Biophysical Society 61st Annual Meeting | Program Guide

469-Pos Board B234 EFFECTS OF STEROL SUBSTITUTION IN PLASMA MEMBRANE OF HOST CELL UPON INTERNALIZATION OF YERSINIA PSEUDOTUBERCULOSIS .  JiHyun Kim , Hana S. Fukuto, James B. Bliska, Erwin London 470-Pos Board B235 RECOVERY OF ESCRT-III FILAMENTS SUBJECTED TO FORCE: AN ‘INVASIVE MODE’ HS-AFM STUDY. Nebojsa Jukic , Lorena Redondo-Morata, Aurélien Roux, Simon Scheuring 471-Pos Board B236 STRUCTURAL DYNAMICS OF ENDOCYTOSIS BY HIGH-SPEED ATOMIC FORCE MICROSCOPY. Grigory Tagiltsev , Frederic Eghiaian, Simon Scheur- ing 472-Pos Board B237 DILATION OF FUSION PORES BY SNARE PROTEIN CROWDING. Zhenyong Wu , Oscar D. Bello, Sathish Thiyagarajan, Sarah M. Auclair, Wensi Ven- nekate, Shyam S. Krishnakumar, Ben O’Shaughnessy, Erdem Karatekin 473-Pos Board B238 IMAGING REGULATORY LIPIDS AND PROTEIN KINASE C AT SITES OF EXO- CYTOSIS. Adam J. Trexler , Justin W. Taraska 474-Pos Board B239 A CMOS BASED SENSOR ARRAY PLATFORM FOR ANALYSIS OF EXOCYTOSIS EVENTS. Meng Huang , John C. Ruelas, Shailendra S. Rathore, Joannalyn B. Delacruz, Manfred Lindau 475-Pos Board B240 MIZ-2, A NEW CATECHOLAMINE-SELECTIVE FLUORESCENT SENSOR FOR VISUALIZING NOREPINEPHRINE. Xin A. Liu , Le Zhang, Kevin D. Gillis, Timo- thy E. Glass 476-Pos Board B241 SNARE PROTEIN STRUCTURE ALTERED IN RESPONSE TO PH. Kara L. Woodbury , Sam K. Zenger, Peter Weitzel, Curtis D. Nelson, Sterling M. Jones, Trey S. Winter, Wade J. Whitt, Ani C. Henriksen, Dixon J. Woodbury Calcium Signaling I (Boards B242–B255) 477-Pos Board B242 OPTOGENETIC DISSECTION OF STIM1 CONFORMATIONAL SWITCH AND OLIGOMERIZATION. Guolin Ma, Lian He, Qian Zhang, Yubin Zhou 478-Pos Board B243 STRUCTURAL DIFFERENCES BETWEEN CARDIAC AND SKELETAL RYANO- DINE RECEPTORS. Sonali Dhindwal, Joshua Lobo, Montserrat Samso 479-Pos Board B244 INCREASED DENSITY OF SERCA PUMPS AT THE PERIPHERY OF CARDIAC PURKINJE CELLS AFTER MYOCARDIAL INFARCTION. Bruno Stuyvers , Penelope Boyden, Henk EDJ ter Keurs, Yunbo Guo, Wen Dun, Kazi Haq, Meleze Hocini, Michel Haissaguerre, Olivier Bernus, Sebastien Chaigne, Sabine Charron, Caroline Cros, Fabien Brette 480-Pos Board B245 FUNCTIONAL EFFECTS OF THE RYR 2 R420Q CATECHOLAMINERGIC VENTRICU- LAR POLYMORPHIC TACHYCARDIA IN MOUSE CARDIOMYOCYTES. Ric- cardo Rizzetto, Miguel Fernandez-Tenorio, Alexandra Zahradnikova Jr, Simona Boncompani, Elena Marqués-Sulé, Yue Yi Wang, Jean-Pierre Benitah, Esther Zorio, Feliciano Protasi, Ernst Niggli, Ana M. Gomez 481-Pos Board B246 SUPPRESSION OF ARRHYTHMIA BY ENHANCING MITOCHONDRIAL CALCIUM UPTAKE IN EXPERIMENTAL MODELS OF CATECHOLAMINERGIC VENTRICULAR TACHYCARDIA. Maria K. Schweitzer, Fabiola Wilting, Simon Sedej, Lisa Dreizehnter, Nathan J. Dupper, Alessandra Moretti, Ohyun Kwon, Silvia G. Priori, Karl-Ludwig Laugwitz, Michael Mederos y Schnit- zler, Thomas Gudermann, Johann Schredelseker

455-Pos Board B220 INVESTIGATING INITIAL EVENTS OF IGE RECEPTOR SIGNALING WITH SUPER-RESOLUTION MICROSCOPY AND MONTE CARLO SIMULATIONS.  Eshan Mitra , James P. Sethna, David Holowka, Barbara Baird 456-Pos Board B221 FLUORESCENCE FLUCTUATION SPECTROSCOPY OF DOPAMINERGIC SIG- NALING IN PANCREATIC BETA CELLS. Daniel JP Foust , Alessandro Ustione, David W. Piston 457-Pos Board B222 DYNAMICS OF VARIOUS PHOSPHOLIPASE C-Β COMPLEXES.  Ashima Singla , Suzanne Scarlata 458-Pos Board B223 OPTICAL CONTROL OF CGMP SIGNALING. Ulrike Scheib , Katja Stehfest, Christine E. Gee, Heinz G. Körschen, Shatanik Mukherjee, Thomas G. Oertner, Peter Hegemann 459-Pos Board B224 PHOTO REGULATION OF SMALL G-PROTEIN RAS USING PHOTOCHROMIC PEPTIDE. Masahiro Kuboyama , Kaori Masuhara, Shinsaku Maruta, Kazu- nori Kondo, Kazuo Fujiwara Exocytosis and Endocytosis I (Boards B225–B241) 460-Pos Board B225 DYNAMIN INDEPENDENT ENDOCYTIC PATHWAY OPERATES IN A NEGA- TIVE FEEDBACK LOOP TO SENSE AND REGULATE THE RESTING MEM- BRANE TENSION.  Joseph J. Thottacherry 461-Pos Board B226 Education Travel Awardee MUNC13 AND MUNC18 COOPERATE TO PROPERLY ASSEMBLE SNARES FOR FAST NEUROTRANSMITTER RELEASE. Ying Lai 462-Pos Board B227 CID Travel Awardee EFFECTS OF OPSONIN DENSITY AND TYPE ON THE PHAGOCYTOSIS OF BEADS. Sebastian Hendrickx-Rodriguez , Michael R. Falvo, E. Timothy O’Brien III, Richard Superfine 463-Pos Board B228 Education Travel Awardee A SUPPORTED TUBULATED BILAYER SYSTEM SHOWS EFFECTS OF SYNAP- TOTAGMIN-7 ON MEMBRANE CURVATURE. Peter Dahl , Joseph Vasquez, Hai Tran, Jeff Knight, Arun Anantharam 464-Pos Board B229 EXOSOMES FRACTIONATION BY BIOPHYSICAL PROPERTIES.  Soheyl Tadjiki , Robert Reed, Samer Al-Hakami, Mikhail Skliar 465-Pos Board B230 MEMBRANE RECRUITMENT ENABLES WEAK BINDING ENDOCYTIC PRO- TEINS TO FORM STABLE COMPLEXES. Osman Yogurtcu, Margaret E. Johnson 466-Pos Board B231 MECHANOREGULATION OF CLATHRIN-MEDIATED ENDOCYTOSIS IN ISO- LATED CELLS AND DEVELOPING TISSUES. Comert Kural 467-Pos Board B232 REGULATION OF LYSOSOMAL EXOCYTOSIS BY OXIDATIVE STRESS AND CALCIUM IONS. Sreeram Ravi, Andrew P. VanDemark, Kirill Kiselyov 468-Pos Board B233 LOCAL TURGOR PRESSURE REDUCTION VIA CHANNEL CLUSTERING.  Jonah K. Scher-Zagier

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