| description of a gram-negative bacterium, sphingomonas guangdongensis sp. nov. | a gram-stain-negative bacterial strain, designated 9nm-8t, was isolated from an abandoned lead-zinc ore in mei county, meizhou, guangdong province, pr china. the isolate was orange-pigmented, aerobic, oxidase- and catalase-positive, motile with lophotrichous flagella and rod-shaped. strain 9nm-8t grew optimally at ph 7.0 and 30 °c and in the absence of nacl on r2a agar. phylogenetic analysis based on 16s rrna gene sequences showed that strain 9nm-8t belongs to the genus sphingomonas, with highes ... | 2014 | 24523446 |