Transcription attenuation

Paul Gollnick, Paul Babitzke

Research output: Contribution to journalReview articlepeer-review

72 Scopus citations


In this review, we describe a variety of mechanisms that bacteria use to regulate transcription elongation in order to control gene expression in response to changes in their environment. Together, these mechanisms are known as attenuation and antitermination, and both involve controlling the formation of a transcription terminator structure in the RNA transcript prior to a structural gene or operon. We examine attenuation and antitermination from the point of view of the different biomolecules that are used to influence the RNA structure. Attenuation of many amino acid biosynthetic operons, particularly in enteric bacteria, is controlled by ribosomes translating leader peptides. RNA-binding proteins regulate attenuation, particularly in gram-positive bacteria such as Bacillus subtilis. Transfer RNA is also used to bind to leader RNAs and influence transcription antitermination in a large number of amino acyl tRNA synthetase genes and several biosynthetic genes in gram-positive bacteria. Finally, antisense RNA is involved in mediating transcription attenuation to control copy number of several plasmids.

Original languageEnglish (US)
Pages (from-to)240-250
Number of pages11
JournalBiochimica et Biophysica Acta - Gene Structure and Expression
Issue number2
StatePublished - Sep 13 2002

All Science Journal Classification (ASJC) codes

  • Structural Biology
  • Biophysics
  • Biochemistry
  • Genetics


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