title: Genetic transformation of T4r IIB-638 phage induced by deoxyribonucleic acid of the T4R+ phage. XIV. Two types of competence of the lysozyme spheroplasts of Escherichia coli BB.
mesh_terms: D002501:Centrifugation, Zonal; D003090:Coliphages; D004267:DNA Viruses; D004279:DNA, Viral; D004926:Escherichia coli / Q000166:cytology / Q000201:enzymology; D009113:Muramidase / Q000302:isolation & purification*; D013104:Spheroplasts / Q000302:isolation & purification*; D014170:Transformation, Genetic
chemical_list: D004279:DNA, Viral; D009113:Muramidase