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DNA viruses > Viruses and their characteristics > Flashcards

Viruses and their characteristics Flashcards

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Biology 101 flashcards
1
Q

What are the icosahedral RNA viruses?

A

Reoviridae, Caliciviridae, Picornaviridae, Flaviviridae, Togaviridae and Retroviridae.

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2
Q

What are the helical RNA viruses?

A

Coronaviridae, Filoviridae, Rhabdoviridae, Bunyaviridae, Orthomyxoviridae and Paramyxoviridae.

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3
Q

What are your enveloped RNA viruses?

A

All the helical RNA viruses are enveloped:

Coronaviridae, Filoviridae, Rhabdoviridae, Bunyaviridae, Orthomyxoviridae and Paramyxoviridae.

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4
Q

What are your naked, icosahedral RNA viruses?

A

Reoviridae, Caliciviridae and Picornaviridae.

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5
Q

What are your enveloped, icosahedral RNA viruses?

A

Retroviridae, Flaviviridae and Togaviridae.

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6
Q

What is the structure of Reoviruses?

A
  • Icosahedral capsid
  • Naked viruses
  • dsRNA genome
  • Carry a virion polymerase
  • 22-27 kb in size
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7
Q

What is the structure of the Caliciviridae?

A
  • Icosahedral capsid
  • Naked viruses
  • (+)ssRNA continuous genome
  • 8 kb in size
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8
Q

What is the structure of the Picornaviridae?

A
  • Icosahedral capsid
  • Naked viruses
  • (+)ssRNA continuous genome
  • 7.2-8.4 kb in size
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9
Q

What is the structure of the Flaviviridae?

A
  • Icosahedral capsid
  • Enveloped viruses
  • (+)ssRNA continuous genome
  • 10 kb in size
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10
Q

What is the structure of the Togaviridae?

A
  • Icosahedral capsid
  • Enveloped
  • (+)ssRNA continuous genome
  • 12 kb in size
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11
Q

What is the structure of the Retroviridae?

A
  • Icosahedral capsid
  • Enveloped
  • (+)ssRNA x 2 copies
  • Virion polymerase (RNA dependent DNA polymerase)
  • 3.5-9 kb in size
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12
Q

What is the structure of the Coronaviridae?

A
  • Helical capsid
  • Enveloped
  • (+)ssRNA continuous genome
  • 16-21 kb in size
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13
Q

What is the structure of the Filoviridae?

A
  • Helical capsid
  • Enveloped
  • (-)ssRNA continuous genome
  • Has a virion polymerase
  • 12.7 kb in size
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14
Q

What is the structure of the Rhabdoviridae?

A
  • Helical capsid
  • Enveloped
  • (-)ssRNA continuous genome
  • Has a virion polymerase
  • 13-16 kb in size
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15
Q

What is the structure of the Bunyaviridae

A
  • Helical capsid
  • Enveloped
  • (-)ssRNA segmented genome
  • Has a virion polymerase
  • 13.5-21 kb in size
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16
Q

What is the structure of the Orthomyxoviridae?

A
  • Helical capsid
  • Enveloped
  • (-)ssRNA segmented genome (8)
  • Has a virion polymerase
  • 13.6 kb in size
17
Q

What is the structure of the Paramyxoviridae?

A
  • Helical capsid
  • Enveloped
  • (-)ssRNA continuous genome
  • Has a virion polymerase
  • 16-20 kb in size
18
Q

What are your DNA viruses?

A

They include Parvo, Papova, Adeno, Hepadna, Herpes and Pox.

19
Q

What are your icosahedral DNA viruses?

A

Parvo, Papova, Adeno, Hepadna and Herpes.

20
Q

What is the structure of the Poxvirus?

A

No it is complex, enveloped (cytoplasmic) and contains dslinear DNA (X linked).

21
Q

What are your naked, icosahedral viruses?

A

Parvovirus, Papovavirus, Adenovirus.

22
Q

What are your enveloped, icosahedral viruses?

A

Hepadna and Herpes.

23
Q

What is the structure of the Parvoviridae?

A

This is sslinear DNA that can be - or +and there is no virion polymerase. It is 5 kb in size.

24
Q

What is the structure of the Papovaviridae?

A

It is dscircular DNA, does not have a virion polymerase and is 5-8 kb in size.

25
Q

What is the structure of the Adenovirus?

A

It is dslinear DNA that, does not have a virion polymerase and is 36-38kb.

26
Q

What is the structure of the Hepadnavirus?

A

It is ds-circle gapped DNA that does contain a virion polymerase and is 3.2 kb in size.

27
Q

What is the structure of the Herpesvirus?

A

It is ds linear DNA, does not contain a virion polymerase and is 120-200 kb in size.

28
Q

What are examples of the Papovaviruses?

A

SV40 and HPV.

29
Q

What are examples of the Retroviruses?

A

HIV and HBV uses reverse transcriptase as well.

30
Q

What are examples of Paramyxoviridae?

A

Measles and mumps.

DNA viruses (10 decks)

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