Copper nanoparticles and copper ions promote horizontal transfer of plasmid-mediated multi-antibiotic resistance genes across bacterial genera.
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TL;DR: In conclusion, this study reports both CuO NPs and copper ions (Cu2+) could stimulate the conjugative transfer of multiple-drug resistance genes and suggests the over-production of reactive oxygen species played a crucial role in promoting conjugatives transfer.
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About: This article is published in Environment International. The article was published on 31 May 2019. and is currently open access.
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Understanding human health risks caused by antibiotic resistant bacteria (ARB) and antibiotic resistance genes (ARG) in water environments: Current knowledge and questions to be answered
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Anh Q. Nguyen,Hang P. Vu,Luong N. Nguyen,Qilin Wang,Steven P. Djordjevic,Erica Donner,Huabing Yin,Long D. Nghiem +7 more
TL;DR: In this paper, the authors provide a research roadmap to address existing challenges in AMR control via wastewater treatment, including inconsistencies in ARG reporting units, lack of ARG/ARB monitoring surrogates, and lack of a standardised protocol for determining ARG removal via wastewater treatments.
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Antibacterial Nanomaterials: Mechanisms, Impacts on Antimicrobial Resistance and Design Principles.
Maomao Xie,Mengxu Gao,Yang Yun,Martin Malmsten,Vincent M. Rotello,Radek Zboril,Omid Akhavan,A. N. Kraskouski,John Amalraj,Xiaoming Cai,Jianmei Lu,Huizhen Zheng,Rui-Qing Li +12 more
TL;DR: In this paper , the authors compared the killing mechanisms and structure-activity relationships of antibiotics and antimicrobial nanomaterials, and then focused on nano-microbe interactions to elucidate the impacts of molecular initiating events on AMR evolution.
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Intracellular versus extracellular antibiotic resistance genes in the environment: Prevalence, horizontal transfer, and mitigation strategies.
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TL;DR: Evaluation of prevalence/persistence and horizontal transfer of iARGs and extracellular ARGs (eARGs) in different environments, and advanced mitigation strategies in wastewater treatment plants (WWTPs) for preventing the spread of antibiotic resistance in the environment are explored.
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Effects of emerging pollutants on the occurrence and transfer of antibiotic resistance genes: A review
TL;DR: A comprehensive review of the effects and intrinsic mechanisms of EPs, including microplastics, engineered nanomaterials, disinfection byproducts, pharmaceuticals, and personal care products, on the occurrence and dissemination of ARGs is presented in this paper.
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References
An Ionic Liquid Facilitates the Proliferation of Antibiotic Resistance Genes Mediated by Class I Integrons
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Copper Oxide Nanoparticles Induce Lysogenic Bacteriophage and Metal-Resistance Genes in Pseudomonas aeruginosa PAO1
TL;DR: Investigating the multiple responses of Pseudomonas aeruginosa to the exposure of copper oxide nanoparticles shows that CuO NPs induce lysogenic bacteriophage, which might render defective within a bacterial host.
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Silver nanoparticles stimulate the proliferation of sulfate reducing bacterium Desulfovibrio vulgaris
TL;DR: It is found AgNPs stimulated the proliferation of D. vulgaris, rather than exerting inhibitory or biocidal effects, which implies that the presence of AgNP in sewage may affect SRB abundance in sewer networks.
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RpoS Plays a Central Role in the SOS Induction by Sub-Lethal Aminoglycoside Concentrations in Vibrio cholerae
TL;DR: It is demonstrated that the RpoS general stress regulator prevents oxidative stress-mediated DNA damage formation in E. coli, suggesting that E. Escherichia coli is more of an exception than a paradigm for the physiological response to antibiotics sub-MIC.
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