antibiotic resistant Articles
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Antibiotic-resistance and virulence genes in
Enterococcus isolated from tropical recreational watersThe prevalence of enterococci harboring tetracycline- and vancomycin-resistance genes, as well as the enterococcal surface protein (esp) has mostly been determined in clinical settings, but their prevalence in tropical recreational waters remains largely unknown. The present study determined the prevalence of tetM (tetracycline-resistance), vanA and vanB (vancomycin-resistance) in the bacterial ...
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Impacts of urbanization on the prevalence of antibiotic-resistant Escherichia coli in the Chaophraya River and its tributaries
River water samples were taken from 32 locations around the basin of Chaophraya River and its four major tributaries in Thailand to investigate resistance ratios of Escherichia coli isolates to eight antibiotic agents of amoxicillin, sulfamethoxazole/trimethoprim, tetracycline, doxytetracycline, ciprofloxacin, levofloxacin, norfloxacin and ofloxacin. Principal component analysis was performed ...
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Antibiotic resistance genes in freshwater biofilms along a whole river
A key problem challenging public health officials' efforts to stem the spread of antibiotic resistance is the potential increase of resistance in the environment. Yet, despite recent and significant changes to agricultural land in New Zealand, as well as the sector's high antibiotic use, the influence on antibiotic resistance in the environment remained uncharacterised. Spatial ...
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The water sector’s answer to antibiotic resistance
Can you imagine a world in which antibiotics no longer work? Almost a century after Alexander Fleming’s discovery of penicillin in 1928, the era of life-saving, life-enhancing antibiotics may be coming to an end. Antibiotics, able to effectively treat bacterial infections in humans, animals and plants, have enabled some of the greatest advances in modern medicine. Now, however, the ...
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Antibiotic resistance among aquatic bacteria in natural freshwater environments of Korea
The taxonomic diversity and antibiotic resistance among freshwater bacterial communities in the major water bodies of Korea was examined using 437 penicillin-resistant, and 110 tetracycline-resistant bacterial isolates. Based on 16S rRNA gene sequence analysis, most isolates were assigned to Proteobacteria, which was then followed by Bacteroidetes. Strains of Aeromonas were found as the most ...
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Assessing antibiotic resistance of microorganisms in sanitary sewage
The release of antimicrobial substances into surface waters is of growing concern due to direct toxic effects on all trophic levels and the promotion of antibiotic resistance through sub-inhibitory concentration levels. This study showcases (1) the variation of antibiotics in sanitary sewage depending on different timescales and (2) a method to assess the antibiotic resistance based on an ...
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Pyrosequencing estimates of the diversity of antibiotic resistant bacteria in a wastewater system
Standard protocols for monitoring wastewater treatment efficacy target Escherichia coli and fecal coliforms. This might not accurately describe risks associated with antibiotic resistance in the bacterial population of treated wastewaters. We modified a standard agar recovery method by amending it with various antibiotics. The resulting bacterial colonies were submitted to 454 pyrosequencing; ...
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Transfer of class 1 integron-mediated antibiotic resistance genes from shiga toxin-producing escherichia coli to a susceptible e. Coli k-12 strain in storm water and bovine feces
Transfer of class 1 integron-mediated antibiotic resistance genes has been demonstrated under laboratory conditions. However, there is no information concerning the transfer of these genes in an agricultural environment. The present study sought to determine if integron-mediated streptomycin and sulfisoxazole resistance genes could be transferred from Shiga toxin-producing Escherichia coli (STEC) ...
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Sensitivity of antibiotic resistant and antibiotic susceptible Escherichia coli, Enterococcus and Staphylococcus strains against ozone
Tolerance of antibiotic susceptible and antibiotic resistant Escherichia coli, Enterococcus and Staphylococcus strains from clinical and wastewater samples against ozone was tested to investigate if ozone, a strong oxidant applied for advanced wastewater treatment, will affect the release of antibiotic resistant bacteria into the aquatic environment. For this purpose, the resistance pattern ...
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HAIs during the COVID-19 pandemic
In the thick of the COVID-19 pandemic it is important to remember that multi drug resistant organisms (MDRO’s) and antibiotic resistant organism infections are still occurring - something many in the field call a silent epidemic, now lurking in the shadow of COVID-19. Last month, the Presidential Advisory Council on Combating Antibiotic-Resistant Bacteria met virtually for their fall ...
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Fibrinogen induces biofilm formation by streptococcus suis and enhances its antibiotic resistance
In this study, we showed that supplementing the culture medium with fibrinogen induced biofilm formation by Streptococcus suis in a dose-dependent manner. Biofilm-grown S. suis cells were much more resistant to penicillin G than planktonic cells. S. suis bound fibrinogen to its surface, a property that likely contributes to biofilm ...
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Concentration of facultative pathogenic bacteria and antibiotic resistance genes during sewage treatment and in receiving rivers
Whereas the hygienic condition of drinking and bathing water by law must be monitored by culture-based methods, for quantification of microbes and antibiotic resistance in soil or the aquatic environment, often molecular genetic assays are used. For comparison of both methods, knowledge of their correlation is necessary. Therefore the population of total bacteria, Escherichia coli, ...
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Improved cloning vectors for bifidobacteria, based on the bifidobacterium catenulatum pbc1 replicon
This study reports the development of several cloning vectors for bifidobacteria based on the replicon of pBC1, a cryptic plasmid from Bifidobacterium catenulatum L48 thought to replicate via the theta mode. These vectors, in which antibiotic resistance genes encoding either erythromycin or tetracycline resistance acted as selection markers, were able to replicate in a series of eight ...
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Reduce Readmissions with Analytics & CDC Antibiotic Resistance Program - Case Study
This case study discusses hospital readmissions and provides healthcare professionals with recommended medical algorithms in the form of scores, models, and calculators that can aid in reducing readmissions, especially when related to antibiotic resistant microbiological pathogens. When health analytics, such as the CDC antibiotic resistance program and other algorithms are integrated into ...
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Distribution of antibiotic resistance genes in Bosten Lake, Xinjiang, China
The occurrence of antibiotic resistance genes (ARGs) and resistant bacteria was quantified in 17 water samples collected across Bosten Lake, Xinjiang, China. The heterotrophic plate count method was used to detect the levels of sulfonamide- and tetracycline-resistant bacteria, which have mean concentrations of 2.50 × 105 and 4.63 × 103 CFU/mL, respectively. The resistance genes of ...
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Occurrence and antibiotic resistance of escherichia coli O157:H7 in a watershed in north-central Indiana
Received for publication February 11, 2008. The Wildcat Creek in north-central Indiana is an impaired stream with historically high fecal coliform counts. This study evaluated the presence of both fecal coliforms and Escherichia coli O157:H7 at five sites in rural and urban areas in the eastern part of the Wildcat Creek watershed. Escherichia coli O157:H7 was isolated by immunomagnetic ...
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Beyond Fecal Microbiota Transplantation: Developing Drugs from the Microbiome
Abstract The transfer of live gut microbes may transform patient care across a range of autoimmune, metabolic, hepatic, and infectious diseases. One early approach, fecal microbiota transplantation, has shown promise in Clostridiodes difficile infection and the potential for improving clinical and public health outcomes for other antibiotic-resistant bacteria. These clinical successes have ...
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Antibiotic resistance among autochthonous aquatic environmental bacteria
Antibiotics are widely used in both human and veterinary medicine and antibiotic-resistant bacteria cause problems in antibiotic therapy. The current study was conducted in the catchment area of the river Swist (Germany) and focuses on the resistance of environmental Rhodospirillaceae to antibiotics used in human medicine. The samples collected reflect different levels of human impact on the ...
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Hydrogen peroxide preoxidation as a strategy for enhanced antimicrobial photodynamic action against methicillin-resistant Staphylococcus aureus
Antibiotic resistance is one of the main challenges in public health in the 21st century. It is mostly due to prolonged and/or inadequate use of antibiotics. These, along with antibiotic resistant bacteria, get into municipal and hospital wastewaters, and may be spread into water sources by inefficient disinfection. Antimicrobial photodynamic treatment (aPDT) may be an alternative to tackle ...
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High-resolution structure of a key bacterial enzyme: Aid in the fight against antibiotic resistance
A team of scientists from around the world, including from Trinity College Dublin, has obtained high-resolution structural insights into a key bacterial enzyme, which may help chemists design new drugs to inhibit it, thereby inhibiting disease-causing bacteria. Their work is important amid growing concerns about rising antibiotic resistance. The scientists, led by Martin Caffrey, Emeritus ...
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