Circoviridae Flashcards

1
Q

Circoviridae (meaning)

A

circus=circle

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2
Q

Morphology

A

circular ssDNA
icosahedral capsid
non enveloped

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3
Q

Resistance

A

very strong
60°-60min
Ph- 5-9

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4
Q

Biological properties

A

cellular polymerase - multiplication in dividing cells
→ bone marrow cells, leukocytes - immunosuppressant
germinative infections
stenoxen

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5
Q

Antigenic properties

A

good antigens ↔ immunosuppression

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6
Q

Diagnosis

A

isolation: dividing cells, embryo
IF (leukocytes)
Serology: ELISA

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7
Q

Circovirus genus (dis)

A

Porcine circovirus
Beak and Feather disease virus
Goose circovirus
Canary, pigeon, mallard duck, Muscovy duck circoviruses

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8
Q

Circovirus genus (A sp)

A

swine

birds

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9
Q

Porcine Circovirus

A

wasting, hemorrhage, immunosuppression

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10
Q

Beak and Feather disease virus

A

parrots

beak and feather deformities, immunosuppression

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11
Q

Goose circovirus

A

Immunosuppresion

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