Faculty profile

Mariela Segura

ResearcherPathology and MicrobiologyUniversité de Montréal

This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a Université de Montréal directory, so their courses may be missing. Find their university profile.

Mariela Segura

Researcher

Pathology and Microbiology

Health Sciences

Université de Montréal

Montreal, Quebec, Canada

Supervision signals

Has led research grants, which requires an independent research appointment. Ask their department whether they supervise graduate students.
17 publications in the last five years, latest in 2026.
Senior (last) author on 5 recent papers, a sign of leading a research group.
Principal investigator on 9 research grants (5 CIHR, 4 NSERC), most recently in 2025.

These signals come from public records, including CIHR, NSERC and SSHRC funding decisions. Ask the professor or the graduate program whether they are taking new students.

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Citations

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Collaborators

Grants

Publications by year

Counts cover the works listed on the university profile; citation counts come from Dimensions.

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Signals and details

Research

Crc Streptococcus Suis Zoonosis Antimicrobial Resistance Emerging Disease Epidemiology Public Health Stakeholders

Latest papers

Lack of significant impact of deoxynivalenol (DON) on both swine dendritic cell activities and systemic infection caused by a virulent Streptococcus suis serotype 2 strain.
Veterinary research · 2026 · senior author
SSU_RS09155, a virulence-associated gene encoding a putative membrane of unknown function, that is essential for Streptococcus suis serotype 2 virulence.
Veterinary research · 2026
Comparative genome analysis of Streptococcus suis serotype 5 strains from humans and pigs revealed pathogenic potential of virulent, antimicrobial resistance, and genetic relationship.
Microbes and infection · 2025

All 85 publications

Latest funding

Canada Research Chair - Tier 1
CIHR · 2025 · Nominated PI
$1,400,000
Vitamin D supplementation to improve laying hen robustness, longevity, and egg quality
NSERC · 2022 · Co-investigator
$152,134
Acquisition of an ultracentrifuge to support research in the field of veterinary infectious diseases
NSERC · 2021 · Co-investigator
$139,491

All 17 grants and awards

85 publications.

Lack of significant impact of deoxynivalenol (DON) on both swine dendritic cell activities and systemic infection caused by a virulent Streptococcus suis serotype 2 strain.

Gilbert M, Lacouture S, Payen S, Chorfi Y, Gottschalk M, Segura M

Veterinary research2026Senior author

DOI: 10.1186/s13567-026-01745-7 PMID: 41947171

SSU_RS09155, a virulence-associated gene encoding a putative membrane of unknown function, that is essential for Streptococcus suis serotype 2 virulence.

Payen S, Lacouture S, Fittipaldi N, Segura M, Gottschalk M

Veterinary research2026

DOI: 10.1186/s13567-026-01761-7 PMID: 42087211

Comparative genome analysis of Streptococcus suis serotype 5 strains from humans and pigs revealed pathogenic potential of virulent, antimicrobial resistance, and genetic relationship.

Kerdsin A, Hatrongjit R, Wongsurawat T, Jenjaroenpun P, Zheng H, Chopjitt P, Boueroy P, Fittipaldi N, Segura M, Gottschalk M

Microbes and infection2025

DOI: 10.1016/j.micinf.2023.105273 PMID: 38070594

Pathogenic characteristics of an unencapsulated Streptococcus suis serotype 31 strain isolated from a patient in Thailand.

Boueroy P, Phetburom N, Chareonsudjai S, Chopjitt P, Hatrongjit R, Payen S, Segura M, Gottschalk M, Kerdsin A

Scientific reports2025

DOI: 10.1038/s41598-025-21437-0 PMID: 41162466

Unmutated but T cell dependent IgM antibodies targeting Streptococcus suis play an essential role in bacterial clearance.

Dolbec D, Lehoux M, de Beauville AA, Zahn A, Di Noia JM, Segura M

PLoS pathogens2024Senior author

DOI: 10.1371/journal.ppat.1011957 PMID: 38241393

The granulocyte colony-stimulating factor produced during Streptococcus suis infection controls neutrophil recruitment in the blood without affecting bacterial clearance.

Bleuzé M, Lehoux M, Auger JP, Gottschalk M, Segura M

Frontiers in immunology2024Senior author

DOI: 10.3389/fimmu.2024.1403789 PMID: 39156897

Immune response induced by a Streptococcus suis multi-serotype autogenous vaccine used in sows to protect post-weaned piglets.

Jeffery A, Gilbert M, Corsaut L, Gaudreau A, Obradovic MR, Cloutier S, Frenette MC, Surprenant C, Lacouture S, Arnal JL, Gottschalk M, Segura M

Veterinary research2024Senior author

DOI: 10.1186/s13567-024-01313-x PMID: 38715138

Lipoteichoic acids influence cell shape and bacterial division of Streptococcus suis serotype 2, but play a limited role in the pathogenesis of the infection.

Payen S, Giroux MC, Gisch N, Schombel U, Fittipaldi N, Segura M, Gottschalk M

Veterinary research2024

DOI: 10.1186/s13567-024-01287-w PMID: 38504299

Study of the Role of Lipoprotein Maturation Enzymes in the Pathogenesis of the Infection Caused by the Streptococcus suis Serotype 2 Sequence Type 25 North American Prototype Strain.

Payen S, Roy D, Okura M, Segura M, Gottschalk M

Pathogens (Basel, Switzerland)2023

DOI: 10.3390/pathogens12111325 PMID: 38003790

Metabolic insights and background from naturally affected pigs during Streptococcus suis outbreaks.

Fabà L, Aragon V, Litjens R, Galofré-Milà N, Segura M, Gottschalk M, Doelman J

Translational animal science2023

DOI: 10.1093/tas/txad126 PMID: 38023423

Canada Research Chair - Tier 1

Nominated PICIHR2025Canada Research Chairs - CIHR Funded - Tier 1

Principal investigators: Segura, Mariela A

Keywords: Crc

$1,400,000

Vitamin D supplementation to improve laying hen robustness, longevity, and egg quality

Co-investigatorNSERC2022Alliance Grants

Principal investigators: Létourneau Montminy, Marie-Pierre MP

$152,134

Acquisition of an ultracentrifuge to support research in the field of veterinary infectious diseases

Co-investigatorNSERC2021Research Tools and Instruments

Principal investigators: Gagnon, Carl

$139,491

The structure-function relationships between capsular polysaccharides and the immune system during Streptococcus suis infections

Principal investigatorNSERC2021Discovery Grants Program - Individual

Principal investigators: Segura, Mariela

$232,000

4th International Workshop on Streptococcus suis, an emerging human threat

Nominated PICIHR2018Planning and Dissemination Grant - Institute Community Support

Principal investigators: Segura, Mariela A; Gottschalk, Marcelo G

Keywords: Antimicrobial Resistance; Emerging Disease; Epidemiology; Public Health; Stakeholders; Streptococcus Suis; Vaccines; Zoonosis

$9,980

Canada Research Chair - Tier 1

Nominated PICIHR2018Canada Research Chairs - CIHR Funded - Tier 1

Principal investigators: Segura, Mariela A

Keywords: Crc

$1,400,000

Acquisition of a high-speed high-volume floor centrifuge to support research in the field of veterinary infectious diseases

Co-investigatorNSERC2017Research Tools and Instruments

Principal investigators: Gagnon, Carl

$54,062

NSERC CREATE in Milk Quality

Co-investigatorNSERC2015Collaborative Research and Training Experience

Principal investigators: Jacques, Mario

$1,601,102

Bead-based multiplexing technology ('Luminex') for multidisciplinary studies in veterinary medicine

Principal investigatorNSERC2014Research Tools and Instruments - Category 1 (<$150,000)

Principal investigators: Segura, Mariela

$74,232

La portion C-terminale de la protéine P97 de Mycoplasma hyopneumoniae: une nouvelle molécule adjuvante à des fins vaccinales

Co-investigatorNSERC2014Collaborative Health Research Projects

Principal investigators: Archambault, Denis

$364,958

From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.

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Mariela Segura

Research

Latest papers

Latest funding

Lack of significant impact of deoxynivalenol (DON) on both swine dendritic cell activities and systemic infection caused by a virulent Streptococcus suis serotype 2 strain.

SSU_RS09155, a virulence-associated gene encoding a putative membrane of unknown function, that is essential for Streptococcus suis serotype 2 virulence.

Comparative genome analysis of Streptococcus suis serotype 5 strains from humans and pigs revealed pathogenic potential of virulent, antimicrobial resistance, and genetic relationship.

Pathogenic characteristics of an unencapsulated Streptococcus suis serotype 31 strain isolated from a patient in Thailand.

Unmutated but T cell dependent IgM antibodies targeting Streptococcus suis play an essential role in bacterial clearance.

The granulocyte colony-stimulating factor produced during Streptococcus suis infection controls neutrophil recruitment in the blood without affecting bacterial clearance.

Immune response induced by a Streptococcus suis multi-serotype autogenous vaccine used in sows to protect post-weaned piglets.

Lipoteichoic acids influence cell shape and bacterial division of Streptococcus suis serotype 2, but play a limited role in the pathogenesis of the infection.

Study of the Role of Lipoprotein Maturation Enzymes in the Pathogenesis of the Infection Caused by the Streptococcus suis Serotype 2 Sequence Type 25 North American Prototype Strain.

Metabolic insights and background from naturally affected pigs during Streptococcus suis outbreaks.

Canada Research Chair - Tier 1

Vitamin D supplementation to improve laying hen robustness, longevity, and egg quality

Acquisition of an ultracentrifuge to support research in the field of veterinary infectious diseases

The structure-function relationships between capsular polysaccharides and the immune system during Streptococcus suis infections

4th International Workshop on Streptococcus suis, an emerging human threat

Canada Research Chair - Tier 1

Acquisition of a high-speed high-volume floor centrifuge to support research in the field of veterinary infectious diseases

NSERC CREATE in Milk Quality

Bead-based multiplexing technology ('Luminex') for multidisciplinary studies in veterinary medicine

La portion C-terminale de la protéine P97 de Mycoplasma hyopneumoniae: une nouvelle molécule adjuvante à des fins vaccinales

Frequent collaborators

Mariela Segura

Marcelo Gottschalk

Marcelo Gottschalk

Nahuel Fittipaldi

Jianguo Xu

Nahuel Fittipaldi

Jacques Thibodeau

Bernard Robaire

Serge Rivest

Guillaume Sebire

Volker Gerdts

Danuta Radzioch

Philippe Gros

Hugo Soudeyns

Karen Mossman

Ciriaco Piccirillo