Publications by authors named "Charles P Henriot"
Article Synopsis
- * Human activities like sewage disposal, manure application, and industrial effluents introduce antibiotic-resistant bacteria (ARB) and genes (ARGs) into ecosystems, with varying impacts based on the country's income level, sanitation infrastructure, and farming practices.
- * To combat AMR, it's crucial to enhance wastewater treatment facilities, reduce antibiotic usage, opt for safer antibiotics, and regulate pharmaceutical waste, particularly emphasizing disparities between high-income (HICs) and low/middle-income countries (LMICs).
Karst aquifers are an important water resource worldwide particularly exposed to anthropogenic pollution, including antibiotic-resistance. The release of antibiotic-resistant bacterial pathogens in the environment is a major public health challenge worldwide. In this One Health study, we aimed to determine the effect of karst on antibiotic-resistant bacteria.
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- - The study investigates the presence and behavior of antibiotic-resistant opportunistic pathogens in floodplain ecosystems in Eastern France, focusing on various strains of E. coli and Klebsiella pneumoniae.
- - Monthly sampling over a year revealed that the majority of E. coli isolates in the floodplain were likely human-derived, with contamination primarily occurring during periods of high water flow, which aids in pathogen dispersal.
- - Isolated ecosystems, especially nutrient-rich wetlands, could serve as reservoirs for these pathogens, as E. coli can survive for months during low water flow, showing that antibiotic resistance does not hinder its survival in less disturbed environments.
Objectives: To assess the extent to which food items are a source of extended-spectrum β-lactamase (ESBL) -producing Escherichia coli (ESBL-Ec) and ESBL-producing Klebsiella pneumoniae (ESBL-Kp) for humans in five European cities.
Methods: We sampled 122 human polluted (hp)-environments (sewers and polluted rivers, as a proxy of human contamination) and 714 food items in Besançon (France), Geneva (Switzerland), Sevilla (Spain), Tübingen (Germany) and Utrecht (The Netherlands). A total of 254 ESBL-Ec and 39 ESBL-Kp isolates were cultured.
that are present in the rivers are mostly brought by human and animal feces. Contamination occurs mostly through wastewater treatment plant (WWTP) outflows and field amendment with sewage sludge or manure. However, the survival of these isolates in river-associated wetlands remains unknown.
View Article and Find Full Text PDFLittle attention has been paid to how aquatic habitat characteristics affect the traits of plant species. (L.) Sm.
View Article and Find Full Text PDFThe survival and multiplication of human pathogenic and antibiotic-resistant bacteria in ecosystems is of increasing concern but has been little explored. Wetlands can be contaminated by water fluxes from rivers and may present environmental conditions leading to bacterial survival and multiplication. To test this hypothesis, we sampled 16 wetlands located along three rivers of the Jura Massif, France.
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