title: Physicochemical characterization of adeno-associated satellite virus type 4 and its nucleic acid.
abstract: Based on protein, deoxyribonucleic acid (DNA), and phosphorus analyses, adeno-associated satellite virus type 4 has a DNA content of 26.5%, significantly larger than type 1 which contains 18.9% DNA. Type 4 DNA contains 58 to 62% guanine + cytosine, as calculated from thermal denaturation temperature and buoyant density measurements. Simian adenovirus SV15, which serves as a helper virus for type 4 satellite, contains 13.7% DNA with a guanine + cytosine content of 55 to 57%. The DNA extracted from type 4 satellite virus is a linear, double-stranded molecule, as shown by thermal denaturation temperature profile measurements and by electron microscopy. The contour length and sedimentation coefficient of type 4 DNA indicate a molecular weight of 3.0 x 10(6) daltons.
mesh_terms: D000256:Adenoviridae; D000818:Animals; D002501:Centrifugation, Zonal; D046508:Culture Techniques; D003588:Cytopathogenic Effect, Viral; D004267:DNA Viruses; D004279:DNA, Viral / Q000032:analysis*; D003673:Defective Viruses; D000882:Haplorhini; D006378:Helper Viruses; D007668:Kidney; D008854:Microscopy, Electron; D010758:Phosphorus / Q000032:analysis; D012526:Satellite Viruses; D014764:Viral Proteins / Q000032:analysis
chemical_list: D004279:DNA, Viral; D014764:Viral Proteins; D010758:Phosphorus