levels between the two strains and the type strains of six species were less than 35 %. On the basis of phenotypic data and phylogenetic and genetic distinctiveness, strains MSS-170 and MSS-171 were classified in the genus as members of a novel species, for which the name sp. nov. is proposed. The type strain is MSS-170 (=KCTC 12310=JCM 12597).

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2005-07-01
2020-01-25
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