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Cytokinin biosynthesis and Interaction with Auxin

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F03%3A00001585" target="_blank" >RIV/61989592:15310/03:00001585 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Cytokinin biosynthesis and Interaction with Auxin

  • Original language description

    Auxin-cytokinin intewractions were investigated in Arabidopsis thaliana and Nicotiana tabacum by the use of in-vivo deuterium labeling and mass spectrometry. 36 hours after incubation of cytokinin overproduction in transgenic Arabidopsis thaliana plants,significant lower endogenous IAA biosynthetic rates and pool sizes were detected. In the next set of experiments, the auxin NAA was shown to reduce cytokinin biosynthetic rate in Arabidopsis wt plants within 6h of incubation. In contrast to the cytokinin-auxin case, this rapid effect indicates a direct on transcriptional or translation of synthase related genes. Furthermore, NAA was found exclusively act on the alternative, IPMP-independent pathway of cytokinin biosynthesis producing ZMP not involvingiP-type of cytokinins as intermediates. The de novo biosynthetic activity in shoot tissues was studied in tobacco leaves of different developmental stages. The highest rates of de novo ZMP biosynthesis were found in very young leaves sugge

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    EF - Botany

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA522%2F01%2F0275" target="_blank" >GA522/01/0275: Study of new cytokinin metabolites: isolation, identification and biosynthesis</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2003

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Plant Biology 2003 - the 2003 annual meeting of the American Society of Plant Biology

  • ISBN

  • ISSN

  • e-ISSN

  • Number of pages

    286

  • Pages from-to

    141

  • Publisher name

    American Society of Plant Physiologists

  • Place of publication

    Honolulu

  • Event location

    Honolulu

  • Event date

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article