Filo-, Rhabdo- Flashcards

1
Q

Rhabdo-: Etymology

A

Rhabdos-: Rod, stick → Plant rhabdoviruses

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2
Q

Rhabdo-: Morphology

A
  • -ssRNA genome
  • Helical capsid
  • Enveloped
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3
Q

Rhabdo-: Resistance

A

Weak

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4
Q

Rhabdo-: Biological properties

A
  • Baltimore V - Viral transcriptase
  • Zoonotic
  • Cell-bound infection, thermosensitive
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5
Q

Rhabdo-: Antigenic properties

A
  • Good antigens
  • Cross-reaction within genera
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6
Q

Rhabdo-: Diagnosis

A
  • Isolation
  • IF
  • Experimental infection
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7
Q

Rhabdo-: Genuses

A
  • Vesiculo-
  • Lyssa-
  • Ephemero-
  • Novirhabdo-
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8
Q

Vesiculo-: Examples

A
  • Vesicular stomatitis virus
  • Spring viraemia
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9
Q

Lyssa-: Examples

A
  • Rabies
    • Urban
    • Sylvatic
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10
Q

Ephemero-: Example

A

Bovine ephemeral fever

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11
Q

Novirhabdo-: Examples

A
  • Viral hemorrhagic septicaemia (trout)
  • Infectious haematopoietic necrosis (salmon)
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12
Q

Filo-: Etymology

A

Filum: Thread

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13
Q

Filo-: Morphology

A
  • -ssRNA genome
  • Helical capsid
  • Enveloped
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14
Q

Filo-: Resistance

A

Weak

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15
Q

Filo-: Biological properties

A
  • Baltimore V - Viral transcriptase
  • Zoonotic
  • CPEs: Cytoplasmic inclusion bodies
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16
Q

Filo-: Antigenic properties

A
  • Good antigens
  • Cross-reaction within genera
17
Q

Filo-: Genuses

A
  • Marburg-
  • Ebola-
18
Q

Ebolavirus

A

Human

  • Severe haemorrhage
  • Encephalitis
  • High mortality

Reston virus: Orphan virus

19
Q

Marburgvirus

A

Monkey → Human

  • Fever
  • Meningoencephalitis
20
Q

Vesicular stomatitis virus

A

Human, ungulates

  • Foot and mouth (FMD)
21
Q

Spring viraemia

A

Carp

  • Haemorrhage
  • Ascites

Only in cold water

22
Q

Rabies

A

Serotypes: CVS, Lagos bat, mokola, duvengagem European bat

  • Neuroinvasive:
    • Lethal encephalitis
    • Behavioural changes
23
Q

Urban rabies

A

Transfer of rabies from Dogs → Humans

24
Q

Sylvatic rabies: Species

A
  • Fox
  • Wolf
  • Racoon
  • Bat
25
Q

Rabies: Accidental hosts

A
  • Cat
  • Horse
  • Sheep
  • Cattle
26
Q

Bovine ephemeral fever

A

Bovine

  • Short fever
  • Milk production decrease
  • Mosquito-transmitted