sp. nov., a nitrogen-fixing species isolated from the rhizosphere soil of a peach tree.

A nitrogen-fixing, endospore-forming, motile, rod-shaped, facultative aerobic bacterium, designated 81-11, was isolated from rhizosphere soil of a peach tree collected from Handan, Hebei, PR China. From the comparison of 16S rRNA gene sequence, the strain is most closely related to DSM 27463 (96.9 %) and DSM 23593 (96.