Novel two-component transmembrane transcription control: regulation of iron dicitrate transport in Escherichia coli K-12.

@article{Hove1990NovelTT,
  title={Novel two-component transmembrane transcription control: regulation of iron dicitrate transport in Escherichia coli K-12.},
  author={B Van Hove and H Staudenmaier and Volkmar Braun},
  journal={Journal of bacteriology},
  year={1990},
  volume={172 12},
  pages={6749-58}
}
Citrate and iron have to enter only the periplasmic space in order to induce the citrate-dependent iron(III) transport system of Escherichia coli. The five transport genes fecABCDE form an operon and are transcribed from fecA to fecE. Two genes, termed fecI and fecR, that mediate induction by iron(III) dicitrate have been identified upstream of fecA. The fecI gene encodes a protein of 173 amino acids (molecular weight, 19,478); the fecR gene encodes a protein of 317 amino acids (molecular… CONTINUE READING

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