If the atmosphere of the early Earth was hydrogen-rich, 1 it is reasonable to think that
hydrogenases, the enzymes enabling cells to use molecular hydrogen, were probably …

Dissimilatory sulphate reduction is the unifying and defining trait of sulphate-reducing
prokaryotes (SRP). In their predominant habitats, sulphate-rich marine sediments, SRP have …

The utilization of hydrogen by micro-organisms as a source of reducing power or of protons
as final electron acceptors is mediated by metalloenzymes called hydrogenases. The need …

Sulfate reducing bacteria (SRB) have existed throughout much of Earth's history and remain
major contributors to carbon cycling in modern systems. Despite their importance …

FeFe hydrogenases are the most efficient H2-producing enzymes. However, inactivation by
O2 remains an obstacle that prevents them being used in many biotechnological devices …

Sulfate-reducing bacteria (SRB) are strict anaerobes that are often found in biotopes where
oxic conditions can temporarily exist. The bacteria have developed several defense …

The sulfate-reducing efficiency of sulfate-reducing bacteria (SRB) is strongly influenced by
the presence of oxygen, but little is known about the oxygen tolerance mechanism of SRB …

The NfnAB (NADH-dependent reduced ferredoxin: NADP+ oxidoreductase) and Rnf (ion-
translocating reduced ferredoxin: NAD+ oxidoreductase) complexes are thought to catalyze …

Abstract Effects of aerobic conditions on strictly anaerobic microorganisms belonging to
diverse taxa (clostridia, acetogenic bacteria, lactic acid bacteria, bacteroids, sulfate-reducing …

Entamoeba histolytica is a protozoan parasite that causes colitis and liver abscesses.
Several Entamoeba species and strains with differing levels of virulence have been …