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DTSTART;TZID=UTC:20230208T170000
DTEND;TZID=UTC:20230208T183000
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SUMMARY:Biochemisches Kolloquium & SFB 1551 Seminar Series - Dariush Hinderberger
DESCRIPTION:Talk announcement for the Biochemisches Kolloquium (im Wintersemester 22/23) and the SFB 1551 \n\n*Turning protein hydration and dehydration as well as function in protein hydrogels – from elastin-like polypeptides to albumin hydrogels* \nAbstract: Protein self-assembly into phase-separated states or hydrated\, high concentration hydrogels is intricately linked to hydration and dehydration structure and dynamics. Here\, it will be shown how mainly electron paramagnetic resonance (EPR) spectroscopy on paramagnetic tracer molecules can be used to characterize phase-separating elastin-like polypeptides and derived polypeptides that show thermal hysteresis. Furthermore\, the vast tuning parameter space of high-concentration protein hydrogels is explored for the platform of albumin-based hydrogels\, hydrogel function can be tuned by e.g. post-translational modification or pH. \nby Prof. Dr. Dariush Hinderberger \nMartin-Luther-Universität Halle-Wittenberg\, \nInstitut für Chemie – Physical Chemistry \nDariush_Hinderberger_Talk \n 
URL:https://crc1551.com/our-event/biochemisches-kolloquium-sfb-1551-seminar-series/
LOCATION:Biocenter II\, Seminarraum EG 00.602\, Hanns-Dieter-Hüsch-Weg 17\, Mainz
ATTACH;FMTTYPE=image/jpeg:https://crc1551.com/wp-content/uploads/2023/04/HInderberger_Abstract-Bild.jpg
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DTSTART;TZID=UTC:20230125T170000
DTEND;TZID=UTC:20230125T180000
DTSTAMP:20230417T121901Z
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SUMMARY:Colloquium "Macromolecular Sciences" and the SFB 1551 - Evan Spruijt
DESCRIPTION:Talk announcement for the colloquium “Macromolecular Sciences” and the SFB 1551 \n\n*Coacervates as organisers of biomolecular chemistry* \nEvan Spruijt \nInstitute for Molecules and Materials \nRadboud University\, Nijmegen \n\nAbstract: \nCoacervates are condensed liquid-like droplets that can be\nformed with molecules ranging from short peptides and\nnucleotides to long polymers through liquid-liquid phase\nseparation. They have been studied extensively in colloid and\ninterface science for their remarkable materials properties\,\nand now receive increasing attention as in vitro models\nmimicking biomolecular condensates.[1] Moreover\, their\nability to sequester a wide range of biomolecules creates a\nbroad range of opportunities for synthetic cell applications.\nHowever\, challenges remain to control phase separation in\ncrowded environments\, to tune interactions between\ncoacervates and with membranes\, and to tailor coacervates\nfor specific functions. In this talk\, we will focus on addressing\nthese three key challenges by answering the following\nquestions:\n(i) How does the cellular environment affect the formation and\nproperties of biomolecular condensates and other\ncoacervates?[2\,3] (ii) How do coacervates interact with each\nother and with membranes?[4] (iii) How do coacervates\ninfluence the self-assembly and aggregation of proteins?[5] \nReferences\n[1] Coacervates as models of membraneless organelles.\nYewdall\, N.A.\, André\, A.A.M.\, Lu\, T. and Spruijt\, E.\, Curr. Opin. Colloid Int. Sci. (2021)\, 52\, 101416.\n[2] Crowding-induced phase separation and gelling by co-condensation of PEG in NPM1-rRNA condensates.\nAndré\, A.A.M.\, Yewdall\, N.A. and Spruijt\, E.\, Biophys. J. (2022)\, in press.\n[3] ATP:Mg2+ shapes condensate properties of protein-RNA condensates and their partitioning of clients. Yewdall\, N.A.\,\nAndré\, A.A.M.\, Van Haren\, M.H.I.\, Nelissen\, F.H.T.\, Jonker\, A. and Spruijt\, E.\, Biophys. J. (2022)\, 121\, 3962-3974.\n[4] Endocytosis of coacervates into liposomes. Lu\, T.\, Liese\, S.\, Schoenmakers\, L.\, Weber\, C.A.\, Suzuki\, H.\, Huck\, W.T.S. and\nSpruijt\, E.\, JACS (2022)\, 144\, 13451-13455.\n[5] Biomolecular condensates can both accelerate and suppress aggregation of α-synuclein. Lipiński\, W.P.\, Visser\, B.S. Robu\,\nI.\, Abolghassemi Fakhree\, M.M.\, Lindhoud\, S.\, Claessens\, M.M.A.E. and Spruijt\, E.\, Science Advances (2022)\, 8\, abq6495.
URL:https://crc1551.com/our-event/colloquium-macromolecular-sciences-and-the-sfb-1551/
LOCATION:MPI-P Lecture Hall\, Ackermannweg 10\, Mainz
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