bacillus qingshengii sp. nov., a rock-weathering bacterium isolated from weathered rock surface. | a novel type of rock-weathering bacterium was isolated from weathered rock (tuff) surface collected from dongxiang (jiangxi, eastern china). cells of strain g19(t) were gram-reaction-positive, rod-shaped, endospore-forming and non-motile. the strain was aerobic, catalase- and oxidase-positive, and grew optimally at 30 °c and ph 7.0. on the basis of 16s rrna gene sequence analysis, strain g19(t) was shown to belong to the genus bacillus and the closest phylogenetic relatives were bacillus aryabha ... | 2014 | 24801156 |