REBELOTE , a regulator of floral determinacy in Arabidopsis thaliana , interacts with both nucleolar and nucleoplasmic proteins

Autor: Ioan Negrutiu, Stève de Bossoreille, Christophe Trehin, Patrice Morel
Přispěvatelé: Reproduction et développement des plantes (RDP), École normale supérieure - Lyon (ENS Lyon)-Institut National de la Recherche Agronomique (INRA)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), Region Rhone-Alpes, École normale supérieure de Lyon (ENS de Lyon)-Institut National de la Recherche Agronomique (INRA)-Université Claude Bernard Lyon 1 (UCBL), Région Rhône-Alpes
Rok vydání: 2018
Předmět:
Zdroj: FEBS Open Bio
FEBS Open Bio, Wiley Open Access/Elsevier, 2018, 8 (10), pp.1636-1648. ⟨10.1002/2211-5463.12504⟩
FEBS Open Bio, 2018, pp.1-22. ⟨10.1002/2211⟩
FEBS Open Bio, Wiley Open Access/Elsevier, 2018, pp.1-22. ⟨10.1002/2211⟩
FEBS Open Bio 10 (8), 1636-1648. (2018)
FEBS Open Bio, 2018, 8 (10), pp.1636-1648. ⟨10.1002/2211-5463.12504⟩
ISSN: 2211-5463
Popis: doi:10.1002/2211-5463.1250 Vérifier ultérieurement ce lien; International audience; The nucleoplasm and nucleolus are the two main territories of the nucleus. While specific functions are associated with each of these territories (such as mRNA synthesis in the nucleoplasm and ribosomal rRNA synthesis in thenucleolus), some proteins are known to be located in both. Here, we investigated the molecular function of REBELOTE (RBL), an Arabidopsis thalianaprotein previously characterized as a regulator of floral meristem termination. We show that RBL displays a dual localization, in the nucleolus and nucleoplasm. Moreover, we used direct and global approaches to demonstrate that RBL interacts with nucleic acid-binding proteins. It binds to the NOC proteins SWA2, AtNOC2 and AtNOC3 in both the nucleolus and nucleoplasm, and also to OBE1 and VFP3/ENAP1. Taking into account the identities of these RBL interactors, we hypothesise that RBL acts both in ribosomal biogenesis and in the regulation of gene expression.
Databáze: OpenAIRE