Staphylococcus aureus YoeB homologues inhibit translation initiation

J Bacteriol. 2009 Sep;191(18):5868-72. doi: 10.1128/JB.00623-09. Epub 2009 Jul 6.

Abstract

YoeB is a bacterial toxin encoded by the yefM-yoeB toxin-antitoxin system found in various bacterial genomes. Here, we show that Staphylococcus aureus contains two YoeB homologues, both of which function as ribosome-dependent mRNA interferases to inhibit translation initiation in a manner identical to that of YoeB-ec from Escherichia coli.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Amino Acid Sequence
  • Bacterial Proteins / chemistry
  • Bacterial Proteins / genetics
  • Bacterial Proteins / metabolism
  • Bacterial Proteins / pharmacology*
  • Bacterial Toxins / chemistry
  • Bacterial Toxins / genetics
  • Bacterial Toxins / metabolism
  • Bacterial Toxins / pharmacology*
  • Escherichia coli Proteins / chemistry
  • Escherichia coli Proteins / genetics
  • Escherichia coli Proteins / metabolism
  • Humans
  • Molecular Sequence Data
  • Peptide Chain Initiation, Translational / drug effects*
  • Peptide Chain Initiation, Translational / physiology
  • Protein Synthesis Inhibitors / chemistry
  • Protein Synthesis Inhibitors / metabolism
  • Protein Synthesis Inhibitors / pharmacology*
  • Sequence Alignment
  • Sequence Homology, Amino Acid*
  • Staphylococcus aureus / genetics
  • Staphylococcus aureus / metabolism*

Substances

  • Bacterial Proteins
  • Bacterial Toxins
  • Escherichia coli Proteins
  • Protein Synthesis Inhibitors
  • YefM protein, E coli
  • YoeB protein, E coli