Prof. Dr. Amparo Acker-Palmer
Biological and related sciences, Health, Cell Biology, Cellular and Molecular Neuroscience, Vascular Biology, Tumour Biology
Biological and related sciences
Plant Biology
Intercellular communication / Plasmodesmata / Membrane contact site / Membrane lipid
EMBO Young Investigator program, 2019
CNRS medal Bronze award. Recognise first work of a young PI, 2018
ERC consolidator, 2018
Petit J, Li ZP, Nicolas WJ, Grison MS, Bayer EM# (accepted for publication). Dare to change , the dynamics behind plasmodesmata-mediated cell-to-cell communication. Current Opinion in Plant Biol.
Grison MS, Kirk P, Brault M, Na Wu X, Schulze WX, Benitez-Alfonso Y, Immel F, Bayer EM* (2019) Plasma membrane associated Receptor Like Kinases relocalise to plasmodesmata in response to osmotic stress. Plant Physiol. 181:142-160
Brault ML+, Petit JD+, Immel F, Nicolas WJ, Glavier M, Brocard L, Gaston A, Fouché M, Hawkins TJ, Crowet J, Grison SM, Germain V, Rocher M, Kraner M, Alva V, Claverol S, Paterlini A, Helariutta Y, Deleu M, Lins L, Tilsner J*, Bayer EM* (2019) Multiple C2 domains and transmembrane region proteins (MCTP) tether membranes at plasmodesmata. EMBO Rep. e47182, p1–26
Yan D+, Yadav SR+, Paterlini A, Nicolas WJ, Petit JD, Brocard L, Belevich I, Grison MS, Vaten A, Karami L, El-Showk S, Lee JY, Murawska GM, Mortimer J, Knoblauch M, Jokitalo E, Markham JE, Bayer EM*, Helariutta Y*. (2019) Sphingolipid biosynthesis modulates plasmodesmal ultrastructure and phloem unloading. Nat Plants 5: 604–615
Nicolas W, Grison MS, Trépout S, Gaston A, Fouché M, Cordelières F, Oparka K, Tilsner J, Brocard L*, & Bayer EM*. (2017) Architecture and permeability of post-cytokinesis plasmodesmata lacking cytoplasmic sleeve. Nature Plants. 3:17082
Tilsner J, Nicolas W, Rosado A and Bayer EM* (2016) Staying tight: plasmodesmal membrane contact sites and the control of cell-to-cell connectivity in plants. Annual Review of Plant Biology 67:23.1-23.28 (review)
Grison MS+, Brocard L+, Fouillen L, Nicolas W, Wewer V , Dörmann P, Nacir H, Benitez-Alfonso Y, Claverol S, Germain V, Boutté Y, Mongrand S and Bayer EM* (2015). Specific membrane lipid composition is important for PD function in Arabidopsis. The Plant Cell 27(4):1228-50
Intercellular communication is critical for multicellularity. In plants, the Plasmodesmata (PD) pores, interconnect virtually all cells within the plant body, establishing direct membrane and cytoplasmic continuity, a situation unique to plants. PD are decisive for development, environmental adaptation, defense signaling, and spreading of viruses, yet their mode of action remains elusive. Our focus is to understand the molecular mechanisms governing PD function, and provide a link between PD unique membrane organization and the regulation of cell-to-cell signalling by addressing the following questions:
1 What are the molecular determinants of PD function?
2 What role lipids play in organizing PD specialized membrane domains?
3 How does PD 3D architecture relate to their function?
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Biological and related sciences, Health, Cell Biology, Cellular and Molecular Neuroscience, Vascular Biology, Tumour Biology
Biological and related sciences, Microbial bioelectrochemistry, Microbial electrophysiology
Biological and related sciences, Physical sciences, Environmental virology, Molecular and structural biology, biochemistry
Biological and related sciences, Physical sciences, Bioelectrochemistry, Synthetic Biology, Chemical Biology