The Phlebovirus Ribonucleoprotein: An Overview
2024
Ferron, François | Lescar, Julien | European Virus Bioinformatics Center [Jena] | Architecture et fonction des macromolécules biologiques (AFMB) ; Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | Centre d'Immunologie et de Maladies Infectieuses (CIMI) ; Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)
International audience
Afficher plus [+] Moins [-]anglais. <div xmlns="http://www.tei-c.org/ns/1.0"><p>In negative strand RNA viruses, ribonucleoproteins, not naked RNA, constitute the template used by the Large protein endowed with polymerase activity for replicating and transcribing the viral genome. Here we give an overview of the structures and functions of the ribonucleoprotein from phleboviruses. The nucleocapsid monomer which constitutes the basic structural unit, possesses a flexible arm allowing for a conformational switch between a closed monomeric state and the formation of a polymeric filamentous structure competent for viral RNA binding and encapsidation in the open state of N. The modes of N-N oligomerization as well as interactions with vRNA are described. Finally, recent advances in tomography opens exciting perspectives for a more complete understanding of N-L interactions and the design of specific antiviral compounds.</p><p>1</p></div>
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