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Article

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

Virology - 20 Jun 2001

Kasschau K D, Carrington J C

Abstract excerpt

The tobacco etch potyviral protein, HC-Pro, is a multifunctional proteinase required for long-distance movement in plants and maintenance of genome replication at the single-cell level. It also functions in a counterdefensive capacity as a suppressor of posttranscriptional gene silencing (PTGS). To determine whether the requirements for HC-Pro during long distance movement and replication maintenance are due to...

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Identifiers

PMID: 11414807
DOI: 10.1006/viro.2001.0901

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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Long-distance movement and replication maintenance functions correlate with silencing suppression activity of potyviral HC-Pro.PMID 11414807Read ↗

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

Structural characterization of HC-Pro, a plant virus multifunctional protein.Semantic proximity Read ↗

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

From hypo- to hypersuppression: effect of amino acid substitutions on the RNA-silencing suppressor activity of the Tobacco etch potyvirus HC-Pro.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 ↗

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

Natural self-attenuation of pathogenic viruses by deleting the silencing suppressor coding sequence for long-term plant-virus coexistenceSemantic proximity Read ↗

The conserved FRNK box in HC-Pro, a plant viral suppressor of gene silencing, is required for small RNA binding and mediates symptom development.Semantic proximity Read ↗

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

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