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September 2011 | Volume 194, No. 5

News

  • In This Issue

    • Vpr loosens chromatid ties
      Vpr loosens chromatid ties
      Ben Short
    • DLK makes neuronal cutbacks
      DLK makes neuronal cutbacks
      Ben Short
    • Arf1 doubles up to release vesicles
      Arf1 doubles up to release vesicles
      Ben Short
  • In Focus

    • Budding yeast star in their own biofilm
      Budding yeast star in their own biofilm

      Study describes the multicellular, differentiated structures formed by wild strains of S. cerevisiae.

      Ben Short
  • People & Ideas

    • Ruth Lehmann: Germ cells do things differently
      Ruth Lehmann: Germ cells do things differently

      Lehmann studies the developmental program that sets the germ line apart from somatic cells.

      Caitlin Sedwick
  • Editorial

    • New Tools for <em>JCB</em>
      New Tools for JCB
      Elizabeth H. Williams, Tom Misteli

Reviews

  • Comment

    • Bringing Rad52 foci into focus
      Bringing Rad52 foci into focus
      Peter H. Thorpe, David Alvaro, Michael Lisby, Rodney Rothstein
  • Review

    • Cytoskeleton in motion: the dynamics of keratin intermediate filaments in epithelia
      Cytoskeleton in motion: the dynamics of keratin intermediate filaments in epithelia
      Reinhard Windoffer, Michael Beil, Thomas M. Magin, Rudolf E. Leube

Research Articles

  • Report

    • Flo11p, drug efflux pumps, and the extracellular matrix cooperate to form biofilm yeast colonies
      Flo11p, drug efflux pumps, and the extracellular matrix cooperate to form biofilm yeast colonies

      Biofilm yeast colonies are complex structures that form through cooperative action of constituent cells and provide a protective environment for cell growth.

      Libuše Váchová, Vratislav Šťovíček, Otakar Hlaváček, Oleksandr Chernyavskiy, Luděk Štěpánek, Lucie Kubínová, Zdena Palková
  • Articles

    • The nucleolus directly regulates p53 export and degradation
      The nucleolus directly regulates p53 export and degradation

      Nucleoli directly regulate p53 export and degradation rather than simply sequestering p53 regulatory factors.

      Mark T. Boyd, Nikolina Vlatković, Carlos P. Rubbi
    • Cdk1 uncouples CtIP-dependent resection and Rad51 filament formation during M-phase double-strand break repair
      Cdk1 uncouples CtIP-dependent resection and Rad51 filament formation during M-phase double-strand break repair

      M-phase DNA double-strand break repair differs from S-phase repair caused by the action of Cdk1, which prevents RPA-bound single-stranded DNA from activating classical DNA repair pathways.

      Shaun E. Peterson, Yinyin Li, Brian T. Chait, Max E. Gottesman, Richard Baer, Jean Gautier
    • Epigenetic displacement of HP1 from heterochromatin by HIV-1 Vpr causes premature sister chromatid separation
      Epigenetic displacement of HP1 from heterochromatin by HIV-1 Vpr causes premature sister chromatid separation

      The HIV-1 protein Vpr disrupts higher-order chromatin structure by altering histone modification and displacing important heterochromatin proteins, resulting in chromatid cohesion defects.

      Mari Shimura, Yusuke Toyoda, Kenta Iijima, Masanobu Kinomoto, Kenzo Tokunaga, Kinya Yoda, Mitsuhiro Yanagida, Tetsutaro Sata, Yukihito Ishizaka
    • Mindbomb 1, an E3 ubiquitin ligase, forms a complex with RYK to activate Wnt/β-catenin signaling
      Mindbomb 1, an E3 ubiquitin ligase, forms a complex with RYK to activate Wnt/β-catenin signaling

      MIB1 ubiquitin ligase–mediated regulation of internalization of the Wnt receptor RYK is necessary for response to Wnt3a ligand in cell culture and C. elegans.

      Jason D. Berndt, Atsushi Aoyagi, Peitzu Yang, Jamie N. Anastas, Lan Tang, Randall T. Moon
    • DLK induces developmental neuronal degeneration via selective regulation of proapoptotic JNK activity
      DLK induces developmental neuronal degeneration via selective regulation of proapoptotic JNK activity

      DLK is part of a specialized JNK signaling complex in axons that promotes apoptosis via c-Jun but axon degeneration via distinct JNK substrates.

      Arundhati Sengupta Ghosh, Bei Wang, Christine D. Pozniak, Mark Chen, Ryan J. Watts, Joseph W. Lewcock
    • Coatomer and dimeric ADP ribosylation factor 1 promote distinct steps in membrane scission
      Coatomer and dimeric ADP ribosylation factor 1 promote distinct steps in membrane scission

      During membrane budding, coatomer drives initial curvature of the bud, whereas dimeric Arf1 is necessary for membrane scission.

      Rainer Beck, Simone Prinz, Petra Diestelkötter-Bachert, Simone Röhling, Frank Adolf, Kathrin Hoehner, Sonja Welsch, Paolo Ronchi, Britta Brügger, John A.G. Briggs, Felix Wieland
    • GCC185 plays independent roles in Golgi structure maintenance and AP-1–mediated vesicle tethering
      GCC185 plays independent roles in Golgi structure maintenance and AP-1–mediated vesicle tethering

      Two distinct domains of GCC185 function in maintaining Golgi structure or in binding to AP-1 to tether retrograde transport vesicles en route to the Golgi.

      Frank C. Brown, Carmel H. Schindelhaim, Suzanne R. Pfeffer
  • Tools

    • Comparative RNAi screening identifies a conserved core metazoan actinome by phenotype
      Comparative RNAi screening identifies a conserved core metazoan actinome by phenotype

      RNAi screens in Drosophila and human cells for novel actin regulators revealed conserved roles for proteins involved in nuclear actin export, RNA splicing, and ubiquitination.

      Jennifer L. Rohn, David Sims, Tao Liu, Marina Fedorova, Frieder Schöck, Joseph Dopie, Maria K. Vartiainen, Amy A. Kiger, Norbert Perrimon, Buzz Baum

Of Interest

  • From J. Exp. Med.

    • Targeting cap-dependent translation blocks converging survival signals by AKT and PIM kinases in lymphoma
      Jonathan H. Schatz, Elisa Oricchio, Andrew L. Wolfe, Man Jiang, Irina Linkov, Jocelyn Maragulia, Weiji Shi, Zhigang Zhang, Rajasekhar K. Vinagolu, Nen C. Pagano, John A. Porco, Julie Teruya-Feldstein, Neal Rosen, Andrew D. Zelenetz, Jerry Pelletier, Hans-Guido Wendel
    • WASp-deficient B cells play a critical, cell-intrinsic role in triggering autoimmunity
      Shirly Becker-Herman, Almut Meyer-Bahlburg, Marc A. Schwartz, Shaun W. Jackson, Kelly L. Hudkins, Chaohong Liu, Blythe D. Sather, Socheath Khim, Denny Liggitt, Wenxia Song, Gregg J. Silverman, Charles E. Alpers, David J. Rawlings
    • Notch signaling inhibits hepatocellular carcinoma following inactivation of the RB pathway
      Patrick Viatour, Ursula Ehmer, Louis A. Saddic, Craig Dorrell, Jesper B. Andersen, Chenwei Lin, Anne-Flore Zmoos, Pawel K. Mazur, Bethany E. Schaffer, Austin Ostermeier, Hannes Vogel, Karl G. Sylvester, Snorri S. Thorgeirsson, Markus Grompe, Julien Sage
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The Journal of Cell Biology: 194 (5)

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