Professor Mario A. MONTEIRO


Department of Chemistry, University of Guelph, Guelph, Ontario, CANADA







Voted one of the most influential people in vaccines



Diarrhea vaccine (anti-Campylobacter jejuni) enters Phase 1 human clinical trial



The Bug Doctor ACCN article by Roberta Staley



A vaccine target for Clostridium bolteae, an autism-associated bacterium



Gut bacteria may hold key to some autism-related symptoms


Click here to familiarize yourself with our research or watch videos 1, 2, 3 and 4

Photo: Trina Koster Photography



Read about our most recent discoveries here:


Anti-diarrhea vaccine (anti-Campylobacter jejuni)

Design of Campylobacter jejuni vaccine

Review of Campylobacter polysaccharide vaccines

Research publication about anti-diarrhea vaccine

news article


Clostridium difficile vaccine

Review about Clostridium difficile carbohydrate-based vaccines

Discovery of Clostridium difficile capsule polysaccharides PS-I and PS-II

Patent divulging water-soluble polysaccharides (PS-I and PS-II) and phenol-soluble polysaccharide (PS-III) of Clostridium difficile

Discovery of glucan in Clostridium difficile spores and immunogenicity of PS-II

Synthesis and immunogenicity of Clostridium difficile PS-II conjugate vaccines

Synthesis of the repeating unit of Clostridium difficile polysaccharide PS-I and detection of PS-I antibodies


Vaccine against autism-associated bacteria

Key points and goals

Discovery of Clostridium bolteae immunogenic polysaccharide


Gastric cancer vaccine (anti-Helicobacter pylori)

Discovery of Helicobacter pylori polysaccharides

Review of Helicobacter pylori polysaccharides

Research publication about gastric cancer vaccine (Helicobacter pylori)

news article


Otitis media vaccine (middle-ear infection vaccine)

Discovery of Alloicoccus otitidis polysaccharides

Alloiococcus otitidis vaccine patent (otitis media)


Research article about new conjugation strategy for vaccine development and that yields more immunogenic conjugate vaccines


Studies about new Ruthenium Chloride complexes and the composition of the coordination precursor Ruthenium Blue






List of our publications on PubMed and Google


Professional Experience


Editorial Board Member of Carbohydrate Research




Research Team


Z. MA (Post-Doctoral Associate)

●Y. JIAO (Ph.D. Student)

B. PEQUEGNAT (Ph.D. Student)

P. GABRYELSKI (M.Sc. Student)

●E. OMARI (M.Sc. Student)

●T. MURPHY (Undergraduate Research Student)


List of Former Group Members


Join our research group and be part our educational and scientific discoveries!



►New students must complete Workplace Hazardous Materials Information System (WHMIS) training and the Safety Training Course, and read the laboratory safety guidelines before starting laboratory work in laboratory.

Safety glasses and lab coats are required at all times when visiting or working in laboratory.


Are you interested in joining our research group?

Please send me ( your complete curriculum vitae and two reference letters or contacts.

If you do not have any publications and are applying for a Ph.D. position, you must submit with your application a copy of your M.Sc. thesis.

Please note that I will reply only if a suitable position is available.

Potential graduate students have to be accepted by the Guelph-Waterloo Centre for Graduate Work in Chemistry and Biochemistry.