Biophysical Society 2020 Annual Meeting

613-Pos Board B444 SILVER IONS AFFECT THE MOTILITY OF E. COLI BY DISRUPTING THE MAR- KOVIAN RUN-AND-TUMBLE PROCESS. Benjamin P. Russell , Yong Wang 614-Pos Board B445 ROTATIONAL AND TRANSLATIONAL DRAG COEFFICIENTS OF A HELICAL BACTERIAL CELL. Liu Yu , Lucas Le Nagard, Cécile Fradin 615-Pos Board B446 COMPARISON OF THE DYNAMIC PROPERTIES OF THE BACTERIAL TUBU- LIN HOMOLOG FTSZ, FROM BACTERIA TO CHLOROPLAST. Yaodong Chen , Xueqin Ma, Na Wang, Mujeeb U. Rahman 616-Pos Board B447 INVESTIGATION OF ADHESION OF EXTRACELLULAR POLYMERIC SUB- STANCES VIA MAGNETIC TWEEZERS. Yu-Ying Hsieh , Yujia Cui, Yu-Tung Weng, Lihan Chung, Shin-Yi Lin, Chi-Shuo Chen 617-Pos Board B448 STRUCTURAL AND FUNCTIONAL INVESTIGATION OF THE MYCOBACTE- RIAL TYPE VII SECRETION ATPASE ECCA. Tom Crosskey , Kate Beckham, Annabel Parret, Matthias Wilmanns 618-Pos Board B449 ANISOTROPIC SWIMMING MODES IN HELICOBACTER PYLORI .  Jyot D. Antani , Pushkar P. Lele 619-Pos Board B450 Travel Awardee PREDATION STRATEGIES OF BDELLOVIBRIO BACTERIOVORUS .  Mikayla Carlson , Sean L. Seyler, Steve Pressé 620-Pos Board B451 SYNTHETIC CELL-CELL ADHESION MEDIATES AGGREGATION AND BOUND- ARY FORMATION IN SWARMING E. COLI .  Jung Kim , Ingmar H. Riedel- Kruse 621-Pos Board B452 MECHANICAL STRESS PROMOTES DISASSEMBLY OF THE ANTIBIOTIC EF- FLUX COMPLEX MACAB-TOLC. Christine E. Harper , Wenyao Zhang, Peng Chen, Christopher J. Hernandez 622-Pos Board B453 COMPETITIVE SUBSTRATE BINDING COORDINATES THE TWO ANTAGO- NISTIC MOTORS OF THE BACTERIAL TYPE IV PILUS. Matthias D. Koch , Chenyi Fei, Ned S. Wingreen, Zemer Gitai, Joshua W. Shaevitz 623-Pos Board B454 GEOMETRIC ENRICHMENT OF ENHANCED CELL WALL SYNTHESIS AND CYTOSKELETAL PROTEINS IN STRAIGHT, CURVED, AND HELICAL RODS.  Benjamin P. Bratton , Jennifer A. Taylor, Nicholas R. Martin, Edith S. Black- man, Nina R. Salama, Zemer Gitai, Joshua W. Shaevitz 624-Pos Board B455 MECHANISTIC ORIGIN OF CELL-SIZE CONTROL AND HOMEOSTASIS IN BACTERIA. Fangwei Si , Guillaume Le Treut, John T. Sauls, Stephen Vadia, Petra Anne Levin, Suckjoon Jun Membrane Pumps, Transporters, and Exchangers I (Boards B456 - B471) 625-Pos Board B456 THE ION-TRANSPORTER NKCC1 AS A TARGET FOR BRAIN DISEAS- ES. Corinne Portioli , Annalisa Savardi, Zhenning Ren, Marco De Vivo, Ming Zhou, Laura Cancedda 626-Pos Board B457 K + -DRIVEN ATP SYNTHESIS IN ISOLATED HEART MITOCHONDRIA.  Miguel A. Aon , Sonia Cortassa, Magdalena Juhaszova, Evgeny Kobrinsky, Dmitry B. Zorov, Steven J. Sollott

627-Pos Board B458 INSIGHT INTO SODIUM PUMP REGULATION IN THE FAILING HUMAN HEART.  Jaroslava Seflova , Marsha Pribadi, Jonathan Kirk, Alain Heroux, Aleksey V. Zima, Seth L. Robia 628-Pos Board B459 ELECTROPHYSIOLOGICAL MEASUREMENT OF MITOCHONDRIAL NA + -CA 2+ EXCHANGE IN MOUSE HEART. Mohammed M. Islam , Ayako Takeuchi, Satoshi Matsuoka 629-Pos Board B460 A NOVEL APPROACH TO DETECT ELECTROGENIC TRANSPORTER ACTIVITY IN INTACT CELLS APPLIED TO INVESTIGATE IPSC DERIVED CARDIOMYO- CYTES AND NEURONS. Maria Barthmes , Riccardo Rizzetto, Anna Mondini, Andre Bazzone, Jean-Francois Rolland, Niels Fertig, Michael George, Andrea Bruggemann 630-Pos Board B461 RETHINKING THE BOUNDS OF ION-COUPLED TRANSPORT.  Nathan E. Thomas , Grant Hussey, Katherine A. Henzler-Wildman 631-Pos Board B462 UNRAVELING THE MOLECULAR DETERMINANTS FOR GABA TRANS- PORTER SUBTYPE SELECTIVITY. Stefanie Kickinger , Anas Al-Khawaja, Anne S. Haugaard, Maria E.K. Lie, Francesco Bavo, Rebekka Löffler, Maria Damgaard, Bente Frølund, Gerhard Franz Ecker, Petrine Wellendorph 632-Pos Board B463 OVERLAPPING SUBSTRATE SPECIFICITIES IN THE SMALL MULTIDRUG RESISTANCE (SMR) FAMILY OF TRANSPORTERS. Christian B. Macdonald , Ali A. Kermani, Randy B. Stockbridge 633-Pos Board B464 SUBSTRATE RECOGNITION OF GUANIDINIUM EXPORTERS (GDX) FROM THE SMALL MULTIDRUG RESISTANCE (SMR) FAMILY. Olive E. Burata , Christian B. Macdonald, Ali A. Kermani, Randy Stockbridge 634-Pos Board B465 BACTERIAL ION HOMEOSTASIS THROUGH BIOCHEMICAL ASSAYS OF ION TRANSPORTERS. Rachael M. Lucero , Randy Stockbridge 635-Pos Board B466 FUNCTIONAL SIGNIFICANCE OF SLC26A6 IN CARDIAC PH REGULATION REVEALED BY EX VIVO CONFOCAL IMAGING. Phung Thai, Lu Ren, Yankun Lyu, James Overton, Wilson Xu, Nipavan Chiamvimonvat, Xiao-Dong Zhang 636-Pos Board B467 DEVELOPMENT OF A HIGH-THROUGHPUT ASSAY USING R-CEPIA1ER FLUORESCENCE TO ASSESS SMALL-MOLECULE MODULATORS OF SERCA ACTIVITY IN LIVING CELLS. Roman Nikolaienko, Elisa Bovo, Samantha Yuen, Joseph M. Autry, Seth L. Robia, Razvan L. Cornea, David D. Thomas, Aleksey V. Zima 637-Pos Board B468 WHEN TWO’S COMPANY: NEW EVIDENCES ON DUAL F E /C O SELECTIVITY OF TRANSPORT IN THE C O 2+ -EXPORTING CATION DIFFUSION FACILITATORS (C O - E CDF) FAMILY. Daniel C. Raimunda , Isidro Abreu, Paula Mihelj, Manuel González-Guerrero 638-Pos Board B469 RECONSTITUTION OF RESPIRATORY ENZYMES IN PDMS- G -PEO POLYMER AND POLYMER/LIPID HYBRID VESICLES. Nika Marušič , Lado Otrin, Ziliang Zhao, Rafael B. Lira, Tanja Vidaković-Koch, Ivan Ivanov, Rumiana Dimova, Kai Sundmacher 639-Pos Board B470 CONSTITUTIVE ACTIVITY OF THE DUAL-CHROMOPHORE PHOTORECEPTOR ARCHAERHODOPSIN 4. Xiaoyan Ding, Sijin Chen, Haolin Cui, Chao Sun, Dongxue Liu, Qixi Mi, Xiao He, Anthony Watts, Xin Zhao

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