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Curriculum Vitae Name: Date of Birth: Nationality: Marital status: Gerardus (Gerrit) Theodorus Simon Beemster 21/04/63 Dutch Married, 2 children Current address (work): Department of Plant Systems Biology, VIB/University of Ghent, Technologiepark 927, B- 9052, Gent, Belgium. Degrees: 1/9/96: Ph.D. Plant Sciences, Australian National University. 25/8/91: B.Sc. Horticulture, Wageningen Agricultural University, The Netherlands. Research Interests: The focus of my research is on the role of cell division in plant growth regulation. While rapid progress is made at identifying the genes and associated proteins that regulate the plant cell cycle, much less is clear about how this regulatory mechanism functions in the context of intact multicellular organisms. One of the bottlenecks has been the absence of appropriate methods to investigate the relationship between cell division and (organ) growth with at sufficient spatial and temporal resolution. Based on existing kinematic theory, I developed such methods for leaves and primary root tips of the model plant Arabidopsis. We now use transcription and metabolomic profiling techniques to analyze the molecular changes associated with the transitions between proliferating, expanding and mature stages of the leaves. This information is used for building regulatory networks, centered around auxin signaling to cell cycle regulation for dynamic simulation of the growth process. Most recently, we are setting up a platform to transfer our expertise and knowledge of growth regulation to crop species. For this we are focusing on rice and corn and on the effect of adverse environmental conditions drought and cold on leaf growth. Academic Career: 1/01/2003 - : Group leader Leaf Development and Growth control, Laboratory of Plant Genetics, University of Gent, Belgium 1/06/98 – 31/12/2002: Post-doctoral fellow with Prof D. Inzé, Laboratory of Plant Genetics, University of Gent, Belgium: Molecular and kinematic investigations into the role of the cell cycle in the regulation of whole organ growth rates in Arabidopsis thaliana. 1/12/97 – 31/5/98: Visiting Fellow with Dr J Masle, Environmental Biology Group, RSBS, Australian National University, Canberra Australia: The cellular basis of the growth response of Arabidopsis thaliana roots encountering increased mechanical resistance to penetration. 1/9/97 – 30/11/97: Visiting Fellow with Prof H Lambers, Department of Plant Ecology and Evolutionary Biology, Faculty of Biology, University of Utrecht, The Netherlands: The role of cell division and cell expansion in determining differences in relative growth rates between fast and slow growing species. 1/9/95 – 31/8/97: Post-doctoral Fellow with Dr TI Baskin, Department of Biological Sciences, University of Missouri, Columbia, USA: Kinematic investigations into the role of cell division and cell expansion in the regulation of elongation rates of Arabidopsis thaliana seedling root growth. 2/1/92 - 31/8/95: Ph.D. scholar with Dr J Masle, Dr RE Williamson and Prof GD Farquhar, Environmental Biology and Plant Cell biology groups, RSBS, Australian National University, Canberra, Australia: Effects of soil resistance to root penetration on leaf expansion in wheat. 1/9/91 – 31/12/91: Demonstrator for the introductory course “Programming in Pascal”, Department of Informatics, Wageningen Agricultural University, The Netherlands. 1/9/85 - 31/8/91: B.Sc. in Horticulture, Wageningen Agricultural University, The Netherlands. Majors (each including a 4 – 8 month research project) in Horticulture, Plant Physiology, Virology and Informatics and a 9 month practical period “Tropical Entomology” conducted in Brazil. Awards and distinctions: 1/6/98: European Committee: TMR (Training and Mobility of Researchers) Post-doctoral Fellowship (2 years). 1/9/95: Post-doctoral Fellowship from the Molecular Biology Program at the University of Missouri, Columbia (2 years). 2/1/92: Overseas Post-graduate Research Scholarship from the Australian Government. 2/1/91: STIR travel-grant for a 6-month undergraduate research in the R.S.B.S. at the A.N.U. 31/8/86: Honorary distinction “Cum Laude” for the Propeadeutic Exam at the Wageningen Agricultural University. Publications: 1. Fleury, D., Himanen, K., Cnops, G., Nelissen, H., Boccardi, T.M., Maere, S., Beemster, G.T.S., Neyt, P., Anami, S., Robles, P., Micol, J.L., Inze, D., and Van Lijsebettens, M. (2007). The Arabidopsis thaliana homolog of yeast BRE1 has a function in cell cycle regulation during early leaf and root growth. Plant Cell 19, 417-432. 2. Rymen, B., Fiorani, F., Kartal, F., Vandepoele, K., Inze, D., and Beemster, G.T.S. (2007). Cold nights impair leaf growth and cell cycle progression in maize through transcriptional changes of cell cycle genes. Plant Physiol 143, 1429-1438. 3. Barroco, R.M., Peres, A., Droual, A.M., De Veylder, L., Nguyen le, S.L., De Wolf, J., Mironov, V., Peerbolte, R., Beemster, G.T.S., Inze, D., Broekaert, W.F., and Frankard, V. (2006). The cyclin-dependent kinase inhibitor Orysa;KRP1 plays an important role in seed development of rice. Plant Physiol 142, 1053-1064. 4. Beemster, G.T.S., Vercruysse, S., De Veylder, L., Kuiper, M., and Inze, D. (2006). The Arabidopsis leaf as a model system for investigating the role of cell cycle regulation in organ growth. J Plant Res 119, 43-50. 5. Fiorani, F., and Beemster, G.T.S. (2006). Quantitative analyses of cell division in plants. Plant Mol Biol 60, 963-979. 6. Eloy, N.B., Coppens, F., Beemster, G.T.S., Hemerly, A.S., and Ferreira, P.C. (2006). The Arabidopsis anaphase promoting complex (APC): regulation through subunit availability in plant tissues. Cell Cycle 5, 1957-1965. 7.Tsukaya, H., and Beemster, G.T.S. (2006). Genetics, cell cycle and cell expansion in organogenesis in plants. J Plant Res 119, 1-4. 8. Beemster, G.T.S., De Veylder, L., Vercruysse, S., West, G., Rombaut, D., Van Hummelen, P., Galichet, A., Gruissem, W., Inze, D., and Vuylsteke, M. (2005). Genome-wide analysis of gene expression profiles associated with cell cycle transitions in growing organs of Arabidopsis. Plant Physiol 138, 734743. 9. Beemster, G.T.S., Mironov, V., and Inze, D. (2005). Tuning the cell-cycle engine for improved plant performance. Curr Opin Biotechnol 16, 142-146. 10. Swarup, R., Kramer, E.M., Perry, P., Knox, K., Leyser, H.M., Haseloff, J., Beemster, G.T.S., Bhalerao, R., and Bennett, M.J. (2005). Root gravitropism requires lateral root cap and epidermal cells for transport and response to a mobile auxin signal. Nat Cell Biol 7, 1057-1065. 11. Vandepoele, K., Vlieghe, K., Florquin, K., Hennig, L., Beemster, G.T.S., Gruissem, W., Van de Peer, Y., Inze, D., and De Veylder, L. (2005). Genome-wide identification of potential plant E2F target genes. Plant Physiol 139, 316-328. 12. Vanneste, S., De Rybel, B., Beemster, G.T.S., Ljung, K., De Smet, I., Van Isterdael, G., Naudts, M., Iida, R., Gruissem, W., Tasaka, M., Inze, D., Fukaki, H., and Beeckman, T. (2005). Cell cycle progression in the pericycle is not sufficient for SOLITARY ROOT/IAA14-mediated lateral root initiation in Arabidopsis thaliana. Plant Cell 17, 3035-3050. 13. Vlieghe, K., Boudolf, V., Beemster, G.T.S., Maes, S., Magyar, Z., Atanassova, A., de Almeida Engler, J., De Groodt, R., Inze, D., and De Veylder, L. (2005). The DP-E2F-like gene DEL1 controls the endocycle in Arabidopsis thaliana. Curr Biol 15, 59-63. 14. Baskin, T.I., Beemster, G.T.S., Judy-March, J.E., and Marga, F. (2004). Disorganization of cortical microtubules stimulates tangential expansion and reduces the uniformity of cellulose microfibril alignment among cells in the root of Arabidopsis. Plant Physiol 135, 2279-2290. 15. Boudolf, V., Vlieghe, K., Beemster, G.T.S., Magyar, Z., Torres Acosta, J.A., Maes, S., Van Der Schueren, E., Inze, D., and De Veylder, L. (2004). The plant-specific cyclin-dependent kinase CDKB1;1 and transcription factor E2Fa-DPa control the balance of mitotically dividing and endoreduplicating cells in Arabidopsis. Plant Cell 16, 2683-2692. 16. West, G., Inze, D., and Beemster, G.T.S. (2004). Cell cycle modulation in the response of the primary root of Arabidopsis to salt stress. Plant Physiol 135, 1050-1058. 17. Beemster, G.T.S., Fiorani, F., and Inze, D. (2003). Cell cycle: the key to plant growth control? Trends Plant Sci 8, 154-158. 18. Saibo, N.J., Vriezen, W.H., Beemster, G.T.S., and Van Der Straeten, D. (2003). Growth and stomata development of Arabidopsis hypocotyls are controlled by gibberellins and modulated by ethylene and auxins. Plant J 33, 989-1000. 19. Autran, D., Jonak, C., Belcram, K., Beemster, G.T.S., Kronenberger, J., Grandjean, O., Inze, D., and Traas, J. (2002). Cell numbers and leaf development in Arabidopsis: a functional analysis of the STRUWWELPETER gene. Embo J 21, 6036-6049. 20. Beemster, G.T.S., De Vusser, K., De Tavernier, E., De Bock, K., and Inze, D. (2002). Variation in growth rate between Arabidopsis ecotypes is correlated with cell division and A-type cyclin-dependent kinase activity. Plant Physiol 129, 854-864. 21. De Veylder, L., Beeckman, T., Beemster, G.T.S., de Almeida Engler, J., Ormenese, S., Maes, S., Naudts, M., Van Der Schueren, E., Jacqmard, A., Engler, G., and Inze, D. (2002). Control of proliferation, endoreduplication and differentiation by the Arabidopsis E2Fa-DPa transcription factor. Embo J 21, 1360-1368. 22. De Veylder, L., Beeckman, T., Beemster, G.T.S., Krols, L., Terras, F., Landrieu, I., van der Schueren, E., Maes, S., Naudts, M., and Inze, D. (2001). Functional analysis of cyclin-dependent kinase inhibitors of Arabidopsis. Plant Cell 13, 1653-1668. 23. De Veylder, L., Beemster, G.T.S., Beeckman, T., and Inze, D. (2001). CKS1At overexpression in Arabidopsis thaliana inhibits growth by reducing meristem size and inhibiting cell-cycle progression. Plant J 25, 617-626. 24. Beemster, G.T.S., and Baskin, T.I. (2000). Stunted plant 1 mediates effects of cytokinin, but not of auxin, on cell division and expansion in the root of Arabidopsis. Plant Physiol 124, 1718-1727. 25. Fiorani, F., Beemster, G.T.S, Bultynck, L., and Lambers, H. (2000). Can meristematic activity determine variation in leaf size and elongation rate among four Poa species? A kinematic study. Plant Physiol 124, 845-856. 26. Baskin, T.I., Beemster, G.T.S. (1998) On the "post-mitotic isodiametric growth zone" in roots. In HE Flores, J Lynch, D Eissenstat, eds, Radical Biology, Advances and Perspectives on the Function of Plant Roots. ASPP press, Rockville MD, pp 23-33. 27. Beemster, G.T.S., and Baskin, T.I. (1998). Analysis of cell division and elongation underlying the developmental acceleration of root growth in Arabidopsis thaliana. Plant Physiol 116, 1515-1526. 28. Beemster, G.T.S., Masle, J. (1996) Effects of soil resistance to root penetration on leaf expansion in wheat (Triticum aestivum L.): Composition, number and size of epidermal cells in mature blades. Journal of Experimental Botany 47: 1651-1662. 29. Beemster, G.T.S., Masle, J. (1996) The role of apical growth around the time of leaf initiation in determining leaf width at maturity in wheat seedlings (Triticum aestivum.L.) with impeded roots. Journal of Experimental Botany 47: 16791688. 30. Beemster, G.T.S., Masle, J., Williamson, R.E., Farquhar, G.D. (1996) Effects of soil resistance to root penetration on leaf expansion in wheat (Triticum aestivum L.): Kinematic analysis of leaf elongation. Journal of Experimental Botany 47: 1663-1678. Patent: Method for enhancing and/or improving plant growth and yield or modifying plant architecture (PCT/EP00/02441[WO00/56905]). Preparation date C.V.: 6/11/2007