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AIM: The ISAba1 insertion sequence supports the overexpression of various oxacillinases genes by providing promoter and therefore, confers carbapenem resistance. The study aimed to determine the clonal diversity, genetic attributes of carbapenem resistance and the role of ISAba1 in the expression of oxacillinases genes among Acinetobacter baumannii clinical isolates. MATERIALS & METHODS: PCR was performed to amplify various antimicrobial resistance determinants and ISAba1 insertion elements in 137 A. baumannii clinical isolates. CONCLUSION: This is the first comprehensive study from Pakistan that highlighted the emergence of ISAba1 harboring carbapenems resistant A. baumannii stains in tertiary care hospitals.
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Khurshid et al. (2017) studied this question.
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