Formation of xanthine and the use of purine metabolites as a nitrogen source in Arabidopsis plants

Galina Brychkova, Robert Fluhr, Moshe Sagi

    Research output: Contribution to journalArticlepeer-review

    29 Scopus citations

    Abstract

    In our recent paper in The Plant Journal, we described the remobilization of purine metabolites during natural and dark induced senescence in wild type and Atxdh1 mutant lines impaired in xanthine dehydrogenase (XDH), a pivotal enzyme in the purine catabolism pathway. In the light of these observations and additional evidence shown here, we discuss the probable pathways leading to xanthine synthesis in Arabidopsis plants during senescence and the role that purine metabolites play as an ongoing source of nitrogen in plant growth.

    Original languageEnglish
    Pages (from-to)999-1001
    Number of pages3
    JournalPlant Signaling and Behavior
    Volume3
    Issue number11
    DOIs
    StatePublished - 1 Jan 2008

    Keywords

    • Hypoxanthine
    • Purine catabolism
    • Senescence
    • Xanthine
    • Xanthine dehydrogenase

    ASJC Scopus subject areas

    • Plant Science

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