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retrovirus
[ re-truh-vahy-ruhs, re-truh-vahy- ]
noun
, plural ret·ro·vi·rus·es.
- any of a family of single-stranded RNA viruses having a helical envelope and containing an enzyme that allows for a reversal of genetic transcription, from RNA to DNA rather than the usual DNA to RNA, the newly transcribed viral DNA being incorporated into the host cell's DNA strand for the production of new RNA retroviruses: the family includes the AIDS virus and certain oncogene-carrying viruses implicated in various cancers.
retrovirus
/ ˈrɛtrəʊˌvaɪrəs /
noun
- any of several viruses whose genetic specification is encoded in RNA rather than DNA and that are able to reverse the normal flow of genetic information from DNA to RNA by transcribing RNA into DNA: many retroviruses are known to cause cancer in animals
retrovirus
/ rĕt′rō-vī′rəs /
- Any of a group of RNA viruses whose RNA is used as a template inside a host cell for the formation of DNA by means of the enzyme reverse transcriptase. The DNA thus formed is inserted into the host cell's genome. Most retroviruses can cause cancer. Retroviruses also include HIV.
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Derived Forms
- ˈretroˌviral, adjective
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Other Words From
- retro·viral adjective
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Word History and Origins
Origin of retrovirus1
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Example Sentences
He was part of the groundbreaking team that first discovered a retrovirus causes AIDS.
From The Daily Beast
Instead of using a retrovirus (as Japanese scientists had done) that can cause cancer, they are using an adenovirus which is safe.
From The Daily Beast
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