title: Destruction of low efficiency markers is a slow process occurring at a heteroduplex stage of transformation.
mesh_terms: D004269:DNA, Bacterial; D005827:Genetics, Microbial; D005838:Genotype; D009154:Mutation; D013296:Streptococcus pneumoniae; D013696:Temperature; D014170:Transformation, Genetic
chemical_list: D004269:DNA, Bacterial