Conservation of extended promoter regions of nodulation genes in Rhizobium.Rostas K., Kondorosi E., Horvath B., Simoncsits A., Kondorosi A.View abstractCited forNUCLEOTIDE SEQUENCEStrain41PlasmidSYMCategorySequencesSourceUniProtKB unreviewed (TrEMBL)PubMedEurope PMCProc Natl Acad Sci U S A 83:1757-1761 (1986)Cited in1