Picture of Chris Todd

Chris Todd B.Sc. (Hons), Ph.D.

Professor/Head of Biology Department

Department Head of Biology
Faculty Member in Biology

CSRB 110.5

Research Area(s)

  • Plant nitrogen metabolism
  • Ureide metabolism
  • Nitrogen Fixation
  • Arginine Metabolism
  • Plant Abiotic Stress


Recent Publications:

Irani, S., Todd, C.D. (2018) Exogenous allantoin increases Arabidopsis seedlings tolerance to NaCl stress and regulates expression of oxidative stress response genes. Journal of Plant Physiology 221: 43-50

Irani, S., Trost, B., Waldner, M., Nayidu, N., Tu, J., Kusalik, A.J., Todd, C.D., Wei, Y., Bonham-Smith, P.C. (2018) Transcriptome analysis of response to Plasmodiophora brassicae infection in the Arabidopsis shoot and root.  BMC Genomics 2018 19:23

Irani,S., Lobo,J.M. Gray, G.R & Todd, C.D.* (2018)   Allantoin accumulation in response to increased growth irradiance in Arabidopsis thaliana. Biologia Plantarum. 62:181-187

Nourimand, M., Todd, C.D., (2017) Allantoin contributes to the stress response in cadmium-treated Arabidopsis roots.  Plant Physiology and Biochemistry 119:103-109

Nourimand, M. & Todd, C.D.*  (2016) Allantoin Increases Cadmium Tolerance in Arabidopsis via Activation of Antioxidant Mechanisms.  Plant and Cell Physiology 57(12): 2485-2496

Gordon, C.S., Rajagopalan, N., Risseeuw, E.P., Surpin, M., Ball, F.J., Barber, C.J., Buhrow, L.M., Clark, S.M., Page, J.E., Todd, C.D., Abrams, S.R. & Loewen M.C.* (2016)  Characterization of Triticum aestivum abscisic acid receptors and a possible role for these in mediating Fusairum head blight susceptibility in wheat.  PLOS ONE (online: http://dx.doi.org/10.1371/journal.pone.0164996)

Irani, S. &Todd, C.D.* (2016)  Ureide metabolism under abiotic stress in Arabidopsis thaliana.  J. of Plant Physiology 199: 87-95

Daba, K., Warkentin, T.D., Bueckert, R., Todd, C.D. & Taran, B.* (2016) Determination of photoperiod-sensitive phase in chickpea (Cicer arietinum L.).  Frontiers in Plant Science 016 Apr 11;7:478. doi: 10.3389/fpls.2016.00478. eCollection 2016.

Gibson, S. & Todd C.D.* (2015) Arabidopsis AIR12 influences root development.  Physiology and Molecular Biology of Plants 21 (4):479-489

Bonilla, M.L., Todd, C., Erlandson, M. & Andres, J.* (2015) Combining RNA-seq and proteomic profiling to identify seminal fluid proteins in the migratory grasshopper Melanoplus sanguinipes (F).BMC Genomics 16:1096 doi: 0.1186/s12864-015-2327-1

Malik, VM, Lobo, JM, Stewart, C, Irani, S, Todd, CD, & Gray, GR* (2015)  Growth irradiance affects ureide accumulation and tolerance to photoinhibition in Eutrema salsugineum (Thellungiella salsuginea).  Photosynthetica. DOI: 10.1007/s11099-015-0164-8

Sieminska, E.A., Andres, J.A., Todd, C.D. & Erlandson, M.A.*  2015.  Characterization of Melanoplus sanguinipes oviposition stimulating protein expression and re-examination of its potential role in stimulating oviposition.  Journal of Insect Physiology 73:37-46

Winter, G., Todd, C.D., Trovato, M., Forlani, G. & Funck D.*(2015) Physiological implications of arginine metabolism in plants.  Frontiers in Plant Science.  6:354

Yang L, Tian D, Todd CD, Luo Y, & Hu X.* (2013)  Comparative proteome analyses reveal that nitric oxide is an important signal molecule in the response of rice to aluminum toxicity. Journal of Proteome Research  12(3):1316-1330

Wang C, Yin X, Kong X, Li W, Ma L, Sun, X, Guan, Y, Todd, CD, Yang, Y, & Hu X*  (2013) A Series of TA-Based and Zero-Background Vectors for Plant Functional Genomics. PLoS ONE 8(3): e59576. doi:10.1371/journal.pone.0059576

Duran, V.A. & Todd, C.D. (2012) Four allantoinase genes are expressed in nitrogen fixing soybean. Plant Physiology and Biochemistry 54: 149-155

Teaching & Supervision

Biology 120.3, The Nature of Life

Biology 222.3, The Living Plant

Biology 226.3, Genes to Genomics

Biology 331.3, Plant Physiology

Biology 420.2, Plant Molecular Biology

Biology 421.3, Functional Genomics


Undergraduate and Graduate (MSc and PhD) Research Projects in Biology and Plant Sciences


Arabidopsis abiotic stress molecular biology nitrogen metabolism plant biochemistry plant biology plant development plant physiology soybean

In the Todd lab we are interested in the regulation of nitrogen metabolism and how it relates to plant growth and development. 

Of particular interest in the lab right now is the role of ureide metabolism in soybean and Arabidopsis and howit relates to provisioning of nitrogen as well as plant response to stress.

I am also interested in the importance of arginine metabolism in plants and how the enzyme arginase is involved in both primary metabolism as well as potential interactions with signaling pathways.