title: Appearance of new biological properties in populations of protista cells possibly transfected with the genome of an animal virus.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D003090:Coliphages; D004279:DNA, Viral; D004926:Escherichia coli; D007700:Kinetics; D009174:Mycoplasma; D009522:Newcastle disease virus; D012367:RNA, Viral; D013302:Streptomyces; D014170:Transformation, Genetic; D014616:Vaccinia virus
chemical_list: D004279:DNA, Viral; D012367:RNA, Viral