title: Mutagenicity of nitropyrenes for Escherichia coli: requirement for increased cellular permeability.
abstract: Nitropyrenes are mutagenic to E. coli strains that have increased permeabilities to large molecules and carry plasmid pKM101.
mesh_terms: D002463:Cell Membrane Permeability; D004926:Escherichia coli / Q000235:genetics* / Q000378:metabolism; D009152:Mutagenicity Tests; D009153:Mutagens; D010957:Plasmids; D011721:Pyrenes / Q000378:metabolism / Q000633:toxicity*
chemical_list: D009153:Mutagens; D011721:Pyrenes; C033310:1,8-dinitropyrene; C033309:1,6-dinitropyrene; C037413:1,3-dinitropyrene; C032668:1-nitropyrene