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Mn2+ and bacterial pathogenesis.

Michelle L Zaharik1, B Brett Finlay

  • 1Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada.

Frontiers in Bioscience : a Journal and Virtual Library
|February 24, 2004
PubMed
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Manganese (Mn2+) is crucial for bacterial pathogens, even those independent of iron (Fe2+). This review explores Mn2+ roles in infection, including detoxification, enzyme function, and virulence gene regulation.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Biochemistry

Background:

  • Iron (Fe2+) has been the primary focus in host-pathogen interactions.
  • Emerging evidence highlights the significance of other divalent cations, particularly manganese (Mn2+).
  • Fe2+-independent bacterial pathogens demonstrate an absolute requirement for Mn2+.

Purpose of the Study:

  • To review the potential roles of manganese (Mn2+) in bacterial pathogenesis.
  • To elucidate the impact of Mn2+ on host-pathogen interactions and infection outcomes.

Main Methods:

  • Literature review of recent studies on divalent cations in bacterial infections.
  • Analysis of Mn2+ involvement in bacterial physiology and virulence.

Main Results:

Related Experiment Videos

  • Mn2+ is essential for the pathogenesis of certain bacterial species.
  • Potential roles include reactive oxygen intermediate detoxification, enzyme cofactor activity, and virulence gene regulation.
  • Mn2+ influences signal transduction pathways critical for infection.

Conclusions:

  • Manganese (Mn2+) plays a vital, previously underestimated role in bacterial pathogenesis.
  • Understanding Mn2+ functions is key to developing novel anti-infective strategies.
  • Further research into Mn2+ metabolism and regulation in pathogens is warranted.