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首页> 外文期刊>International Journal of Environmental Research and Public Health >Prevalence of Multiple Antibiotics Resistant (MAR) Pseudomonas Species in the Final Effluents of Three Municipal Wastewater Treatment Facilities in South Africa
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Prevalence of Multiple Antibiotics Resistant (MAR) Pseudomonas Species in the Final Effluents of Three Municipal Wastewater Treatment Facilities in South Africa

机译：南非三个市政废水处理设施的最终废水中多种抗药性（MAR）假单胞菌物种的流行

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The final effluents of three (Alice, Dimbaza, and East London) wastewater treatment plants (WWTPs) were evaluated to determine their physicochemical quality and prevalence of multiple antibiotics resistant (MAR) Pseudomonas species, between August 2007 and July 2008. The annual mean total Pseudomonas count (TPC) was 1.20 × 104 (cfu/100 mL), 1.08 × 104 (cfu/100 mL), and 2.66 × 104 (cfu/100 mL), for the Alice, Dimbaza, and East London WWTPs respectively. The effluents were generally compliant with recommended limits for pH, temperature, TDS, DO, nitrite and nitrate; but fell short of target standards for turbidity, COD, and phosphate. The tested isolates were highly sensitive to gentamicin (100%), ofloxacin (100%), clindamycin (90%), erythromycin (90%) and nitrofurantoin (80%); whereas high resistance was observed against the penicillins (90–100%), rifampin (90%), sulphamethoxazole (90%) and the cephems (70%). MAR index ranged between 0.26 and 0.58. The study demonstrated that MAR Pseudomonas species were quite prevalent in the final effluents of WWTPs in South Africa; and this can lead to serious health risk for communities that depend on the effluent-receiving waters for sundry purposes.
机译：在2007年8月至2008年7月之间，对三个污水处理厂（WWTP）的最终废水进行了评估，以确定其理化质量和多种抗生素耐药（MAR）假单胞菌菌种的流行率。假单胞菌计数（TPC）为1.20×10 4 （cfu / 100 mL），1.08×10 4 （cfu / 100 mL）和2.66×10 4 （cfu / 100 mL），分别用于爱丽丝，迪姆巴扎和东伦敦的污水处理厂。废水通常符合pH，温度，TDS，DO，亚硝酸盐和硝酸盐的建议限值;但没有达到浊度，化学需氧量和磷酸盐的目标标准。测试的分离株对庆大霉素（100％），氧氟沙星（100％），克林霉素（90％），红霉素（90％）和呋喃妥因（80％）高度敏感。而对青霉素（90-100％），利福平（90％），磺胺甲恶唑（90％）和头孢（70％）的耐药性较高。 MAR指数介于0.26和0.58之间。研究表明，MAR假单胞菌在南非污水处理厂的最终废水中非常普遍。对于依赖杂物接收水的社区，这可能导致严重的健康风险。

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