title: Generation time-prolonging R plasmids: correlation between increases in the generation time of Escherichia coli caused by R plasmids and their molecular size.
mesh_terms: D004269:DNA, Bacterial / Q000032:analysis*; D004587:Electrophoresis, Agar Gel; D004926:Escherichia coli / Q000235:genetics* / Q000254:growth & development*; D008970:Molecular Weight; D010641:Phenotype; D011815:R Factors; D013997:Time Factors
chemical_list: D004269:DNA, Bacterial