Abstract
A Gram-negative, motile and rod-shaped bacterial strain, designated ISL-43T, was isolated from a marine solar saltern of the Yellow Sea, Korea, and its taxonomic position was investigated by means of a polyphasic study. Strain ISL-43T grew optimally at pH 7.0-8.0 and 30 degrees C and in the presence of approximately 2% NaCl. It contained Q-8 as the predominant ubiquinone and C16:0, C19:0omega8c, C16:1omega7c and/or iso-C15:0 2-OH, and C18:1omega7c as the major fatty acids. The DNA G+C content was 58.4 mol%. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain ISL-43T fell within the genus Marinimicrobium, clustering with Marinimicrobium agarilyticum M18T with a bootstrap value of 100%. Strain ISL-43T exhibited 16S rRNA gene sequence similarity values of 98.1 and 95.5% to M. agarilyticum M18T and Marinimicrobium koreense M9T, respectively. Strain ISL-43T exhibited DNA-DNA relatedness values of 17 and 10% to M. agarilyticum KCTC 12357T and M. koreense KCTC 12356T, respectively. On the basis of phenotypic, phylogenetic and genetic data, strain ISL-43T represents a novel species within the genus Marinimicrobium, for which the name Marinimicrobium locisalis sp. nov. is proposed. The type strain is ISL-43T (=KCTC 22484T=CCUG 56757T).
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