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A Gram-negative, aerobic, neutrophilic, rod-shaped bacterium, designated strain CN85T, was isolated from a sediment sample collected from the East China Sea and was subjected to a polyphasic taxonomic characterization. This isolate grew in the presence of 0.5–6.0 % (w/v) NaCl and at 20–40 °C; optimum growth was observed with 3 % (w/v) NaCl and at 35 °C. Chemotaxonomic analysis showed that Q-8 was the predominant respiratory quinone and that iso-C15 : 0, iso-C11 : 0 3-OH, iso-C17 : 1 ω9c, iso-C17 : 0, iso-C11 : 0 and C16 : 0 were the major fatty acids. The G+C content of the genomic DNA was 57.8 mol%. On the basis of 16S rRNA gene sequence analysis, the isolate was affiliated to the genus Microbulbifer. Strain CN85T exhibited most phylogenetic affinity with respect to the type strain of Microbulbifer maritimus (97.0 % sequence similarity) and showed less than 97 % sequence similarity with respect to other described Microbulbifer species with known 16S rRNA gene sequences. The DNA–DNA hybridization between strain CN85T and M. maritimus JCM 12187T was 44 %. On the basis of phenotypic and genotypic data, strain CN85T represents a novel species of the genus Microbulbifer, for which the name Microbulbifer donghaiensis sp. nov. is proposed. The type strain is CN85T (=CGMCC 1.7063T =JCM 15145T).
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International Journal of Systematic and Evolutionary Microbiology vol. 59 , part 3, pp. 545 - 549
Supplementary Table S1. Fatty acid compositions (%) of strain CN85 Tand the type strains of related Microbulbifer species
Supplementary Table S2. Phenotypic characteristics that serve to differentiate strain CN85 Tfrom M. maritimus JCM 12187 T
[PDF file of Supplementary Tables S1 and S2](41 KB)