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Academic literature on the topic 'Antibiotiques – Environnement'
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Journal articles on the topic "Antibiotiques – Environnement"
Bah, Mariama, Namory Keita, Mory Sangare, Aboubacar Hady Toure, Mamadou Alpha Balde, Raphael Dore, and Mamadou Cellou Balde. "Détection par des techniques modernes de Shigella spp dans différentes sources d’eaux de la zone péri-urbaine de Kindia (Basse Guinée), République de Guinée." International Journal of Biological and Chemical Sciences 16, no. 6 (March 8, 2023): 2585–94. http://dx.doi.org/10.4314/ijbcs.v16i6.10.
Full textMouradi, Sara, Gérard Motte, Stéphane Torner, Pierre Lebugle, Nelly Petitboulanger, Aziz Bemmerzouk, and Pierre-Yves Charles. "Péritonite à Sphingobium yanoikuyae en dialyse péritonéale : à propos d’un cas." Bulletin de la Dialyse à Domicile 6, no. 3 (November 13, 2023): 123–27. http://dx.doi.org/10.25796/bdd.v6i3.80703.
Full textKoné, A. Z., S. Baucheron, A. Cloeckaert, A. Goudeau, and D. Rasschaert. "Etude de l'implication du système d'efflux EmrAB dans la multirésistance chez Salmonella enterica Typhimuriu." Revue Malienne d'Infectiologie et de Microbiologie, February 23, 2016. http://dx.doi.org/10.53597/remim.v5i0.817.
Full textLacotte, Yohann, and Marie-Cécile Ploy. "Antibiorésistance à l’échelle « Une seule santé » : stratégies, enjeux et opportunités." Bulletin de l'Académie vétérinaire de France 174 (2021). http://dx.doi.org/10.3406/bavf.2021.70960.
Full textDissertations / Theses on the topic "Antibiotiques – Environnement"
Sadikalay, Syndia. "Influence des rejets humains et animaux sur la diffusion de l'antibiorésistance à l'homme, aux animaux et à l'environnement en Guadeloupe." Electronic Thesis or Diss., Antilles, 2018. http://www.theses.fr/2018ANTI0251.
Full textThe pressure of selection related to the overuse of antibiotics in human and veterinary medicines is responsible for this increase, but the environment also plays a role in the diffusion of these resistances.In Guadeloupe, very few things are known on the state of resistance to antibiotics, but both veterinary and human uses are intense and amendments resulting from human and animal wastes are widely used.In Guadeloupe, the use of waste from animal, plant and human activities in crop production does not appear to favor E. coli resistant strains spreading from the environment to humans. However, composting quality, soil physicochemical characteristics and climatic conditions should be taken into account when planning amendments to reduce the exposure risk, spread and persistence of E. coli resistant strains.Fifteen strains of E. coli were isolated from horses feces were isolated during their antibiotic treatment, three in the first horse and 12 in the second. Profiles of antibiotic resistance were congruent with the plasmid analysis, genotypes for resistance genes detected using WGS, and with the phylogenetic analysis based on the core genome. Three clones and four singletons could be distinguished indicating that a high genetic diversity exists among E. coli producing ESBL. This study evidenced the persistence of E. coli producing ESBL in the microbiota of horses treated with antibiotics. This study was able to demonstrate the resurgence of resistant phenotypes even before the first day of treatment with persistence of these strains more than one month after treatment. The absence of detection of E. coli producing ESBL was evedenced a few months after treatment. Thus, the diversity of antibiotic-resistant pathogenic microorganisms has probably higher than that described in previous studies
Gbaguidi, Bénédicte. "Caractérisation structurale de LmrP, protéine membranaire associée à la résistance bactérienne aux antibiotiques, dans son environnement lipidique." Doctoral thesis, Universite Libre de Bruxelles, 2007. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210714.
Full textMokh, Samia. "Optimisation de techniques analytiques pour caractériser les antibiotiques dans les systèmes aquatiques." Electronic Thesis or Diss., Bordeaux 1, 2013. http://www.theses.fr/2013BOR14950.
Full textAntibiotics are pollutants present in aquatic ecosystems ultimate receptacles of anthropogenic substances. These compounds are studied as their persistence in the environment or their effects on natural organisms. Numerous efforts have been made worldwide to assess the environmental quality of different water resources for the survival of aquatic species, but also for human consumption and health risk related. Towards goal, the optimization of analytical techniques for these compounds in aquatic systems remains a necessity. Our objective is to develop extraction and detection methods for 12 molecules of aminoglycosides and colistin in sewage treatment plants and hospitals waters. The lack of analytical methods for analysis of these compounds and the deficiency of studies for their detection in water is the reason for their study. Solid Phase Extraction (SPE) in classic mode (offline) or online followed by Liquid Chromatography analysis coupled with Mass Spectrometry (LC/MS/ MS) is the most method commonly used for this type of analysis. The parameters are optimized and validated to ensure the best conditions for the environmental analysis. This technique was applied to real samples of wastewater treatment plants in Bordeaux and Lebanon
Ngaiganam, Edgarthe. "Etude de la résistance aux antibiotiques chez les animaux et dans l'environnement en France." Thesis, Aix-Marseille, 2019. http://www.theses.fr/2019AIXM0241.
Full textEmergence and spread of multidrug-resistant bacteria (MDR) are a major public health problem worldwide. Nowadays, some antibiotics are increasingly used in veterinary medicine as well as in human medicine and also in agriculture, particularly in animal feed and aquaculture. Therefore, resistance to β-lactams, carbapenems and colistin is not only observed in pathogenic bacteria, but also in environmental organisms that serve as reservoirs and vectors for the spread of resistance. There are still unknown reservoirs of multi-resistant bacteria and antibiotic resistance genes. Thus, the understanding of reservoirs and the transmission of antibiotic resistance genes are essential to control their emergence and their spread in the community. In France, the use of antibiotics as a growth factor or prophylaxis is limited in the production of animals for consumption. It is in this respect that our thesis project is aimed at: (i) Isolation and characterization of extended-spectrum β-lactamase producing bacteria (ESBL) and carbapenemase-producing bacteria from environmental samples in Marseille; (ii) Investigation of colistin resistance in Gram-negative bacteria isolated from water samples and animals. A review of the literature on the role of birds as reservoirs of multidrug-resistant bacteria was conducted as an introduction to this thesis project. Our results thus showed the possibility of horizontal transfer of antibiotic resistance genes from animals and the environment to humans and suggest a potential zoonotic transmission between humans and animals. It would be important to monitor antibiotic resistance in non-hospital settings and primarily in the environment
Touzri-Tekari, Souad. "Difficultés de mobilisation de raisonnements écosystémiques chez des élèves et des futurs enseignants dans des problèmes d'environnement et de santé : le cas de l'adaptation des micro-organismes à l'usage des antibiotiques." Nantes, 2006. http://www.theses.fr/2006NANT3001.
Full textGuyomard, Rabenirina Stephanie. "Résistance aux antibiotiques des entérobactéries en Guadeloupe : importance en mileu communautaire et diffusion environnementale." Thesis, Antilles, 2016. http://www.theses.fr/2016ANTI0074/document.
Full textAntibiotic resistance has become a major public health concern worldwide that could lead to therapeutic impasse. The overuse and misuse of antibiotics in human medicine but also in veterinary medicine is largely responsible for the proliferation and spread of multi-drug resistant (MDR) bacteria. Enterobacteriaceae are subject to this selective pressure, as the digestive tract is their main reservoir. Moreover, thanks to their ability to exchange genetic material, they can acquire new antibiotic resistance determinants. Through human and animal waste, antimicrobial resistant bacteria can spread in the environment. However, the environment is also a supplier for antibiotic resistance since environmental bacteria naturally harbor antibiotic resistance determinants.In Guadeloupe, except for data from MDR bacteria surveillance in the hospital, no studies concerning antibiotic resistance had been carried out. The objectives of this thesis were (i) to evaluate the antimicrobial resistance in the community by studying antimicrobial susceptibility of Enterobacteriaceae strains isolated from community-acquired urinary tract infection and (ii) to study the environmental spread of antimicrobial resistant Enterobacteriaceae (AREs) in river and sea waters receiving effluents from wastewater treatment plants but also in terrestrial wildlife.Our work highlighted the environmental spread of AREs linked to human activities. WWTPs discharge has been identified as a source of AREs, especially ESBLEs, in the environment. Nevertheless, other human activities may release ARB in the environment, and some will be explored in further studies. Thus, prevention requires an overall improvement in waste management, and wastewater discharge should occur in open sea as often as possible
Chen, Chen. "Antibiotics in the environment : impact of metal oxides and effect on denitrification." Electronic Thesis or Diss., Université de Rennes (2023-....), 2023. http://www.theses.fr/2023URENB021.
Full textAntibiotics have become ubiquitous in the environment due to their widespread use in human and veterinary medicine, as well as in agriculture. These compounds can persist in sediments for extended periods, potentially impacting microbial processes and ecosystem functioning. However, the effects of antibiotic pollutants on bacteria may be attenuated by natural minerals, such as manganese oxides. Therefore, this thesis focuses on the effects of antibiotics on denitrification bacteria and processes in river sedimentary ecosystems, with a specific emphasis on the interaction between antibiotics, minerals and bacteria. In the first part, the antibiotic resistance in a non-pathogenic denitrifying bacterium Pseudomonas veronii was investigated,compared with the effects of several representative antibiotics on denitrifying activity. In the second part, the mechanisms of transformation of ciprofloxacin and tetracycline by a common redox soil mineral, birnessite (MnO2), were first studied, and then the effects of transformation byproducts on both growth and activity on a denitrifying isolate were determined. The third part focused on the transport of ciprofloxacin and tetracycline in sediments from the Seine Estuary (France), under nitrate reducing conditions. These findings improve our understanding of the antimicrobial activity and toxicity of antibiotics and their oxidation by-products especially against environmental bacteria, which has important implications for sustainable agriculture, quality management of the sediment, and global biogeochemical cycles
Almakki, Ayad Qasim Mahdi. "Résistance aux antibiotiques dans des eaux urbaines péri-hospitalières considérées dans un continuum hydrologique." Electronic Thesis or Diss., Montpellier, 2017. http://www.theses.fr/2017MONTS002.
Full textAquatic ecosystems subjected to anthropic pressures are places of rapid evolution of microbial communities. They are likely hotspots for emergence of infectious disease agents resistant to antibiotics. The city of Montpellier is located in a small watershed that undergoes brutal rainfall episodes and strong demographic pressures. A hospital is located in a runoff area including two small urban rivers originating from karstic groundwater few kilometers upstream. The aim of the study is to explore bacterial communities in urban rivers flowing near hospital settings in order to evaluate the influence of runoffs on antibiotics resistance in the bacterial communities. Bacterial communities are also described in upstream karstic aquifers.An introductive section presents the methods available for studying antimicrobial resistance in environment and then reviews comprehensively bibliography on antibiotics resistance in urban runoffs. This part supports the experimental strategies. The method developed herein, called community Inhibitory Concentration (c-IC) determination is combined to taxonomic richness description to provide a tool that gives a rapid snapshot of resistant bacterial communities in aquatic environments. A strategy derived from c-IC approach allows the exploration of bacterial resistance in the urban hydrologic system near the hospital and in karstic aquifers. The collected microbiological data has been completed by hydrological, hydrogeological, climatic and physico-chemical data.The impact of very low concentration of antibiotics on the bacterial community structure in various water bodies was demonstrated and appeared as an indicator of the vulnerability of ecosystems to antimicrobial pressures. The taxonomic repertory of the urban river communities was described and its dynamics was compared to environmental conditions. Hospital vicinity significantly increase the prevalence of resistant bacteria compared to a similar urban area remote from hospital. Diverse clinically relevant cephalosporins and carbapenems resistant bacteria have been isolated. Surprisingly, a NDM-producing Escherichia coli, which is a highly resistant and emerging pathogen was reported for the first time in a French River. The clone was detected in two independent sampling showing its persistence. The blaNDM-5 gene and its surrounding sequences were described on a transferable IncX3 plasmid, indicating possible genetic transfer to other bacteria. The antimicrobial resistance in karst groundwater varied in time and space and was hardly compared with that described in related rivers.In urban settings, water quality and infectious risk is generally assessed on sewers and wastewater treatment plants effluents. This study shows that runoff waters in urbanized area contribute to the emergence and dissemination of antimicrobial resistance. Considering the worrisome epidemiology of infectious diseases, it urges to decipher all environmental reservoirs for resistant bacteria in order to complete knowledges about the epidemiological cycle of antimicrobial resistance and try to break or slow down it
Oberle, Kenny. "Devenir des antibiotiques et des populations d'Escherichia coli et d'Enterococcus spp. dans les hydrosytèmes de surface." Phd thesis, Université de Rouen, 2012. http://tel.archives-ouvertes.fr/tel-00828033.
Full textAlighardashi, Abolghasem. "Composés pharmaceutiques et eaux usées urbaines. I, Analyse bibliographique. II, Effet de deux antibiotiques de type macrolide sur les boues activées." Electronic Thesis or Diss., Vandoeuvre-les-Nancy, INPL, 2007. http://www.theses.fr/2007INPL050N.
Full textThe main sources of dispersion of pharmaceutical substances in environment are wastewater treatment plants. Based on the analysis of the database built during this project, the amounts of pharmaceutical substances found in plants can be directly related to the amount consumed. Regarding their elimination from the liquid phase, the situation is very disparate. The elimination yield of hormones can be null or very large. Halogen-based X-ray contrast media (or AOX) are mainly non biodegradable. The effects of antibiotics on activated sludge have been especially investigated due to their consumption, presence in aquatic environment and specific action on bacteria. Batch tests have been performed to evaluate the toxicity of these active pharmaceutical ingredients on activated sludge. Sludge morphology was monitored by analysis of light microscopy images. Depending upon the applied dose, erythromycin and tylosin, two macrolides widely used for human and animal health care, inhibit the elimination of organic pollution and damage biomass. These antibiotics have a deleterious effect on ammonification, nitritation and nitratation