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Root symbioses – Nodulation and mycorrhizae: Establishment, development,and maintenance.
Plant hormones – Cytokinin and ethylene: Homeostasis, effects on plants and their interactions.
Plant structure and function.
Biography / Academic Background
I received my PhD in Biology from Carleton University in Ottawa in 1987 and my MSc in Oceanography from the Université Pierre et Marie Curie in 1981.
Prior to joining Laurier, I had several postdoctoral/research associate positions in the Biology Department at Washington University in St. Louis, Missouri (1987); the Plant Production Group at the Boyce Thompson Institute at Cornell University, Ithaca, New-York (1988-1991); the Department of Biological Sciences at Brock University (1992-1993); and the Biology Department at Mount Allison University.
I am an adjunct associate professor in the Department of Biology at the University of Waterloo.
Research Interests / Ongoing Projects
My long-term research goal is to reduce the use of chemical fertilizers in agriculture. To achieve this, I am using 2 approaches. First, I study the interactions existing between beneficial soil microorganisms, such as nitrogen-fixing rhizobia and mycorrhizal fungi, and roots of legumes. I am using pea mutants unable to form proper associations with these microorganisms to understand how plant hormones are involved in the establishment and maintenance of the associations. Second, I study the effect of mineral fertilizers onto crops to assess if they could be used as an environmental alternative to chemical fertilizers.
Awards and Achievements
President of the Canadian Botanical Association (2012- 2014).
Associate-editor for Botany, previously called Canadian Journal of Botany (2002 to Present).
Committee member of Natural Sciences and Engineering Research Council Discovery Grants (2003-2006).
Committee Member of Natural Sciences and Engineering Research Council Accelerated Supplement (DAS) Competition for the Life Sciences (GSC1070). Spring 2008.
Member on the Selection Committee for CAGS/UMI Distinguished Dissertation Awards in the field of Engineering, Medical Sciences and Natural Sciences (2010).
Student Opportunities / Supervising
I am willing to supervise graduate students in the area of plant root biology. Contact me for more information.
Remmler L., Clairmont L., Rolland-Lagan A-G., and Guinel F.C. “Standardized mapping of nodulation patterns in legume roots. New Phytologist, 202: 1083-1094. (2014).
Clemow S.R., Clairmont L., Madsen L.H., and Guinel F.C. “Reproducible hairy root transformation and spot-inoculation methods to study root symbioses of pea.” Plant Methods, 7: 46. doi: 10.1186/1746-4811-7-46. (2011).
Guinel F.C. “Getting around the legume nodule. I. The structure of the peripheral zone in four nodule types.” Botany, 87: 1117-1138. (2009).
Guinel F.C. “Getting around the legume nodule. II. Molecular biology of its peripheral zone and approaches to study its vasculature.” Botany, 87: 1139-1166. (2009).
Held M.A., Pepper A.N., Bozdarov J., Smith M.D., Emery R.J.N., and Guinel F.C. “The pea nodulation mutant R50 (sym16) displays altered activity and expression profiles for cytokinin dehydrogenase.” Journal of Plant Growth Regulation, 27: 170-180. (2008).
Guinel F.C., and Geil R.G. “A model for the development of the rhizobial and arbuscular mycorrhizal symbioses in legumes and its use to understand the roles of ethylene in the establishment of these two symbioses.” Canadian Journal of Botany, 80: 695-720. (2002).
Geil R.D., Peterson R.L., and Guinel F.C. “Morphological alterations of pea (Pisum sativum cv. Sparkle) arbuscular mycorrhizas as a result of exogenous ethylene treatment.” Mycorrhiza, 11: 137-143. (2001).