Strictly anaerobic, acetogenic (acetate-forming) bacteria are characterized by a reductive
pathway in which two mol of CO 2 are reduced to one mol of acetyl coenzyme A (acetyl …

Pathogenic microorganisms use various mechanisms to conserve energy in host tissues
and environmental reservoirs. One widespread but often overlooked means of energy …

Filamentous enzymes have been found in all domains of life, but the advantage of
filamentation is often elusive. Some anaerobic, autotrophic bacteria have an unusual …

Hydrogen is a promising fuel in a carbon-neutral economy, and many efforts are currently
undertaken to produce hydrogen. One of the challenges is to store and transport the highly …

Hydrogen (H 2) is an effective, environmentally friendly and renewable source of fuel that
can be produced during dark-and photo-fermentation by different facultative and obligate …

The prototypical hydrogen-producing enzyme, the membrane-bound formate hydrogenlyase
(FHL) complex from Escherichia coli, links formate oxidation at a molybdopterin-containing …

Hydrogenases are key enzymes of the energy metabolism of many microorganisms.
Especially in anoxic habitats where molecular hydrogen (H2) is an important intermediate …

Mitochondrial complex I is a redox-driven proton pump that generates proton-motive force
across the inner mitochondrial membrane, powering oxidative phosphorylation and ATP …

Background Replacing fossil fuels as energy carrier requires alternatives that combine
sustainable production, high volumetric energy density, easy and fast refueling for mobile …

Hydrogen-dependent reduction of carbon dioxide to formic acid offers a promising route to
greenhouse gas sequestration, carbon abatement technologies, hydrogen transport and …