Carbapenem resistant Enterobacteriaceae from port areas in Sao Paulo State (Brazil): Isolation and molecular characterization

MARINE POLLUTION BULLETIN

卷:159

Article

Andrade, Vanessa Costa^1,2  Caetano, Tania^3,4  Mendo, Sonia^3,4  Oliveira, Ana Julia Fernandes Cardoso de^1,2 

[1] Sao Paulo State Univ UNESP, Dept Biochem & Microbiol, Rio Claro, Brazil

[2] Sao Paulo State Univ UNESP, Biosci Inst, Marine & Environm Microbiol Lab, Sao Vicente, Brazil

[3] Univ Aveiro, CESAM, P-3810193 Aveiro, Portugal

[4] Univ Aveiro, Dept Biol, P-3810193 Aveiro, Portugal

关键词: Bacterial resistance;    Port contamination;    Coastal contamination;    Co-selection;   

DOI  :  10.1016/j.marpolbul.2020.111329

来源: Elsevier

【 摘 要 】

Coastal areas with important economic activities have high levels of contamination by metals, pathogenic bacteria, among other contaminants. The emergence of antibiotic-resistant bacteria is a global problem of public health. Carbapenem resistant Enterobacteriaceae (CRE) are a serious threat. The occurrence of carbapenem resistant bacteria was investigated in waters and sediments of a Brazilian coastal area, characterized by high levels of contamination. The samples of water and sediment were collected in two areas of the coast of Sao Paulo (Brazil). The study involved the characterization of the molecular mechanisms associated with the carbapenem resistance phenotype. No genes were detected for beta-lactamases but the absence and/or presence of mutations in outer membrane proteins (OMPs) may justify the detected phenotype. The presented results show the need for further studies that allow a review of the current legislation and the importance of the reevaluation of monitoring policies of these environments.

【 授权许可】

Free