Supported by the National Basic Research Program of China (Grant No. 2001CB108901);National Natural Science Foundation of China (Grant No. 30170512)
Sinorhizobium meliloti nifA gene is required for the expression of a bunch of nif and fix genes. Here, we report its pleiotropic effects on the nodule formation. Compared with wild type strain, nifA mutant sig- nifica...
This work was supported by the grants from the National Natural Science Foundation of China (No.30170512);the Major State Basic Research Development Program of China (No.2001cb108901)
In prokaryotes,DNA supercoiling regulates the expression of many genes;for example,the expression of Klebsiella pneumoniae nifLA operon depends on DNA negative supercoiling in anaerobically grown cells,which indicates...