Regulation of transcription attenuation and translation initiation by allosteric control of an RNA-binding protein

The Bacillus subtilis TRAP protein

Research output: Contribution to journalReview article

51 Citations (Scopus)

Abstract

Tryptophan allosterically controls the 11-subunit trp RNA-binding attenuation protein (TRAP) of Bacillus subtilis. When activated by tryptophan, TRAP binds to multiple trinucleotide repeats in target transcripts. TRAP is responsible for the decision to terminate transcription in the leader region of the trpEDCFBA operon or to allow transcription to proceed into the structural genes. TRAP also regulates translation of trpE by promoting formation of an RNA structure that prevents ribosome binding. In addition, bound TRAP regulates translation initiation of pabA, trpP and ycbK by directly blocking ribosome binding. The anti-TRAP protein inhibits TRAP activity by competing with RNA for the RNA binding surface of TRAP.

Original languageEnglish (US)
Pages (from-to)132-139
Number of pages8
JournalCurrent Opinion in Microbiology
Volume7
Issue number2
DOIs
StatePublished - Apr 1 2004

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RNA-Binding Proteins
Bacillus subtilis
Proteins
RNA
Ribosomes
Tryptophan
Translational Peptide Chain Initiation
Trinucleotide Repeats
Operon

All Science Journal Classification (ASJC) codes

  • Microbiology
  • Infectious Diseases

Cite this

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title = "Regulation of transcription attenuation and translation initiation by allosteric control of an RNA-binding protein: The Bacillus subtilis TRAP protein",
abstract = "Tryptophan allosterically controls the 11-subunit trp RNA-binding attenuation protein (TRAP) of Bacillus subtilis. When activated by tryptophan, TRAP binds to multiple trinucleotide repeats in target transcripts. TRAP is responsible for the decision to terminate transcription in the leader region of the trpEDCFBA operon or to allow transcription to proceed into the structural genes. TRAP also regulates translation of trpE by promoting formation of an RNA structure that prevents ribosome binding. In addition, bound TRAP regulates translation initiation of pabA, trpP and ycbK by directly blocking ribosome binding. The anti-TRAP protein inhibits TRAP activity by competing with RNA for the RNA binding surface of TRAP.",
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N2 - Tryptophan allosterically controls the 11-subunit trp RNA-binding attenuation protein (TRAP) of Bacillus subtilis. When activated by tryptophan, TRAP binds to multiple trinucleotide repeats in target transcripts. TRAP is responsible for the decision to terminate transcription in the leader region of the trpEDCFBA operon or to allow transcription to proceed into the structural genes. TRAP also regulates translation of trpE by promoting formation of an RNA structure that prevents ribosome binding. In addition, bound TRAP regulates translation initiation of pabA, trpP and ycbK by directly blocking ribosome binding. The anti-TRAP protein inhibits TRAP activity by competing with RNA for the RNA binding surface of TRAP.

AB - Tryptophan allosterically controls the 11-subunit trp RNA-binding attenuation protein (TRAP) of Bacillus subtilis. When activated by tryptophan, TRAP binds to multiple trinucleotide repeats in target transcripts. TRAP is responsible for the decision to terminate transcription in the leader region of the trpEDCFBA operon or to allow transcription to proceed into the structural genes. TRAP also regulates translation of trpE by promoting formation of an RNA structure that prevents ribosome binding. In addition, bound TRAP regulates translation initiation of pabA, trpP and ycbK by directly blocking ribosome binding. The anti-TRAP protein inhibits TRAP activity by competing with RNA for the RNA binding surface of TRAP.

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