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Electron Bifurcation

Electron bifurcating enzymes are known to be constituents of the electron transport chain of some aerobically respiring organisms, like humans. It is a mechanism of energy conservation.

In 2008, it was discovered as a mechanism of energy conservation in anaerobic microbes without electron transport chains. This has revolutionized our understanding of microbial fermentations (only fermentations?). Wolfgang Buckel and Rodolf Thauer consider this to be a third form of energy conservation, in addition to substrate-level phosphorylation and electron-transport chains (2013).

citations: Hermann et al., 2008

Energy conservation via electron bifurcating ferredoxin reduction and proton/Na+ translocating ferredoxin oxidation-Buckel and Thauer, 2013.

http://www.mpi-marburg.mpg.de/thauer