Denis Roy

• Institut sur la nutrition et les aliments fonctionnels

Financements des 2 dernières années

Encadrements des 5 dernières années

• Alexandre Jules Kennang Ouamba, Stage postdoctoral en microbiologie agroalimentaire
• Carine Diarra, Maîtrise en sciences des aliments - microbiologie alimentaire - avec mémoire
• Elena Cristina Pulido Mateos, Doctorat en sciences des aliments - microbiologie alimentaire
• Mérilie Gagnon, Stage postdoctoral en microbiologie agroalimentaire
• Samuel Jean, Maîtrise en sciences des aliments - microbiologie alimentaire - avec mémoire

Travaux de recherche des 5 dernières années

Biofilm Formation in Dairy: A Food Safety Concern—Insights into the prevalence of Pseudomonadota and yeasts on milking system surface biofilms Journal of Dairy Science, 2025. Mérilie Gagnon, Samuel Jean, Juan de Toro-Martín, Gisèle LaPointe, Évelyne Guévremont, Simon Dufour, Denis Roy. DOI 10.3168/jds.2024-26016

Biofilm Formation in Dairy: A Food Safety Concern—Microbial community tracking from dairy farm to factory; Insights on biofilm management for enhanced food safety and quality Journal of Dairy Science, 2025. Gisèle LaPointe, Tara Wilson, Armin Tarrah, Mérilie Gagnon, Denis Roy. DOI 10.3168/jds.2024-25397

Lactiplantibacillus plantarum strengthens the intestinal barrier: involvement of the endocannabinoidome American Journal of Physiology-Gastrointestinal and Liver Physiology, 2025. Bénédicte Allam-Ndoul, Elena Cristina Pulido-Mateos, Frédéric Bégin, Gabrielle St-Arnaud, Briscia Anaid Tinoco Mar, Thomas Mayer, Elizabeth Dumais, Nicolas Flamand, Frederic Raymond, Denis Roy, Yves Desjardins, Vincenzo Di Marzo, Alain Veilleux. DOI 10.1152/ajpgi.00142.2024

Lactiplantibacillus plantarum Interstrain Variability in the Production of Bioactive Phenolic Metabolites from Flavan-3-ols Journal of Agricultural and Food Chemistry, 2024. Elena C. Pulido-Mateos, Jacob Lessard-Lord, Yves Desjardins, Denis Roy. DOI 10.1021/acs.jafc.4c07890

Oral Trehalose Intake Modulates the Microbiota–Gut–Brain Axis and Is Neuroprotective in a Synucleinopathy Mouse Model Nutrients, 2024. Solène Pradeloux, Katherine Coulombe, Alexandre Jules Kennang Ouamba, Amandine Isenbrandt, Frédéric Calon, Denis Roy, Denis Soulet. DOI 10.3390/nu16193309

Short term supplementation with cranberry extract modulates gut microbiota in human and displays a bifidogenic effect npj Biofilms and Microbiomes, 2024. Jacob Lessard-Lord, Charlène Roussel, Joseph Lupien-Meilleur, Pamela Généreux, Véronique Richard, Valérie Guay, Denis Roy, Yves Desjardins. DOI 10.1038/s41522-024-00493-w

Structural characterization of an exopolysaccharide produced by two strains of Lacticaseibacillus casei Carbohydrate Research, 2024. Marie-Rose Van Calsteren, Fleur Gagnon, Nancy Guertin, Denis Roy. DOI 10.1016/j.carres.2024.109056

Mathematical modeling of fluid dynamics in in vitro gut fermentation systems: A new tool to improve the interpretation of microbial metabolism The FASEB Journal, 2024. Jacob Lessard‐Lord, Joseph Lupien‐Meilleur, Charlène Roussel, Benjamin Gosselin‐Cliche, Cristoforo Silvestri, Vincenzo Di Marzo, Denis Roy, Elsa Rousseau, Yves Desjardins. DOI 10.1096/fj.202301739RR

Biotransformation of camu-camu galloylated ellagitannins by <i>Lactiplantibacillus plantarum</i> with extracellular tannase activity Food & Function, 2024. Pulido-Mateos, Elena C., Lessard-Lord, Jacob, Desjardins, Yves, Roy, Denis. DOI 10.1039/D4FO00149D

Supplementation with a cranberry extract favors the establishment of butyrogenic guilds in the human fermentation SHIME system Microbiome Research Reports, 2024. Cattero, Valentina, Roussel, Charlene, Lessard-Lord, Jacob, Roy, Denis, Desjardins, Yves. DOI 10.20517/MRR.2024.17

Phylogenetic variation in raw cow milk microbiota and the impact of forage combinations and use of silage inoculants Frontiers in Microbiology, 2023. Alexandre J. K. Ouamba, Mérilie Gagnon, Thibault Varin, P. Yvan Chouinard, Gisèle LaPointe, Denis Roy. DOI 10.3389/fmicb.2023.1175663

Biofilm formation by heat-resistant dairy bacteria: multispecies biofilm model under static and dynamic conditions Applied and Environmental Microbiology, 2023. Carine Diarra, Coralie Goetz, Mérilie Gagnon, Denis Roy, Julie Jean. DOI 10.1128/aem.00713-23

A discriminant analysis of plasma metabolomics for the assessment of metabolic responsiveness to red raspberry consumption Frontiers in Nutrition, 2023. Valentin Barbe, Juan de Toro-Martín, Rodrigo San-Cristobal, Véronique Garneau, Geneviève Pilon, Patrick Couture, Denis Roy, Charles Couillard, André Marette, Marie-Claude Vohl. DOI 10.3389/fnut.2023.1104685

Comprehensive analysis of the metabolic and genomic features of tannin transforming Lactiplantibacillus plantarum strains Scientific Reports, 2022. Elena C. Pulido-Mateos, Jacob Lessard-Lord, Denis Guyonnet, Yves Desjardins, Denis Roy. DOI 10.1038/s41598-022-26005-4

Impact of Blueberry Consumption on the Human Fecal Bileacidome: A Pilot Study of Bile Acid Modulation by Freeze-Dried Blueberry Nutrients, 2022. William Gagnon, Véronique Garneau, Jocelyn Trottier, Mélanie Verreault, Charles Couillard, Denis Roy, André Marette, Jean-Philippe Drouin-Chartier, Marie-Claude Vohl, Olivier Barbier. DOI 10.3390/nu14183857

Cranberry polyphenols and agave agavins impact gut immune response and microbiota composition while improving gut barrier function, inflammation, and glucose metabolism in mice fed an obesogenic diet. Frontiers in immunology, 2022. Denis Roy. DOI 10.3389/fimmu.2022.871080

Metataxonomic insights into the microbial ecology of farm-scale hay, grass or legume, and corn silage produced with and without inoculants Frontiers in Systems Biology, 2022. Denis Roy. DOI 10.3389/fsysb.2022.955611

Graduate Student Literature Review: Farm management practices: Potential microbial sources that determine the microbiota of raw bovine milk Journal of Dairy Science, 2022. DOI 10.3168/jds.2021-21758

Gut Microbial Signatures of Distinct Trimethylamine N-Oxide Response to Raspberry Consumption Nutrients, 2022. Maximilien Franck, Juan de Toro-Martín, Thibault V. Varin, Véronique Garneau, Geneviève Pilon, Denis Roy, Patrick Couture, Charles Couillard, André Marette, Marie-Claude Vohl. DOI 10.3390/nu14081656

Raspberry consumption: identification of distinct immune-metabolic response profiles by whole blood transcriptome profiling The Journal of Nutritional Biochemistry, 2022. Maximilien Franck, Juan de Toro-Martín, Thibault V. Varin, Véronique Garneau, Geneviève Pilon, Denis Roy, Patrick Couture, Charles Couillard, André Marette, Marie-Claude Vohl. DOI 10.1016/j.jnutbio.2022.108946

Optimization of bioprocess of Schleiferilactobacillus harbinensis Ca12 and its viability in frozen Brazilian berries (Açai, Euterpe oleracea Mart.) Brazilian Journal of Microbiology, 2021. DOI 10.1007/s42770-021-00559-3

Effect of two thermoresistant non-starter lactic acid bacteria strains on volatilome profile during Cheddar ripening simulation International Journal of Food Microbiology, 2021. DOI 10.1016/j.ijfoodmicro.2021.109382

Polyphenol-Mediated Gut Microbiota Modulation: Toward Prebiotics and Further Frontiers in Nutrition, 2021. DOI 10.3389/fnut.2021.689456

The postnatal window is critical for the development of sex-specific metabolic and gut microbiota outcomes in offspring Gut Microbes, 2021. Laurence Daoust, Béatrice S.-Y. Choi, Sébastien Lacroix, Vanessa Rodrigues Vilela, Thibault Vincent Varin, Stéphanie Dudonné, Geneviève Pilon, Denis Roy, Emile Levy, Yves Desjardins, Benoit Chassaing, André Marette. DOI 10.1080/19490976.2021.2004070