Laroche, André, Ph.D.

Research Scientist


Contact Information:

5403 - 1 Avenue South
PO Box 3000
Lethbridge Alberta, Alberta T1J 4B1
Telephone: 403-317-2224
Fax: 403-382-3156
Email: andre.laroche@agr.gc.ca

Areas of Expertise:

  • Cereal functional genomics of biotic and abiotic stress, plant engineering, gene expression analysis, winter hardiness, fungal diseases: snow mould resistance, smut and bunt, stripe and leaf rust, biorefinery, methodology development, DNA marker assisted selection; gene modification, genomic and cDNA clone isolation, proteomic maps, lipid metabolism, winter and spring wheat, tritcale.

Current Projects:

  • Response to abiotic and biotic stress in plant
  • X Triticosecale platform for the production of proteins, biopolymer precursors and oligofructans.
  • Sequence identification of proteins associated with Fusarium head blight (FHB) resistance in wheat and barley.
  • FHB mycotoxin detoxification and increased resistance to initial infection in wheat and barley. $423,000.
  • Biotechnology for Increasing Seed Oil content in Canola.

Affiliations:

  • Adjunct professor, Dept. Biological Sciences, University of Lethbridge
  • Adjunct Professor, Dept. Agriculture, Food and Nutritional Science, University of Alberta

Research Publications:

The links below lead to abstracts with access to full text.

2015

  • Khalil, H.B., Ehdaeivand, M.-R., Xu, Y., Laroche, A., and Gulick, P.J. (2015). "Identification and characterization of rye genes not expressed in allohexaploid triticale.", BMC Genomics, 16(1: Article 281), pp. 11 pages. doi : 10.1186/s12864-015-1480-x

2014

2013

  • Badea, A., Eudes, F., Laroche, A., Graf, R.J., Doshi, K., Amundsen, E.J., Nilsson, D., and Puchalski, B. (2013). "Antimicrobial peptides expressed in wheat reduce susceptibility to Fusarium head blight and powdery mildew.", Canadian Journal of Plant Science, 93(2), pp. 199-208. doi : 10.4141/CJPS2012-125
  • Gaudet, D.A. and Laroche, A. (2013). "Mechanisms of snow mold resistance.", in Imai, R., Yoshida, M., Matsumoto, N. (eds.) - Plant and Microbe Adaptations to Cold in Changing World, Springer, pp. 319-330.
  • Graf, R.J., Beres, B.L., Laroche, A., Gaudet, D.A., Eudes, F., Pandeya, R.S., Badea, A., and Randhawa, H.S. (2013). "Emerson hard red winter wheat.", Canadian Journal of Plant Science, 93(4), pp. 741-748. doi : 10.4141/CJPS2012-262
  • Graf, R.J., Beres, B.L., Randhawa, H.S., Gaudet, D.A., Badea, A., Laroche, A., Eudes, F., and Pandeya, R.S. (2013). "AAC Gateway hard red winter wheat.", Canadian Journal of Plant Science, 93(3), pp. 541-548. doi : 10.4141/CJPS2012-266
  • Tran, F., Penniket, C., Patel, R.V., Provart, N.J., Laroche, A., Rowland, O., and Robert, L.S. (2013). "Developmental transcriptional profiling reveals key regulators of Triticeae reproductive development.", Plant Journal, 74(6), pp. 971-988. doi : 10.1111/tpj.12206
  • Zheng, K., Xu, J., Jiang, Q., Laroche, A., Wei, Y.-M., Zheng, Y.-L., and Lu, Z.-X. (2013). "Isolation and characterization of an isoamylase gene from rye.", The Crop Journal, 1(2), pp. 127-133. doi : 10.1016/j.cj.2013.08.001

2012

2011

2010

2009

Other Science Related Publications:

2015

  • Laroche, A., Frick, M., Puchalski, B., Amundsen, E.J., Puchalski, B., Randhawa, H.S., Graf, R.J., and Gaudet, D.A. (2015). "Characterization of Stripe Rust Isolates from Western Canada Using NGS.", XXIII Plant and Animal Genome Conference, San Diego, CA, USA, January 10-14, 2015, pp. P0467.

2014

  • Frick, M., Puchalski, B., Amundsen, E.J., Puchalski, B., Gaudet, D.A., Randhawa, H.S., Graf, R.J., and Laroche, A. (2014). "Molecular characterization of Pst races from western Canada.", 2014 Plant Pathology Symposium of Alberta, Canmore, AB, Canada, October 27-29, 2014.
  • Gaudet, D.A., Amundsen, E.J., Frick, M., Kundrik, K., and Laroche, A. (2014). "Stripe Rust in Southern Alberta in 2014.", 35th Plant Pathology Symposium of Alberta, Canmore, AB, Canada, October 27-29, 2014.
  • Graf, R.J., Randhawa, H.S., Gaudet, D.A., and Laroche, A. (2014). "Rust resistance in western Canadian winter wheat.", Borlaug Global Rust Initiative Technical Workshop, Obregon, México, March 22-25, 2014. (Poster)
  • Laroche, A. (2014). "Genomics activities.", Presentation to a Chinese delegation (Dr. Guangchao Kong from Shihezi University and Dr. Zengyuan Wang, CAAS, Beijing), Lethbridge Research Centre, August 29-30, 2014. (Presentation)
  • Laroche, A. (2014). "Genomics activities.", Presentation to a Chinese delegation from Shandong Agricultural University, Lethbridge Research Centre, December 4, 2014. (Presentation)
  • Laroche, A. (2014). "The wheat stripe rust pathogen in Western Canada: a molecular characterization of current and past isolates strains.", University of Lethbridge, Biological Sciences Department, March 13, 2014. (Presentation)
  • Laroche, A., Frick, M., Verma, S., Gaudette, N., Dhariwal, G.K., Schussler, M., Frick, M.J., Wogsberg, S., Kundrik, K., and Gaudet, D.A. (2014). "Does abiotic stress increase wheat and triticale susceptibility to different pathogens?", 35th Plant Pathology Symposium of Alberta, Canmore, AB, Canada, October 27-29, 2014, pp. 16. (Poster)
  • Laroche, A., Frick, M., Xu, Y., Puchalski, B., Puchalski, B., Randhawa, H.S., Graf, R.J., and Gaudet, D.A. (2014). "Comparisons of Puccinia striiformis f.sp. tritici (Pst) isolates from Southern Alberta.", Canadian Wheat Alliance 1st Annual Science Meeting, NRC-Saskatoon, Saskatoon, Canada, April 7-8, 2014.
  • Laroche, A., Frick, M., Xu, Y., Puchalski, B., Puchalski, B., Randhawa, H.S., Graf, R.J., and Gaudet, D.A. (2014). "Molecular characterization of Pst races isolates from Western Canada.", Borlaug Global Rust Initiative Technical Workshop, Obregon, México, March 22-25, 2014.
  • Laroche, A., Frick, M., Xu, Y., Puchalski, B., Puchalski, B., Singh, A., Randhawa, H.S., Graf, R.J., and Gaudet, D.A. (2014). "NGS to identify, characterize and compare isolates of stripe rust, a fungal pathogen of wheat.", Canada NGS Symposia - Lethbridge NGS Symposium, University of Lethbridge, April 24, 2014. (Presentation)
  • Pahari, S., Eudes, F., Laroche, A., and Larsen, R.J. (2014). "Identification and Characterization of Flowering Time Genes in Tall Wheatgrass.", ASA, CSSA and SSSA International Annual Meeting 2014, Long Beach, CA, USA, November 2-5, 2014. (Poster)
  • Wang, F., Frick, M., Amundsen, E.J., Gaudet, D.A., Laroche, A., and Sheedy, C. (2014). "Detection of stripe rust spores through self-assembly antibody conjugations by RT-IPCR.", 35th Plant Pathology Symposium of Alberta, Canmore, AB, Canada, October 27-29, 2014.

2013

  • Frick, M., Puchalski, B., Puchalski, B., Gaudet, D.A., Randhawa, H.S., Graf, R.J., Laroche, A., and Forbert, P. (2013). "Molecular characterization of stripe rust races from Western Canada.", 2013 Canadian Society of Plant Biologist Annual Meeting, Quebec, Canada, June 25-28, 2013.
  • Frick, M., Puchalski, B., Puchalski, B., Singh, A., Randhawa, H.S., Graf, R.J., and Laroche, A. (2013). "Molecular characterization of Pst races from Alberta.", 34th Annual Meeting of the Plant Pathology Society of Alberta, Brooks, AB, Canada, November 4-6, 2013.
  • Gaudet, D.A., Puchalski, B., Randhawa, H.S., Despins, T., and Laroche, A. (2013). "Control of stripe rust in western Canada.", Canadian Phytopathological Society Annual Meeting, Edmonton, Alberta, Canada, June 16-19, 2013. (Presentation)
  • Gaudet, D.A., Puchalski, B., Randhawa, H.S., Despins, T., and Laroche, A. (2013). "Fungicide Control of Stripe Rust in Western Canada.", 34th Annual Meeting of the Plant Pathology Society of Alberta, Brooks, AB, Canada, November 4-6, 2013.
  • Khalil, H.B., Xu, Y., Frick, M., Elzein, S., Ehdaeivand, M.-R., Laroche, A., and Gulick, P. (2013). "Rye subgenome suppression in triticale: An insight into genome restructuring in recent polyploids.", XXI Plant and Animal Genome Conference, San Diego, CA, USA, January 12-16, 2013.
  • Laroche, A., Frick, M., Puchalski, B., Puchalski, B., Singh, A., Randhawa, H.S., Graf, R.J., and Gaudet, D.A. (2013). "Differential make-up in older and newer stripe rust strains.", 34th Annual Meeting of the Plant Pathology Society of Alberta, Brooks, AB, Canada, November 4-6, 2013.
  • Laroche, A., Puchalski, B., Singh, A., Puchalski, B., Gaudet, D.A., Randhawa, H.S., Graf, R.J., and Frick, M. (2013). "Next-generation sequencing to characterize Pst races from western Canada.", 5th Borlaug Global Rust Initiative Technical Workshop, New Delhi, India, August 19-22, 2013. (Poster)
  • Laroche, A., Puchalski, B., Singh, A., Puchalski, B., Gaudet, D.A., Randhawa, H.S., Graf, R.J., and Frick, M. (2013). "Next-generation sequencing to characterize Pst races from western Canada.", Borlaug Global Rust Initiative (BGRI) Technical Workshop, New Delhi, India, August 19-22, 2013. (Presentation)
  • Laroche, A., Xu, Y., Penniket, C., Robert, L.S., Harris, L.J., Tran, F., Schneiderman, D., Gulick, P.J., and Frick, M. (2013). "A comprehensive reference transcriptome for triticale (x Triticosecale Wittm.)", The 8th International Triticale Symposium, Ghent, Belgium, June 10-14, 2013, O10.
  • Puchalski, B., Gaudet, D.A., Randhawa, H.S., Despins, T., and Laroche, A. (2013). "The occurrence of stripe rust in Southern Alberta.", 34th Annual Meeting of the Plant Pathology Society of Alberta, Brooks, AB, Canada, November 4-6, 2013.
  • Randhawa, H.S., Puchalski, B., Puchalski, B., Laroche, A., Graf, R.J., and Gaudet, D.A. (2013). "Virulence analysis of Pst isolates collected from western Canada.", Borlaug Global Rust Initiative (BGRI) Technical Workshop, New Delhi, India, August 19-22, 2013. (Presentation)
  • Xu, Y., Frick, M., Penniket, C., Robert, L.S., Harris, L.J., Tran, F., Schneiderman, D., Gulick, P.J., and Laroche, A. (2013). "Identification and regulation of cell wall transcripts in triticale (x Triticosecale Wittm.)", The 8th International Triticale Symposium, Ghent, Belgium, June 10-14, 2013, pp. 3. (Poster)

2012

  • Frick, M., Xu, Y., Penniket, C., Robert, L.S., Harris, L.J., Tran, F., Schneiderman, D., Gulick, P., and Laroche, A. (2012). "A triticale (x Triticosecale Wittm.) reference transcriptome.", 22nd International Triticeae Mapping Initiative (ITMI) and 4th National Wheat Genomics Committee Joint Workshop, Fargo, ND, USA, June 25-29, 2012, pp. 12.
  • Rasmussen, J.D., Gilroyed, B.H., Reuter, T.R., Badea, A., Eudes, F., Graf, R.J., Laroche, A., Kav, N.N.V., and McAllister, T.A. (2012). "The uptake of functional proteins and infectious prions into major crop plants.", PrP Canada 2012 & Protein Folding Disease Conference, Toronto, Ontario, Canada, June 25-27, 2012, #64, pp. 122. (Poster)

2011

  • Badea, A., Thurston, G., Simmonds, J.A., Frick, M., and Laroche, A. (2011). "Expression of an endoglucanase enzyme in corn and triticale: an alternative system for improving cellulosic biofuel extraction.", Plant & Animal Genome XIX Conference, Town & Country Convention Center, San Diego, CA, USA, January 15-19, 2011, P699, pp. 201. (Poster)
  • Foroud, N.A., Ouellet, T., Ellis, B.E., Jordan, M.C., Laroche, A., and Eudes, A. (2011). "Signalling mechanisms mediating resistance and susceptibility to fusarium head blight in wheat.", 7th Canadian Workshop on Fusarium Head Blight (CWFHB) / Colloque canadien sur la fusariose, Delta Winnipeg Hotel, Winnipeg, MB, Canada, November 27-30, 2011, pp. 53.
  • Frick, M., Xu, Y., Robert, L.S., Gulick, P., Harris, L.J., Badea, C., Penniket, C., and Laroche, A. (2011). "Transcriptional analyses of plant defense pathway related genes in cereals.", VI International Scientific Seminar on Plant Health and II International Phytoplasma Workshop, Havana, Cuba, September 22-26, 2008, pp. 13.
  • Gaudet, D.A., Randhawa, H.S., Puchalski, B., Frick, M., Goyal, A., Despins, T., Graf, R.J., and Laroche, A. (2011). "Stripe rust resistance among western Canadian wheat and triticale cultivars.", 32nd Annual Meeting of the Plant Pathology Society of Alberta (PPSA), University of Alberta, Edmonton, AB, Canada, November 7-9, 2011, pp. 7.
  • Gaudet, D.A., Randhawa, H.S., Puchalski, B., Graf, R.J., Despins, T., and Laroche, A. (2011). "Stripe rust resistance among western Canadian wheat and triticale cultivars.", Canadian Phytopathological Society (CPS) 82nd Annual Meeting (with Plant Canada 2011), Halifax, NS, Canada, July 17-21, 2011.
  • Laroche, A., Frick, M., Puchalski, B., Graf, R.J., Randhawa, H.S., and Gaudet, D.A. (2011). "Towards the genome sequencing of Alberta races of Puccinia striiformis, the causal agent of stripe rust.", 32nd Annual Meeting of the Plant Pathology Society of Alberta (PPSA), University of Alberta, Edmonton, AB, Canada, November 7-9, 2011, pp. 9.

2010

  • Badea, A., Byun, B.-H., Marshall, K., Frick, M., Laberge, S., Simmonds, J.A., Thurston, G., Tsang, A., Qi, M., McAllister, T.A., Eudes, F., and Laroche, A. (2010). "Expression of biomass-degrading enzymes in triticale: an alternative system for improving cellulosic biofuel extraction.", Cellulosic Biofuel Network (CBN) 2nd Annual General Meeting, Ottawa Marriott Hotel, Ottawa, ON, Canada, March 11-12, 2010, Poster #92, pp. 51. (Poster)
  • Badea, A., Eudes, F., Laroche, A., Frick, M., Amundsen, E.J., Puchalski, B., and Misra, S. (2010). "Expression of 10R and MsrA2 antimicrobial peptides enhances FHB resistance in wheat transgenic lines.", 31st Annual Meeting of the Plant Pathology Society of Alberta, Lethbridge, AB, Canada, October 12-14, 2010. (Presentation)
  • Foroud, N.A., Ellis, B.E., Ouellet, T., Friedt, J., Oosterveen, B., Jordan, M.C., Laroche, A., and Eudes, F. (2010). "Investigating the molecular mechanisms of fusarium head blight resistance in wheat.", 31st Annual Meeting of the Plant Pathology Society of Alberta, Lethbridge, AB, Canada, October 12-14, 2010. (Presentation)
  • Gaudet, D.A., Wang, Y., Frick, M., Penniket, C., Puchalski, B., Ouellet, T., Singh, J., Robert, L.S., and Laroche, A. (2010). "Cold-induced snow mould resistance in winter wheat.", ESA-PPSA-WF 2010, Lethbridge, AB, Canada, October 12-15, 2010, Talk, pp. 20.
  • Gaudet, D.A., Wang, Y., Frick, M., Penniket, C., Puchalski, B., Ouellet, T., Singh, J., Robert, L.S., and Laroche, A. (2010). "Cold-induced snow mould resistance in winter wheat.", ESA-PPSA-WFPM, Lethbridge, AB, Canada, pp. 20.
  • Laroche, A., Xu, Y., Badea, C., Tran, F., Robert, L.S., Harris, L.J., Thomas, D.K., Tinker, N.A., Gaudet, D.A., and Frick, M. (2010). "Transcriptome studies to improve stripe rust resistance in cereals.", ESA-PPSA-WFPM, Lethbridge, AB, Canada, pp. 10.
  • Xu, Y., Frick, M., Thomas, D.K., and Laroche, A. (2010). "454 Sequencing reveal the transcriptional activities of cell wall related genes in triticale.", Cellulosic Biofuel Network (CBN) 2nd Annual General Meeting, Ottawa Marriott Hotel, Ottawa, ON, Canada, March 11-12, 2010, Poster #63, pp. 45. (Poster)
  • Xu, Y., Frick, M., Thomas, D.K., and Laroche, A. (2010). "Grass genomes guide prediction of wheat full length cDNA for transcriptome sequencing analysis.", Cellulosic Biofuel Network (CBN) 2nd Annual General Meeting, Ottawa Marriott Hotel, Ottawa, ON, Canada, March 11-12, 2010, Poster #71, pp. 47. (Poster)

2009

  • Badea, A., Eudes, F., Laroche, A., Salmon, D.F., Tuvesson, S., Larsson, C.-T., Vrolijik, A., and Kilian, A. (2009). "Diversity arrays technology (DArT): a high-throughput genomic tool for analyzing the complex triticale genome.", 7th International Triticale Symposium, 2009 CIMMYT, Ciudad Obregón, Sonora, México, March 23-26, 2009. (Poster)
  • Badea, A., Xu, Y., Eudes, F., Nilsson, D., Frick, M., and Laroche, A. (2009). "Cereals for cellulosic ethanol: modification of cell walls.", Cellulosic Biofuel Network (CBioN) 1st Annual General Meeting, Montréal, QC, Canada, March 27-28, 2009. (Presentation)
  • Beres, B.L., Eudes, F., Graf, R.J., Salmon, D.F., McLeod, G.J., Dion, Y., Lu, J., Randhawa, H.S., Laroche, A., and Gaudet, D.A. (2009). "A Pan-Canadian ethanol feedstock study to benchmark the relative performance of triticale.", Canadian Triticale Biorefinery Initiative (CTBI) Annual Network Meeting, Summerland, BC, Canada, June 17-19, 2009. (Poster)
  • Foroud, N.A., Jordan, M.C., Laroche, A., Ellis, B.E., and Eudes, F. (2009). "Transcript profiling of fusarium head blight-infected spikes reveals different mechanisms of resistance in wheat.", 14th International Congress on Molecular Plant-Microbe Interactions, Centre des congrès de Québec, Québec City, QC, Canada, July 19-23, 2009.