[Todos] Fwd: Seminario IFBYNE Dr. S. Mongrand- Membrane rafts in plants, structure, evidence and role- Jueves 21 de julio 13 hs- RECORDATORIO

[Paula Felman]

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>Subject: [Todos] Seminario IFBYNE Dr. S. Mongrand- Membrane rafts in plants,
>  structure, evidence and role- Jueves 21 de julio 13 hs
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>Aula Seminarios IFIBYNE
>
>Jueves 21 de julio 13 hs.
>
>Título: " Membrane rafts in plants, structure, evidence and role"
>
>Dr. Sebastien Mongrand
>
>Laboratorio de Biogénesis de membranas
>
>Universidad de Bordeaux
>Bordeaux, Francia
>
>Key studies have contributed to reveal the 
>structure, composition and possible functions of 
>membrane raft domains in plants. By immunogold 
>labeling, we recently evidenced that lateral 
>segregation of lipids (polyphosphoinositide 
>(4,5) bisphosphate)  and proteins (REMORIN, the 
>first identified plant raft marker)  found 
>enriched in Detergent-Insoluble Membranes (DIM), 
>indeed exists at the nanoscale level in plant 
>plasma membrane (PM), making  a strong 
>correlation between DIM and rafts. « Omic » 
>analyses have revealed that a high proportion of 
>proteins and lipids associated with DIM may be 
>involved in signalling pathways. Also our recent 
>data suggest that the PM lining plasmodesma (PD) 
>may have similar properties to rafts. Can rafts 
>distribute between the different membrane 
>sub-domains? Quantitative proteomics reveals a 
>dynamic association of proteins to DIM upon 
>elicitor signaling in tobacco cells. A role for 
>plant rafts as signal transduction platforms, 
>similar to those documented for mammalian cells, 
>and in cell-to-cell communication through PD is starting to emerge.
>
>
>
>
>Mongrand S, Stanislas T, Bayer EM, Lherminier J, Simon-Plas F. Membrane rafts
>
>in plant cells. Trends Plant Sci. 2010 Dec;15(12):656-63.Review.
>
>
>Furt F, König S, Bessoule JJ, Sargueil F, Zallot R, Stanislas T, Noirot E,
>
>Lherminier J, Simon-Plas F, Heilmann I, Mongrand S. Polyphosphoinositides are
>
>enriched in plant membrane rafts and form microdomains in the plasma membrane.
>
>Plant Physiol. 2010 Apr;152(4):2173-87.
>
>
>Lefebvre B, Timmers T, Mbengue M, Moreau S, 
>Hervé C, Tóth K, Bittencourt-Silvestre J, Klaus 
>D, Deslandes L, Godiard L, Murray JD, Udvardi 
>MK, Raffaele S, Mongrand S, Cullimore J, Gamas 
>P, Niebel A, Ott T. A remorin protein interacts 
>with symbiotic receptors and regulates bacterial 
>infection. Proc Natl Acad Sci U S A. 2010 Feb 2;107(5):2343-8.
>
>
>Raffaele S, Bayer E, Lafarge D, Cluzet S, German Retana S, Boubekeur T,
>
>Leborgne-Castel N, Carde JP, Lherminier J, Noirot E, Satiat-Jeunemaître B,
>
>Laroche-Traineau J, Moreau P, Ott T, Maule AJ, Reymond P, Simon-Plas F, Farmer
>
>EE, Bessoule JJ, Mongrand S. Remorin, a 
>solanaceae protein resident in membrane
>
>rafts and plasmodesmata, impairs potato virus X movement. Plant Cell. 2009
>
>May;21(5):1541-55
>
>
>Roche Y, Gerbeau-Pissot P, Buhot B, Thomas D, Bonneau L, Gresti J, Mongrand S,
>
>Perrier-Cornet JM, Simon-Plas F. Depletion of 
>phytosterols from the plant plasma
>
>membrane provides evidence for disruption of lipid rafts. FASEB J. 2008
>
>Nov;22(11):3980-91
>
>
>Lin SS, Martin R, Mongrand S, Vandenabeele S, Chen KC, Jang IC, Chua NH.
>
>RING1 E3 ligase localizes to plasma membrane 
>lipid rafts to trigger FB1-induced
>
>programmed cell death in Arabidopsis. Plant J. 
>2008 Nov;56(4):550-61. Epub 2008
>
>Jul 16. PubMed PMID: 18643987.
>
>
>
>
>*******************************************************
>
>Alicia Zelada PhD
>
>Investigator CONICET- Assistant Professor UBA
>
>Lab of Agrobiotechnology
>FCEN-UBA
>
>Int Güiraldes 2620
>Ciudad Universitaria, Pab II. 2to piso
>Facultad de Ciencias Exactas y Naturales
>Universidad de Buenos Aires
>1428 Buenos Aires, Argentina
>Tel. (54 11) 4576-3300 ext. 425
>
><mailto:azelada.uba en gmail.com>azelada.uba en gmail.com
>
>
>
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