Bacterial oxidoreductase enzyme (None established; abbreviated generally as “oxidoreductase” or by specific enzyme (e.g., “MDH” for methanol dehydrogenase), but no universal abbreviation for the broad class)

Bacterial oxidoreductase enzymes are a diverse group of enzymes (classified in EC 1) that catalyze redox reactions—electron transfer between molecules—essential for cellular metabolism, energy production, and detoxification in bacteria. They comprise various families (dehydrogenases, reductases, oxidases, peroxidases, oxygenases, catalases) and show wide structural and mechanistic diversity, employing cofactors such as NAD/NADP, FMN, FAD, Heme, or metal ions. They are widespread in bacterial species, with some subclasses unique to bacteria or archaea (e.g., certain Mn-catalases and DMSO/molybdopterin oxidoreductases). Their functional roles include core metabolism, adaptation to stress, and, in some bacteria, alternative energy production. As therapeutic targets, they are recognized for roles in infection (bacterial viability and antibiotic resistance), and as industrial biocatalysts, they are valued for oxidation, reduction, and detoxification processes under extreme conditions. The term is an umbrella for hundreds of distinct enzymes, each with specialized substrates, cofactors, and disease or biotechnology importance.

Other names

OxidoreductaseRedox enzymeDehydrogenase (when O₂ is not acceptor)ReductaseOxidase (when O₂ is acceptor)EC 1 enzymes (Enzyme Commission class)Specific names by substrate (e.g., Alcohol dehydrogenase, Glucose oxidase, Catalase, Monoamine oxidase, Peroxidase)

Inhibition of electron transfer/metabolic pathway activity; Generation of reactive oxygen species (ROS); Interference with substrate binding or cofactor utilization (NAD/NADP, FMN, FAD, Heme, Iron-sulfur cluster); Modification or destruction of bacterial energy metabolism