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 (prō′vī′rəs, prō-vī′-)
n. pl. pro·vi·rus·es
A form of a virus that allows it to be integrated into the genome of a host cell and to replicate in concert with the cell's genetic material without causing cell lysis.

pro′vi′ral (-rəl) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Pathology) the inactive form of a virus in a host cell
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈproʊˌvaɪ rəs, proʊˈvaɪ-)

n., pl. -rus•es.
a viral form that is incorporated into the genetic material of a host cell.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.provirus - cDNA copy of the RNA genome of a retrovirus; the genetic material of a virus as incorporated into and able to replicate with the genome of a host cell
cDNA, complementary DNA - single-stranded DNA that is complementary to messenger RNA or DNA that has been synthesized from messenger RNA by reverse transcriptase
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Scientists have found that the HIV DNA, or 'provirus' inside the resting cells is usually so defective that it cannot generate new virus particles.
It is, essentially, a tool to screen a population of sequences in the sample and can be used to detect unknown viruses, integrated retrovirus provirus, transcripts and endogenous sequences.
Analysis of FeLV-FAIDS provirus burden and productive infection in lymphocyte subsets in vivo.
Quantification of human T-lymphotropic virus type I (HTLV-I) provirus load in a rural West African population: no enhancement of human immunodeficiency virus type 2 pathogenesis, but HTLV-I provirus load relates to mortality.
Se identifico el genoma del provirus de VLB en el las vacas a traves de la tecnica molecular PCR anidada, por medio de la cual se amplifico un fragmento de 444 pb correspondiente a una fraccion del gen env que codifica para la proteina de envoltura gp51.
Li, "De novo methylation of MMLV provirus in embryonic stem cells: CpG versus non-CpG methylation," Gene, vol.
In one article, they scan the human and simian immunodeficiency provirus genome for putative G-quadruplex forming sequences.
Despite therapeutic efficacy, some latent-infected cells keep the provirus integrated into their DNA, but without expressing viral proteins, known as "reservoirs" [6].
Koyanagi, "Harnessing the CRISPR/Cas9 system to disrupt latent HIV-1 provirus," Scientific Reports, vol.
Approximately 20% of these tumors have been injected with the mouse mammary tumor virus provirus directly in the Notch-4/int-3 locus.
Equine infectious anemia virus gag p9 function in early steps of virus infection and provirus production.