Evidence that RpoS (sigmaS) in Borrelia burgdorferi is controlled directly by RpoN (sigma54/sigmaN)

J Bacteriol. 2007 Mar;189(5):2139-44. doi: 10.1128/JB.01653-06. Epub 2006 Dec 8.

Abstract

The alternative sigma factor (RpoN-RpoS) pathway controls the expression of key virulence factors in Borrelia burgdorferi. However, evidence to support whether RpoN controls rpoS directly or, perhaps, indirectly via a transactivator has been lacking. Herein we provide biochemical and genetic evidence that RpoN directly controls rpoS in B. burgdorferi.

Publication types

  • Research Support, N.I.H., Extramural

MeSH terms

  • Antigens, Bacterial / genetics
  • Bacterial Outer Membrane Proteins / genetics
  • Bacterial Proteins / genetics*
  • Base Sequence
  • Binding Sites
  • Borrelia burgdorferi / genetics*
  • Gene Expression Regulation, Bacterial*
  • Molecular Sequence Data
  • Mutagenesis, Site-Directed
  • Promoter Regions, Genetic
  • RNA Polymerase Sigma 54 / physiology*
  • Sigma Factor / genetics*

Substances

  • Antigens, Bacterial
  • Bacterial Outer Membrane Proteins
  • Bacterial Proteins
  • OspC protein
  • Sigma Factor
  • sigma factor KatF protein, Bacteria
  • RNA Polymerase Sigma 54