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The Metabolism of Gallic Acid by Pseudomonas convexa X.1
Author(s) -
Beveridge E. G.,
Hugo W. B.
Publication year - 1964
Publication title -
journal of applied bacteriology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.889
H-Index - 156
eISSN - 1365-2672
pISSN - 0021-8847
DOI - 10.1111/j.1365-2672.1964.tb05054.x
Subject(s) - gallic acid , metabolism , chemistry , biochemistry , organic chemistry , antioxidant
S ummary . Some aspects of gallic acid (3,4,5‐trihydroxybenzoic acid) degradation by a bacterial isolate, Pseudomonas convexa X.1, have been investigated. The ability of suspensions of this organism, previously adapted to gallic acid, to oxidize a variety of organic substrates was studied and the results obtained, analyzed with the aid of Stanier's simultaneous adaptation theory in an attempt to identify intermediates of eallic acid metabolism. As a result, α‐ketoglutaric acid was suspected of being such an intermediate and was later isolated as its 2,4‐dinitrophenylhydrazone during gallic acid metabolism. Gallic acid adapted cells of Ps. convexa X.1 were not able to oxidize the gallate esters and attempts to induce activity were unsuccessful. The usefulness of Stanier's theory for selection of potential metabolites is discussed and a tentative degradative pathway for gallic acid metabolism is proposed.