While respiration doesn't directly involve hydrogen, the element is shuffled around by nicotinamide adenine dinucleotide ...

In addition, the cells use an NADPH oxidase (an enzyme in the cell membrane) to release reactive oxygen species as further ...

Enzymes, the core catalysts in life ... More information: Chun-Chi Chen et al, Chanoclavine synthase operates by an NADPH-independent superoxide mechanism, Nature (2025). DOI: 10.1038 ...

is the very late onset of NADPH regeneration: they indicate that most PPP enzymes are induced 4 to 7 minutes—or even later—after the oxidative perturbations 1. This might be fast for a genetic ...