title: Isolation and composition of bacteriophage-like particles from kappa of killer Paramecia.
mesh_terms: D001426:Bacterial Proteins / Q000032:analysis; D001435:Bacteriophages / Q000032:analysis*; D002499:Centrifugation, Density Gradient; D003594:Cytoplasmic Granules / Q000032:analysis; D004269:DNA, Bacterial / Q000032:analysis; D004279:DNA, Viral / Q000032:analysis; D003720:Densitometry; D005827:Genetics, Microbial; D006651:Histocytochemistry; D008854:Microscopy, Electron; D010247:Paramecium / Q000032:analysis*; D013045:Species Specificity; D014465:Ultrasonics; D014764:Viral Proteins / Q000032:analysis
chemical_list: D001426:Bacterial Proteins; D004269:DNA, Bacterial; D004279:DNA, Viral; D014764:Viral Proteins