Circoviridae Flashcards
Circoviridae (meaning)
circus=circle
Morphology
circular ssDNA
icosahedral capsid
non enveloped
Resistance
very strong
60°-60min
Ph- 5-9
Biological properties
cellular polymerase - multiplication in dividing cells
→ bone marrow cells, leukocytes - immunosuppressant
germinative infections
stenoxen
Antigenic properties
good antigens ↔ immunosuppression
Diagnosis
isolation: dividing cells, embryo
IF (leukocytes)
Serology: ELISA
Circovirus genus (dis)
Porcine circovirus
Beak and Feather disease virus
Goose circovirus
Canary, pigeon, mallard duck, Muscovy duck circoviruses
Circovirus genus (A sp)
swine
birds
Porcine Circovirus
wasting, hemorrhage, immunosuppression
Beak and Feather disease virus
parrots
beak and feather deformities, immunosuppression
Goose circovirus
Immunosuppresion