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Table of Contents

August 11, 2009; vol. 106 no. 32

This Week in PNAS

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    In This Issue
    PNAS August 11, 2009 106 (32) 13145-13146; https://doi.org/10.1073/iti3209106

    See companion article:

    • Restoring a maize root signal that attracts insect-killing nematodes to control a major pest
      - Aug 03, 2009
    • Fully functional bioengineered tooth replacement as an organ replacement therapy
      - Aug 03, 2009
    • Experimental and clinical evidence of neuroprotection by nerve growth factor eye drops: Implications for glaucoma
      - Aug 03, 2009
    • Single-molecule analysis reveals that the lagging strand increases replisome processivity but slows replication fork progression
      - Aug 03, 2009

Letters (Online Only)

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    Enantiomeric excesses in the Murchison meteorite and the origin of homochirality in terrestrial biology
    Jeffrey L. Bada
    PNAS August 11, 2009 106 (32) E85; https://doi.org/10.1073/pnas.0906490106

    See companion article:

    • Reply to Bada: The relevance of meteoritic alpha-methyl amino acids to prebiotic homochirality
      - Jul 30, 2009
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    Reply to Bada: The relevance of meteoritic alpha-methyl amino acids to prebiotic homochirality
    Ronald Breslow
    PNAS August 11, 2009 106 (32) E86; https://doi.org/10.1073/pnas.0907800106

    See companion article:

    • Enantiomeric excesses in the Murchison meteorite and the origin of homochirality in terrestrial biology
      - Jul 30, 2009

Commentaries

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    A new look at the human Rad51 protein
    Michael M. Cox
    PNAS August 11, 2009 106 (32) 13147-13148; https://doi.org/10.1073/pnas.0906816106

    See companion article:

    • Structure of human Rad51 protein filament from molecular modeling and site-specific linear dichroism spectroscopy
      - Jul 08, 2009
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    A new direction for titin pulling
    Ronald S. Rock
    PNAS August 11, 2009 106 (32) 13149-13150; https://doi.org/10.1073/pnas.0906989106

    See companion article:

    • The titin-telethonin complex is a directed, superstable molecular bond in the muscle Z-disk
      - Jul 21, 2009
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    Calreticulins are not all the same
    Alessandro Vitale
    PNAS August 11, 2009 106 (32) 13151-13152; https://doi.org/10.1073/pnas.0907255106

    See companion article:

    • A plant-specific calreticulin is a key retention factor for a defective brassinosteroid receptor in the endoplasmic reticulum
      - Jul 13, 2009

Physical Sciences

  • Applied Physical Sciences

    • Open Access
      Scaling properties of European research units
      Bjørn Jamtveit, Espen Jettestuen, and Joachim Mathiesen
      PNAS August 11, 2009 106 (32) 13160-13163; https://doi.org/10.1073/pnas.0903190106
  • Chemistry

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      DNA-mediated redox signaling for transcriptional activation of SoxR
      Paul E. Lee, Bruce Demple, and Jacqueline K. Barton
      PNAS August 11, 2009 106 (32) 13164-13168; https://doi.org/10.1073/pnas.0906429106
    • You have access
      An organometallic route to long helicenes
      Petr Sehnal, Irena G. Stará, David Šaman, Miloš Tichý, Jiří Míšek, Josef Cvačka, Lubomír Rulíšek, Jana Chocholoušová, Jaroslav Vacek, Grzegorz Goryl, Marek Szymonski, Ivana Císařová, and Ivo Starý
      PNAS August 11, 2009 106 (32) 13169-13174; https://doi.org/10.1073/pnas.0902612106
    • Open Access
      Allosteric modulation of DNA by small molecules
      David M. Chenoweth and Peter B. Dervan
      PNAS August 11, 2009 106 (32) 13175-13179; https://doi.org/10.1073/pnas.0906532106
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      Quasiclassical trajectory study of H+SiH4 reactions in full-dimensionality reveals atomic-level mechanisms
      Jianwei Cao, Zhijun Zhang, Chunfang Zhang, Kun Liu, Manhui Wang, and Wensheng Bian
      PNAS August 11, 2009 106 (32) 13180-13185; https://doi.org/10.1073/pnas.0903934106
    • Open Access
      Cation specific binding with protein surface charges
      Berk Hess and Nico F. A. van der Vegt
      PNAS August 11, 2009 106 (32) 13296-13300; https://doi.org/10.1073/pnas.0902904106
  • Engineering

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      Extraordinary synergy in the mechanical properties of polymer matrix composites reinforced with 2 nanocarbons
      K. Eswar Prasad, Barun Das, Urmimala Maitra, Upadrasta Ramamurty, and C. N. R. Rao
      PNAS August 11, 2009 106 (32) 13186-13189; https://doi.org/10.1073/pnas.0905844106
  • Geology

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      Mineralogical constraints on the paleoenvironments of the Ediacaran Doushantuo Formation
      Thomas F. Bristow, Martin J. Kennedy, Arkadiusz Derkowski, Mary L. Droser, Ganqing Jiang, and Robert A. Creaser
      PNAS August 11, 2009 106 (32) 13190-13195; https://doi.org/10.1073/pnas.0901080106
    • You have access
      Climate directly influences Eocene mammal faunal dynamics in North America
      Michael O. Woodburne, Gregg F. Gunnell, and Richard K. Stucky
      PNAS August 11, 2009 106 (32) 13399-13403; https://doi.org/10.1073/pnas.0906802106
  • Physics

    • Open Access
      The structure of DNA overstretched from the 5′5′ ends differs from the structure of DNA overstretched from the 3′3′ ends
      Claudia Danilowicz, Charles Limouse, Kristi Hatch, Alyson Conover, Vincent W. Coljee, Nancy Kleckner, and Mara Prentiss
      PNAS August 11, 2009 106 (32) 13196-13201; https://doi.org/10.1073/pnas.0904729106
    • You have access
      Morphology and interaction between lipid domains
      Tristan S. Ursell, William S. Klug, and Rob Phillips
      PNAS August 11, 2009 106 (32) 13301-13306; https://doi.org/10.1073/pnas.0903825106

Social Sciences

  • Anthropology

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      Gourd and squash artifacts yield starch grains of feasting foods from preceramic Peru
      Neil A. Duncan, Deborah M. Pearsall, and Robert A. Benfer Jr.
      PNAS August 11, 2009 106 (32) 13202-13206; https://doi.org/10.1073/pnas.0903322106
    • You have access
      Cooperative hunting and meat sharing 400–200 kya at Qesem Cave, Israel
      Mary C. Stiner, Ran Barkai, and Avi Gopher
      PNAS August 11, 2009 106 (32) 13207-13212; https://doi.org/10.1073/pnas.0900564106

Biological Sciences

  • Agricultural Sciences

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      Restoring a maize root signal that attracts insect-killing nematodes to control a major pest
      Jörg Degenhardt, Ivan Hiltpold, Tobias G. Köllner, Monika Frey, Alfons Gierl, Jonathan Gershenzon, Bruce E. Hibbard, Mark R. Ellersieck, and Ted C. J. Turlings
      PNAS August 11, 2009 106 (32) 13213-13218; https://doi.org/10.1073/pnas.0906365106

      See companion article:

      • In This Issue
        - Aug 11, 2009
  • Anthropology

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      Gourd and squash artifacts yield starch grains of feasting foods from preceramic Peru
      Neil A. Duncan, Deborah M. Pearsall, and Robert A. Benfer Jr.
      PNAS August 11, 2009 106 (32) 13202-13206; https://doi.org/10.1073/pnas.0903322106
  • Applied Biological Sciences

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      Connexin 43 as a signaling platform for increasing the volume and spatial distribution of regenerated tissue
      • From the Cover
      Ricardo A. Rosselló, Zhuo Wang, Eddy Kizana, Paul H. Krebsbach, and David H. Kohn
      PNAS August 11, 2009 106 (32) 13219-13224; https://doi.org/10.1073/pnas.0902622106
    • Open Access
      Production of Clostridium difficile toxin in a medium totally free of both animal and dairy proteins or digests
      Aiqi Fang, Donald F. Gerson, and Arnold L. Demain
      PNAS August 11, 2009 106 (32) 13225-13229; https://doi.org/10.1073/pnas.0906425106
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      Inhibition of aac(6′)-Ib-mediated amikacin resistance by nuclease-resistant external guide sequences in bacteria
      Alfonso J. C. Soler Bistué, Fernando A. Martín, Nicolás Vozza, Hongphuc Ha, Jonathan C. Joaquín, Angeles Zorreguieta, and Marcelo E. Tolmasky
      PNAS August 11, 2009 106 (32) 13230-13235; https://doi.org/10.1073/pnas.0906529106
  • Biochemistry

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      Histone H3 N-terminus regulates higher order structure of yeast heterochromatin
      • Inaugural Article
      Adam S. Sperling and Michael Grunstein
      PNAS August 11, 2009 106 (32) 13153-13159; https://doi.org/10.1073/pnas.0906866106

      See companion article:

      • Profile of Michael Grunstein
        - Nov 15, 2011
    • You have access
      DNA-mediated redox signaling for transcriptional activation of SoxR
      Paul E. Lee, Bruce Demple, and Jacqueline K. Barton
      PNAS August 11, 2009 106 (32) 13164-13168; https://doi.org/10.1073/pnas.0906429106
    • You have access
      Single-molecule analysis reveals that the lagging strand increases replisome processivity but slows replication fork progression
      Nina Y. Yao, Roxana E. Georgescu, Jeff Finkelstein, and Michael E. O'Donnell
      PNAS August 11, 2009 106 (32) 13236-13241; https://doi.org/10.1073/pnas.0906157106

      See companion article:

      • In This Issue
        - Aug 11, 2009
    • You have access
      Structure of the C-terminal domain of transcription factor IIB from Trypanosoma brucei
      B. Syed Ibrahim, Nalini Kanneganti, Gabrielle E. Rieckhof, Anish Das, Douglas V. Laurents, Jennifer B. Palenchar, Vivian Bellofatto, and David A. Wah
      PNAS August 11, 2009 106 (32) 13242-13247; https://doi.org/10.1073/pnas.0904309106
    • You have access
      Structure of human Rad51 protein filament from molecular modeling and site-specific linear dichroism spectroscopy
      • From the Cover
      Anna Reymer, Karolin Frykholm, Katsumi Morimatsu, Masayuki Takahashi, and Bengt Nordén
      PNAS August 11, 2009 106 (32) 13248-13253; https://doi.org/10.1073/pnas.0902723106

      See companion article:

      • A new look at the human Rad51 protein
        - Aug 05, 2009
    • Open Access
      The BRC repeats of human BRCA2 differentially regulate RAD51 binding on single- versus double-stranded DNA to stimulate strand exchange
      Mahmud K. K. Shivji, Shreyas R. Mukund, Eeson Rajendra, Shaoxia Chen, Judith M. Short, Jane Savill, David Klenerman, and Ashok R. Venkitaraman
      PNAS August 11, 2009 106 (32) 13254-13259; https://doi.org/10.1073/pnas.0906208106
    • You have access
      Structural basis for subversion of cellular control mechanisms by the adenoviral E1A oncoprotein
      Josephine C. Ferreon, Maria A. Martinez-Yamout, H. Jane Dyson, and Peter E. Wright
      PNAS August 11, 2009 106 (32) 13260-13265; https://doi.org/10.1073/pnas.0906770106
    • You have access
      Inhibiting Plasmodium falciparum growth and heme detoxification pathway using heme-binding DNA aptamers
      Jacquin C. Niles, Joseph L. DeRisi, and Michael A. Marletta
      PNAS August 11, 2009 106 (32) 13266-13271; https://doi.org/10.1073/pnas.0906370106
    • You have access
      The eye lens chaperone α-crystallin forms defined globular assemblies
      Jirka Peschek, Nathalie Braun, Titus M. Franzmann, Yannis Georgalis, Martin Haslbeck, Sevil Weinkauf, and Johannes Buchner
      PNAS August 11, 2009 106 (32) 13272-13277; https://doi.org/10.1073/pnas.0902651106
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      The DNA-gate of Bacillus subtilis gyrase is predominantly in the closed conformation during the DNA supercoiling reaction
      Airat Gubaev, Manuel Hilbert, and Dagmar Klostermeier
      PNAS August 11, 2009 106 (32) 13278-13283; https://doi.org/10.1073/pnas.0902493106
    • Open Access
      Structural analysis of substrate binding by the TatBC component of the twin-arginine protein transport system
      Michael J. Tarry, Eva Schäfer, Shuyun Chen, Grant Buchanan, Nicholas P. Greene, Susan M. Lea, Tracy Palmer, Helen R. Saibil, and Ben C. Berks
      PNAS August 11, 2009 106 (32) 13284-13289; https://doi.org/10.1073/pnas.0901566106
    • You have access
      Cysteine modification of a specific repressor protein controls the translational status of nucleus-encoded LHCII mRNAs in Chlamydomonas
      Lutz Wobbe, Olga Blifernez, Christian Schwarz, Jan H. Mussgnug, Jörg Nickelsen, and Olaf Kruse
      PNAS August 11, 2009 106 (32) 13290-13295; https://doi.org/10.1073/pnas.0900670106
  • Biophysics and Computational Biology

    • Open Access
      The structure of DNA overstretched from the 5′5′ ends differs from the structure of DNA overstretched from the 3′3′ ends
      Claudia Danilowicz, Charles Limouse, Kristi Hatch, Alyson Conover, Vincent W. Coljee, Nancy Kleckner, and Mara Prentiss
      PNAS August 11, 2009 106 (32) 13196-13201; https://doi.org/10.1073/pnas.0904729106
    • Open Access
      Cation specific binding with protein surface charges
      Berk Hess and Nico F. A. van der Vegt
      PNAS August 11, 2009 106 (32) 13296-13300; https://doi.org/10.1073/pnas.0902904106
    • You have access
      Morphology and interaction between lipid domains
      Tristan S. Ursell, William S. Klug, and Rob Phillips
      PNAS August 11, 2009 106 (32) 13301-13306; https://doi.org/10.1073/pnas.0903825106
    • You have access
      The titin-telethonin complex is a directed, superstable molecular bond in the muscle Z-disk
      • From the Cover
      Morten Bertz, Matthias Wilmanns, and Matthias Rief
      PNAS August 11, 2009 106 (32) 13307-133310; https://doi.org/10.1073/pnas.0902312106

      See companion article:

      • A new direction for titin pulling
        - Aug 05, 2009
    • You have access
      Conformational heterogeneity of the M2 proton channel and a structural model for channel activation
      Myunggi Yi, Timothy A. Cross, and Huan-Xiang Zhou
      PNAS August 11, 2009 106 (32) 13311-13316; https://doi.org/10.1073/pnas.0906553106
    • You have access
      Evidence for heteromorphic chromatin fibers from analysis of nucleosome interactions
      Sergei A. Grigoryev, Gaurav Arya, Sarah Correll, Christopher L. Woodcock, and Tamar Schlick
      PNAS August 11, 2009 106 (32) 13317-13322; https://doi.org/10.1073/pnas.0903280106
  • Cell Biology

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      The malarial parasite Plasmodium falciparum imports the human protein peroxiredoxin 2 for peroxide detoxification
      Sasa Koncarevic, Petra Rohrbach, Marcel Deponte, Georg Krohne, Judith Helena Prieto, John Yates III, Stefan Rahlfs, and Katja Becker
      PNAS August 11, 2009 106 (32) 13323-13328; https://doi.org/10.1073/pnas.0905387106
    • Open Access
      Structural basis for a human glycosylation disorder caused by mutation of the COG4 gene
      Brian C. Richardson, Richard D. Smith, Daniel Ungar, Ayumi Nakamura, Philip D. Jeffrey, Vladimir V. Lupashin, and Frederick M. Hughson
      PNAS August 11, 2009 106 (32) 13329-13334; https://doi.org/10.1073/pnas.0901966106
    • You have access
      NFAT isoforms control activity-dependent muscle fiber type specification
      Elisa Calabria, Stefano Ciciliot, Irene Moretti, Marta Garcia, Anne Picard, Kenneth A. Dyar, Giorgia Pallafacchina, Jana Tothova, Stefano Schiaffino, and Marta Murgia
      PNAS August 11, 2009 106 (32) 13335-13340; https://doi.org/10.1073/pnas.0812911106
    • You have access
      Rapid formin-mediated actin-filament elongation is essential for polarized plant cell growth
      Luis Vidali, Peter A. C. van Gisbergen, Christophe Guérin, Paula Franco, Ming Li, Graham M. Burkart, Robert C. Augustine, Laurent Blanchoin, and Magdalena Bezanilla
      PNAS August 11, 2009 106 (32) 13341-13346; https://doi.org/10.1073/pnas.0901170106
    • You have access
      The actin-like MreB cytoskeleton organizes viral DNA replication in bacteria
      Daniel Muñoz-Espín, Richard Daniel, Yoshikazu Kawai, Rut Carballido-López, Virginia Castilla-Llorente, Jeff Errington, Wilfried J. J. Meijer, and Margarita Salas
      PNAS August 11, 2009 106 (32) 13347-13352; https://doi.org/10.1073/pnas.0906465106
    • You have access
      TR4 nuclear receptor functions as a fatty acid sensor to modulate CD36 expression and foam cell formation
      Shaozhen Xie, Yi-Fen Lee, Eungseok Kim, Lu-Min Chen, Jing Ni, Lei-Ya Fang, Su Liu, Shin-Jen Lin, Jun-ichi Abe, Bradford Berk, Feng-Ming Ho, and Chawnshang Chang
      PNAS August 11, 2009 106 (32) 13353-13358; https://doi.org/10.1073/pnas.0905724106
    • Open Access
      A possible effector role for the pleckstrin homology (PH) domain of dynamin
      Kelley A. Bethoney, Megan C. King, Jenny E. Hinshaw, E. Michael Ostap, and Mark A. Lemmon
      PNAS August 11, 2009 106 (32) 13359-13364; https://doi.org/10.1073/pnas.0906945106
  • Developmental Biology

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      Optimized Gal4 genetics for permanent gene expression mapping in zebrafish
      Martin Distel, Mario F. Wullimann, and Reinhard W. Köster
      PNAS August 11, 2009 106 (32) 13365-13370; https://doi.org/10.1073/pnas.0903060106
    • You have access
      Receptor guanylyl cyclases in Inka cells targeted by eclosion hormone
      Jer-Cherng Chang, Ruey-Bing Yang, Michael E. Adams, and Kuang-Hui Lu
      PNAS August 11, 2009 106 (32) 13371-13376; https://doi.org/10.1073/pnas.0812593106
    • You have access
      Mouse Kif7/Costal2 is a cilia-associated protein that regulates Sonic hedgehog signaling
      Karel F. Liem Jr, Mu He, Polloneal Jymmiel R. Ocbina, and Kathryn V. Anderson
      PNAS August 11, 2009 106 (32) 13377-13382; https://doi.org/10.1073/pnas.0906944106
    • You have access
      Muscle stem cell behavior is modified by microRNA-27 regulation of Pax3 expression
      Colin G. Crist, Didier Montarras, Giorgia Pallafacchina, Didier Rocancourt, Ana Cumano, Simon J. Conway, and Margaret Buckingham
      PNAS August 11, 2009 106 (32) 13383-13387; https://doi.org/10.1073/pnas.0900210106
  • Ecology

    • Open Access
      Temperature dependence, spatial scale, and tree species diversity in eastern Asia and North America
      Zhiheng Wang, James H. Brown, Zhiyao Tang, and Jingyun Fang
      PNAS August 11, 2009 106 (32) 13388-13392; https://doi.org/10.1073/pnas.0905030106
    • You have access
      Perturbations to trophic interactions and the stability of complex food webs
      Eoin J. O'Gorman and Mark C. Emmerson
      PNAS August 11, 2009 106 (32) 13393-13398; https://doi.org/10.1073/pnas.0903682106
  • Evolution

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      Climate directly influences Eocene mammal faunal dynamics in North America
      Michael O. Woodburne, Gregg F. Gunnell, and Richard K. Stucky
      PNAS August 11, 2009 106 (32) 13399-13403; https://doi.org/10.1073/pnas.0906802106
    • You have access
      Pleistocene desiccation in East Africa bottlenecked but did not extirpate the adaptive radiation of Lake Victoria haplochromine cichlid fishes
      Kathryn R. Elmer, Chiara Reggio, Thierry Wirth, Erik Verheyen, Walter Salzburger, and Axel Meyer
      PNAS August 11, 2009 106 (32) 13404-13409; https://doi.org/10.1073/pnas.0902299106
    • Open Access
      Nine exceptional radiations plus high turnover explain species diversity in jawed vertebrates
      Michael E. Alfaro, Francesco Santini, Chad Brock, Hugo Alamillo, Alex Dornburg, Daniel L. Rabosky, Giorgio Carnevale, and Luke J. Harmon
      PNAS August 11, 2009 106 (32) 13410-13414; https://doi.org/10.1073/pnas.0811087106
    • You have access
      The evolutionary origins of beneficial alleles during the repeated adaptation of garter snakes to deadly prey
      Chris R. Feldman, Edmund D. Brodie Jr, Edmund D. Brodie III, and Michael E. Pfrender
      PNAS August 11, 2009 106 (32) 13415-13420; https://doi.org/10.1073/pnas.0901224106
    • You have access
      Darwinian selection for sites of Asn-linked glycosylation in phylogenetically disparate eukaryotes and viruses
      Jike Cui, Temple Smith, Phillips W. Robbins, and John Samuelson
      PNAS August 11, 2009 106 (32) 13421-13426; https://doi.org/10.1073/pnas.0905818106
  • Genetics

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      Drosophila O-GlcNAc transferase (OGT) is encoded by the Polycomb group (PcG) gene, super sex combs (sxc)
      Donald A. R. Sinclair, Monika Syrzycka, Matthew S. Macauley, Tara Rastgardani, Ivana Komljenovic, David J. Vocadlo, Hugh W. Brock, and Barry M. Honda
      PNAS August 11, 2009 106 (32) 13427-13432; https://doi.org/10.1073/pnas.0904638106
    • You have access
      Epigenetic changes during disease progression in a murine model of human chronic lymphocytic leukemia
      Shih-Shih Chen, Aparna Raval, Amy J. Johnson, Erin Hertlein, Te-Hui Liu, Victor X. Jin, Mara H. Sherman, Shu-Jun Liu, David W. Dawson, Katie E. Williams, Mark Lanasa, Sandya Liyanarachchi, Thomas S. Lin, Guido Marcucci, Yuri Pekarsky, Ramana Davuluri, Carlo M. Croce, Denis C. Guttridge, Michael A. Teitell, John C. Byrd, and Christoph Plass
      PNAS August 11, 2009 106 (32) 13433-13438; https://doi.org/10.1073/pnas.0906455106
  • Immunology

    • You have access
      Expression of GARP selectively identifies activated human FOXP3+ regulatory T cells
      Rui Wang, Lina Kozhaya, Frances Mercer, Alka Khaitan, Hodaka Fujii, and Derya Unutmaz
      PNAS August 11, 2009 106 (32) 13439-13444; https://doi.org/10.1073/pnas.0901965106
    • You have access
      GARP (LRRC32) is essential for the surface expression of latent TGF-β on platelets and activated FOXP3+ regulatory T cells
      Dat Q. Tran, John Andersson, Rui Wang, Heather Ramsey, Derya Unutmaz, and Ethan M. Shevach
      PNAS August 11, 2009 106 (32) 13445-13450; https://doi.org/10.1073/pnas.0901944106
    • You have access
      Circulating CD21low B cells in common variable immunodeficiency resemble tissue homing, innate-like B cells
      Mirzokhid Rakhmanov, Baerbel Keller, Sylvia Gutenberger, Christian Foerster, Manfred Hoenig, Gertjan Driessen, Mirjam van der Burg, Jacques J. van Dongen, Elisabeth Wiech, Marcella Visentini, Isabella Quinti, Antje Prasse, Nadine Voelxen, Ulrich Salzer, Sigune Goldacker, Paul Fisch, Hermann Eibel, Klaus Schwarz, Hans-Hartmut Peter, and Klaus Warnatz
      PNAS August 11, 2009 106 (32) 13451-13456; https://doi.org/10.1073/pnas.0901984106
    • Open Access
      A single-cell pedigree analysis of alternative stochastic lymphocyte fates
      E. D. Hawkins, J. F. Markham, L. P. McGuinness, and P. D. Hodgkin
      PNAS August 11, 2009 106 (32) 13457-13462; https://doi.org/10.1073/pnas.0905629106
    • You have access
      IL-1 family members and STAT activators induce cytokine production by Th2, Th17, and Th1 cells
      Liying Guo, Gang Wei, Jinfang Zhu, Wei Liao, Warren J. Leonard, Keji Zhao, and William Paul
      PNAS August 11, 2009 106 (32) 13463-13468; https://doi.org/10.1073/pnas.0906988106
  • Medical Sciences

    • You have access
      Experimental and clinical evidence of neuroprotection by nerve growth factor eye drops: Implications for glaucoma
      Alessandro Lambiase, Luigi Aloe, Marco Centofanti, Vincenzo Parisi, Flavio Mantelli, Valeria Colafrancesco, Gian Luca Manni, Massimo Gilberto Bucci, Stefano Bonini, and Rita Levi-Montalcini
      PNAS August 11, 2009 106 (32) 13469-13474; https://doi.org/10.1073/pnas.0906678106

      See companion article:

      • In This Issue
        - Aug 11, 2009
    • Open Access
      Fully functional bioengineered tooth replacement as an organ replacement therapy
      • From the Cover
      Etsuko Ikeda, Ritsuko Morita, Kazuhisa Nakao, Kentaro Ishida, Takashi Nakamura, Teruko Takano-Yamamoto, Miho Ogawa, Mitsumasa Mizuno, Shohei Kasugai, and Takashi Tsuji
      PNAS August 11, 2009 106 (32) 13475-13480; https://doi.org/10.1073/pnas.0902944106

      See companion article:

      • In This Issue
        - Aug 11, 2009
    • You have access
      Aryl hydrocarbon receptor suppresses intestinal carcinogenesis in ApcMin/+ mice with natural ligands
      Kaname Kawajiri, Yasuhito Kobayashi, Fumiaki Ohtake, Togo Ikuta, Yoshibumi Matsushima, Junsei Mimura, Sven Pettersson, Richard S. Pollenz, Toshiyuki Sakaki, Takatsugu Hirokawa, Tetsu Akiyama, Masafumi Kurosumi, Lorenz Poellinger, Shigeaki Kato, and Yoshiaki Fujii-Kuriyama
      PNAS August 11, 2009 106 (32) 13481-13486; https://doi.org/10.1073/pnas.0902132106
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      Potent neutralization of anthrax edema toxin by a humanized monoclonal antibody that competes with calmodulin for edema factor binding
      Zhaochun Chen, Mahtab Moayeri, Huaying Zhao, Devorah Crown, Stephen H. Leppla, and Robert H. Purcell
      PNAS August 11, 2009 106 (32) 13487-13492; https://doi.org/10.1073/pnas.0906581106
    • Open Access
      CT-X antigen expression in human breast cancer
      Anita Grigoriadis, Otavia L. Caballero, Keith S. Hoek, Leonard da Silva, Yao-Tseng Chen, Sandra J. Shin, Achim A. Jungbluth, Lance D. Miller, David Clouston, Jonathan Cebon, Lloyd J. Old, Sunil R. Lakhani, Andrew J. G. Simpson, and A. Munro Neville
      PNAS August 11, 2009 106 (32) 13493-13498; https://doi.org/10.1073/pnas.0906840106
    • Open Access
      A Burkholderia pseudomallei protein microarray reveals serodiagnostic and cross-reactive antigens
      Philip L. Felgner, Matthew A. Kayala, Adam Vigil, Chad Burk, Rie Nakajima-Sasaki, Jozelyn Pablo, Douglas M. Molina, Siddiqua Hirst, Janet S. W. Chew, Dongling Wang, Gladys Tan, Melanie Duffield, Ron Yang, Julien Neel, Narisara Chantratita, Greg Bancroft, Ganjana Lertmemongkolchai, D. Huw Davies, Pierre Baldi, Sharon Peacock, and Richard W. Titball
      PNAS August 11, 2009 106 (32) 13499-13504; https://doi.org/10.1073/pnas.0812080106
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      The molecular basis for impaired hypoxia-induced VEGF expression in diabetic tissues
      Hariharan Thangarajah, Dachun Yao, Edward I. Chang, Yubin Shi, Leila Jazayeri, Ivan N. Vial, Robert D. Galiano, Xue-Liang Du, Raymon Grogan, Michael G. Galvez, Michael Januszyk, Michael Brownlee, and Geoffrey C. Gurtner
      PNAS August 11, 2009 106 (32) 13505-13510; https://doi.org/10.1073/pnas.0906670106
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      Multiplexed imaging of surface enhanced Raman scattering nanotags in living mice using noninvasive Raman spectroscopy
      Cristina L. Zavaleta, Bryan R. Smith, Ian Walton, William Doering, Glenn Davis, Borzoyeh Shojaei, Michael J. Natan, and Sanjiv S. Gambhir
      PNAS August 11, 2009 106 (32) 13511-13516; https://doi.org/10.1073/pnas.0813327106
  • Microbiology

    • Open Access
      Translation and replication of hepatitis C virus genomic RNA depends on ancient cellular proteins that control mRNA fates
      Nicoletta Scheller, Leonardo Bruno Mina, Rui Pedro Galão, Ashwin Chari, Mireia Giménez-Barcons, Amine Noueiry, Utz Fischer, Andreas Meyerhans, and Juana Díez
      PNAS August 11, 2009 106 (32) 13517-13522; https://doi.org/10.1073/pnas.0906413106
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      Modulation of transcription antitermination in the bgl operon of Escherichia coli by the PTS
      Hadas Raveh, Livnat Lopian, Anat Nussbaum-Shochat, Andrew Wright, and Orna Amster-Choder
      PNAS August 11, 2009 106 (32) 13523-13528; https://doi.org/10.1073/pnas.0902559106
    • Open Access
      The kuru infectious agent is a unique geographic isolate distinct from Creutzfeldt–Jakob disease and scrapie agents
      Laura Manuelidis, Trisha Chakrabarty, Kohtaro Miyazawa, Nana-Aba Nduom, and Kaitlin Emmerling
      PNAS August 11, 2009 106 (32) 13529-13534; https://doi.org/10.1073/pnas.0905825106
    • Open Access
      High efficiency of HIV-1 genomic RNA packaging and heterozygote formation revealed by single virion analysis
      Jianbo Chen, Olga Nikolaitchik, Jatinder Singh, Andrew Wright, Craig E. Bencsics, John M. Coffin, Na Ni, Stephen Lockett, Vinay K. Pathak, and Wei-Shau Hu
      PNAS August 11, 2009 106 (32) 13535-13540; https://doi.org/10.1073/pnas.0906822106
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      Negative membrane curvature as a cue for subcellular localization of a bacterial protein
      Kumaran S. Ramamurthi and Richard Losick
      PNAS August 11, 2009 106 (32) 13541-13545; https://doi.org/10.1073/pnas.0906851106
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      Functional equivalence of HMGA- and histone H1-like domains in a bacterial transcriptional factor
      Francisco García-Heras, S. Padmanabhan, Francisco J. Murillo, and Montserrat Elías-Arnanz
      PNAS August 11, 2009 106 (32) 13546-13551; https://doi.org/10.1073/pnas.0902233106
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      Innovations in host and microbial sialic acid biosynthesis revealed by phylogenomic prediction of nonulosonic acid structure
      Amanda L. Lewis, Nolan Desa, Elizabeth E. Hansen, Yuriy A. Knirel, Jeffrey I. Gordon, Pascal Gagneux, Victor Nizet, and Ajit Varki
      PNAS August 11, 2009 106 (32) 13552-13557; https://doi.org/10.1073/pnas.0902431106
  • Neuroscience

    • Open Access
      Biophysical mechanisms of phase contrast in gradient echo MRI
      Xiang He and Dmitriy A. Yablonskiy
      PNAS August 11, 2009 106 (32) 13558-13563; https://doi.org/10.1073/pnas.0904899106
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      Postsynaptic Neuroligin1 regulates presynaptic maturation
      Nina Wittenmayer, Christoph Körber, Huisheng Liu, Thomas Kremer, Frederique Varoqueaux, Edwin R. Chapman, Nils Brose, Thomas Kuner, and Thomas Dresbach
      PNAS August 11, 2009 106 (32) 13564-13569; https://doi.org/10.1073/pnas.0905819106
    • Open Access
      Targeting neural precursors in the adult brain rescues injured dopamine neurons
      Andreas Androutsellis-Theotokis, Maria A. Rueger, Deric M. Park, Haik Mkhikian, Erica Korb, Steve W. Poser, Stuart Walbridge, Jeeva Munasinghe, Alan P. Koretsky, Russel R. Lonser, and Ronald D. McKay
      PNAS August 11, 2009 106 (32) 13570-13575; https://doi.org/10.1073/pnas.0905125106
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      Overexpression of SOD-2 reduces hippocampal superoxide and prevents memory deficits in a mouse model of Alzheimer's disease
      Cynthia A. Massaad, Taneasha M. Washington, Robia G. Pautler, and Eric Klann
      PNAS August 11, 2009 106 (32) 13576-13581; https://doi.org/10.1073/pnas.0902714106
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      Stomach ghrelin-secreting cells as food-entrainable circadian clocks
      Joseph LeSauter, Nawshin Hoque, Michael Weintraub, Donald W. Pfaff, and Rae Silver
      PNAS August 11, 2009 106 (32) 13582-13587; https://doi.org/10.1073/pnas.0906426106
    • Open Access
      Gamma and alpha motor neurons distinguished by expression of transcription factor Err3
      Andreas Friese, Julia A. Kaltschmidt, David R. Ladle, Markus Sigrist, Thomas M. Jessell, and Silvia Arber
      PNAS August 11, 2009 106 (32) 13588-13593; https://doi.org/10.1073/pnas.0906809106
    • Open Access
      Neural stem cells improve cognition via BDNF in a transgenic model of Alzheimer disease
      Mathew Blurton-Jones, Masashi Kitazawa, Hilda Martinez-Coria, Nicholas A. Castello, Franz-Josef Müller, Jeanne F. Loring, Tritia R. Yamasaki, Wayne W. Poon, Kim N. Green, and Frank M. LaFerla
      PNAS August 11, 2009 106 (32) 13594-13599; https://doi.org/10.1073/pnas.0901402106
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      Epistasis between the DAT 3′ UTR VNTR and the COMT Val158Met SNP on cortical function in healthy subjects and patients with schizophrenia
      Diana P. Prata, Andrea Mechelli, Cynthia H. Y. Fu, Marco Picchioni, Timothea Toulopoulou, Elvira Bramon, Muriel Walshe, Robin M. Murray, David A. Collier, and Philip McGuire
      PNAS August 11, 2009 106 (32) 13600-13605; https://doi.org/10.1073/pnas.0903007106
    • Open Access
      TRPA channels distinguish gravity sensing from hearing in Johnston's organ
      Yishan Sun, Lei Liu, Yehuda Ben-Shahar, Julie S. Jacobs, Daniel F. Eberl, and Michael J. Welsh
      PNAS August 11, 2009 106 (32) 13606-13611; https://doi.org/10.1073/pnas.0906377106
  • Plant Biology

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      A plant-specific calreticulin is a key retention factor for a defective brassinosteroid receptor in the endoplasmic reticulum
      • From the Cover
      Hua Jin, Zhi Hong, Wei Su, and Jianming Li
      PNAS August 11, 2009 106 (32) 13612-13617; https://doi.org/10.1073/pnas.0906144106

      See companion article:

      • Calreticulins are not all the same
        - Aug 05, 2009
    • You have access
      The N-end rule pathway controls multiple functions during Arabidopsis shoot and leaf development
      Emmanuelle Graciet, Franziska Walter, Diarmuid Ó Maoiléidigh, Stephan Pollmann, Elliot M. Meyerowitz, Alexander Varshavsky, and Frank Wellmer
      PNAS August 11, 2009 106 (32) 13618-13623; https://doi.org/10.1073/pnas.0906404106
    • You have access
      Bell-like homeodomain selectively regulates the high-irradiance response of phytochrome A
      Roberto J. Staneloni, María José Rodriguez-Batiller, Danilo Legisa, María R. Scarpin, Adamantia Agalou, Pablo D. Cerdán, Annemarie H. Meijer, Pieter B. F. Ouwerkerk, and Jorge J. Casal
      PNAS August 11, 2009 106 (32) 13624-13629; https://doi.org/10.1073/pnas.0906598106
  • Systems Biology

    • Open Access
      Brassinosteroid signaling and auxin transport are required to establish the periodic pattern of Arabidopsis shoot vascular bundles
      Marta Ibañes, Norma Fàbregas, Joanne Chory, and Ana I. Caño-Delgado
      PNAS August 11, 2009 106 (32) 13630-13635; https://doi.org/10.1073/pnas.0906416106

Retraction

  • You have access
    Retraction for Venters et al., A new mechanism of neurodegeneration: A proinflammatory cytokine inhibits receptor signaling by a survival peptide
    PNAS August 11, 2009 106 (32) 13636; https://doi.org/10.1073/pnas.0907385106

Corrections

  • You have access
    Correction for Zhang et al., Glucocorticoid regulation of preproglucagon transcription and RNA stability during stress
    PNAS August 11, 2009 106 (32) 13636; https://doi.org/10.1073/pnas.0907839106
  • You have access
    Correction for Eggermann and Feldmeyer, Cholinergic filtering in the recurrent excitatory microcircuit of cortical layer 4
    PNAS August 11, 2009 106 (32) 13636; https://doi.org/10.1073/pnas.0908052106
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