Abstract The [FeFe]-and [NiFe]-hydrogenases catalyze the formal interconversion between
hydrogen and protons and electrons, possess characteristic non-protein ligands at their …

Under anaerobic conditions and in the absence of alternative electron acceptors
Escherichia coli converts sugars to a mixture of products by fermentation. The major soluble …

A unique characteristic in the prokaryotic world is the multiplicity of life strategies without any
involvement of oxygen. Actually, life in anoxic habitats is prokaryotic to a large extent …

Production of hydrogen by anaerobes, facultative anaerobes, aerobes, methylotrophs, and
photosynthetic bacteria is possible. Anaerobic Clostridia are potential producers and …

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Under anaerobic conditions, Escherichia coli can carry out a mixed-acid fermentation that
ultimately produces molecular hydrogen. The enzyme directly responsible for hydrogen …

Hydrogenase proteins catalyze the reversible conversion of molecular hydrogen to protons
and electrons. The most abundant hydrogenases contain a [NiFe] active site; these proteins …

The inner membranes of mitochondria contain three multi-subunit enzyme complexes that
act successively to transfer electrons from NADH to oxygen, which is reduced to water (Fig …

We describe the identification of two Escherichia coli genes required for the export of
cofactor‐containing periplasmic proteins, synthesized with signal peptides containing a twin …

Availability, low prices, and a high degree of reduction make glycerol an ideal feedstock to
produce reduced chemicals and fuels via anaerobic fermentation. Although glycerol …