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Article

Evidence that the potyvirus P1 proteinase functions in trans as an accessory factor for genome amplification.

Journal of virology - 1 Jun 1995

Verchot J, Carrington J C

Abstract excerpt

The tobacco etch potyvirus (TEV) polyprotein is proteolytically processed by three viral proteinases (NIa, HC-Pro, and P1). While the NIa and HC-Pro proteinases each provide multiple functions essential for viral infectivity, the role of the P1 proteinase beyond its autoproteolytic activity is understood poorly. To determine if P1 is necessary for genome amplification and/or virus movement from cell to cell, a...

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Identifiers

PMID: 7745715
DOI: 10.1128/JVI.69.6.3668-3674.1995
PMCID: PMC189082

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Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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Research trail→

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Evidence that the potyvirus P1 proteinase functions in trans as an accessory factor for genome amplification.PMID 7745715Read ↗

Requirement for HC-Pro processing during genome amplification of tobacco etch potyvirus.Semantic proximity Read ↗

Distinct functions of capsid protein in assembly and movement of tobacco etch potyvirus in plants.Semantic proximity Read ↗

Analysis of the VPg-proteinase (NIa) encoded by tobacco etch potyvirus: effects of mutations on subcellular transport, proteolytic processing, and genome amplification.Semantic proximity Read ↗

Capsid protein determinants involved in cell-to-cell and long distance movement of tobacco etch potyvirus.Semantic proximity Read ↗

Expression of potyviral polyproteins in transgenic plants reveals three proteolytic activities required for complete processing.Semantic proximity Read ↗

Long-distance movement and replication maintenance functions correlate with silencing suppression activity of potyviral HC-Pro.Semantic proximity Read ↗

The potyviral silencing suppressor HCPro recruits and employs host ARGONAUTE1 in pro-viral functions.Semantic proximity Read ↗

A Newly Identified Virus in the Family Potyviridae Encodes Two Leader Cysteine Proteases in Tandem That Evolved Contrasting RNA Silencing Suppression Functions.Semantic proximity Read ↗

P1 peptidase--a mysterious protein of family Potyviridae.Semantic proximity Read ↗

Capsid protein and helper component-proteinase function as potyvirus cell-to-cell movement proteins.Semantic proximity Read ↗

Potyvirus helper component-proteinase and coat protein (CP) have coordinated functions in virus-host interactions and the same CP motif affects virus transmission and accumulation.Semantic proximity Read ↗

Suppression of long-distance movement of tobacco etch virus in a nonsusceptible host.Semantic proximity Read ↗

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