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Descriptor English: Helper Viruses
Descriptor Spanish: Virus Helper
Descriptor Portuguese: Vírus Auxiliares
Descriptor French: Virus assistants
Entry term(s): Helper Virus
Virus, Helper
Viruses, Helper
Tree number(s): B04.423
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D006378
Scope note: Viruses which enable defective viruses to replicate or to form a protein coat by complementing the missing gene function of the defective (satellite) virus. Helper and satellite may be of the same or different genus.
Annotation: enable defective viruses to replicate or to form a protein coat; coord IM with specific virus (IM)
Allowable Qualifiers: CH chemistry
CL classification
DE drug effects
EN enzymology
GD growth & development
GE genetics
IM immunology
IP isolation & purification
ME metabolism
PH physiology
PY pathogenicity
RE radiation effects
UL ultrastructure
Previous Indexing: specific virus (1966)
Public MeSH Note: 75; was HELPER VIRUS 1973-74
Online Note: use HELPER VIRUSES to search HELPER VIRUS 1967-74 (as Prov 1967-72)
History Note: 75; was HELPER VIRUS 1967-74 (Prov 1967-72)
Related: Satellite Viruses MeSH
DeCS ID: 6528
Unique ID: D006378
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1973/01/01
Date of Entry: 1999/01/01
Revision Date: 1993/06/04
Helper Viruses - Preferred
Concept UI M0010016
Scope note Viruses which enable defective viruses to replicate or to form a protein coat by complementing the missing gene function of the defective (satellite) virus. Helper and satellite may be of the same or different genus.
Preferred term Helper Viruses
Entry term(s) Helper Virus
Virus, Helper
Viruses, Helper



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