Antimicrobial Sensitivity Profile of Bacteria Isolated in Babitonga Bay

Abstract

Antimicrobial resistance is one of the main and growing public health concerns. However, the analysis of the expansion of this phenomenon in the environment is limited. Thus, the objective of this work was to determine the antimicrobial susceptibility profile of bacteria isolated from Baía Babitonga. Isolation and identification of microorganisms were carried out from the mangrove sediment sample, collected at two sampling points in Baía Babitonga. Microbial identification analyzes demonstrated the presence of Gram-negative microorganisms, for which the antimicrobial susceptibility profile analysis showed the presence of resistance to Aztreonam, Ciprofloxacin, Cefuroxim, Nitrofurantoin, Meropenem, Tetracyclin, Cefotaxime, and Ceftazidime. For the identified Gram-positive microorganisms, the presence of resistance to Ampicillin and Clindamycin was evidenced. The genotypic investigation showed that the resistances found were not caused by the researched genes (blaSHV, blaCTX-M, blaOXA-48-like, blaKPC, blaNDM-1, blaVIM e blaIMP).