title: Extraction of polysomes from Escherichia coli without use of detergent.
mesh_terms: D002458:Cell Fractionation / Q000379:methods; D002501:Centrifugation, Zonal / Q000379:methods; D003902:Detergents; D004926:Escherichia coli / Q000648:ultrastructure*; D005615:Freezing; D011132:Polyribosomes / Q000648:ultrastructure*; D012270:Ribosomes / Q000648:ultrastructure; D013104:Spheroplasts / Q000648:ultrastructure
chemical_list: D003902:Detergents