Identification of Beet Western Yellows Luteovirus Genes Implicated in Viral Replication and Particle Morphogenesis

Autor: Hubert Guilley, D. Scheidecker, Hervé Lot, Kenneth Richards, A. Reutenauer, Gérard Jonard, Véronique Ziegler-Graff
Přispěvatelé: Institut de biologie moléculaire des plantes (IBMP), Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Unité de Pathologie Végétale (PV), Institut National de la Recherche Agronomique (INRA), Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)
Rok vydání: 1993
Předmět:
Zdroj: Virology
Virology, Elsevier, 1993, 195, pp.692-699. ⟨10.1006/viro.1993.1420⟩
ISSN: 0042-6822
1096-0341
DOI: 10.1006/viro.1993.1420
Popis: International audience; The roles in replication and viral assembly of different beet western yellows luteovirus gene products were investigated in Chenopodium quinoa protoplasts using mutated transcripts. Of the six long open reading frames (ORFs) present on the viral RNA, only ORFs 2 and 3, which encode proteins containing conserved putative replicase domains, were essential for replication. Various deletions in the 3′ part of the genome within ORFs 4, 5, and 6 did not affect viral replication. Analysis of the progeny of those mutants capable of replication showed that virus particles were produced in protoplasts infected with transcripts modified in ORFs 1, 5, or 6 but not with transcripts unable to produce coat protein, encoded by ORF 4.
Databáze: OpenAIRE