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provirus

American  
[proh-vahy-ruhs, proh-vahy-] / ˈproʊˌvaɪ rəs, proʊˈvaɪ- /

noun

proviruses plural
  1. a viral form that is incorporated into the genetic material of a host cell.


provirus British  
/ ˈprəʊˌvaɪrəs /

noun

  1. the inactive form of a virus in a host cell

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of provirus

1945–50; pro- 1 + virus, on the model of prophage

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

We looked for sequences that matched each HML-2 provirus in the genome and found 37 different HML-2 proviruses that were still active.

From Scientific American Oct. 19, 2022

Viruses insert their genomes into their hosts in the form of a provirus.

From Scientific American Oct. 19, 2022

Furthermore, each tissue sample also contained genetic material from at least one provirus that could still produce viral proteins.

From Scientific American Oct. 19, 2022

If this is so, it will be the first instance of such a provirus among higher animals.

From Time Magazine Archive

A provirus could be passed from one sheep to another by inoculation.

From Time Magazine Archive

Even now, some of its proviruses within the human genome still retain the ability to make viral proteins.

From Scientific American Oct. 19, 2022

We looked for sequences that matched each HML-2 provirus in the genome and found 37 different HML-2 proviruses that were still active.

From Scientific American Oct. 19, 2022

All 54 tissue samples we analyzed had some evidence of activity of one or more of these proviruses.

From Scientific American Oct. 19, 2022

Independently, Lillian Cohn, an immunologist at the Fred Hutchinson Cancer Research Center, made a similar finding: In people on ARVs for between 4 and 21 years, HIV proviruses were preferentially integrated in certain ZNF genes.

From Science Magazine Jan. 12, 2022

In both kinds of regions, the DNA is more tightly packed than elsewhere in the human genome, making proviruses less accessible to factors that drive transcription.

From Science Magazine Jan. 12, 2022

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