FRACTIONATION OF PNEUMOCOCCAL DNA FOLLOWING SELECTIVE HEAT DENATURATION: ENRICHMENT OF TRANSFORMING ACTIVITY FOR AMINOPTERIN RESISTANCE.
D000630:Aminopterin; D005591:Chemical Fractionation; D004247:DNA; D004269:DNA, Bacterial; D004352:Drug Resistance, Microbial; D005823:Genetics; D006358:Hot Temperature; D012106:Research; D013296:Streptococcus pneumoniae
D004269:DNA, Bacterial; D004247:DNA; D000630:Aminopterin
AMINOPTERIN; DIPLOCOCCUS PNEUMONIAE; DNA, BACTERIAL; DRUG RESISTANCE, MICROBIAL; EXPERIMENTAL LAB STUDY; GENETICS; HEAT