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BACKGROUND AND AIM: ). METHODS: genes by conventional PCR, detection of efflux mechanisms using Carbonyl Cyanide 3-Chlorophenylhydrazone (CCCP), studying outer membrane protein profile and Lipopolysaccharide (LPS) profile of resistant isolates. RESULTS: positive strains and susceptible strains. CONCLUSION: strains isolated from Egypt that may result in untreatable infections. Our finding makes it urgent to avoid unnecessary clinical use of colistin.
El-Baky et al. (Sat,) studied this question.