Gibberellin biosynthesis in Arabidopsis

Shinjiro Yamaguchi

    Research output: Contribution to journalReview article

    27 Citations (Scopus)

    Abstract

    Some terpenoids play important roles in plant development as growth regulators. Gibberellins (GAs) are a group of diterpenoids, of which isoprene units are mainly derived from the methylerythritol phosphate pathway in the plastid. Geranylgeranyl diphosphate, a common precursor for diterpenoids, is converted to biologically active GAs through reactions catalyzed by terpene cyclases, cytochrome P450 monooxygenases, and 2-oxoglutarate-dependent dioxygenases. Bioactive GAs act as critical growth regulators throughout the life cycle of plants. There is accumulating evidence that the cellular concentration of hormonal GAs is strictly regulated by multiple endogenous and environmental cues. This review aims to summarize our recent findings on the regulation of GA biosynthesis in the model species Arabidopsis thaliana, with emphasis on the use of the genome information, transcriptome analysis and relevant mutants.

    Original languageEnglish
    Pages (from-to)39-47
    Number of pages9
    JournalPhytochemistry Reviews
    Volume5
    Issue number1
    DOIs
    Publication statusPublished - 2006 Feb 1

    Keywords

    • Arabidopsis thaliana
    • Diterpene
    • Gibberellin
    • Microarray analysis
    • Seed germination

    ASJC Scopus subject areas

    • Biotechnology
    • Plant Science

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