Classification of viruses Flashcards
Criteria for classifying virus
- Virus genome properties
- Virion morphology
- Physico-chemical properties
Others
Host
Pathogenicity
Ecological criteria
Match virus order, family, subfamily, genus in taxonomy
Order- VIRALE
Family- VIRIDAE
Subfamily- VIRIAE
Genus, Species- VIRUS
How many DNA families in humans
7
How many RNA families in humans
14
List the DNA viruses
Parvoviridae
Polyomaviruses
Papillomaviridae
Adenoviridae
Hepadnaviridae
Herpesviridae
Poxviridae
The only single stranded DNA virus
Parvoviridae
The DNA virus with the smallest genome size
Hepadnavirus (3.2 kbp)
Examples of Herpesviridae
Varicella-Zoster virus
Human Cytomegalovirus
Examples of Polyomaviruses
JC virus, BK virus
The DNA virus with the largest genome size
Poxviridae (130-375 kbp)
Example of Hepadnavirus
HBV
5 genus of Herpesviridae
Simplex virus
Varicello virus
Cytomegalovirus
Roseolovirus
Lymphocrypto virus
Genus of Papovaviridae (2)
Papilloma
Polyoma
Genus of Parvoviridae (3)
Parvovirus
Erythrovirus
Dependovirus
Genus of Poxviridae (4)
Orthopox
Suispox
Avipox
Mollusci pox