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Email: george.e.schaller@dartmouth.edu Phone: 603 646-2525 Office: 6044 Gilman Hall
Education
B.S. Michigan State University; Ph.D. University of Wisconsin at Madison
Areas of Expertise
Plant biology
Selected Works
Gao, Z, C-K Wen, B M Binder, Y-F Chen, J Chang, Y-H Chiang, R J Kerris III, C Chang, and G E Schaller, "Heteromeric Interactions among Ethylene Receptors Mediate Signaling in Arabidopsis" Journal of Biological Chemistry, 283:35 (2008) 23081-23810.
Schaller, G E, J J Kieber, and S-H Shiu, "Two-Component Signaling Elements and Histidyl-Aspartyl Phosphorelays" The Arabidopsis Book Somerville, C, and E Meyerowitz (eds.), 2008 http://www.aspb.org/publications/arabidopsis
Y-F Chen, S N Shakeel, J Bowers, X-C Zhao, N Etheridge, and G E Schaller, "Ligand-Induced Degradation of the Ethylene Receptor ETR2 through a Proteasome-Dependent Pathway in Arabidopsis," Journal of Biological Chemistry, 282:34 (2007) 24752-24758.
X Qu, B P Hall, Z Gao, and G E Schaller, "A Strong Constitutive Ethylene-Response Phenotype Conferred on Arabidopsis Plants Containing Null Mutations in the Ethylene Receptors ETR1 and ERS1," BMC Plant Biology, 7:3 (2007).
Etheridge, N, B P Hall, and G E Schaller, "Progress Report: Ethylene Signaling and Responses," Planta, 223:3 (February 2006) 387-391.
M G Mason, D E Matthews, D A Argyros, B B Maxwell, J J Kieber, J M Alonso, J R Ecker, and G E Schaller, "Multiple Type-B Response Regulators Mediate Cytokinin Signal Transduction in Arabidopsis" The Plant Cell, 17 (2005) 3007-3018.
Current Projects
Plants make use of a diverse group of signaling compounds to regulate growth and development. My laboratory uses a combination of biochemical, molecular, and genetic strategies to analyze signaling pathways in Arabidopsis, in particular the hormone receptors and the initial steps in signal transduction. We focus on the mechanism of action by two plant hormones: ethylene and cytokinin. Ethylene is a gaseous hormone and is most widely known for its role in fruit ripening. Cytokinins are key regulators of cell division and also regulate senescence. Both ethylene and cytokinin play critical roles in regulating plant growth and development.
