Polyomaviridae Flashcards
polyoma meaning
poly-many
oma-tumour
morphology
circular dsDNA
icosahedral capsid
no envelope
Does it have an envelope?
NO
resistance
strong 56°C 30 min pH 3 lipid solvents
Bio properties
Baltimore I. – cellular transcriptase
oncogenic – SV40 model virus
Genus
Polyomavirus
….borne?
airborne
latency
integrates into genome-provirus
causes
persistent infection of the kidney-viruria
into cell cultures
microtumors
haemmaglutination
diagnosis
IF, EM, HAI
NA-hybridization, PCR
polyoma genus
Murine polyomavirus Simian polyomavirus SV40 Bovine polyomavirus Goose polyomavirus Budgerigar fledgling disease virus BK virus JC virus
Murine polyoma (A sp.)
lab mice
Simian Polyoma (A sp.)
monkey-tumours, rondents
Goose Polyoma (dis)
nephritis
BK, JC virus (A sp.)
human
BK virus (dis)
80-100% seropositivity
no clin symptoms or mild resp dis
nephropathy in kidney transplant patients
JC virus (dis)
50-90% seroposivity
generally no clin signs
Progressive multifocal leucoencephalopathy