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Table of Contents

January 06, 2009; vol. 106 no. 1

This Week in PNAS

  • You have access
    In This Issue
    PNAS January 6, 2009 106 (1) 1-2; https://doi.org/10.1073/iti0109106

    See companion article:

    • Whole-genome association study identifies STK39 as a hypertension susceptibility gene
      - Dec 29, 2008
    • Efficient colonic mucosal wound repair requires Trem2 signaling
      - Dec 24, 2008
    • Glyconanoparticles allow pre-symptomatic in vivo imaging of brain disease
      - Dec 23, 2008
    • De novo generation of a transmissible spongiform encephalopathy by mouse transgenesis
      - Dec 10, 2008
    • Targeting Nrf2 with the triterpenoid CDDO- imidazolide attenuates cigarette smoke-induced emphysema and cardiac dysfunction in mice
      - Dec 22, 2008

Letters (Online Only)

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    Vitamin B deficiency causes neural cell loss and cognitive impairment in the developing rat
    Jean-Luc Daval, Sébastien Blaise, and Jean-Louis Guéant
    PNAS January 6, 2009 106 (1) E1; https://doi.org/10.1073/pnas.0809217106

    See companion article:

    • Reply to Daval et al.: How comparable are brain changes induced by dietary methyl-donor deficiency occurring before birth or after weaning?
      - Dec 23, 2008
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    Reply to Daval et al.: How comparable are brain changes induced by dietary methyl-donor deficiency occurring before birth or after weaning?
    Aron M. Troen and Irwin H. Rosenberg
    PNAS January 6, 2009 106 (1) E2; https://doi.org/10.1073/pnas.0811541106

    See companion article:

    • Vitamin B deficiency causes neural cell loss and cognitive impairment in the developing rat
      - Dec 23, 2008
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    Coastal eutrophication: Whether N and/or P should be abated depends on the dynamic mass balance
    Andreas C. Bryhn and Lars Håkanson
    PNAS January 6, 2009 106 (1) E3; https://doi.org/10.1073/pnas.0810905106

    See companion article:

    • Reply to Bryhn and Håkanson: Models for the Baltic agree with our experiments and observations in lakes
      - Dec 23, 2008
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    Reply to Bryhn and Håkanson: Models for the Baltic agree with our experiments and observations in lakes
    D. W. Schindler and R. E. Hecky
    PNAS January 6, 2009 106 (1) E4; https://doi.org/10.1073/pnas.0811576106

    See companion article:

    • Coastal eutrophication: Whether N and/or P should be abated depends on the dynamic mass balance
      - Dec 23, 2008
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    Serum-based microRNAs: Are we blinded by potential?
    David B. Jackson
    PNAS January 6, 2009 106 (1) E5; https://doi.org/10.1073/pnas.0809999106

Editorial

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    PNAS allows authors to keep copyright
    Randy Schekman
    PNAS January 6, 2009 106 (1) 3; https://doi.org/10.1073/pnas.0812539106

Commentaries

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    Teaching Cre to follow directions
    Gregory D. Van Duyne
    PNAS January 6, 2009 106 (1) 4-5; https://doi.org/10.1073/pnas.0811624106

    See companion article:

    • A chimeric Cre recombinase with regulated directionality
      - Nov 14, 2008
  • You have access
    Microbe hunting in the 21st century
    W. Ian Lipkin
    PNAS January 6, 2009 106 (1) 6-7; https://doi.org/10.1073/pnas.0811420106

    See companion article:

    • A highly prevalent and genetically diversified Picornaviridae genus in South Asian children
      - Nov 25, 2008
  • You have access
    Can neurosphere production help restore inner ear transduction?
    Maria Sol Collado and Jeffrey R. Holt
    PNAS January 6, 2009 106 (1) 8-9; https://doi.org/10.1073/pnas.0811804106

    See companion article:

    • Cells of adult brain germinal zone have properties akin to hair cells and can be used to replace inner ear sensory cells after damage
      - Dec 08, 2008
  • You have access
    Constraining the loop, releasing prion infectivity
    Claudio Soto
    PNAS January 6, 2009 106 (1) 10-11; https://doi.org/10.1073/pnas.0811625106

    See companion article:

    • De novo generation of a transmissible spongiform encephalopathy by mouse transgenesis
      - Dec 10, 2008

Physical Sciences

  • Applied Mathematics

    • You have access
      Force generation by a dynamic Z-ring in Escherichia coli cell division
      Jun F. Allard and Eric N. Cytrynbaum
      PNAS January 6, 2009 106 (1) 145-150; https://doi.org/10.1073/pnas.0808657106
  • Applied Physical Sciences

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      The key role of the surface membrane in why gastropod nacre grows in towers
      Antonio G. Checa, Julyan H. E. Cartwright, and Marc-Georg Willinger
      PNAS January 6, 2009 106 (1) 38-43; https://doi.org/10.1073/pnas.0808796106
    • You have access
      Identification of direct residue contacts in protein–protein interaction by message passing
      Martin Weigt, Robert A. White, Hendrik Szurmant, James A. Hoch, and Terence Hwa
      PNAS January 6, 2009 106 (1) 67-72; https://doi.org/10.1073/pnas.0805923106
  • Chemistry

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      Imaging the glycome
      • Inaugural Article
      Scott T. Laughlin and Carolyn R. Bertozzi
      PNAS January 6, 2009 106 (1) 12-17; https://doi.org/10.1073/pnas.0811481106

      See companion article:

      • Profile of Carolyn Bertozzi
        - Feb 16, 2010
    • Open Access
      Glyconanoparticles allow pre-symptomatic in vivo imaging of brain disease
      Sander I. van Kasteren, Sandra J. Campbell, Sébastien Serres, Daniel C. Anthony, Nicola R. Sibson, and Benjamin G. Davis
      PNAS January 6, 2009 106 (1) 18-23; https://doi.org/10.1073/pnas.0806787106

      See companion article:

      • In This Issue
        - Jan 06, 2009
    • You have access
      Folding energy landscape and network dynamics of small globular proteins
      Naoto Hori, George Chikenji, R. Stephen Berry, and Shoji Takada
      PNAS January 6, 2009 106 (1) 73-78; https://doi.org/10.1073/pnas.0811560106
  • Engineering

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      Directed self-organization of single DNA molecules in a nanoslit via embedded nanopit arrays
      • From the Cover
      Walter Reisner, Niels B. Larsen, Henrik Flyvbjerg, Jonas O. Tegenfeldt, and Anders Kristensen
      PNAS January 6, 2009 106 (1) 79-84; https://doi.org/10.1073/pnas.0811468106
  • Geology

    • Open Access
      Two-phase increase in the maximum size of life over 3.5 billion years reflects biological innovation and environmental opportunity
      Jonathan L. Payne, Alison G. Boyer, James H. Brown, Seth Finnegan, Michał Kowalewski, Richard A. Krause Jr., S. Kathleen Lyons, Craig R. McClain, Daniel W. McShea, Philip M. Novack-Gottshall, Felisa A. Smith, Jennifer A. Stempien, and Steve C. Wang
      PNAS January 6, 2009 106 (1) 24-27; https://doi.org/10.1073/pnas.0806314106
    • Open Access
      On the fate of anthropogenic nitrogen
      William H. Schlesinger
      PNAS January 6, 2009 106 (1) 203-208; https://doi.org/10.1073/pnas.0810193105
  • Geophysics

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      Nonlinear threshold behavior during the loss of Arctic sea ice
      I. Eisenman and J. S. Wettlaufer
      PNAS January 6, 2009 106 (1) 28-32; https://doi.org/10.1073/pnas.0806887106

Social Sciences

  • Anthropology

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      Culture, population structure, and low genetic diversity in Pleistocene hominins
      L. S. Premo and Jean-Jacques Hublin
      PNAS January 6, 2009 106 (1) 33-37; https://doi.org/10.1073/pnas.0809194105
  • Psychology

    • Open Access
      An empirical explanation of aperture effects
      • From the Cover
      Kyongje Sung, William T. Wojtach, and Dale Purves
      PNAS January 6, 2009 106 (1) 298-303; https://doi.org/10.1073/pnas.0811702106

Biological Sciences

  • Anthropology

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      Culture, population structure, and low genetic diversity in Pleistocene hominins
      L. S. Premo and Jean-Jacques Hublin
      PNAS January 6, 2009 106 (1) 33-37; https://doi.org/10.1073/pnas.0809194105
  • Applied Biological Sciences

    • You have access
      The key role of the surface membrane in why gastropod nacre grows in towers
      Antonio G. Checa, Julyan H. E. Cartwright, and Marc-Georg Willinger
      PNAS January 6, 2009 106 (1) 38-43; https://doi.org/10.1073/pnas.0808796106
    • You have access
      Combined targeting of lentiviral vectors and positioning of transduced cells by magnetic nanoparticles
      Andreas Hofmann, Daniela Wenzel, Ulrich M. Becher, Daniel F. Freitag, Alexandra M. Klein, Dietmar Eberbeck, Maike Schulte, Katrin Zimmermann, Christian Bergemann, Bernhard Gleich, Wilhelm Roell, Thomas Weyh, Lutz Trahms, Georg Nickenig, Bernd K. Fleischmann, and Alexander Pfeifer
      PNAS January 6, 2009 106 (1) 44-49; https://doi.org/10.1073/pnas.0803746106
  • Biochemistry

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      Slow peptide bond formation by proline and other N-alkylamino acids in translation
      Michael Y. Pavlov, Richard E. Watts, Zhongping Tan, Virginia W. Cornish, Måns Ehrenberg, and Anthony C. Forster
      PNAS January 6, 2009 106 (1) 50-54; https://doi.org/10.1073/pnas.0809211106
    • You have access
      Wnt signaling targets ETO coactivation domain of TAF4/TFIID in vivo
      Kevin J. Wright and Robert Tjian
      PNAS January 6, 2009 106 (1) 55-60; https://doi.org/10.1073/pnas.0811914106

      See companion article:

      • TAF4 takes flight
        - Jan 27, 2009
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      PKCη regulates occludin phosphorylation and epithelial tight junction integrity
      Takuya Suzuki, Bertha C. Elias, Ankur Seth, Le Shen, Jerrold R. Turner, Francesco Giorgianni, Dominic Desiderio, Ramareddy Guntaka, and Radhakrishna Rao
      PNAS January 6, 2009 106 (1) 61-66; https://doi.org/10.1073/pnas.0802741106
  • Biophysics

    • You have access
      Identification of direct residue contacts in protein–protein interaction by message passing
      Martin Weigt, Robert A. White, Hendrik Szurmant, James A. Hoch, and Terence Hwa
      PNAS January 6, 2009 106 (1) 67-72; https://doi.org/10.1073/pnas.0805923106
    • You have access
      Folding energy landscape and network dynamics of small globular proteins
      Naoto Hori, George Chikenji, R. Stephen Berry, and Shoji Takada
      PNAS January 6, 2009 106 (1) 73-78; https://doi.org/10.1073/pnas.0811560106
    • You have access
      Directed self-organization of single DNA molecules in a nanoslit via embedded nanopit arrays
      • From the Cover
      Walter Reisner, Niels B. Larsen, Henrik Flyvbjerg, Jonas O. Tegenfeldt, and Anders Kristensen
      PNAS January 6, 2009 106 (1) 79-84; https://doi.org/10.1073/pnas.0811468106
    • You have access
      Transmission of allostery through the lectin domain in selectin-mediated cell adhesion
      Travis T. Waldron and Timothy A. Springer
      PNAS January 6, 2009 106 (1) 85-90; https://doi.org/10.1073/pnas.0810620105
    • You have access
      Structural basis for selectin mechanochemistry
      Timothy A. Springer
      PNAS January 6, 2009 106 (1) 91-96; https://doi.org/10.1073/pnas.0810784105
    • You have access
      Accurate SHAPE-directed RNA structure determination
      Katherine E. Deigan, Tian W. Li, David H. Mathews, and Kevin M. Weeks
      PNAS January 6, 2009 106 (1) 97-102; https://doi.org/10.1073/pnas.0806929106
    • You have access
      Dynamics of one-state downhill protein folding
      Peng Li, Fabiana Y. Oliva, Athi N. Naganathan, and Victor Muñoz
      PNAS January 6, 2009 106 (1) 103-108; https://doi.org/10.1073/pnas.0802986106
    • You have access
      Resolving cadherin interactions and binding cooperativity at the single-molecule level
      Yunxiang Zhang, Sanjeevi Sivasankar, W. James Nelson, and Steven Chu
      PNAS January 6, 2009 106 (1) 109-114; https://doi.org/10.1073/pnas.0811350106
    • You have access
      Unliganded gating of acetylcholine receptor channels
      Prasad Purohit and Anthony Auerbach
      PNAS January 6, 2009 106 (1) 115-120; https://doi.org/10.1073/pnas.0809272106
    • You have access
      Condensation of FtsZ filaments can drive bacterial cell division
      Ganhui Lan, Brian R. Daniels, Terrence M. Dobrowsky, Denis Wirtz, and Sean X. Sun
      PNAS January 6, 2009 106 (1) 121-126; https://doi.org/10.1073/pnas.0807963106
    • Open Access
      Mapping RNA exit channel on transcribing RNA polymerase II by FRET analysis
      Chin-Yu Chen, Chia-Chi Chang, Chi-Fu Yen, Michael T.-K. Chiu, and Wei-Hau Chang
      PNAS January 6, 2009 106 (1) 127-132; https://doi.org/10.1073/pnas.0811689106
    • You have access
      Filament rigidity causes F-actin depletion from nonbinding surfaces
      Charles I. Fisher and Scot C. Kuo
      PNAS January 6, 2009 106 (1) 133-138; https://doi.org/10.1073/pnas.0804991106
    • Open Access
      A conserved protonation-dependent switch controls drug binding in the Abl kinase
      Yibing Shan, Markus A. Seeliger, Michael P. Eastwood, Filipp Frank, Huafeng Xu, Morten Ø Jensen, Ron O. Dror, John Kuriyan, and David E. Shaw
      PNAS January 6, 2009 106 (1) 139-144; https://doi.org/10.1073/pnas.0811223106
  • Cell Biology

    • You have access
      Imaging the glycome
      • Inaugural Article
      Scott T. Laughlin and Carolyn R. Bertozzi
      PNAS January 6, 2009 106 (1) 12-17; https://doi.org/10.1073/pnas.0811481106

      See companion article:

      • Profile of Carolyn Bertozzi
        - Feb 16, 2010
    • You have access
      Force generation by a dynamic Z-ring in Escherichia coli cell division
      Jun F. Allard and Eric N. Cytrynbaum
      PNAS January 6, 2009 106 (1) 145-150; https://doi.org/10.1073/pnas.0808657106
    • You have access
      Disruption of the SRC-1 gene in mice suppresses breast cancer metastasis without affecting primary tumor formation
      Shu Wang, Yuhui Yuan, Lan Liao, Shao-Qing Kuang, Jean Ching-Yi Tien, Bert W. O'Malley, and Jianming Xu
      PNAS January 6, 2009 106 (1) 151-156; https://doi.org/10.1073/pnas.0808703105
    • You have access
      Reprogramming of murine and human somatic cells using a single polycistronic vector
      Bryce W. Carey, Styliani Markoulaki, Jacob Hanna, Kris Saha, Qing Gao, Maisam Mitalipova, and Rudolf Jaenisch
      PNAS January 6, 2009 106 (1) 157-162; https://doi.org/10.1073/pnas.0811426106
    • You have access
      A role for the host coatomer and KDEL receptor in early vaccinia biogenesis
      Leiliang Zhang, Stella Y. Lee, Galina V. Beznoussenko, Peter J. Peters, Jia-Shu Yang, Hui-ya Gilbert, Abraham L. Brass, Stephen J. Elledge, Stuart N. Isaacs, Bernard Moss, Alexander Mironov, and Victor W. Hsu
      PNAS January 6, 2009 106 (1) 163-168; https://doi.org/10.1073/pnas.0811631106
    • You have access
      Continuous elimination of oxidized nucleotides is necessary to prevent rapid onset of cellular senescence
      Priyamvada Rai, Tamer T. Onder, Jennifer J. Young, Jose L. McFaline, Bo Pang, Peter C. Dedon, and Robert A. Weinberg
      PNAS January 6, 2009 106 (1) 169-174; https://doi.org/10.1073/pnas.0809834106
  • Developmental Biology

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      Two-step oligoclonal development of male germ cells
      Hiroo Ueno, Brit B. Turnbull, and Irving L. Weissman
      PNAS January 6, 2009 106 (1) 175-180; https://doi.org/10.1073/pnas.0810325105
    • You have access
      Essential functions of the Williams-Beuren syndrome-associated TFII-I genes in embryonic development
      Badam Enkhmandakh, Aleksandr V. Makeyev, Lkhamsuren Erdenechimeg, Frank H. Ruddle, Nyam-Osor Chimge, Maria Isabel Tussie-Luna, Ananda L. Roy, and Dashzeveg Bayarsaihan
      PNAS January 6, 2009 106 (1) 181-186; https://doi.org/10.1073/pnas.0811531106
  • Ecology

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      Simple prediction of interaction strengths in complex food webs
      Eric L. Berlow, Jennifer A. Dunne, Neo D. Martinez, Philip B. Stark, Richard J. Williams, and Ulrich Brose
      PNAS January 6, 2009 106 (1) 187-191; https://doi.org/10.1073/pnas.0806823106
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      Great ranging associated with greater reproductive investment in mammals
      Herman Pontzer and Jason M. Kamilar
      PNAS January 6, 2009 106 (1) 192-196; https://doi.org/10.1073/pnas.0806105106
    • Open Access
      Trophic cascades promote threshold-like shifts in pelagic marine ecosystems
      Michele Casini, Joakim Hjelm, Juan-Carlos Molinero, Johan Lövgren, Massimiliano Cardinale, Valerio Bartolino, Andrea Belgrano, and Georgs Kornilovs
      PNAS January 6, 2009 106 (1) 197-202; https://doi.org/10.1073/pnas.0806649105
  • Environmental Sciences

    • Open Access
      On the fate of anthropogenic nitrogen
      William H. Schlesinger
      PNAS January 6, 2009 106 (1) 203-208; https://doi.org/10.1073/pnas.0810193105
  • Evolution

    • Open Access
      Two-phase increase in the maximum size of life over 3.5 billion years reflects biological innovation and environmental opportunity
      Jonathan L. Payne, Alison G. Boyer, James H. Brown, Seth Finnegan, Michał Kowalewski, Richard A. Krause Jr., S. Kathleen Lyons, Craig R. McClain, Daniel W. McShea, Philip M. Novack-Gottshall, Felisa A. Smith, Jennifer A. Stempien, and Steve C. Wang
      PNAS January 6, 2009 106 (1) 24-27; https://doi.org/10.1073/pnas.0806314106
    • You have access
      Population genetics of Trypanosoma brucei gambiense, the agent of sleeping sickness in Western Africa
      Mathurin Koffi, Thierry De Meeûs, Bruno Bucheton, Philippe Solano, Mamadou Camara, Dramane Kaba, Gérard Cuny, Francisco J. Ayala, and Vincent Jamonneau
      PNAS January 6, 2009 106 (1) 209-214; https://doi.org/10.1073/pnas.0811080106
    • You have access
      Genome rhetoric and the emergence of compositional bias
      Kalin Vetsigian and Nigel Goldenfeld
      PNAS January 6, 2009 106 (1) 215-220; https://doi.org/10.1073/pnas.0810122106
    • You have access
      Contrasted patterns of hyperdiversification in Mediterranean hotspots
      Hervé Sauquet, Peter H. Weston, Cajsa Lisa Anderson, Nigel P. Barker, David J. Cantrill, Austin R. Mast, and Vincent Savolainen
      PNAS January 6, 2009 106 (1) 221-225; https://doi.org/10.1073/pnas.0805607106
  • Genetics

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      Whole-genome association study identifies STK39 as a hypertension susceptibility gene
      • From the Cover
      Ying Wang, Jeffrey R. O'Connell, Patrick F. McArdle, James B. Wade, Sarah E. Dorff, Sanjiv J. Shah, Xiaolian Shi, Lin Pan, Evadnie Rampersaud, Haiqing Shen, James D. Kim, Arohan R. Subramanya, Nanette I. Steinle, Afshin Parsa, Carole C. Ober, Paul A. Welling, Aravinda Chakravarti, Alan B. Weder, Richard S. Cooper, Braxton D. Mitchell, Alan R. Shuldiner, and Yen-Pei C. Chang
      PNAS January 6, 2009 106 (1) 226-231; https://doi.org/10.1073/pnas.0808358106

      See companion article:

      • In This Issue
        - Jan 06, 2009
    • You have access
      Sic1-induced DNA rereplication during meiosis
      Kara E. Sawarynski, Nicole A. Najor, Andrea C. Kepsel, and George S. Brush
      PNAS January 6, 2009 106 (1) 232-237; https://doi.org/10.1073/pnas.0809731105
    • Open Access
      A regulatory interplay between miR-27a and Runx1 during megakaryopoiesis
      Oren Ben-Ami, Niv Pencovich, Joseph Lotem, Ditsa Levanon, and Yoram Groner
      PNAS January 6, 2009 106 (1) 238-243; https://doi.org/10.1073/pnas.0811466106
    • Open Access
      ChIP-on-chip significance analysis reveals large-scale binding and regulation by human transcription factor oncogenes
      Adam A. Margolin, Teresa Palomero, Pavel Sumazin, Andrea Califano, Adolfo A. Ferrando, and Gustavo Stolovitzky
      PNAS January 6, 2009 106 (1) 244-249; https://doi.org/10.1073/pnas.0806445106
  • Medical Sciences

    • You have access
      Targeting Nrf2 with the triterpenoid CDDO- imidazolide attenuates cigarette smoke-induced emphysema and cardiac dysfunction in mice
      • From the Cover
      Thomas E. Sussan, Tirumalai Rangasamy, David J. Blake, Deepti Malhotra, Hazim El-Haddad, Djahida Bedja, Melinda S. Yates, Ponvijay Kombairaju, Masayuki Yamamoto, Karen T. Liby, Michael B. Sporn, Kathleen L. Gabrielson, Hunter C. Champion, Rubin M. Tuder, Thomas W. Kensler, and Shyam Biswal
      PNAS January 6, 2009 106 (1) 250-255; https://doi.org/10.1073/pnas.0804333106

      See companion article:

      • In This Issue
        - Jan 06, 2009
    • You have access
      Efficient colonic mucosal wound repair requires Trem2 signaling
      Hiroshi Seno, Hiroyuki Miyoshi, Sarah L. Brown, Michael J. Geske, Marco Colonna, and Thaddeus S. Stappenbeck
      PNAS January 6, 2009 106 (1) 256-261; https://doi.org/10.1073/pnas.0803343106

      See companion article:

      • In This Issue
        - Jan 06, 2009
    • You have access
      Scaffold-based discovery of indeglitazar, a PPAR pan-active anti-diabetic agent
      Dean R. Artis, Jack J. Lin, Chao Zhang, Weiru Wang, Upasana Mehra, Mylene Perreault, David Erbe, Heike I. Krupka, Bruce P. England, James Arnold, Alexander N. Plotnikov, Adhirai Marimuthu, Hoa Nguyen, Sarah Will, Maxime Signaevsky, John Kral, John Cantwell, Calvin Settachatgull, Douglas S. Yan, Daniel Fong, Angela Oh, Shenghua Shi, Patrick Womack, Benjamin Powell, Gaston Habets, Brian L. West, Kam Y. J. Zhang, Michael V. Milburn, George P. Vlasuk, K. Peter Hirth, Keith Nolop, Gideon Bollag, Prabha N. Ibrahim, and James F. Tobin
      PNAS January 6, 2009 106 (1) 262-267; https://doi.org/10.1073/pnas.0811325106
    • You have access
      The role of PTEN/Akt/PI3K signaling in the maintenance and viability of prostate cancer stem-like cell populations
      Anna Dubrovska, Sungeun Kim, Richard J. Salamone, John R. Walker, Sauveur-Michel Maira, Carlos García-Echeverría, Peter G. Schultz, and Venkateshwar A. Reddy
      PNAS January 6, 2009 106 (1) 268-273; https://doi.org/10.1073/pnas.0810956106
    • You have access
      Activated protein C ligation of ApoER2 (LRP8) causes Dab1-dependent signaling in U937 cells
      Xia V. Yang, Yajnavalka Banerjee, José A. Fernández, Hiroshi Deguchi, Xiao Xu, Laurent O. Mosnier, Rolf. T. Urbanus, Phillip G. de Groot, Tara C. White-Adams, Owen J. T. McCarty, and John H. Griffin
      PNAS January 6, 2009 106 (1) 274-279; https://doi.org/10.1073/pnas.0807594106
  • Microbiology

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      Structurally diverse natural products that cause potassium leakage trigger multicellularity in Bacillus subtilis
      Daniel López, Michael A. Fischbach, Frances Chu, Richard Losick, and Roberto Kolter
      PNAS January 6, 2009 106 (1) 280-285; https://doi.org/10.1073/pnas.0810940106
    • You have access
      Changes in H5N1 influenza virus hemagglutinin receptor binding domain affect systemic spread
      Hui-Ling Yen, Jerry R. Aldridge, Adrianus C. M. Boon, Natalia A. Ilyushina, Rachelle Salomon, Diane J. Hulse-Post, Henju Marjuki, John Franks, David A. Boltz, Dorothy Bush, Aleksandr S. Lipatov, Richard J. Webby, Jerold E. Rehg, and Robert G. Webster
      PNAS January 6, 2009 106 (1) 286-291; https://doi.org/10.1073/pnas.0811052106
    • You have access
      Transformation and isolation of allelic exchange mutants of Chlamydia psittaci using recombinant DNA introduced by electroporation
      Rachel Binet and Anthony T. Maurelli
      PNAS January 6, 2009 106 (1) 292-297; https://doi.org/10.1073/pnas.0806768106
  • Neuroscience

    • Open Access
      An empirical explanation of aperture effects
      • From the Cover
      Kyongje Sung, William T. Wojtach, and Dale Purves
      PNAS January 6, 2009 106 (1) 298-303; https://doi.org/10.1073/pnas.0811702106
    • You have access
      De novo generation of a transmissible spongiform encephalopathy by mouse transgenesis
      Christina J. Sigurdson, K. Peter R. Nilsson, Simone Hornemann, Mathias Heikenwalder, Giuseppe Manco, Petra Schwarz, David Ott, Thomas Rülicke, Pawel P. Liberski, Christian Julius, Jeppe Falsig, Lothar Stitz, Kurt Wüthrich, and Adriano Aguzzi
      PNAS January 6, 2009 106 (1) 304-309; https://doi.org/10.1073/pnas.0810680105

      See companion article:

      • Constraining the loop, releasing prion infectivity
        - Dec 31, 2008
      • In This Issue
        - Jan 06, 2009
    • Open Access
      The Drosophila cell adhesion molecule Klingon is required for long-term memory formation and is regulated by Notch
      Motomi Matsuno, Junjiro Horiuchi, Tim Tully, and Minoru Saitoe
      PNAS January 6, 2009 106 (1) 310-315; https://doi.org/10.1073/pnas.0807665106
    • You have access
      Synaptic activity-responsive element in the Arc/Arg3.1 promoter essential for synapse-to-nucleus signaling in activated neurons
      Takashi Kawashima, Hiroyuki Okuno, Mio Nonaka, Aki Adachi-Morishima, Nan Kyo, Michiko Okamura, Sayaka Takemoto-Kimura, Paul F. Worley, and Haruhiko Bito
      PNAS January 6, 2009 106 (1) 316-321; https://doi.org/10.1073/pnas.0806518106
    • You have access
      Localizing interference during naming: Convergent neuroimaging and neuropsychological evidence for the function of Broca's area
      Tatiana T. Schnur, Myrna F. Schwartz, Daniel Y. Kimberg, Elizabeth Hirshorn, H. Branch Coslett, and Sharon L. Thompson-Schill
      PNAS January 6, 2009 106 (1) 322-327; https://doi.org/10.1073/pnas.0805874106
    • Open Access
      Dividing glial cells maintain differentiated properties including complex morphology and functional synapses
      Woo-Ping Ge, Wei Zhou, Qingming Luo, Lily Yeh Jan, and Yuh Nung Jan
      PNAS January 6, 2009 106 (1) 328-333; https://doi.org/10.1073/pnas.0811353106
  • Physiology

    • Open Access
      Glyconanoparticles allow pre-symptomatic in vivo imaging of brain disease
      Sander I. van Kasteren, Sandra J. Campbell, Sébastien Serres, Daniel C. Anthony, Nicola R. Sibson, and Benjamin G. Davis
      PNAS January 6, 2009 106 (1) 18-23; https://doi.org/10.1073/pnas.0806787106

      See companion article:

      • In This Issue
        - Jan 06, 2009
  • Plant Biology

    • You have access
      Incremental steps toward incompatibility revealed by Arabidopsis epistatic interactions modulating salicylic acid pathway activation
      Rubén Alcázar, Ana V. García, Jane E. Parker, and Matthieu Reymond
      PNAS January 6, 2009 106 (1) 334-339; https://doi.org/10.1073/pnas.0811734106
  • Psychology

    • You have access
      The absence of reward induces inequity aversion in dogs
      • From the Cover
      Friederike Range, Lisa Horn, Zsófia Viranyi, and Ludwig Huber
      PNAS January 6, 2009 106 (1) 340-345; https://doi.org/10.1073/pnas.0810957105

Correction

  • You have access
    Correction for Shahrezaei and Swain et al., Analytical distributions for stochastic gene expression
    PNAS January 6, 2009 106 (1) 346; https://doi.org/10.1073/pnas.0811545106
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Proceedings of the National Academy of Sciences: 106 (1)
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