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Virology > Circoviridae > Flashcards

Circoviridae Flashcards

1
Q

Morphology

A

circular ssDNA
20nm icosahedral capsid
non enveloped

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2
Q

Resistance

A

very strong

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3
Q

Biological properties

A

Baltimore II - cellular polymerase

Multiplication in dividing cells → bone marrow cells, leukocytes - immunosuppressant

germinative infections
stenoxen

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4
Q

Diagnosis

A

PCR
IF (leukocytes
Isolation: dividing cells, embryo
Serology: ELISA

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5
Q

Genus

A

Circovirus genus

Gyrovirus genus

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6
Q

Antigenetic properties

A

good antigens ↔ immunosuppression

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7
Q

Gyrovirus genus

A

Chicken infectious anemia

- anemia, immunosuppression

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8
Q

Circovirus genus

A

Porcine circovirus – PCV-1; PCV-2: PMWS, PDNS
- wasting, hemorrhage, immunosuppression

Beak and feather disease virus

  • parrots
  • beak and feather deformities, immunosuppression

Goose circovirus
- immunosuppression

Canary, pigeon, mallard duck, muskovy duck circoviruses

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9
Q

What does Circoviridae mean?

A

(circus - circle)

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Virology (29 decks)

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