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RNA Viruses
Micro 701 Exam 1
Envelope present | RNA structure | Envelope Present | RNA structure | Medically Important Viruses |
---|---|---|---|---|
Picornavirus | icosahedral | No | SS linear (+) non-segmented | Polio, rhinovirus, Hep A |
Calcivirus | icosahedral | No | SS linear (+) non-segmented | Norwalk virus (cruise ship virus) Hep E |
Reovirus | icosahedral | No | DS linear, 10 segments | Reovirus, rotavirus |
Astrovirus | icosahedral | No | SS, (+) non-segmented | Self-limiting acute diarrhea (common to kids) |
Alphavirus | icosahedral | Yes | SS, (+) non-segmented | Western equine encephalitis, VEE, EEE, Rubella |
Orthomyxovirus | helical | Yes | SS linear, 8 segments, (-) | Influenza virus, common cold |
Paramyxovirus | helical | Yes | SS linear, (-) non-segmented | Measles virus, mumps virus |
Rhabdovirus | helical | Yes | SS linear (-) non-segmented | Rabies |
Filovirus | helical | Yes | SS linear, (+) non-segmented | Ebola virus, Marburg virus |
Coronavirus | helical | Yes | SS linear, (+) nonsegmented | Coronavirus, SARS |
Arenavirus | helical | Yes | SS circular, 2 segments w/cohesive ends (-, ambisense) | Lymphocytic choriomeningitis, Lassa Fever |
Flavivirus | icosahedral | Yes | SS linear (+) non-segmented | Yellow Fever virus, dengue virus, Hep C, West Nile |
Togavirus | icosahedral | Yes | SS linear, (+) nonsegmented | Rubella virus |
Bunyavirus | helical | Yes | SS circular (-) 3 segments | Hantaan virus, Korean hemorrhagic fever, Lacrosse Fever, Rift Valley Fever |
retrovirus | icosahedral | Yes | SS (+) 2 segments | HIV, HTLV-I, HTLV-II |