Karine Dufresne

Assistant Professor

Université de Montréal

Canada

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Karine Dufresne is an Assistant Professor at Université du Québec à Montréal, Canada. Her research focuses on the mechanisms of bacterial virulence, particularly the interactions between Staphylococcus aureus and the immune system, as well as the role of fimbriae in Salmonella enterica. Dr. Dufresne's recent publications explore topics such as bacterial persistence in surgical infections, the immune response to superantigens, and the regulatory mechanisms affecting pathogenicity in various environments.

Articles (11)

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2025

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2025

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2025

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2024

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2024

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2024

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2024

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2023

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2022

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2021

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2020

Collaborators (6)

Jeremy Burton

Western University

CANADA

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John K. McCormick

University of Western Ontario

CANADA

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Stephen Tuffs

Assistant Professor

University of Victoria

CANADA

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Martin McGavin

Professor

Western University

CANADA

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Robert Flick

University of Toronto

CANADA

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Kait Al

Western University

CANADA

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Karine Dufresne

Research Interests

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Articles (11)

TSST-1 promotes colonization of Staphylococcus aureus within the vaginal tract by activation of CD8 + T cells

Identification of OxyR as an activator of type 1 fimbriae ( fim ) in Salmonella enterica serovar Typhi

Evidence that staphylococcal superantigens promote within-patient bacterial persistence following post-operative surgical site infection

Discovery of an antivirulence compound that targets the Staphylococcus aureus SaeRS two-component system to inhibit toxic shock syndrome toxin-1 production

Novel insights into the immune response to bacterial T cell superantigens

Vaginal community state types (CSTs) alter environmental cues and production of the Staphylococcus aureus toxic shock syndrome toxin-1 (TSST-1)

Interplay between Staphylococcus aureus and the vaginal microbiota

The fadXDEBA locus of Staphylococcus aureus is required for metabolism of exogenous palmitic acid and in vivo growth

Glucose Mediates Niche-Specific Repression of Staphylococcus aureus Toxic Shock Syndrome Toxin-1 through the Activity of CcpA in the Vaginal Environment

Identification of Crp as a novel regulator of the Std fimbrial expression in Salmonella

New Roles for Two-Component System Response Regulators of Salmonella enterica Serovar Typhi during Host Cell Interactions.

Collaborators (6)

Jeremy Burton

John K. McCormick

Stephen Tuffs

Martin McGavin

Robert Flick

Kait Al

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