the National Basic Research Program of China (Grant No. 2001CB108904)
Azospirillum brasilense is a diazotroph associated with many important agricultural crops and shows potential as a biofertilizer. NifA, the transcriptional activator of nitrogen fixation (nif) genes, and GlnB, one of ...
This work was supported by the National Basic Research Program of China(Grant No.2001CB108904);the Hi-Tech Research and Development Program of China(Grant No.2001AA214021).