title: Conditional mutations affecting the cell envelope of Escherichia coli K-12.
mesh_terms: D002462:Cell Membrane; D004926:Escherichia coli / Q000166:cytology*; D005827:Genetics, Microbial; D009154:Mutation; D012260:Ribonucleases; D013696:Temperature; D014161:Transduction, Genetic
chemical_list: D012260:Ribonucleases