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首页> 外文期刊>International journal of river basin management >Antibiotic resistance in E. coli isolated in effluent from a wastewater treatment plant and sediments in receiver body
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Antibiotic resistance in E. coli isolated in effluent from a wastewater treatment plant and sediments in receiver body

机译：从废水处理厂的废水中分离出来的大肠杆菌和接收器体内的沉淀物中的大肠杆菌耐药性

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摘要

The indiscriminate use of antibiotics in human and veterinary medicine has accelerated the development of bacterial resistance, indicating the need to adopt measures related to reducing the overuse of antibiotics to ensure the safety of public health. The purpose of this study was to evaluate the occurrence and risk of the spread of microorganisms resistant to antibiotics in the environment and relate to physical and chemical parameters in wastewater treatment plants adopted in western Parana State, Brazil. Through determination of the occurrence of Escherichia coli isolates in the Wastewater Treatment Plant (WWTP) effluent and sediments sampled before and after the discharge of the receiving body, susceptibility to antibiotics isolated from different families is evaluated. The results indicated the occurrence of E. coli isolates resistant to cephalothin, streptomycin, tetracycline and amoxicillin. A higher incidence of resistant and intermediate isolates was detected in the effluent of the WWTP and sediments sampled downstream; this suggests that the dumping of wastewater contributes to the incorporation of resistant microorganisms in the receiving body and, therefore, a possible threat to public and environmental health, besides indicating the need for a more effective post-treatment of effluents to remove pathogens.
机译：在人类和兽医学中不加选择地使用抗生素加速了细菌耐药性的发展，这表明需要采取与减少抗生素过度使用有关的措施以确保公众健康的安全。这项研究的目的是评估环境中对抗生素具有抗性的微生物扩散的发生和风险，并与巴西巴拉那州西部采用的污水处理厂的理化参数有关。通过确定在污水处理厂（WWTP）流出物和沉淀物在接收体排出之前和之后取样的大肠埃希菌分离株的发生，评估了对分离自不同家族的抗生素的敏感性。结果表明存在对头孢菌素，链霉素，四环素和阿莫西林耐药的大肠杆菌分离株。在污水处理厂的废水和下游采样的沉淀物中检测到耐药和中间分离株的发生率较高。这表明，废水的倾倒除了有助于抵抗性微生物进入接收体外，还可能对公众和环境健康构成威胁，除了表明需要对废水进行更有效的后处理以去除病原体。

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