Michiels J, Vanderleyden J
F.A. Janssens Laboratory of Genetics, Catholic University of Leuven, Heverlee, Belgium.
Biochim Biophys Acta. 1993 Sep 13;1144(2):232-3. doi: 10.1016/0005-2728(93)90179-j.
We report the identification and cloning of Rhizobium leguminosarum biovar phaseoli fixABCX homologous genes and the complete nucleotide sequence of the fixA gene. The corresponding gene product is highly homologous to the Rhizobium meliloti and Azorhizobium caulinodans FixA proteins. Putative NtrA- and NifA-binding sites are identified in the fixA promoter region.