title: Characterization of Aleutian disease virus as a parvovirus.
abstract: We characterized a strain of Aleutian disease virus adapted to growth in Crandall feline kidney cells at 31.8 degrees C. When purified from infected cells, Aleutian disease virus had a density in CsCl of 1.42 to 1.44 g/ml and was 24 to 26 nm in diameter. [3H]thymidine could be incorporated into the viral genome, and the viral DNA was then studied. In alkaline sucrose gradients, Aleutian disease virus DNA was a single species that cosedimented at 15.5S with single-stranded DNA from adeno-associated virus. When the DNA was analyzed on neutral sucrose gradients, a single species was again observed, which sedimented at 21S and was clearly distinct from 16S duplex adeno-associated virus DNA. A similar result was obtained even after incubation under annealing conditions, implying that the bulk of Aleutian disease virus virions contained a single non-complementary strand with a molecular weight of about 1.4 X 10(6). In addition, two major virus-associated polypeptides with molecular weights of 89,100 and 77,600 were demonstrated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis of virus purified from infected cultures labeled with [35S]methionine. These data suggest that Aleutian disease virus is a nondefective parvovirus.
mesh_terms: D000454:Aleutian Mink Disease Virus / Q000032:analysis / Q000145:classification*; D000818:Animals; D002478:Cells, Cultured; D004279:DNA, Viral / Q000032:analysis; D008907:Mink; D008970:Molecular Weight; D010321:Parvoviridae / Q000145:classification*; D014764:Viral Proteins / Q000032:analysis / Q000096:biosynthesis; D014713:Viruses, Unclassified / Q000145:classification*
chemical_list: D004279:DNA, Viral; D014764:Viral Proteins