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    Acta Pathol Microbiol Scand B. 1976 Feb;84(1):17-21.

    Pyridine nucleotide independent oxidation of L-malate in genus Neisseria.

    Abstract

    In cell free extract from Neisseria meningitidis an enzyme has been found which catalyses the oxidation of L-malate to oxaloacetate in the absence of pyridine nucleotides, using ferricyanide as electron acceptor. The enzyme was found to be particle-bound, as determined by sucrose gradient centrifugation. Activity corresponding to this enzyme was demonstrated in extracts from all strains tested of selected Neisseria species. In contrast to the large differences in NAD-linked malate dehydrogenase activity among the species, the interspecies variation of the pyridine nucleotide independent oxidation of malate was not sufficiently distinct to be useful for classification purposes.

    PMID:
    814782
    [PubMed - indexed for MEDLINE]

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