| molecular typing of escherichia coli strains isolated from food in casablanca (morocco). | serotyping of o- and h- antigens is regarded as the gold standard in classification of e. coli for taxonomic and epidemiological purposes similar to the kaufmann-white scheme for salmonella enterica. molecular methods to replace or to support the serotyping were recently applied. using the molecular polymorphism of the somatic (o- antigen) gene rfb cluster and flagella (h- antigen) gene flic, 74 e. coli strains carrying the virulent genes isolated from food were characterised by polymerase chain ... | 2009 | 19656466 |