研究领域

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

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.

近期论文

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Duran, VA and Todd, CD (2012) Four allantoinase genes are expressed in nitrogen fixing soybean. Plant Physiology and Biochemistry 54: 149-155 2. Gibson, SW, Conway, AJ, Zheng, Z, Uchacz, TM, Taylor, JL, Todd, CD (2012) Brassica carinata CIL1 mediates extracellular ROS production during auxin- and ABA-regulated lateral root development. Journal of Plant Biology, 55:361- Bai, X, Todd, CD, Desikan, R, Yang, Y and Hu, X (2012) N-3-Oxo-Decanoyl-L-Homoserine-Lactone Activates Auxin-Induced Adventitious Root Formation via Hydrogen Peroxide- and Nitric Oxide-Dependent Cyclic GMP Signaling in Mung Bean. Plant Physiology 158: 725–736 Gravot, A, Deleu, C, Wagner, G, Lariagon, C, Lugan, R, Todd, C, Wendehenne, D, Delourme, R, Bouchereau, A, Manzanares-Dauleux, MJ (2012) Arginase Induction Represses Gall Development During Clubroot Infection In Arabidopsis, Plant and Cell Physiology, 53(5): 901-911 Bai, X, Chen, J, Kong, X, Todd, CD, Yang, Y, Shi, J and Hu, X (2012) Carbon monoxide enhances the chilling tolerance of recalcitrant Baccaurea ramiflora seeds via nitric-oxide-mediated glutathione homeostasis. Free Radical Biology & Medicine, 53: 710-720 Yang, Y, Chen, J, Liu, Q, Ben, C, Todd, C, Shi, J, Yang, Y Hu, X (2012) Comparative Proteomic Analysis of the Thermotolerant Plant Portulaca oleracea. Acclimation to Combined High Temperature and Humidity Stress. Journal of Proteome Research, 11(7):3605-3623 T. Flores, C.D. Todd, A. Tovar-Mendez, P.K. Dhanoa, N. Correa-Arrugunde, M.E. Hoyos, D.L. Brownfield, R.T. Mullen, L. Lamattina, J.C. Polacco, 2008. Arginase-negative mutants of Arabidopsis exhibit increased nitric oxide signaling in root development. Plant Physiology 147:1936-1946. A. Tovar-Mendez, C.D. Todd and J.C. Polacco, 2008. The mitochondrial connection. Arginine degradation versus arginine conversion to nitric oxide. Plant Signaling and Behavior, 3(12): 1106-1108 D.L. Brownfield, C.D. Todd, M.K. Deyholos, 2008. Analysis of Arabidopsis arginase gene transcription patterns indicates specific biological functions for recently diverged paralogs. Plant Molecular Biology 67:429-440. D.L. Brownfield, C.D. Todd, S.L. Stone, M.K. Deyholos and D.J. Gifford, 2007. Patterns of storage proteinand triacylglycerol accumulation during loblolly pine somatic embryo maturation. Plant, Cell, Tissue and Organ culture 88: 217-223. L. Palmieri, C.D. Todd, R. Arrigoni, M.E. Hoyos, A. Santoro, J.C. Polacco, F. Palmieri, 2006. Arabidopsis mitochondria have two basic amino acid transporters with partially overlapping specificities and differential expression in seedling development. BBA – Bioenergetics, 1757, 1277-1283. C.D. Todd and J.C. Polacco, 2006. AtAAH encodes a protein with allantoate amidohydrolase activity from Arabidopsis thaliana. Planta, 223, 1108-1113. C.D. Todd, P.A. Tipton, D.G. Blevins, P. Piedras, M. Pineda and J.C. Polacco, 2006. Update on ureide degradation in legumes. Journal of Experimental Botany, 57, 5-12