Spumavirus
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Spumavirus |
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Scientific classification | ||
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A spumavirus or foamyvirus is a genus of the retroviridae family. Spumaviruses are exogenous viruses that have specific morphology with prominent surface spikes. The virions contain significant amounts of double-stranded full-length DNA. The virion assembly is unusual - the envelope membrane is acquired usually by budding through the endoplasmatic reticulum, though eg. the equine foamy virus (EFV) buds from cytoplasmic membrane.
Examples are the chimpanzee foamy virus, simian foamy virus and the human foamy virus.
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Lentivirus (HIV, SIV, FIV) - Spumavirus (SFV, HFV)
Alpharetrovirus (Avian leucosis virus, Rous sarcoma virus) - Betaretrovirus (Mouse mammary tumour virus) - Gammaretrovirus (Murine leukemia virus, Abelson murine leukemia virus, Feline leukemia virus) - Deltaretrovirus (Human T-lymphotropic virus) - Epsilonretrovirus