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Related Experiment Videos

Formate dehydrogenase.

J G Ferry1

  • 1Department of Anaerobic Microbiology, Virginia Polytechnic Institute and State University, Blacksburg 24061.

FEMS Microbiology Reviews
|December 1, 1990
PubMed
Summary
This summary is machine-generated.

Formate is a key molecule in many metabolic pathways across diverse life forms. Formate dehydrogenase enzymes are crucial for energy conservation and substrate utilization in anaerobic bacteria and archaea.

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Area of Science:

  • Biochemistry
  • Microbiology
  • Enzymology

Background:

  • Formate is a central metabolite in diverse biological reactions across eukaryotes, eubacteria, and archaebacteria.
  • It serves as a growth substrate, reductant, and energy-conserving intermediate, particularly in anaerobic microorganisms.
  • Formate metabolism is linked to essential elements like selenium, molybdenum, tungsten, and iron.

Purpose of the Study:

  • To explore the diverse roles of formate in microbial metabolism.
  • To investigate the enzymatic machinery, specifically formate dehydrogenases, involved in formate metabolism.
  • To understand the biochemical and genetic implications of formate dehydrogenase activity.

Main Methods:

  • Survey of metabolic groups to identify formate's role.

Related Experiment Videos

  • Analysis of electron acceptors utilized by formate dehydrogenases.
  • Examination of enzyme composition and cofactor requirements.
  • Biochemical and genetic studies of formate dehydrogenase.

    • Main Results:

    • Formate is a common growth substrate for anaerobic eubacteria and archaebacteria.
    • Formate dehydrogenases exhibit diverse electron acceptors, including pyridine nucleotides, 5-deazaflavin, quinones, and ferredoxin.
    • Studies on these enzymes have advanced understanding of metalloenzymes and cofactor roles.
    • Formate dehydrogenase synthesis regulation provides insights into anaerobic gene regulation.

    Conclusions:

    • Formate metabolism is widespread and functionally diverse in prokaryotes and eukaryotes.
    • Formate dehydrogenases are key enzymes with varied electron acceptors and cofactor compositions.
    • Research on formate dehydrogenases contributes to understanding metalloenzyme biochemistry and anaerobic regulation.