Article
Bradyrhizobium japonicum has two differentially regulated, functional homologs of the sigma 54 gene (rpoN).
Journal of bacteriology - 1 Feb 1991
Kullik I, Fritsche S, Knobel H, Sanjuan J, Hennecke H, Fischer H M
Abstract excerpt
Recognition of -24/-12-type promoters by RNA polymerase requires a special sigma factor, sigma 54 (RpoN NtrA GlnF). In the nitrogen-fixing soybean symbiont Bradyrhizobium japonicum, two functional, highly conserved rpoN genes (rpoN1 and rpoN2) were identified and sequenced. The two predicted B. japonicum RpoN protein sequences were 87% identical, and both showed different levels of homology to the RpoN proteins...
Topics
- Amino Acid Sequence
- Base Sequence
- DNA Mutational Analysis
- DNA-Binding Proteins
- DNA-Directed RNA Polymerases
- Gene Expression Regulation, Bacterial
- Genes, Bacterial
- Genetic Complementation Test
- Molecular Sequence Data
- Nitrogen Fixation