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DTSTART:20250410T153000Z
DTEND:20250410T163000Z
LOCATION:Pavillon Roger-Gaudry N-833, 2900 Édouard-Montpetit
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DTSTAMP:20260718T191051Z
SUMMARY:Conférence Dr. Jennifer Ronholm Optimizing the Microbiome to Reduce Antibiotic Resistance in Agriculture
DESCRIPTION:Dr. Jennifer Ronholm Canada Research Chair in Agricultural Microbiology Associate Professor, Faculty of Agricultural and Environmental Sciences ; Résumé : Antibiotic resistance (ABR) is an international crisis. In 2019 about 4.95 human deaths were associated with ABR and this number consistently grows each year. The vast majority of antibiotics produced are used in agriculture. Agricultural use of antibiotics accounts for 70-80% of total production for most countries on Earth. The rates of human illness and death are truly unsustainable - but if antibiotics are banned from agricultural use food prices will rise and food security will decrease. My lab attempts to develop novel mechanisms of preventing infections in agricultural animals to negate the requirement of antibiotics in agriculture. We focus on novel probiotic discovery. We currently have several prototype probiotics to prevent Salmonella in poultry and mastitis in dairy cattle. We also attempt to monitor the movement of antibiotic resistance genes (ARGs)and develop novel ways to keep ARGs from moving from farms into the human population. We currently have a CRISPR-Cas9 system which can delete ARGs in vivo from dairy cattle. In the future, we will continue to perform research aimed at reducing the proliferation and spread of AMR originating from agriculture.
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