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    Barbituric acid metabolism in Nocardia corallina : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Biochemistry at Massey University

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    Abstract
    Barbituric acid utilisation in Nocardia corallina has been investigated. The enzyme barbiturase was induced using barbituric acid as the sole carbon and nitrogen source and a study of the optimum conditions for isolation of the enzyme was undertaken. Although it proved to be somewhat unstable,a partial purification was achieved. Studies of barbituric acid utilisation were undertaken and it was shown that both cell-free extracts and the partially-purified enzyme were capable of the formation of an activated form of malonic acid from barbituric acid. Activation could not be demonstrated using malonic acid as substrate. It is suggested that the barbiturase activity observed in vitro, i.e. malonic acid formation, is an artifact of isolation and that in vivo barbituric acid is utilised via malonyl-CoA.
    Date
    1974
    Author
    Pearce, Philip David
    Rights
    The Author
    Publisher
    Massey University
    URI
    http://hdl.handle.net/10179/11630
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