| Abstract |
A novel Gram-negative, aerobic, motile, short rod-shaped bacterium, designated MS-3(T), was isolated from a crude oil-contaminated seashore in Taean, Korea. Strain MS-3(T) grew at 4-30 °C, at pH 6.0-9.5 and with 0-5 % NaCl and was oxidase- and catalase-positive. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain MS-3(T) was most similar to Pseudomonas marincola KMM 3042(T) (97.9 % 16S rRNA gene sequence similarity), P. cuatrocienegasensis 1N(T) (97.8 %), P. borbori R-20821(T) (97.3 %) and P. lundensis ATCC 49968(T) (97.1 %). Relatively low levels of DNA-DNA relatedness were found between strain MS-3(T) and P. cuatrocienegasensis LMG 24676(T) (57.2 %), P. borbori LMG 23199(T) (39.7 %), P. marincola KMM 3042(T) (32.2 %) and P. lundensis KACC 10832(T) (32.1 %), which support the classification of strain MS-3(T) within a novel species of the genus Pseudomonas. The G+C content of the genomic DNA of strain MS-3(T) was 57.6 mol% and the major isoprenoid quinone was Q-9. Strain MS-3(T) contained summed feature 3 (iso-C(15 : 0) 2-OH and/or C(16 : 1)ω7c; 38.0 %), C(16 : 0) (24.4 %), C(18 : 1)ω7c (12.8 %), C(12 : 0) (9.6 %) and C(10 : 0) 3-OH (4.9 %) as the major cellular fatty acids. On the basis of the phenotypic, genotypic and phylogenetic data, strain MS-3(T) represents a novel species of the genus Pseudomonas, for which the name Pseudomonas taeanensis sp. nov. is proposed. The type strain is MS-3(T) (=KCTC 22612(T) =KACC 14032(T) =JCM 16046(T) =NBRL 105641(T)).
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