In order to comprehensively investigate tetracycline resistance in activated sludge of sewage treatment plants, 454 pyrosequencing and Illumina high-throughput sequencing were used to detect potential tetracycline resistant bacteria (TRB) and antibiotic resistance genes (ARGs) in sludge cultured with different concentrations of tetracycline. Pyrosequencing of 16S rRNA gene revealed that tetracy...

Emerging pollutants that have the potential to significantly impact environment include antibiotics. Antibiotic resistance, or microorganisms' ability withstand medications intended kill them, can an on a variety of facets daily life. One most vital resources for life, water, contains antibiotic resistance. This review explains where antibiotics and resistance genes come from, how they contamin...

This study explores antibiotic resistance genes (ARGs) as emerging environmental contaminants. The purpose of this study was to investigate the occurrence of ARGs in various environmental compartments in northern Colorado, including Cache La Poudre (Poudre) River sediments, irrigation ditches, dairy lagoons, and the effluents of wastewater recycling and drinking water treatment plants. Addition...

The pressing issue of the abundance antibiotic resistance genes and resistant bacteria in environment (ARGs ARB, respectively) requires procedures for assessing risk to health. chemo-centric environmental assessment models identify hazard(s) a dose–response manner, obtaining exposure, toxicity, risk, impact policy. However, this approach based on ARGs/ARB evaluation from quantitative viewpoint ...

conclusions periodic evaluation of antimicrobial susceptibility for c. perfringens should be performed. harboring of enterotoxigenic c. perfringens in individuals not necessarily results in diarrhea. results of 136 stool samples including diarrhea [48] and non-diarrhea [88] ones, 83 (61.02%) c. perfringens were cultured. of these 83, 79 c. perfringens isolates showed the alpha-toxin (phospholip...

The behavior of three antibiotics (bacitracin, chlortetracycline, and tylosin) and two classes of antibiotic resistance genes (ARGs), tet and erm, were monitored in swine manure slurry under anaerobic conditions. First-order decay rates were determined for each antibiotic with half-lives ranging from 1 day (chlortetracycline) to 10 days (tylosin). ARGs were monitored in the swine manure slurry,...

Abstract Antimicrobial resistome in wastewater treatment plants was investigated via shotgun metagenomic analysis over a variety of geographical locations, seasons, and biological configurations. The results revealed that the transition antimicrobial occurred at two locations during treatment, which resulted distinctive influent wastewater, activated sludge, treated effluent. characterized by h...

Antibiotic resistance is a global concern for human, animal, and environmental health. Many studies have identified wastewater treatment plants surface waters as major reservoirs of antibiotic resistant bacteria (ARB) genes (ARGs). Yet their prevalence in urban karst groundwater systems remains largely unexplored. Considering the extent use globally, growing areas these regions, there an urgent...

Hospitals and wastewater treatment plants (WWTPs) are high-risk point sources of antibiotic-resistance genes (ARGs) antibiotic-resistant bacteria. This study investigates the occurrence clinically relevant ARGs (sul1, tet(B), blaCTX-M, blaNDM-1, qnrS) a class one integron (intI1) gene in urban rivers, hospitals, municipal Kathmandu Valley, Nepal. Twenty-five water samples were collected from th...

The global widespread use of antimicrobials and accompanying increase in resistant bacterial strains is of major public health concern. Wastewater systems and wastewater treatment plants are considered a niche for antibiotic resistance genes (ARGs), with diverse microbial communities facilitating ARG transfer via mobile genetic element (MGE). In contrast to hospital sewage, wastewater from othe...