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“The genetic and cellular basis of multicellular development in the plant embryo”

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Thursday 19 January 2017, 11:00 - 12:30


The Weijers lab focuses on the mechanisms that underlie multicellular development in plants, using the early embryo as a model. Early embryogenesis in Arabidopsis is highly predictable, and in a few rounds of cell division, precursors for all major tissues and stem cells are specified, and spatially patterned. Key questions are how genetic regulation controls these processes, and how cellular decisions are instructed by developmental regulators. In this seminar, Dolf Weijers will focus on two aspects. First, he will discuss the team’s efforts to generate a genome-wide atlas of gene activity at cellular resolution in the early Arabidopsis embryo, as well as the insights in transcriptional reprogramming that underlies cell type specification. Second, he will describe recent work to understand the control of cellular reorganisation that underlies asymmetric cell division and cell polarity.

Lab website:  http://www.bic.wur.nl/UK/Research/Plant+Development/

Recent papers:

Palovaara, J., de Zeeuw, T., and Weijers, D. (2016). Tissue and organ initiation in the plant embryo: A first time for everything. Annu. Rev. Cell Dev. Biol. 32, 47-75

De Rybel, B., Mähönen, A.P., Helariutta, Y., and Weijers, D. (2015). Plant Vascular Development: from early specification to differentiation. Nature Rev. Mol. Cell. Biol. 17, 30-40

Liao, C.-Y., Smet, W., Brunoud, G., Yoshida, S., Vernoux, T., and Weijers, D. (2015). Reporters for sensitive and quantitative measurement of auxin response. Nature Methods 12, 207-210.

De Rybel, B., Adibi, M., Breda, A.S., Wendrich, J.W., Smit, M.E., Novak, O., Yamaguchi, N., Yoshida, S., Van Isterdael, G., Palovaara, J., Nijsse, B., Boekschoten, M.V., Hooiveld, G., Beeckman, T., Wagner, D., Ljung, K., Fleck, C., and Weijers, D. (2014). Integration of growth and patterning during vascular tissue formation in Arabidopsis. Science, 345, 1255215.

Yoshida, S., Barbier de Reuille, P., Bassel, G., Lane, B., Prusinkiewicz, P., Smith, R.S., and Weijers, D. (2014). Genetic control of plant development by overriding a geometric division rule. Dev. Cell 29, 75-87.

De Rybel, B., Moller, B., Yoshida, S., Grabowicz, I., Barbier de Reuille, P., Boeren, S., Smith, R.S., Borst, J.W., and Weijers, D. (2013). A bHLH complex controls embryonic vascular tissue establishment and indeterminate growth in Arabidopsis. Dev. Cell 24, 426-437.

Location Jozef Schell Seminar Room
Contact Prof Dolf Weijers
Wageningen University & Research
Laboratory of Biochemistry