BPS2024 Full Program & Abstracts

2115-Pos Board B264 PROBING THE INTERPLAY BETWEEN CARGO BINDING AND CLATHRIN ADAPTOR LIFETIMES ON MEMBRANES. Samuel L. Foley , Margaret E. Johnson 2116-Pos Board B265 EPS15 AND EPSIN1 AS UBIQUITIN-DEPENDENT CATALYSTS OF CLATHRIN MEDIATED ENDOCYTOSIS. Susovan Sarkar, Feng Yuan, Liping Wang, Eileen M. Lafer, Jeanne C. Stachowiak 2117-Pos Board B266 SNAPSHOTS OF DYNAMIN-MEDIATED MEMBRANE FISSION BY CRYO EM. Nidhi Kundu , Sarah B. Nyenhuis, John Jimah, Jonathan Harrison, Jenny E. Hinshaw 2118-Pos Board B267 MECHANOCHEMISTRY OF DYNAMIN CONDENSATE MEDIATED ULTRA FAST ENDOCYTOSIS AT NEURONAL SYNAPSES. Haoyuan Jing , Jian Liu 2119-Pos Board B268 Travel Award Winner EXTRACTING STRUCTURAL AND DYNAMIC INFORMATION OF VESICLE TO-ENDOSOME MATURATION IN LIVE YEAST WITH MOTION-CORRECT ED PALM. Yu Xu , Santosh Adhikari, Elias M. Puchner 2120-Pos Board B269 DECIPHERING ENDOSOMAL ESCAPE OF NANOPARTICLES AT THE SINGLE PARTICLE LEVEL. Frank Schulz , Nikos S. Hatzakis 2121-Pos Board B270 RAPID PROPAGATION OF MEMBRANE TENSION AT RETINAL BIPOLAR NEURON PRESYNAPTIC TERMINALS. Carolina Gomis Perez , Natasha R. Dudzinski, Mason Rouches, Ane Landajuela, Benjamin B. Machta, David Zenisek, Erdem Karatekin 2122-Pos Board B271 INTEGRATED SUSPENDED LIPID MEMBRANE PLATFORM: HARNESS ING AMPEROMETRIC AND SINGLE-MOLECULE CAPABILITIES FOR DEEP INSIGHTS INTO FUSION DYNAMICS. Jonathan S. Weerakkody , Sikha Thoduvayil, Sathish Ramakrishnan 2123-Pos Board B272 CHANGES IN ENVIRONMENTAL CONDITIONS AFFECT THE TWO ISO FORMS OF SNAP-25 DIFFERENTLY. Tanner M. Blocker , Thomas D. Weed, Joseph H. Jackson, Nathan S. Mumford, Hunter S. Malquist, Ryan J. Poland, Jarom S. Sumsion, Samuel W. Shumway, Dixon J. Woodbury 2124-Pos Board B273 THE TWO SNARE MOTIFS OF SNAP25 ARE STRUCTURALLY AND FUNC TIONALLY DISTINCT. Katelyn N. Kraichely , Volker Kiessling, Binyong Liang, Lukas K. Tamm 2125-Pos Board B274 CA 2+ MEDIATED SYNAPTOTAGMIN C2 DOMAIN BINDING TO TARGET MEMBRANES CHANGES THE PHYSICAL PROPERTIES OF THE LIPID BILAY ER. Volker Kiessling , Connor R. Sandall, Akosua Ofosuhene, Mark A.B. Kreutzberger, Weronika Tomaka, Neal Waxham, Frederick A. Heberle, David S. Cafiso, Lukas K. Tamm 2126-Pos Board B275 SYNAPTOTAGMIN-1 AND SYNAPTOTAGMIN-7 SYNERGISTICALLY REGU LATE THE TIMING AND PLASTICITY OF CA 2+ -EVOKED VESICULAR RELEASE PROCESS. Dipayan Bose , Manindra Bera, Christopher A. Norman, Kirill E. Volynski, Shyam S. Krishnakumar 2127-Pos Board B276 MECHANISMS OF VESICLE DOCKING AND FUSION PORE EXPANSION BY CALCIUM-SENSOR SYNAPTOTAGMIN-1. Sudheer Kumar Cheppali , Maria Tsemperouli, David Chetrit, Felix Rivera-Molina, Derek K. Toomre, Erdem Karatekin

2128-Pos Board B277 THE ROLE OF MUNC18 IN REGULATING THE SPATIAL ARRANGEMENT OF SYNTAXIN-1A AND SNARE COMPLEX ASSEMBLY. Weronika Tomaka , Volker Kiessling, Lukas K. Tamm 2129-Pos Board B278 LIVE CELL IMAGING PROTEINS INVOLVED IN CALCIUM-TRIGGERED EXOCYTOSIS. Lila Gordon 2130-Pos Board B279 SEROTONERGIC REGULATION OF CATECHOLAMINE EXOCYTOSIS FROM ADRENAL CHROMAFFIN CELLS INVOLVES TWO MECHANISTICALLY AND TEMPORALLY DISTINCT PATHWAYS. Mary Beth Bauer, Rebecca L. Brind ley, Kevin P. Currie 2131-Pos Board B280 EXOSOME-MEDIATED CROSSTALK BETWEEN SENSORY NEURONS AND SUPPORTING SATELLITE GLIAL CELLS. Vincenzo Prato , Char Palfrey, Varinder K. Lall, Frederick P. Jones, Alice Gregorie, Francesca Picco, Nikita Gamper 2132-Pos Board B281 ELECTROPHYSIOLOGICAL PORE FORMATION DURING HOST CELL INVASION BY TOXOPLASMA GONDII. Yuto Kegawa, Frances Male, Irene Jimenez Munguia , Paul S. Blank, Gary Ward, Joshua Zimmerberg Cardiac, Smooth, and Skeletal Muscle Electrophysiol ogy (Boards B282 - B310) 2133-Pos Board B282 A NOVEL CONCEPTUAL MODEL OF HEART RATE AUTONOMIC MODU LATION BASED ON A SMALL-WORLD MODULAR STRUCTURE OF THE SINOATRIAL NODE. Alexander V. Maltsev , Edward G. Lakatta, Michael D. Stern, Victor A. Maltsev 2134-Pos Board B283 DETERMINING SEX-DRIVEN EXCITATION-CONTRACTION COUPLING MECHANISMS IN YOUNG POPULATIONS. Edith Jones , Bence Hegyi, Donald M. Bers, Stefano Morotti, Eleonora Grandi 2135-Pos Board B284 TRANSIENT RECEPTOR POTENTIAL VANILLOID 4 AND ATRIAL ARRHYTH MOGENESIS IN AGED MOUSE HEARTS. Jessica A. Cayton , Matthew R. Hayden, Michelle D. Lambert, Zahra Nourian, Tim Domeier 2136-Pos Board B285 UNVEILING SEX-SPECIFIC MECHANISMS OF ATRIAL CA 2+ DYSREGULATION AND CA 2+ -DRIVEN ARRHYTHMIA VIA MULTISCALE MODELING. Yixuan Wu , Xianwei Zhang, William E. Louch, Michael A. Colman, Haibo Ni, Eleonora Grandi 2137-Pos Board B286 ELECTROPHYSIOLOGICAL ASPECTS OF MYOTONIC DYSTROPHY TYPE 1 IN CARDIOMYOCYTES DERIVED FROM PATIENT SPECIFIC INDUCED PLURIPOTENT STEM CELLS. Marion Pierre , Mohammed Djemai, Charles Albert Chapotte-Baldacci, Jack Puymirat, Mohamed Boutjdir, Mohamed Chahine 2138-Pos Board B287 ATRIAL FIBRILLATION INITIATION AND ORGANIZATION IN A MECHA NISTIC MODEL OF ATRIAL REMODELING AND CALCIUM HOMEOSTATIC REGULATION. Nicolae Moise , Seth H. Weinberg 2139-Pos Board B288 CHARACTERIZING IONIC CURRENTS OF ATRIAL-LIKE AND VENTRICULAR LIKE HIPSC-CARDIOMYOCYTES. Charles-Albert Chapotte-Baldacci , Marion Pierre, Mohammed Djemai, Mohamed Chahine

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