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retrovirus Definition

retro·vi·rus (re′trō vī′rəs)

noun

any of a family (Retroviridae) of RNA viruses which have a virion that makes reverse transcriptase, including the viruses that cause leukemia and AIDS

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retrovirus Usage Examples

Converse of object

  • use: Transgenic poultry have been created using retroviruses carrying copies of the DNA coding for a new gene.
  • isolate: In the US, Dr. Robert Gallo isolates the retrovirus called HTLV-III which is also believed to cause AIDS.
  • call: In the US, Dr. Robert Gallo isolates the retrovirus called HTLV-III which is also believed to cause AIDS.
  • transform: This discovery was followed by many other examples of acutely transforming retroviruses, together with the structural characterization of the viruses involved.
  • know: The newer vectors are based on a sub-group of retroviruses known as lentiviruses.

Adjective modifier

  • endogenous: However in pigs perception of risk from endogenous retrovirus is likely to inhibit progress.
  • porcine: In particular, much research is being carried out on a family of viruses called porcine endogenous retroviruses.
  • human: In 1984 the cause of AIDS was shown to be the third human retrovirus.
  • other: Robin Weiss stressed that virus adaptation or recombination with other retroviruses in the new host cannot be dismissed.
  • simian: One report indicates that a simian retrovirus akin to HIV has crossed the species barrier to human hunters.

Modifies a noun

  • gene: The product is based on a highly engineered retrovirus gene delivery system expressing a specific human cytochrome P450 gene.
  • system: The product is based on a highly engineered retrovirus gene delivery system expressing a specific human cytochrome P450 gene.
  • vector: Silencing of gene expression: implications for design of retrovirus vectors.
  • infection: Animal origins of human T cell leukemia virus Benefits of retrovirus infection?
  • delivery: The product is based on a highly engineered retrovirus gene delivery system expressing a specific human cytochrome P450 gene.
  • genome: Retrovirus genomes have 4 unique features: They are the only viruses which are truly diploid.

Noun used with modifier

  • pig: Two or three distinct pig retroviruses can infect some human cells in culture.
  • animal: There are multiple animal retroviruses and other harmful agents found in animal donor organs and cells.

Preposition: in

ease: They have similar features to retroviruses in the ease of manipulation, predictable integration and reliable gene expression and regulation.

Preposition: from

patient: Isolation of retrovirus from two patients with " common variable " hypogammaglobulinaemia.