Virus
betaretrovirus
Subclass of:
Retroviridae
Definitions related to betaretrovirus:
  • A genus of single-stranded, reverse-transcribing RNA retroviruses with type B or type C morphology. It is the genus to which the mouse mammary tumor virus (MMTV) belongs.
    NCI
    U.S. National Cancer Institute, 2021
  • A genus of the family RETROVIRIDAE consisting of viruses with either type B or type D morphology. This includes a few exogenous, vertically transmitted and endogenous viruses of mice (type B) and some primate and sheep viruses (type D). MAMMARY TUMOR VIRUS, MOUSE is the type species.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Genus of the family retroviridae consisting of viruses with either type B or type D morphology; includes a few exogenous, milk transmitted and endogenous viruses of mice; associated with mammary carcinoma and T- lymphoma.
    CRISP Thesaurus
    National Institutes of Health, 2006
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