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Abstract
A Gram-negative, non-pigmented, non-motile, chemoheterotrophic marine bacterium, designated strain IMCC2782T, was isolated from a surface seawater sample of the Yellow Sea, Korea. On the basis of 16S rRNA gene sequence analysis and phenotypic and genotypic characterization, strain IMCC2782T is shown to represent a novel species of the genus Litoricola. Strain IMCC2782T grew at 15–37 °C and tolerated 7.5 % NaCl. Based on 16S rRNA gene sequences, strain IMCC2782T was related most closely to the type strain of Litoricola lipolytica (97.1 % similarity) but showed less than 90 % similarity to the type strains of other bacterial species. The predominant fatty acids were mono-unsaturated C18 : 1 and C16 : 1. The G+C content of the DNA of strain IMCC2782T was 59.6 mol%. A low level of DNA–DNA relatedness (28.1 %) together with several phenotypic characteristics, including enzyme activities, served to differentiate strain IMCC2782T from the type strain of L. lipolytica. Therefore, strain IMCC2782T is considered to represent a novel species of the genus Litoricola, for which the name Litoricola marina sp. nov. is proposed. The type strain is IMCC2782T (=KCTC 22683T =NBRC 105824T).
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