Dr. Sarah Hambleton

Research Scientist, Mycologist

Areas of Expertise:
• Systematic studies of rust and smut fungi on crop and weed hosts to improve identification systems and add to biodiversity records
• Development of DNA sequence databases for rust and smut fungi from new collections and from herbarium specimens
• Identifcation of species-specific molecular markers
• Rapid detection and monitoring of high risk plant pathogenic fungi

Current research and/or projects

  • Fungal and Bacterial Biosystematics - bridging taxonomy and “omics” technology in agricultural research and regulation; J-002272; Project lead(s): Sarah Hambleton, Hai Nguyen; Budgets: $2,495,000; Duration 2019/04/01 – 2024/03/31; Proposal stream: STB Annual Call for RDT Proposal
  • Agropathogenic fungi in omics big data; J-002216; Project lead(s): Wen Chen; Budgets: $296,000; Duration 2019/04/01 – 2022/03/31; Proposal stream: STB Annual Call for RDT Proposal

Key publications

  1. Nguyen HDT, Grunwald NJ, Abad ZG, Martin FN, Crouch J, Hambleton S, Dettman J, Liu M, Harris LJ, Castlebury L, Salagado-Salazar C, Cowger C, Ellouz O, Mollov D, Fall ML, Ling K, Griffifths J, Mahaffee W, Chen W, Sultata T, Yu Q, Carta LK, Skantar AM, Tambong J, Rogers E, Li S, Dumonceaux TJ, Widmer TL. The 2019 AAFC-USDA meeting on genotyping and monitoring of high-risk plant pathogens.

    2019 - View publication details

  2. Tremblay, É. D., D. Shearlaw, H. D. T. Nguyen, G. J. Bilodeau and S. Hambleton. 2019. Laboratory testing of qPCR assays designed in silico reveal promising results to rapidly identify phytopathogenic Tilletia species. In Plant Canada 2019 meeting. July 7-10 2019, Guelph, Ontario, Canada. (Poster).

    2019 - View publication details

  3. Hambleton S., Liu M., Eggertson Q., Wilson S., Carey J., Anikster Y., Kolmer J. 2019. Crown rust fungi with short lifecycles – the Puccinia mesnieriana species complex. Sydowia 71:47-63

    2019 - View publication details

  4. Barnes C. W., Hambleton S., Ordonez M. E., Fetch T. G., Chaves M., Martinelli J., da Silva G., Bordignon S., Campos P., Gandullo R., Madariaga R., Azzimonti G., and German S. 2018. Phylogenetic analysis of South American Berberis species and their related rust fungi. (Abstr.)
    Phytopathology 108:S1.1. https://doi.org/10.1094/PHYTO-108-10-S1.87.

    2018 - View publication details

  5. M. Liu, S. Hambleton, Y. Anikster, And J. Kolmer 2019. Gene flow as a character in polyphasic classification of phytopathogenic fungi: a case study in wheat leaf rust species complex. Canadian Journal of Plant Pathology 41(1): 155

    2018 - View publication details

  6. Fetch T, Hambleton S, Chaves M, Martinelli J, Da Silva G, Bordignon S, Campos P, Madariaga R, Barnes C, Ordóñez M, Azzimonti G, Germán S. 2017. Collection and characterization of species of Berberis in Argentina, Brazil, Chile, Ecuador and Uruguay. Annual Meeting, The Canadian Phytopathological Society, 2017 / Réunion annuelle, la société canadienne de phytopathologie, 2017. Canadian Journal of Plant Pathology 39(4):555. DOI 10.1080/07060661.2017.1386378

    2017 - View publication details

  7. Demers, J.E., Liu, M., Hambleton, S., Castlebury, L.A. (2017). Rust fungi on panicum, 109(1), 1-17. http://dx.doi.org/10.1080/00275514.2016.1262656

    2017 - View publication details

  8. Chen W, Hambleton S, Seifert KA, Lévesque CA, Carisse O, Moussa SD, Peters RD, Lowe C, Chapados JT. 2017. Assessing performance of spore samplers in monitoring and forecasting aeromycobiota diversity and fungal plant pathogen distribution patterns. Applied and Environmental Microbiology Submitted, under peer review.

    2017 - View publication details

  9. Hambleton, S., Eggertson, Q., Lévesque, C.A. Chen, W., Barasubiye, T., Redhead, S.A., and Liu, M. (2016). " DNA-barcoding the Powdery Mildews – sampling herbarium specimens in the National Mycological Herbarium (DAOM).", Canadian Phytopathological Society Annual Meeting, Delta Beausejour, Moncton, New Brunswick, Canada, June 12-15, 2016. (Poster)

    2016 - View publication details

  10. Hambleton, S., Eggertson, Q., Wilson, S., Redhead, S.A., and Lévesque, C.A. (2016). "DNA-barcoding the rusts – sampling herbarium specimens in the National Mycological Herbarium (DAOM).", Canadian Phytopathological Society Annual Meeting, Delta Beausejour, Moncton, New Brunswick, Canada, June 12-15, 2016. (Abstract and Poster)

    2016 - View publication details

  11. Chen, W., C. Visagie, M. Liu, K. Seifert, T. Graefenhan, S. Hambleton and C. A. Levesque (2016). Geographic atlas of mycotoxigenic fungi through metagenomic surveys of DNA barcodes using a novel taxonomic classification approach. 2016 Canadian Phytopathological Society (CPS) annual meeting, June 12-15, 2016, Moncton, New Brunswick.

    2016 - View publication details

  12. Chen, W., Hambleton, S., and Lévesque, C.A. (2015). "Environmental metagenomics for plant pathogen surveillance: the promise and the practice.", Invited Oral Presentation at Institute of Microbiology, Chinese Academy of Sciences, Beijing, China, September 30, 2015. (Presentation)

    2015 - View publication details

  13. Lévesque, C.A., Chen, W., Hambleton, S., Seifert, K.A., Adam, Z., Bilodeau, G.J., Cullis, J., Demeke, T., Dumonceaux, T.J., Gagnon, M., Graefenhan, T., Kawchuk, L.M., Khan, I.U.H., Lewis, C.T., Li, X., Links, M.G., Mimee, B., Rott, M., Tambong, J.T., Topp, E., Yu, Q., and Yuan, K. (2015). Project CRTI 09-462RD - Next generation sequencing, direct detection and genotyping of fungi, bacteria and nematodes in the agri-food system. DRDC-RDDC-2015-C148. Final Close-Out Report. (Report)

    2015 - View publication details

  14. Lévesque, C.A., Chen, W., Hambleton, S., Seifert, K.A., Adam, Z., Bilodeau, G.J., Cullis, J., Demeke, T., Dumonceaux, T.J., Gagnon, M., Graefenhan, T., Kawchuk, L.M., Khan, I.U.H., Lewis, C.T., Li, X., Links, M.G., Mimee, B., Rott, M., Tambong, J.T., Yu, Q., and Yuan, K. (2015). Project CRTI 09-462RD - Next generation sequencing, direct detection and genotyping of fungi, bacteria and nematodes in the agri-food system. Final Report. 54. http://cradpdf.drdc-rddc.gc.ca/PDFS/unc195/p802330_A1b.pdf. (Report)

    2015 - View publication details

  15. Lévesque, C.A., Chen, W., Hambleton, S., Seifert, K.A., and Graefenhan, T. (2015). "Environmental Sequencing – A New Frontier for Species Identification.", The First National Science Day of the Science and Technology Branch of AAFC, Horticulture Research and Development Centre (HRDC), St-Jean-sur-Richelieu, QC, Canada, July 9, 2015. (Presentation)

    2015 - View publication details

  16. Chen, W., Redhead, S.A., Seifert, K.A., Xiong, K., Hambleton, S., and Lévesque, C.A. (2015). "Fungal pathogen surveillance using metagenomics approach requires one fungus one name.", XVIII International Plant Protection Congress (IPPC), Free University Berlin, Henry Ford Building, Berlin, Germany, August 24-27, 2015.

    2015 - View publication details

  17. Hambleton, S., Eggertson, Q.A., and Liu, M. (2015). "The rust pathogens of Rubus in Canada – identification, nomenclature and DNA-barcoding.", Botany 2015, Shaw Convention Center, Edmonton, Alberta, Canada, July 25-29, 2015.

    2015 - View publication details

  18. Lowe, C., Zahariev, M., Liu, M., Hambleton, S., Seifert, K.A., Lévesque, C.A., and Chen, W. (2015). "Computational pipeline to improve detection accuracy of plant pathogens from NGS datasets using signature oligonucleotides.", American Phytopathological Society Annual Meeting, Pasadena Convention Center, Pasadena, CA, USA, August 1-5, 2015. (Poster)

    2015 - View publication details

  19. Stielow, J.B., Lévesque, C.A., Seifert, K.A., Meyer, W., Irinyi, L., Smits, D., Renfurm, R., Verkley, G.J.M., Groenewald, M., Chaduli, D., Lomascolo, A., Welti, S., Lesage-Meessen, L., Favel, A., Al-Hatmi, A.M.S., Damm, U., Yilmaz, N., Houbraken, J., Lombard, L., Quaedvlieg, W., Binder, M., Vaas, L.A.I., Vu, D., Yurkov, A., Begerow, D., Roehl, O., Guerreiro, M., Fonseca, A., Samerpitak, K., Van Diepeningen, A.D., Dolatabadi, S., Moreno, L.F., Casaregola, S., Mallet, S., Jacques, N., Roscini, L., Egidi, E., Bizet, C., Garcia-Hermoso, D., Martín, M.P., Deng, S., Groenewald, J.Z., Boekhout, T., De Beer, Z.W., Barnes, I., Duong, T.A., Wingfield, M.J., De Hoog, G.S., Crous, P.W., Lewis, C.T., Hambleton, S., Moussa, T.A.A., Al-Zahrani, H.S., Almaghrabi, O.A., Louis-Seize, G., Assabgui, R., McCormick, W., Omer, G., Dukik, K., Cardinali, G., Eberhardt, U., De Vries, M., Robert, V. (2015). One fungus, which genes? Development and assessment of universal primers for potential secondary fungal DNA barcodes, 35(1), 242-263. http://dx.doi.org/10.3767/003158515X689135

    2015 - View publication details

  20. Rioux, S., Mimee, B., Gagnon, A.È., Hambleton, S. (2015). First report of stripe rust (Puccinia striiformis f. Sp.Tritici) on wheat in Quebec, Canada, 95(1), 7-9. http://dx.doi.org/10.7202/1028400ar

    2015 - View publication details