
Knoellia sinensis

Knoellia sinensis is a species of Gram positive, nonmotile, non-sporeforming bacteria. The bacteria are aerobic and mesophilic, and the cells can be irregular rods or coccoid. It was originally isolated from an air sample from cave soil from Reed Flute Cave in Guilin, China. "K. sinensis" was discovered along with "K. subterranea. The species name is derived from Latin "sinensis" (of China). "K. sinensis" is the type strain of the genus "Knoellia".
The optimum growth temperature for "K. sinensis" is 28 °C, and cannot grow at temperatures of 37 °C or above. The optimum pH is 5.0-9.0.