title: Bacterial endosymbiosis in Paramecium aurelia: bacteriophage-like inclusions in a kappa symbiont.
mesh_terms: D000818:Animals; D001419:Bacteria; D001435:Bacteriophages; D003593:Cytoplasm; D005508:Food Deprivation; D007181:Inclusion Bodies, Viral; D008854:Microscopy, Electron; D010247:Paramecium / Q000254:growth & development; D013559:Symbiosis