Ambient air waste sorting facilities could be a source of antibiotic resistant bacteria

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Abstract

The antimicrobial resistance of Staphylococcus spp. and Gram negative strains present in air samples from waste sorting facilities was assessed. Phenotypic studies have revealed a high percentage of strains of Staphylococcus spp. resistant to methicillin. Genotypically and by RT-PCR, it was found that the mecA gene usually associated with methicillin resistance was present in 8% of the Staphylococcus strains isolated. About 30% of the Gram negative strains from the same samples also displayed resistance to meropenem and 79% of these were resistant to multiple antibiotics from different classes, namely cephalosporins and β- lactams. The results suggest that in professional activities with high levels of exposure to biological agents, the quantification and identification of the microbial flora in the work environment, with the determination of the presence of potential agents displaying multi-resistances is of relevance to the risk assessment. The personal protection of workers is particularly important relevance in these cases, since many of the strains that exhibit multi-resistance are potential opportunistic agents.

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APA

Calheiros, A., Santos, J., Ramos, C., Vasconcelos, M., & Fernandes, P. (2021). Ambient air waste sorting facilities could be a source of antibiotic resistant bacteria. Microbiology and Biotechnology Letters, 49(3), 367–373. https://doi.org/10.48022/mbl.2102.02005

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