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The HCPro from the Potyviridae family: an enviable multitasking Helper Component that every virus would like to have

Valli, Adrián A. ; Gallo, Araiz ; Rodamilans, Bernardo ; López‐Moya, Juan José ; García, Juan Antonio

Molecular plant pathology, 2018-03, Vol.19 (3), p.744-763 [Periódico revisado por pares]

England: John Wiley & Sons, Inc

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Título:
The HCPro from the Potyviridae family: an enviable multitasking Helper Component that every virus would like to have
Autor: Valli, Adrián A. ; Gallo, Araiz ; Rodamilans, Bernardo ; López‐Moya, Juan José ; García, Juan Antonio
Assuntos: Cysteine Endopeptidases - genetics ; Cysteine Endopeptidases - metabolism ; Genomes ; multifunctional proteins ; Multitasking ; Plant Diseases - virology ; Plant viruses ; Potyvirus - genetics ; Potyvirus - pathogenicity ; Proteinase ; Proteins ; Review ; Reviews ; Ribonucleic acid ; RNA ; RNA Interference ; RNA silencing suppressor ; RNA viruses ; RNA, Viral - genetics ; RNA-mediated interference ; transmission ; Viral Proteins - genetics ; Viral Proteins - metabolism ; Viruses
É parte de: Molecular plant pathology, 2018-03, Vol.19 (3), p.744-763
Descrição: Summary RNA viruses have very compact genomes and so provide a unique opportunity to study how evolution works to optimize the use of very limited genomic information. A widespread viral strategy to solve this issue concerning the coding space relies on the expression of proteins with multiple functions. Members of the family Potyviridae, the most abundant group of RNA viruses in plants, offer several attractive examples of viral factors which play roles in diverse infection‐related pathways. The Helper Component Proteinase (HCPro) is an essential and well‐characterized multitasking protein for which at least three independent functions have been described: (i) viral plant‐to‐plant transmission; (ii) polyprotein maturation; and (iii) RNA silencing suppression. Moreover, multitudes of host factors have been found to interact with HCPro. Intriguingly, most of these partners have not been ascribed to any of the HCPro roles during the infectious cycle, supporting the idea that this protein might play even more roles than those already established. In this comprehensive review, we attempt to summarize our current knowledge about HCPro and its already attributed and putative novel roles, and to discuss the similarities and differences regarding this factor in members of this important viral family.
Editor: England: John Wiley & Sons, Inc
Idioma: Inglês

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The HCPro from the Potyviridae family: an enviable multitasking Helper Component that every virus would like to have

Valli, Adrián A. ; Gallo, Araiz ; Rodamilans, Bernardo ; López‐Moya, Juan José ; García, Juan Antonio

England: John Wiley & Sons, Inc

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