Guillaume J. Bilodeau

Image Bilodeau, Guillaume
Research Scientist

Canadian Food Inspection Agency (CFIA), Ottawa Plant Laboratory (Fallowfield) - Pathogen Identification Research. Plant Pathogens Identification Research Lab (PIRL). Plans, organizes, coordinates and conducts research and development of technologies for detection and identification of plant pests (fungi-oomycetes) of regulatory significance. Expertise: Fungal detection and genotyping, Phytophthora, Phytophthora ramorum, Verticillium, Real-Time PCR, Molecular biology, genomic, metagenomic.

Canadian Food Inspection Agency

Research and/or project statements

Detection and genotyping of Plant pathogens of regulatory concern.

Professional activities / interests

  • Member of the American Phytopathology Society.
  • Member of the Canadian Phytopathological Society.
  • Member of the Quebec Society for Plant Protection.
  • Speaker at many conferences.
  • Supervision of graduate students and postdoctoral fellows.
  • Review of scientific texts and grant applications.

Education and awards


2008, Ph. D. degree in microbiology, Laval University, Québec, Québec, Canada

Thesis subject: Detection and genomic of Phytophthora ramorum causal agent of sudden oak death.

2003, M. sc. degree in microbiology, Laval University, Québec, Québec, Canada

2002, Bachelor's degree in microbiology, Laval University, Québec, Québec, Canada


2016 Public Service Award of Excellence, Scientific contribution;

2016 CFIA President's National Award. Dr. Brian Evans Award for partnership and team work.

CFIA Science Branch award 2016.

Natural Resources Canada Merit Award, Creativity and Innovation, 2008

CFS (Canadian Forest Service) Merit Awards 2007-2008

Key publications


Si Ammour, M., Bilodeau, G. J., Tremblay, D. M., Van der Heyden, H., Yaseen, T., Varvaro, L., and Carisse, O. 2017. Development of real-time isothermal amplification assays for onsite detection of Phytophthora infestans in potato leaves. Plant Dis. In Press.


Miles, Timothy D., Martin, Frank N., Robideau, Gregg P., Bilodeau, Guillaume J., and Michael D. Coffey. 2017. Systematic development of Phytophthora species-specific mitochondrial diagnostic markers for economically important members of the genus. Plant Disease, In Press.


Clime, Liviu, Li, Kebin, Geissler, Matthias,·Hoa , Xuyen D., Robideau, Gregg P., Bilodeau, Guillaume J. , and Teodor Veres. 2017. Separation and concentration of Phytophthora ramorum sporangia by inertial focusing in curving microfluidic flows. Microfluid Nanofluid 21:5 ; DOI 10.1007/s10404-016-1844-9


Gagnon, Marie-Claude, Feau, Nicolas, Dale,Angela Lynn, Dhillon, Braham, Hamelin, Richard. C, Brasier, Clive, Grünwald, Niklaus J., Brière, Stephan C., and Dr. Guillaume J. Bilodeau. 2017. Development and validation of polymorphic microsatellite loci for the NA2 lineage of Phytophthora ramorum from whole genome sequence data. Plant Disease, Volume 101, Number 5, Pages 666-673.


Feau, N., Taylor, G., Dale, A.L., Dhillon, B., Bilodeau, G. J. Birol, I., Jones, S. J. M. and Hamelin, R.C. (2016). Genome sequences of six Phytophthora species threatening forest ecosystems. Genomics Data 10: 85-88.


Tambong, James Mr. Renlin Xu, Dr. Fouad Daayf, Mr. Stephan Briere, Guillaume Bilodeau, Mr. Raymond Tropiano, Allison Hartke, Lana M Reid, Morgan Cott, Tammy Cote, and Irina Agarkova. 2016. Genome analysis and development of a multiplex TaqMan real-time PCR for specific identification and detection of Clavibacter michiganensis subsp. Nebraskensis. Phytopathology. 106(12):1473-1485.


Gagnon, M-C. L.  T. A. J. van der Lee, P. J. M. Bonants, D. S. Smith, X. Li, C. A. Lévesque and G. J. Bilodeau,. 2016. Development of polymorphic microsatellite loci for potato wart from next-generation sequence data. Phytopathology, 106-6, P636-644.


Herath, P., S. Beauseigle, B. Dhillon1, D. I. Ojeda, G. Bilodeau, N. Isabel, M.-C. Gros-Louis, H. Kope, S. Zeglen, R. C. Hamelin, and Nicolas Feau. 2016. Anthropogenic signature in the incidence and distribution of an emerging pathogen of poplars. Biological Invasions 18:1147–1161.   DOI 10.1007/s10530-015-1051-8


Gagnon, M-C. L.  Kawchuk, D., M.  Tremblay, O. Carisse, G. Danies, W .E. Fry, C. A. Lévesque and G. J. Bilodeau. 2015 Identification of the dominant genotypes of Phytophthora infestans in Canada using real-time PCR with ASO-PCR assays. Plant Disease, Vol. 100, No. 7: 1482-1491 (Accepted on December 31, 2015)

Robideau, G. P., Foottit, R. G., Humble, L. M., Noseworthy, M. K., Wu, T. and Bilodeau, G. J. (2016), Real-time PCR identification of the ambrosia beetles, Trypodendron domesticum (L.) and Trypodendron lineatum (Olivier) (Coleoptera: Scolytidae). Journal of Applied Entomology 140:299-307. doi: 10.1111/jen.12254


Josyanne Lamarche, Amélie Potvin, Gervais Pelletier, Don Stewart, Nicolas Feau, Dario I. O. Alayon, Angela L. Dale, Aaron Coelho, Adnan Uzunovic, Guillaume J. Bilodeau, Stephan C. Brière, Richard C. Hamelin, Philippe Tanguay. 2015. Molecular Detection of 10 of the Most Unwanted Alien Forest Pathogens in Canada Using Real-Time PCR. PLoS ONE 10(8): e0134265. doi:10.1371/journal.pone.0134265

James Tabi Tambong, Renlin Xu, Zaky Adam, Morgan Cott,  Karin Rose, Lana Reid, Fouad Daayf, Stephan Brière, and Guilliame Bilodeau , 2015, Draft Genome Sequence of Clavibacter michiganensis subsp. nebraskensis  Strain DOAB 397 isolated from infected field corn plant in Manitoba, Canada., ASM Genome Announcements 3(4) · August 2015. DOI: 10.1128/genomeA.00768-15.


Geissler, M., Li, K., Zhang, X., Clime, L., Robideau, G.P., Bilodeau, G.J., and T. Veres. 2014. Integrated air stream micromixer for performing bioanalytical assays on a plastic chip. Lab Chip, 14 (19), 3750-3761. 00, 1-12. DOI: 10.1039/c4lc00769g


Gagnon, M.-C., Bergeron, M.-J., Hamelin, R.C., Grunwald N.G. and G.J. Bilodeau. 2014. Real-time PCR assay to distinguish the four Phytophthora ramorum lineages using the cellulose binding elicitor lectin (CBEL) locus. Canadian Journal of Plant Pathology, 36, (3). 367-376.


Bilodeau, G. J., Martin, F. N., Coffey, M. D. and Blomquist, C. L. 2014. Development ofa multiplex assay for genus and species-specific detection of Phytophthora based on differences in mitochondrial gene order. Phytopathology 104 (7). 733-748.


Chen, W., Robleh Djama, Z., Coffey, M. D., Martin, F. N., Bilodeau, G.J., Radmer, L., Denton, G., and Lévesque, C. A., 2012. Membrane-based oligonucleotide array developed from multiple markers for the detection of many Phytophthora species. Phytopathology, 103:43-54.


Bilodeau G.J., S. T. Koike, P. Uribe, and F. N. Martin. 2012. Assay development for rapid detection and quantification of Verticillium dahliae in soil. Phytopathology, 102:331-343.


Bilodeau G.J., 2011. Quantitative polymerase chain reaction for the detection of organisms in soil., CAB Reviews: Perspectives in Agriculture, Veterinary Science, Nutrition and Natural Resources  6, No. 014:1-14.


Bilodeau G.J., Pelletier, G., Pelletier, F., Lévesque, C. A., and R. C. Hamelin. 2009. Multiplex real-time polymerase chain reaction (PCR) for detection of Phytophthora ramorum, the causal agent of sudden oak death. Can. J. Plant. Pathol.  31(2): 195-210.


Niklaus J. Grünwald, Erica M. Goss, Kelly Ivors, Matteo Garbelotto, Frank N. Martin, Simone Prospero, Everett Hansen, Peter J.M. Bonants, Richard C. Hamelin, Gary Chastagner, Sabine Werres, David M. Rizzo, Gloria Abad, Paul Beales, Guillaume J. Bilodeau, et al. 2009 Standardizing the Nomenclature for Clonal Lineages of the Sudden Oak Death Pathogen, Phytophthora ramorum Phytopathology 99, Number 7: 792-795.


Martin, F.N., Coffey, M.D., Zeller, K., Hamelin, R., Tooley, P., Garbelotto, M., Hughes, K.J.D., Kubisiak, T., Bilodeau, G.J., Levy, L., Blomquist, C. and Berger, P. 2009 Evaluation of molecular markers for Phytophthora ramorum detection and identification; testing for specificity using a standardized library of isolates. Phytopathology 99: 390-403.


Robideau, G.P., F.L., Caruso, P.V., Oudemans, P.S., McManus, M.A., Renaud, M.E., Auclair, G.J., Bilodeau, D., Yee, N.L., Desaulniers, J.W., DeVerna, and C.A., Lévesque. 2008. Detection of Cranberry Fruit Rot Fungi Using DNA Array Hybridization. Can. J. Plant. Pathol. 30 (2) : 226-240. (Erratum). Canadian Journal of Plant Pathology/Revue canadienne de phytopathologie, 30(4), p. 622.


Bilodeau, G.J., C.A. Lévesque, A.W.A.M. de Cock, S.C. Brière, and R.C. Hamelin. 2007 Differentiation of european and north american genotypes of Phytophthora ramorum by real-time polymerase chain reaction primer extension. Can. J. Plant. Pathol. 29 (4): 408-420.


Bilodeau, G. J., C. A. Lévesque, A.W.A.M. de Cock, C. Duchaine, S. Brière, P. Uribe, F.N. Martin and R. C. Hamelin. 2007. Molecular Detection of Phytophthora ramorum by Real Time-PCR Using TaqMan, SYBR®Green and Molecular Beacons. Phytopathology 97 (5): 632-642.


Research Scientist, Canadian Food Inspection Agency (CFIA);

Adjunct Professor, Université Laval, Department of microbiology, biochemistry and bioinformatic;

Senior Editor of Plant Disease.



Other languages

Francais, Anglais