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Pathway Description
L-Carnitine Degradation I
Escherichia coli
Metabolic Pathway
L-Carnitine can stimulate anaerobic growth of E.coli when exogenous electron acceptors (i.e. nitrate, etc.) are absent. During anaerobic growth, E.coli can reduce L-carnitine to γ-butyrobetaine by CoA-linked intermediates when carbon and nitrogen are present in the system. Therefore, L-carnitine may act as external electron acceptor for anaerobic growth as well as generation of an osmoprotectant for cell.
References
L-Carnitine Degradation I References
Eichler K, Bourgis F, Buchet A, Kleber HP, Mandrand-Berthelot MA: Molecular characterization of the cai operon necessary for carnitine metabolism in Escherichia coli. Mol Microbiol. 1994 Sep;13(5):775-86.
Pubmed: 7815937
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