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Strain NJ-44T, isolated from sediment of the eutrophic Guanting Reservoir in Beijing (China), was subjected to a taxonomic study using a polyphasic approach. The strain was aerobic, with salmon-pink-pigmented colonies on R2A agar. Cells were single, Gram-negative rods, motile by gliding. Phylogenetic analysis based on the 16S rRNA gene sequence showed that strain NJ-44T belonged to the phylum Bacteroidetes, with Terrimonas ferruginea ATCC 13524T (90.8 % similarity), Terrimonas lutea DYT (90.5 %) and Niabella aurantiaca R2A15-11T (89.1 %) as its closest relatives. Strain NJ-44T was clearly differentiated from members of the genera Terrimonas and Niabella in its DNA G+C content (40.6 mol%) and its major fatty acids, iso-C15 : 1 G, iso-C15 : 0, anteiso-C15 : 0, iso-C16 : 0 3-OH, iso-C17 : 0 3-OH, anteiso-C15 : 1 A and iso-C15 : 0 3-OH. It is proposed that strain NJ-44T represents a novel genus and species, named Sediminibacterium salmoneum gen. nov., sp. nov. The type strain of Sediminibacterium salmoneum is strain NJ-44T (=CGMCC 1.6845T =NBRC 103935T).
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International Journal of Systematic and Evolutionary Microbiology vol. 58 , part 9, pp. 2191 - 2194
Supplementary Fig. S1. Maximum-parsimony and minimum-evolution phylogenetic trees based on 16S rRNA gene sequences. [PDF](20 KB)