title: Plaque formation by strains of spotted fever rickettsiae in monolayer cultures of various cell types.
abstract: Some strains of spotted fever rickettsiae could be distinguished by their ability or inability to form plaques in monolayer cultures of various mammalian and avian cell types.
mesh_terms: D002460:Cell Line; D012281:Rickettsia / Q000302:isolation & purification* / Q000472:pathogenicity; D012284:Rickettsia rickettsii / Q000302:isolation & purification / Q000472:pathogenicity; D010948:Viral Plaque Assay