Abstract
The aim of this study was to evaluate the antimicrobial susceptibility profile of Aeromonas sp., and Escherichia coli isolated from samples of yellow hake (Cynoscion acoupa). We analyzed 53 Aeromonas spp. and four E. coli isolates. We observed increased resistance of E. coli to levofloxacin and sulfa-trimethoprim as well as resistance of Aeromonas spp. to ampicillin, amoxicillin-clavulanate, cefuroxime, and cefotaxime. The multiple antimicrobial resistance(MAR) index indicated multidrug resistance in 90.54% (n=48) of Aeromonas spp. isolates and in 50% (n=2) of E. coli isolates. One strain of Aeromonas spp. was resistant to all 11tested antimicrobials (MAR index = 1.00). In vitro,piperacillin + tazobactam was the most effective antimicrobial for E. coli,and cefepime and levofloxacin were the most effective antimicrobials for Aeromonas spp. Therefore, in case of illnesses caused by these microorganisms, these antimicrobials should be used. The multidrug resistance of Aeromonas spp. and E. coli in this study is elevated. This is worrisome considering the increase in bacteria resistant to multiple drugs, reducing the options for successful clinical antimicrobial use.
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Schedule a callMore From: Brazilian journal of biology = Revista brasleira de biologia
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