Bacterial fumarate respiration

Fumarate respiration is the most widespread type of anaerobic respiration. This is probably because fumarate can be formed from carbohydrates and from proteins. Fumarate is the only metabolic intermediate known to serve as acceptor in anaerobic respiration. Bacteria using fumarate respiration form e...

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Bibliographic Details
Published in:Archives of microbiology 1992-10, Vol.158 (5), p.311-314
Main Authors: KRÖGER, A, GEISLER, V, LEMMA, E, THEIS, F, LENGER, R
Format: Article
Language:English
Subjects:
Bacteriology
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Microbiology
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Summary:Fumarate respiration is the most widespread type of anaerobic respiration. This is probably because fumarate can be formed from carbohydrates and from proteins. Fumarate is the only metabolic intermediate known to serve as acceptor in anaerobic respiration. Bacteria using fumarate respiration form either succinate or propionate as catabolic end products. Fumarate reduction to succinate has been observed with the membrane fraction of many bacteria. The electron transport chains catalyzing these reactions appear to be made up of one or more dehydrogenase, MK or demethyl-MK, and fumarate reductase. The dehydrogenases catalyze the reduction of the bacterial MK with donor substrates that are used also in aerobic respiration. Fumarate reductase (menaquinol: fumarate oxidreductase) catalyzes the reoxidation of MKH sub(2) with fumarate.
ISSN:0302-8933
1432-072X
DOI:10.1007/BF00245358