title: The number of rRNA genes in Escherichia coli.
mesh_terms: D004262:DNA Restriction Enzymes; D004926:Escherichia coli / Q000032:analysis*; D005796:Genes; D008970:Molecular Weight; D009693:Nucleic Acid Hybridization; D012335:RNA, Ribosomal / Q000302:isolation & purification
chemical_list: D012335:RNA, Ribosomal; D004262:DNA Restriction Enzymes