1995
  1. Angerer,A., Enz,S., Ochs,M. and Braun,V.
    Transcriptional regulation of ferric citrate transport in Escherichia coli K-12. Fecl belongs to a new subfamily of sigma 70-type factors that respond to extracytoplasmic stimuli
    Mol Microbiol (1995) 18, 163-174. PubMed  Europe PubMed