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Artykuły w czasopismach na temat "Antibiorésistance environnementale"
Renesto, Patricia, i Evelyne Jouvin-Marche. "L’Antibiorésistance : stratégie de la France face à une menace sanitaire mondiale". Questions de santé publique, nr 44 (wrzesień 2022): 1–8. http://dx.doi.org/10.1051/qsp/2022044.
Pełny tekst źródłaDUCROT, C., B. BED’HOM, V. BERINGUE, J. B. COULON, C. FOURICHON, J. L. GUERIN, S. KREBS i in. "Enjeux et spécificités de la recherche en santé animale". INRAE Productions Animales 23, nr 4 (14.11.2010): 359–68. http://dx.doi.org/10.20870/productions-animales.2010.23.4.3314.
Pełny tekst źródłaLacotte, Yohann, i 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.
Pełny tekst źródłaRidremont, B. "Les vaccins aujourd’hui chez l’animal : 2. Adaptation aux enjeux sanitaires et défis sociétaux". Bulletin de l'Académie Vétérinaire de France 176 (2023). http://dx.doi.org/10.3406/bavf.2023.71028.
Pełny tekst źródłaRozprawy doktorskie na temat "Antibiorésistance environnementale"
Hammer, Florence. "Étude de l’émergence, de la dissémination et de la persistance de gènes codant des carbapénèmases d'intérêt clinique chez des bactéries issues d'un environnement hydrique urbain". Electronic Thesis or Diss., Université de Montpellier (2022-....), 2022. http://www.theses.fr/2022UMONG029.
Pełny tekst źródłaThe emergence in the 2000s of carbapenemases KPC, NDM, VIM or OXA-48 produced byenterobacteria has made the use of carbapenems impossible and has led to deadlock situations andtherapeutic failures. These Carbapenemase Producing Enterobacteriaceae (CPE) have rapidlydisseminated and have become endemic on the surface of the globe in 20 years. CPEs have been isolatedin urban waters that are particularly impacted by human activities. Urban water environments couldtherefore be a reservoir for CCGs, constituting a relay for Carbapenemase Producing Bacteria (CPBs)of human origin, but also a crossroads for CCG exchange by horizontal gene transfer between bacteriaof human and water origin. This work is articulated in two points. We studied carbapenem resistance bycarbapenemase production using culturomic and PCR methods in wastewater (drainage channels) fromthe three cities of Côte d'Ivoire and in urban water from the city of Montpellier. Although the presenceof EPCs in urban waters seems to be mainly due to human contamination, we report the isolation of twoAeromonas hydrophila KPC-2 in urban waters of Montpellier. In a second step, we studied thedissemination and persistence capacities of the blaNDM-5 gene carried by IncX-3 plasmids carried by twoEscherichia coli isolates and of the blaKPC-2 gene carried by IncP-6 plasmids carried by Aeromonas sp.isolates from urban waters of the city of Montpellier. The dissemination and persistence capacities ofthese GCCs are dependent on the plasmid incompatibility group on which the GCC is carried. Thus, thestudy of the emergence, dissemination and persistence of GCCs and PCBs in an urban waterenvironment would allow a better knowledge of carbapenem resistance and the implementation ofsurveillance and prevention methods against antibiotic resistance according to the "One Health" concept
Alliot, Nolwenn. "Étude phénotypique de souches de Stenotrophomonas maltophilia isolées de contextes cliniques et environnementaux. : Évaluation du lien entre les signatures métaboliques, de virulence et d'antibiorésistance". Thesis, Lyon, 2016. http://www.theses.fr/2016LYSE1152.
Pełny tekst źródłaIn the clinical settings, Stenotrophomonas maltophilia is described as an opportunistic bacterial pathogen responsible for nosocomial infections mainly in immunocompromised patients or with severe or chronic diseases. The heavy shield of antibiotic resistances observed in clinical strains lead to particularly complex treatments for patients. S. maltophilia strains represent a real threat to human health. Moreover, the high potential for adaptation of S. maltophilia allow their dispersion in a wide range of clinical habitats but also environmental. Indeed, S. maltophilia strains also colonize widely environmental niches such as the rhizospheric soils. The knowledge about these environmental strains is particularly limited compared to the available medical data. The properties as opportunistic pathogenic of environmental strains remain poorly known and controversial. To better assess the potential health hazard of these environmental S. maltophilia compared to the clinical ones, were assessed in this Ph-D project phenotypic characteristics of a group of S. maltophilia strains from contexts differentially affected by human and environment imprints. S. maltophilia heavily impacted by human contacts have been isolated from patients with varying disease (cystic fibrosis, nosocomial infections, severe pathologies). This group of strains considered as the most at risk to humans, was compared to a group of S. maltophilia from environmental contexts that could promote acquisition/maintaining of resistances to antimicrobial molecules such as rhizospheric soils, heavy metal-contaminated soils or agricultural soils. Firstly, metabolic signatures (growth, substrate degradations) and antibiotic resistance capacities were evaluated among the collection of S. maltophilia strains. In a second part, were studied pathogenic potentialities of these strains such as mobility, enzyme secretions, biofilm formation and virulence to amoebae. Finally, a statistical analysis made connections on the different signatures obtained from the metabolic data, antibiotic resistance and virulence with the origins of the strains and human impacts. According to the datasets of the project, four distinct signatures emerged between S. maltophilia strains structured by the effects of human proximity and origin of the strains. Environmental strains potentially the most impacted by contact with humans showed similar characteristics with the clinical strains; they could potentially be as dangerous as clinical strains
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". Thesis, Antilles, 2018. http://www.theses.fr/2018ANTI0251/document.
Pełny tekst źródłaThe 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
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.
Pełny tekst źródłaThe 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