Prof. Virginie Lecaudey

Institute for Cell Biology and Neuroscience
Department of Developmental Biology of Vertebrates
Max-von-Laue-Straße 13
D-60438 Frankfurt am Main

Tel +49 (0)69 798 42102
Fax

Lecaudeybio.uni-frankfurt.de

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Scientific Focus

During development of an organism, cells must coordinate their behavior with that of their neighbors to assemble functional organs. We are interested in understanding the cellular and molecular mechanisms by which cells altogether acquire a given identity, change their shape, migrate and proliferate in an orchestrated manner to assemble into tissue and organs. For this purpose, we use as a model the zebrafish lateral line, a sensory system specific to aquatic vertebrates. The lateral line is an ensemble of mechanosensory organs allowing fishes to sense water movements and changes in water pressure, and thus to get information on their environment. The mechanosensory organs, or neuromasts, are initially assembled in the migrating group of above 100 cells that also proliferate, change their shape and differentiate as they migrate. We are currently particularly focusing on the mechanisms (i) controlling cell shape changes and (ii) limiting the size of organs.

Methods

- Live imaging in whole embryos using point scanning and spinning disc confocal microscopy
- Tol2-mediated transgenesis
- TALEN and cas9/CRISPR-mediated genome editing (knock-out, knock-in)
- Molecular biology including multisite gateway cloning
- In situ hybridization and immunofluorescence
- Zebrafish injection and transplantation

Selected Publications

Selected publications

1) Agarwala, S., Duquesne, S., Liu, K., Boehm, A., Grimm, L., Link, S., König, S., Eimer, S., Ronneberger, O. and Lecaudey, V. (2015). Amotl2a interacts with the Hippo effector Yap1 and the Wnt/β-catenin effector Lef1 to control tissue size in zebrafish. Elife 4.

2) Ernst, S., Liu, K., Agarwala, S., Moratscheck, N., Avci, M. E., Nogare, D. D., Chitnis, A. B., Ronneberger, O. and Lecaudey, V. (2012). Shroom3 is required downstream of FGF signalling to mediate proneuromast assembly in zebrafish. Development. 139, 4571- 4581, 2012

3) Stedman, A.*, Lecaudey, V.*, Havis, E.*, Anselme, I., Wassef, M., Gilardi-Hebenstreit, P. and Schneider-Maunoury, S. (2009). A functional interaction between Irx and Meis patterns the anterior hindbrain and activates krox20 expression in rhombomere 3. Dev Biol 327, 566–577.
4) Lecaudey, V.*, Cakan-Akdogan, G.*, Norton, W. H. J. and Gilmour, D. (2008). Dynamic Fgf signaling couples morphogenesis and migration in the zebrafish lateral line primordium. Development 135, 2695–2705.
5) Lecaudey, V., Ulloa, E., Anselme, I., Stedman, A., Schneider-Maunoury, S. and Pujades, C. (2007). Role of the hindbrain in patterning the otic vesicle: a study of the zebrafish vhnf1 mutant. Dev Biol 303, 134–143.
6) Lecaudey, V. and Gilmour, D. (2006). Organizing moving groups during morphogenesis. Curr Opin Cell Biol 18, 102–107.
7) Lecaudey, V., Anselme, I., Rosa, F. and Schneider-Maunoury, S. (2004). The zebrafish Iroquois gene iro7 positions the r4/r5 boundary and controls neurogenesis in the rostral hindbrain. Development 131, 3121–3131.

* contributed equally

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