Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Virus Families 1.Single-stranded DNA, nonenveloped viruses, polyhedral capsid.

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Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Virus Families 1.Single-stranded DNA, nonenveloped viruses, polyhedral capsid Size: nm Parvoviridae Human parvovirus gastroenterities

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings 2. Double-stranded DNA, nonenveloped viruses Polyhedral capsid Size: nm Adenoviruses Respiratory infections in humans Tumors in animals

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings 2`.Double-stranded DNA, nonenveloped viruses Polyhedral capsid Size: nm Papillomavirus (human wart virus) Polyomavirus Cause tumors, some cause cancer

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings 3. Double-stranded DNA, enveloped viruses Size: nm Orthopoxvirus (vaccinia and smallpox viruses) Molluscipoxvirus Smallpox, molluscum contagiosum, cowpox

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Polyhedral capsid Size: nm Simplexvirus (HHV1 and HHV 2) Varicellavirus (HHV 3) Lymphocryptovirus (HHV 4) Cytomegalovirus (HHV 5) Roseolovirus (HHV 6) HHV 7 Kaposi's sarcoma (HHV 8) Some herpesviruses can remain latent in host cells 4. Double-stranded DNA, enveloped viruses

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings 4`.Double-stranded DNA, enveloped viruses Size: 42 nm Hepadnavirus (Hepatitis B virus) Use reverse transcriptase to produce DNA from mRNA

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings 5. Single-stranded RNA, + strand, nonenveloped Polyhedral capsid Size: nm Enterovirus Enteroviruses include poliovirus and coxsackievirus Rhinovirus Hepatitis A virus

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings 6. (+)Single-stranded RNA, enveloped Usually polyhedral capsid. Size: nm Arboviruses Eastern and western equine encephalitis Rubivirus (rubella virus)

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings 6`. (+)Single-stranded RNA, enveloped Size: nm Flaviviruses can replicate in arthropods; include yellow fever, dengue, SLE, and West Nile viruses Hepatitis C virus

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings 6``.(+)Single-stranded RNA, enveloped Size: nm Coronavirus Upper respiratory infections Common cold; SARS

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings 7.(-)Single-stranded RNA, enveloped Bullet-shaped Size: nm Vesiculovirus Lyssavirus (rabies virus) Cause numerous animal diseases

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings 7`.(-)Single-stranded RNA,enveloped Long and filamentous Size: nm Filovirus Enveloped, helical viruses Ebola and Marburg viruses

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings 7``.(-)Single-stranded RNA, enveloped Size: nm Paramyxovirus Morbillivirus Paramyxovirus causes parainfluenza, mumps and measles disease

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Size: nm Influenza virus A, B and C) Influenza C virus Envelope spikes can agglutinate RBCs 8. (-)Strand, multiple RNA strands, enveloped

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Size: nm California encephalitis virus (encephalitis) Hantaviruses (Hantavirus pulmonary syndrom) 8`. (-)Strand, multiple RNA strands, enveloped

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Arenavirus Size: nm Helical capsids contain RNA- containing granules Lymphocytic choriomeningitis Fever 8``. (-)Strand, multiple RNA strands, enveloped

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Bullet-shaped or polyhedral capsid Size: nm Lentivirus (HIV) Oncogenic viruses Use reverse transcriptase to produce DNA from viral genome Includes all RNA tumor viruses 9. (+)Single-stranded RNA, produce DNA, enveloped

Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings 10. Ds RNA, nonenveloped Polyhedral capsid Size: nm Reovirus (Respiratory Enteric Orphan) Rotavirus Mild respiratory infections and gastroenteritis Colorado tick fever