title: Fractionation of microbial DNA strands on poly I-coated kieselguhr.
mesh_terms: D002499:Centrifugation, Density Gradient; D002846:Chromatography, Affinity; D003016:Clostridium perfringens; D003090:Coliphages; D003597:Cytosine Nucleotides; D004269:DNA, Bacterial / Q000032:analysis / Q000302:isolation & purification*; D004277:DNA, Single-Stranded / Q000302:isolation & purification; D004279:DNA, Viral; D003854:Deoxyribonucleotides / Q000032:analysis; D004926:Escherichia coli; D007292:Inosine Nucleotides; D008722:Methods; D008832:Microchemistry; D008837:Micrococcus; D009691:Nucleic Acid Denaturation; D009693:Nucleic Acid Hybridization; D009695:Nucleic Acid Renaturation; D011119:Polynucleotides; D012260:Ribonucleases; D012822:Silicon Dioxide; D013696:Temperature; D014316:Tritium
chemical_list: D003597:Cytosine Nucleotides; D004269:DNA, Bacterial; D004277:DNA, Single-Stranded; D004279:DNA, Viral; D003854:Deoxyribonucleotides; D007292:Inosine Nucleotides; D011119:Polynucleotides; D014316:Tritium; D012822:Silicon Dioxide; D012260:Ribonucleases