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    Plant Physiol. 1999 Feb;119(2):507-10.

    Arabidopsis ent-kaurene oxidase catalyzes three steps of gibberellin biosynthesis.

    Source

    Commonwealth Scientific and Industrial Research Organization, Plant Industry, G.P.O. Box 1600, Canberra, ACT 2601, Australia. chrish@pican.pi.csiro.au

    Abstract

    The Arabidopsis GA3 cDNA was expressed in yeast (Saccharomyces cerevisiae) and the ability of the transformed yeast cells to metabolize ent-kaurene was tested. We show by full-scan gas chromatography-mass spectrometry that the transformed cells produce ent-kaurenoic acid, and demonstrate that the single enzyme GA3 (ent-kaurene oxidase) catalyzes the three steps of gibberellin biosynthesis from ent-kaurene to ent-kaurenoic acid.

    PMID:
    9952446
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC32127
    Free PMC Article

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