Cytoskeleton, Motility, and Cell Mechanics

Minisymposium 23: Motility and Cytoskeleton of Microbes

Wednesday, December 15, 8:30 am–10:55 am, Ballroom 20D

CO-CHAIRS: Guillaume Charras, University College London; and Makoto Miyata, Osaka City University


8:30 am Introduction
8:35 am M192 Gliding mechanism of Mycoplasma, the smallest bacteria. M. Miyata1; 1Department of Biology, Graduate School of Science, Osaka City University, Osaka, Japan
8:55 am M193 Mechanisms of an acid-actuated protein lancet. J.K. Polka1,2, M.D. Vahey3, D.A. Fletcher3, J.M. Kollman4, T.J. Mitchison1, P.A. Silver1,2; 1Systems Biology, Harvard Medical School, Boston, MA, 2Wyss Institute for Biologically Inspired Engineering, Boston, MA, 3Bioengineering, University of California, Berkeley, Berkeley, CA, 4Biochemistry, University of Washington, Seattle, WA
9:15 am M194 Integrated systems biology underlying the final steps of bacterial cell growth. E.R. Rojas1, K.C. Huang2, J.A. Theriot1; 1Biochemistry, Stanford University, Stanford, CA, 2Bioengineering, Stanford University, Stanford, CA
9:35 am M195 IFT-independent translocation of the +TIP protein EB1 in Chlamydomonas flagella. J.A. Harris1, Y. Liu2, P. Yang2, P. Kner3, K.F. Lechtreck1; 1Cellular Biology, University of Georgia, Athens, GA, 2Biological Sciences, Marquette University, Milwaukee, WI, 3Engineering, University of Georgia, Athens, GA
9:55 am M196 Evolutionary retention of two actin nucleation promoting factors, WAVE and WASP, predicts amoeboid motility in the amphibian chytrid fungus. L. Fritz-Laylin1, S. Lord1, R.D. Mullins1; 1Cellular and Molecular Pharmacology, University of California, San Francisco, San Francisco, CA
10:15 am M197 The torsinA homolog tsin is required for the multicellular development of Dictyostelium discoideumC.A. Saunders1, J.R. Erickson1, B.M. Woolums1, H. Bauer1, M.A. Titus1, G. Luxton1; 1Genetics, Cell Biology, and Development, University of Minnesota, Minneapolis, MN
10:22 am M198 A Gα stimulated Ras/Rap switch regulates Dictyostelium chemotaxis. J. Lacal1, Y. Liu2, D.M. Veltman3, I. Keizer-Gunnink2, F. Fusetti4, P.J. van Haastert2, R.A. Firtel1, A. Kortholt2; 1Division of Biological Sciences, University of California, San Diego, CA, 2Department of Cell Biochemistry, University of Groningen, Groningen, Netherlands, 3Laboratory of Molecular Biology, Medical Research Council, Cambridge, UK, 4Department of Biochemistry and Netherlands Proteomics Centre, University of Groningen, Groningen, Netherlands
10:29 am M199 Mechanism of actin filament assembly by the Vibrio virulence factors VopF and VopL. T.A. Burke1, E. Kerkhoff2, M.K. Rosen3, R. Dominguez4, D.R. Kovar1,5; 1Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL, 2Neurology, University Hospital Regensburg, Regensburg, Germany, 3Biophysics, Biochemistry, Green Center for Systems Biology, University of Texas Southwestern Medical Center, Dallas, TX, 4Physiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, 5Biochemistry and Molecular Biology, The University of Chicago, Chicago, IL
10:35 am M200 Latrunculin-resistant F-actin and cleavage furrows without myosin II in ChlamydomonasM. Onishi1, F.R. Cross2, J.R. Pringle1; 1Department of Genetics, Stanford University School of Medicine, Stanford, CA, 2The Rockefeller University, New York, NY
10:42 am M201 MSL8, A mechanosensitive ion channel that protects cells from developmentally imposed osmotic shock. E.S. Haswell1, E.S. Hamilton1, G. Maksaev1, G.S. Jensen1; 1Biology, Washington University in Saint Louis, Saint Louis, MO
10:49 am M202 FtsZ minirings curvature is the opposite of tubulin rings. M. Housman1, M. Osawa1, H.P. Erickson1; 1Cell Biology, Duke University, Durham, NC


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