Molecular typing of Escherichia coli strains isolated from food in Casablanca (Morocco).
[No authors listed]
摘要
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 reaction-restriction fragment length polymorphism (PCR-RFLP). The results showed that 49 (66%) of the isolates revealed a reproducible and clear cut classification, with a very good correlation to the collection of reference strains, were found.
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基因功能
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原始数据
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文献解读
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