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  • Publication
    Accès libre
    In vivo interaction between atToc33 and atToc159 GTP-binding domains demonstrated in a plant split-ubiquitin system
    (2008)
    Rahim, Gwendoline
    ;
    Bischof, Sylvain
    ;
    ;
    Agne, Birgit
    The GTPases atToc33 and atToc159 are pre-protein receptor components of the translocon complex at the outer chloroplast membrane in Arabidopsis. Despite their participation in the same complex in vivo;, evidence for their interaction is still lacking. Here, a split-ubiquitin system is engineered for use in plants, and the in vivo; interaction of the Toc GTPases in Arabidopsis and tobacco protoplasts is shown. Using the same method, the self-interaction of the peroxisomal membrane protein atPex11e is demonstrated. The finding suggests a more general suitability of the split-ubiquitin system as a plant in vivo; interaction assay.