Internal promoters of the his operon in Salmonella typhimurium

M. B. Schmid, J. R. Roth

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15 Scopus citations

Abstract

Two internal promoters in the his operon of S. typhimurium have been precisely mapped genetically. The internal promoters are found in, or very close to gene border regions in the his operon. The his operon was examined for the presence of additional internal promoters whose transcripts were sensitive to rho-mediated transcription termination and therefore had escaped detection. No new internal promoters were found. It is argued that the internal promoters described here are not likely to be fortuitous message start sites, but may play a physiologically important role in operon expression.

Original languageEnglish (US)
Pages (from-to)1114-1119
Number of pages6
JournalJournal of Bacteriology
Volume153
Issue number2
StatePublished - 1983
Externally publishedYes

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ASJC Scopus subject areas

  • Applied Microbiology and Biotechnology
  • Immunology

Cite this

Schmid, M. B., & Roth, J. R. (1983). Internal promoters of the his operon in Salmonella typhimurium. Journal of Bacteriology, 153(2), 1114-1119.