Biophysical Society 61st Annual Meeting | Program Guide

2119-Pos Board B439 COMPONENT TURNOVER IN THE CYTOKINETIC RING MAINTAINS ORGA- NIZATIONAL HOMEOSTASIS AND TENSION PRODUCTION. Shuyuan Wang , Sathish Thiyagarajan, Ting G. Chew, Junqi Huang, Saravanan Palani, Anton Kamnev, Ying Gu, Snezhana Oliferenko, Mohan Balasubramanian, Ben O’Shaughnessy 2120-Pos Board B440 WHAT SILENCES THE SPINDLE CHECKPOINT? A SINGLE PARTICLE STUDY. Kwaku N. Opoku, Lori Koch, Susan Biggins, Charles L. Asbury 2121-Pos Board B441 LOCAL LOAD-BEARING BY KINETOCHORE-FIBERS IN THE MAMMALIAN SPINDLE PROVIDES MECHANICAL ISOLATION AND REDUNDANCY. Mary Williard Elting , Dylan B. Udy, Manu Prakash, Sophie Dumont 2122-Pos Board B442 INTEGRATED MODEL OF CYTOKINETIC RING CONSTRICTION AND SEPTA- TION IN FISSION YEAST REPRODUCES EXPERIMENTAL VALUES OF RING TENSION. Shuyuan Wang , Sathish Thiyagarajan, Ben O’Shaughnessy 2123-Pos Board B443 PHYSICAL DETERMINANTS OF BIPOLAR MITOTIC SPINDLE ASSEMBLY AND STABILITY IN FISSION YEAST. Robert Blackwell, Christopher Edelmaier, Oliver Sweezy-Schindler, Adam Lamson, Zachary Gergely, Eileen O’Toole, Ammon Crapo, Loren Hough, Richard McIntosh, Matthew Glaser, Meredith Betterton 2124-Pos Board B444 FLAGELLAR LENGTH CONTROL CAN BE ACHIEVED THROUGH A SIMPLE DIFFUSION-BASED MECHANISM. Nathan L. Hendel , Wallace F. Marshall 2125-Pos Board B445 THE FLAGELLA BEAT OF CHLAMYDOMONAS HAS DISTINCTLY REGULATED STATIC AND DYNAMIC COMPONENTS, WHICH ACCORD WITH CURVA- TURE CONTROLLED DYNEIN ACTIVITY. Veikko F. Geyer , Pablo Sartori, Frank Jülicher, Jonathon Howard Cell Mechanics, Mechanosensing and Motility III (Boards B446–B469) 2126-Pos Board B446 AS THE BEATING HEART STIFFENS IN DEVELOPMENT, SO DOES THE NUCLEAR LAMINA. Sangkyun Cho , Stephanie Majkut, Amal Abbas, Ken Vogel, Jerome Irianto, Christina Y. Chen, Manorama Tewari, Andrea Liu, Benjamin Prosser, Dennis E. Discher 2127-Pos Board B447 UNDERSTANDING THE ROLE OF STIFFNESS IN PATHOLOGICAL CARDIAC FIBROBLAST SIGNALING. Tova Christensen , Kristi Anseth, Leslie Leinwand 2128-Pos Board B448 MECHANOBIOLOGY OF THE LIGAMENT TO BONE INSERTION. Aisa Biria , Shreyas Mandre, Madhusudhan Venkadesan 2129-Pos Board B449 ELECTRON MICROSCOPY OF THE COMPLEX FORMED BY HEAVY MERO- MYOSIN AND C-PROTEIN. Charlotte Scarff, Alba Fuentes Balaguer, Donald Winkelmann, John Trinick 2130-Pos Board B450 MECHANOSENSITIVE ADHESION EXPLAINS STEPPING MOTILITY IN AMOE- BOID CELLS. Calina A. Copos , Robert D. Guy, SamWalcott, Juan Carlos del Alamo, Alex Mogilner

2106-Pos Board B426 PHOTO REGULATION OF KINESIN MOTOR ACTIVITY UTILIZING PHOTO- CHROMIC DRONPA-LOOP11 FUSION PROTEIN. Kohei Uchida , Shinsaku Maruta 2107-Pos Board B427 CHARACTERISTIC PROPERTIES OF NOVEL PHOTOCHROMIC INHIBITOR OF KINESIN EG5 COMPOSED OF SPIROPYRAN DERIVATIVE OF NOVEL PHO- TOCHROMIC INHIBITOR OF KINESIN EG5 COMPOSED OF SPIROPYRAN DERIVATIVE. Kei Sadakane , Mao Takaichi, Ryoma Yamamoto, Shinsaku Maruta 2108-Pos Board B428 TIGHT COUPLING BETWEEN THE HEAT DISSIPATION AND MOLECU- LAR MOTOR’S TRANSPORT PROPERTIES IN NONEQUILIBRIUM STEADY STATE. Wonseok Hwang , Changbong Hyeon Cytoskeletal Assemblies and Dynamics (Boards B429–B445) 2109-Pos Board B429 FROM RIBOSOME TO SARCOMERE - TITIN DYNAMICS IN STRIATED MUSCLE CELLS. Michael Gotthardt , Franziska Rudolph, Judith Huette- meister, Katharina da Sliva Lopes, Lily Yu, Nora Bergmann, Claudia Fink, Eva Wagner, Stephan Lehnart, Carol Gregorio 2110-Pos Board B430 MYOSIN II-DEPENDENT SUPPRESSION OF PODOSOMES BY AN ARNO- ARF1 SIGNALING AXIS. Nisha Mohd Rafiq , Zi Zhao Lieu, TingTing Jiang, Cheng-han Yu, Paul Matsudaira, Gareth Jones, Alexander Bershadsky 2111-Pos Board B431 LOCAL PULSES OF RHOA ACTIVATION ASSEMBLE POLARIZED NETWORK ARCHITECTURES FOR EFFICIENT ACTOMYOSIN CONTRACTILITY. François B. Robin , Jonathan M. Michaux, Edwin M. Munro 2112-Pos Board B432 LIFETIME OF MEMBRANE-CYTOSKELETON BONDS IS MEDIATED BY RHO- GTPASES IN A CANCER CELL. Vivek Rajasekharan , Varun K. A. Sreeniva- san, Jeffrey N. Myers, Fred A. Pereira, Brenda Farrell 2113-Pos Board B433 SUBCELLULAR SPATIAL CONTROL OF NON-MUSCLE MYOSIN 2 REDISTRI- BUTION AND STRESS FIBER STRAIN BY MOLECULAR TATTOO. Adam I. Horvath , Boglarka H. Varkuti, Miklos Kepiro, Gyorgy Hegyi, Mihaly Kovacs, Andras Malnasi-Csizmadia 2114-Pos Board B434 AN POTOGENENTIC TOOLKIT FOR REVERSIBLE LABELING AND REMOTE MANIPULATION OF CYTOSKELETON IN SITU. Qian Zhang , Lian He, Guolin Ma, Yubin Zhou 2115-Pos Board B435 MECHANICS AND DYNAMICS OF CATION-INDUCED ACTIN BUN- DLES. Nicholas Castaneda , Tianyu Zheng, Hector Rivera-Jacquez, Qun Huo, Hyeran Kang 2116-Pos Board B436 CAMKII CONTROL OF ACTIN CYTOSKELETAL DYNAMICS. Shahid M. Khan , Justin E. Molloy 2117-Pos Board B437 MODELING THE COOPERATIVITY OF TROPOMYOSIN BINDING TO ACTIN FILAMENTS. Glen M. Hocky , Jenna R. Christensen, David R. Kovar, Gregory A. Voth 2118-Pos Board B438 COORDINATING ROLE OF IQGAP1 IN THE REGULATION OF MULTIVESICU- LAR ENDOSOMAL COMPARTMENT DYNAMICS. Volker Schweikhard , Edward Samson, David Tsao, Tyler McLaughlin, Michael Diehl

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