title: Marked enhancement of diplococcus pneumoniae competence for transformation by tryptic peptides of casein.
mesh_terms: D002364:Caseins; D003470:Culture Media; D010455:Peptides / Q000494:pharmacology; D013296:Streptococcus pneumoniae / Q000187:drug effects / Q000254:growth & development; D014170:Transformation, Genetic; D014357:Trypsin
chemical_list: D002364:Caseins; D003470:Culture Media; D010455:Peptides; D014357:Trypsin