Isolation and characterization of two types of bluetongue virus particles.

Animals Autoradiography Bluetongue/microbiology Carbon Isotopes Centrifugation, Density Gradient DNA-Directed RNA Polymerases/metabolism Electrophoresis, Polyacrylamide Gel L Cells/microbiology Mice Microscopy, Electron Molecular Weight Peptides/analysis Phosphorus Isotopes RNA Viruses/analysis,enzymology,growth & development,isolation & purification,pathogenicity RNA, Viral/analysis Sheep Sheep Diseases/microbiology Spectrophotometry Tritium Viral Proteins/analysis Virus Diseases/veterinary

Carbon Isotopes Peptides Phosphorus Isotopes RNA, Viral Viral Proteins Tritium DNA-Directed RNA Polymerases