Audrey Charlebois
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View article: One Health study of mobile colistin resistance ( <i>mcr</i> ) in <i>Salmonella enterica</i> in Canada, 2017–2022
One Health study of mobile colistin resistance ( <i>mcr</i> ) in <i>Salmonella enterica</i> in Canada, 2017–2022 Open
Colistin is a last-resort treatment for highly drug-resistant bacterial infections. Of 47,184 Salmonella isolates collected from 2017 to 2022 in Canada from human and animal/food sources, mobile colistin resistance ( mcr ) variants conferr…
View article: Widespread dissemination of Salmonella, Escherichia coli and Campylobacter resistant to medically important antimicrobials in the poultry production continuum in Canada
Widespread dissemination of Salmonella, Escherichia coli and Campylobacter resistant to medically important antimicrobials in the poultry production continuum in Canada Open
The Canadian Integrated Program for Antimicrobial Resistance Surveillance (CIPARS) monitors Escherichia coli, Salmonella and Campylobacter and their resistance to antimicrobials in broiler chickens at the farm and slaughter plant levels. I…
View article: Immunogenicity of Type IV Pilin Proteins from Clostridium perfringens in Chickens
Immunogenicity of Type IV Pilin Proteins from Clostridium perfringens in Chickens Open
Clostridium perfringens, the causative agent of necrotic enteritis in chickens, is controlled by in-feed antibiotics. With increasing pressure to reduce antimicrobial use, the development of alternative preventive tools is needed. Type IV …
View article: Molecular epidemiology and in silico prediction of ciprofloxacin resistance in <i>Salmonella enterica</i> in Canada, 2017–2022
Molecular epidemiology and in silico prediction of ciprofloxacin resistance in <i>Salmonella enterica</i> in Canada, 2017–2022 Open
Ciprofloxacin is important for treatment of severe or invasive Salmonella infections in humans. As laboratories transition from phenotypic to genomics-based methods for determining ciprofloxacin non-susceptibility, it is important to defin…
View article: Surveillance of <i>Clostridioides difficile</i> in Canadian retail meat and genomic linkages to community-associated human clinical infections in Canada
Surveillance of <i>Clostridioides difficile</i> in Canadian retail meat and genomic linkages to community-associated human clinical infections in Canada Open
Community-associated Clostridioides difficile infections (CA-CDI) remain a concern in Canada, comprising a quarter of cases previously reported through the Canadian Nosocomial Infection Surveillance Program. Previous Canadian studies have …
View article: <i>Nicoletella semolina</i>in the airways of healthy horses and horses with severe asthma
<i>Nicoletella semolina</i>in the airways of healthy horses and horses with severe asthma Open
Background Nicoletella semolina was identified in the airways of horses and its low prevalence could be because of its difficult differentiation from other Pasteurellaceae . Objectives To develop a molecular method for the identification o…
View article: Neuropsychiatric copy number variants exert shared effects on human brain structure
Neuropsychiatric copy number variants exert shared effects on human brain structure Open
Background Copy Number Variants (CNVs) associated with autism and schizophrenia have large effects on brain anatomy. Yet, neuroimaging studies have been conducted one mutation at a time. We hypothesize that neuropsychiatric CNVs may exert …
View article: A chicken intestinal ligated loop model to study the virulence of <i>Clostridium perfringens</i> isolates recovered from antibiotic-free chicken flocks
A chicken intestinal ligated loop model to study the virulence of <i>Clostridium perfringens</i> isolates recovered from antibiotic-free chicken flocks Open
Necrotic enteritis (NE) is a major problem in antibiotic-free (ABF) chicken flocks and specific strains of Clostridium perfringens are known to induce NE. The objective of this study was to develop a chicken intestinal ligated loop model i…
View article: Comparative transcriptomic analysis of<i>Clostridium perfringens</i>biofilms and planktonic cells
Comparative transcriptomic analysis of<i>Clostridium perfringens</i>biofilms and planktonic cells Open
Clostridium perfringens is an opportunistic pathogen that can cause food poisoning in humans and various enterotoxaemias in animal species. Recently, C. perfringens was shown to form biofilms, a structured community of bacterial cells encl…
View article: Étude sur le biofilm et les mécanismes de résistance à la bacitracine chez Clostridium perfringens
Étude sur le biofilm et les mécanismes de résistance à la bacitracine chez Clostridium perfringens Open
Clostridium perfringens est ubiquitaire dans l’environnement. Ce microorganisme peut être retrouvé dans la flore normale du tractus gastro-intestinal des mammifères et peut également causer une variété d’infections intestinales. Le phénoty…