Table of Contents

Biological Sciences

• Anthropology

  • Open Access

    Long and spatially variable Neolithic Demographic Transition in the North American Southwest

    Timothy A. Kohler and Kelsey M. Reese

    PNAS July 15, 2014 111 (28) 10101-10106; first published June 30, 2014. https://doi.org/10.1073/pnas.1404367111
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    Early guenon from the late Miocene Baynunah Formation, Abu Dhabi, with implications for cercopithecoid biogeography and evolution

    Christopher C. Gilbert, Faysal Bibi, Andrew Hill, and Mark J. Beech

    PNAS July 15, 2014 111 (28) 10119-10124; first published June 30, 2014. https://doi.org/10.1073/pnas.1323888111

• Applied Biological Sciences

  • Open Access

    Three-dimensionally printed biological machines powered by skeletal muscle

    Caroline Cvetkovic, Ritu Raman, Vincent Chan, Brian J. Williams, Madeline Tolish, Piyush Bajaj, Mahmut Selman Sakar, H. Harry Asada, M. Taher A. Saif, and Rashid Bashir

    PNAS July 15, 2014 111 (28) 10125-10130; first published June 30, 2014. https://doi.org/10.1073/pnas.1401577111
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    Engineered red blood cells as carriers for systemic delivery of a wide array of functional probes

    • From the Cover

    Jiahai Shi, Lenka Kundrat, Novalia Pishesha, Angelina Bilate, Chris Theile, Takeshi Maruyama, Stephanie K. Dougan, Hidde L. Ploegh, and Harvey F. Lodish

    PNAS July 15, 2014 111 (28) 10131-10136; first published June 30, 2014. https://doi.org/10.1073/pnas.1409861111
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    Human endothelial colony-forming cells serve as trophic mediators for mesenchymal stem cell engraftment via paracrine signaling

    Ruei-Zeng Lin, Rafael Moreno-Luna, Dan Li, Shou-Ching Jaminet, Arin K. Greene, and Juan M. Melero-Martin

    PNAS July 15, 2014 111 (28) 10137-10142; first published June 30, 2014. https://doi.org/10.1073/pnas.1405388111
  • Open Access

    Metagenomic scaffolds enable combinatorial lignin transformation

    Cameron R. Strachan, Rahul Singh, David VanInsberghe, Kateryna Ievdokymenko, Karen Budwill, William W. Mohn, Lindsay D. Eltis, and Steven J. Hallam

    PNAS July 15, 2014 111 (28) 10143-10148; first published June 30, 2014. https://doi.org/10.1073/pnas.1401631111
  • Open Access

    Using species distribution models to optimize vector control in the framework of the tsetse eradication campaign in Senegal

    Ahmadou H. Dicko, Renaud Lancelot, Momar T. Seck, Laure Guerrini, Baba Sall, Mbargou Lo, Marc J. B. Vreysen, Thierry Lefrançois, William M. Fonta, Steven L. Peck, and Jérémy Bouyer

    PNAS July 15, 2014 111 (28) 10149-10154; first published June 30, 2014. https://doi.org/10.1073/pnas.1407773111

• Biochemistry

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    Structural basis for the recruitment of glycogen synthase by glycogenin

    Elton Zeqiraj, Xiaojing Tang, Roger W. Hunter, Mar García-Rocha, Andrew Judd, Maria Deak, Alexander von Wilamowitz-Moellendorff, Igor Kurinov, Joan J. Guinovart, Mike Tyers, Kei Sakamoto, and Frank Sicheri

    PNAS July 15, 2014 111 (28) E2831-E2840; first published June 30, 2014. https://doi.org/10.1073/pnas.1402926111
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    C-terminal propeptide is required for fibrillin-1 secretion and blocks premature assembly through linkage to domains cbEGF41-43

    Sacha A. Jensen, Georgia Aspinall, and Penny A. Handford

    PNAS July 15, 2014 111 (28) 10155-10160; first published June 30, 2014. https://doi.org/10.1073/pnas.1401697111
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    Structures of benzylsuccinate synthase elucidate roles of accessory subunits in glycyl radical enzyme activation and activity

    Michael A. Funk, Evan T. Judd, E. Neil G. Marsh, Sean J. Elliott, and Catherine L. Drennan

    PNAS July 15, 2014 111 (28) 10161-10166; first published June 30, 2014. https://doi.org/10.1073/pnas.1405983111
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    Engineering adenylate cyclases regulated by near-infrared window light

    Min-Hyung Ryu, In-Hye Kang, Mathew D. Nelson, Tricia M. Jensen, Anna I. Lyuksyutova, Jessica Siltberg-Liberles, David M. Raizen, and Mark Gomelsky

    PNAS July 15, 2014 111 (28) 10167-10172; first published June 30, 2014. https://doi.org/10.1073/pnas.1324301111
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    Inactivity of human β,β-carotene-9′,10′-dioxygenase (BCO2) underlies retinal accumulation of the human macular carotenoid pigment

    Binxing Li, Preejith P. Vachali, Aruna Gorusupudi, Zhengqing Shen, Hassan Sharifzadeh, Brian M. Besch, Kelly Nelson, Madeleine M. Horvath, Jeanne M. Frederick, Wolfgang Baehr, and Paul S. Bernstein

    PNAS July 15, 2014 111 (28) 10173-10178; first published June 30, 2014. https://doi.org/10.1073/pnas.1402526111
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    Crystal structure of the photosensing module from a red/far-red light-absorbing plant phytochrome

    E. Sethe Burgie, Adam N. Bussell, Joseph M. Walker, Katarzyna Dubiel, and Richard D. Vierstra

    PNAS July 15, 2014 111 (28) 10179-10184; first published June 30, 2014. https://doi.org/10.1073/pnas.1403096111

• Biophysics and Computational Biology

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    Biological charge transfer via flickering resonance

    Yuqi Zhang, Chaoren Liu, Alexander Balaeff, Spiros S. Skourtis, and David N. Beratan

    PNAS July 15, 2014 111 (28) 10049-10054; first published June 25, 2014. https://doi.org/10.1073/pnas.1316519111
  • Open Access

    Stem cell differentiation as a many-body problem

    Bin Zhang and Peter G. Wolynes

    PNAS July 15, 2014 111 (28) 10185-10190; first published June 19, 2014. https://doi.org/10.1073/pnas.1408561111
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    Excited-state structural dynamics of a dual-emission calmodulin-green fluorescent protein sensor for calcium ion imaging

    Breland G. Oscar, Weimin Liu, Yongxin Zhao, Longteng Tang, Yanli Wang, Robert E. Campbell, and Chong Fang

    PNAS July 15, 2014 111 (28) 10191-10196; first published July 1, 2014. https://doi.org/10.1073/pnas.1403712111
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    Both protein dynamics and ligand concentration can shift the binding mechanism between conformational selection and induced fit

    Nicholas Greives and Huan-Xiang Zhou

    PNAS July 15, 2014 111 (28) 10197-10202; first published June 30, 2014. https://doi.org/10.1073/pnas.1407545111
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    Cyclophilin A catalyzes proline isomerization by an electrostatic handle mechanism

    Carlo Camilloni, Aleksandr B. Sahakyan, Michael J. Holliday, Nancy G. Isern, Fengli Zhang, Elan Z. Eisenmesser, and Michele Vendruscolo

    PNAS July 15, 2014 111 (28) 10203-10208; first published June 30, 2014. https://doi.org/10.1073/pnas.1404220111

• Cell Biology

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    Cep164 triggers ciliogenesis by recruiting Tau tubulin kinase 2 to the mother centriole

    Lukáš Čajánek and Erich A. Nigg

    PNAS July 15, 2014 111 (28) E2841-E2850; first published June 30, 2014. https://doi.org/10.1073/pnas.1401777111
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    Poly(ADP-ribose) polymerase-dependent energy depletion occurs through inhibition of glycolysis

    Shaida A. Andrabi, George K. E. Umanah, Calvin Chang, Daniel A. Stevens, Senthilkumar S. Karuppagounder, Jean-Philippe Gagné, Guy G. Poirier, Valina L. Dawson, and Ted M. Dawson

    PNAS July 15, 2014 111 (28) 10209-10214; first published July 1, 2014. https://doi.org/10.1073/pnas.1405158111

• Developmental Biology

  • Open Access

    Two miRNA clusters, miR-34b/c and miR-449, are essential for normal brain development, motile ciliogenesis, and spermatogenesis

    Jingwen Wu, Jianqiang Bao, Minkyung Kim, Shuiqiao Yuan, Chong Tang, Huili Zheng, Grant S. Mastick, Chen Xu, and Wei Yan

    PNAS July 15, 2014 111 (28) E2851-E2857; first published June 30, 2014. https://doi.org/10.1073/pnas.1407777111
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    Pygo2 regulates β-catenin–induced activation of hair follicle stem/progenitor cells and skin hyperplasia

    Peng Sun, Kazuhide Watanabe, Magid Fallahi, Briana Lee, Megan E. Afetian, Catherine Rheaume, Di Wu, Valerie Horsley, and Xing Dai

    PNAS July 15, 2014 111 (28) 10215-10220; first published June 30, 2014. https://doi.org/10.1073/pnas.1311395111

• Ecology

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    Effect of a Jurassic oceanic anoxic event on belemnite ecology and evolution

    Clemens Vinzenz Ullmann, Nicolas Thibault, Micha Ruhl, Stephen P. Hesselbo, and Christoph Korte

    PNAS July 15, 2014 111 (28) 10073-10076; first published June 30, 2014. https://doi.org/10.1073/pnas.1320156111
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    Anthropogenic changes in sodium affect neural and muscle development in butterflies

    • From the Cover

    Emilie C. Snell-Rood, Anne Espeset, Christopher J. Boser, William A. White, and Rhea Smykalski

    PNAS July 15, 2014 111 (28) 10221-10226; first published June 9, 2014. https://doi.org/10.1073/pnas.1323607111

    See companion article:

    • Salted roads and animal development

      - Jun 25, 2014
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    Local genomic adaptation of coral reef-associated microbiomes to gradients of natural variability and anthropogenic stressors

    Linda W. Kelly, Gareth J. Williams, Katie L. Barott, Craig A. Carlson, Elizabeth A. Dinsdale, Robert A. Edwards, Andreas F. Haas, Matthew Haynes, Yan Wei Lim, Tracey McDole, Craig E. Nelson, Enric Sala, Stuart A. Sandin, Jennifer E. Smith, Mark J. A. Vermeij, Merry Youle, and Forest Rohwer

    PNAS July 15, 2014 111 (28) 10227-10232; first published June 30, 2014. https://doi.org/10.1073/pnas.1403319111
  • Open Access

    Realized niche shift during a global biological invasion

    Reid Tingley, Marcelo Vallinoto, Fernando Sequeira, and Michael R. Kearney

    PNAS July 15, 2014 111 (28) 10233-10238; first published June 30, 2014. https://doi.org/10.1073/pnas.1405766111

• Environmental Sciences

  • Open Access

    Plastic debris in the open ocean

    • From the Cover

    Andrés Cózar, Fidel Echevarría, J. Ignacio González-Gordillo, Xabier Irigoien, Bárbara Úbeda, Santiago Hernández-León, Álvaro T. Palma, Sandra Navarro, Juan García-de-Lomas, Andrea Ruiz, María L. Fernández-de-Puelles, and Carlos M. Duarte

    PNAS July 15, 2014 111 (28) 10239-10244; first published June 30, 2014. https://doi.org/10.1073/pnas.1314705111

• Evolution

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    Evolutionary trends in Triceratops from the Hell Creek Formation, Montana

    John B. Scannella, Denver W. Fowler, Mark B. Goodwin, and John R. Horner

    PNAS July 15, 2014 111 (28) 10245-10250; first published June 30, 2014. https://doi.org/10.1073/pnas.1313334111
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    Evolution of the ribosome at atomic resolution

    Anton S. Petrov, Chad R. Bernier, Chiaolong Hsiao, Ashlyn M. Norris, Nicholas A. Kovacs, Chris C. Waterbury, Victor G. Stepanov, Stephen C. Harvey, George E. Fox, Roger M. Wartell, Nicholas V. Hud, and Loren Dean Williams

    PNAS July 15, 2014 111 (28) 10251-10256; first published June 30, 2014. https://doi.org/10.1073/pnas.1407205111
  • Open Access

    Evolutionary origin of insect–Wolbachia nutritional mutualism

    Naruo Nikoh, Takahiro Hosokawa, Minoru Moriyama, Kenshiro Oshima, Masahira Hattori, and Takema Fukatsu

    PNAS July 15, 2014 111 (28) 10257-10262; first published June 30, 2014. https://doi.org/10.1073/pnas.1409284111

• Genetics

  • Open Access

    The Tn7 transposition regulator TnsC interacts with the transposase subunit TnsB and target selector TnsD

    Ki Young Choi, Jeanelle M. Spencer, and Nancy L. Craig

    PNAS July 15, 2014 111 (28) E2858-E2865; first published June 30, 2014. https://doi.org/10.1073/pnas.1409869111
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    HelitronScanner uncovers a large overlooked cache of Helitron transposons in many plant genomes

    Wenwei Xiong, Limei He, Jinsheng Lai, Hugo K. Dooner, and Chunguang Du

    PNAS July 15, 2014 111 (28) 10263-10268; first published June 30, 2014. https://doi.org/10.1073/pnas.1410068111
  • Open Access

    Developmental propagation of V(D)J recombination-associated DNA breaks and translocations in mature B cells via dicentric chromosomes

    Jiazhi Hu, Suprawee Tepsuporn, Robin M. Meyers, Monica Gostissa, and Frederick W. Alt

    PNAS July 15, 2014 111 (28) 10269-10274; first published June 30, 2014. https://doi.org/10.1073/pnas.1410112111

• Immunology and Inflammation

  • Open Access

    Affinity maturation in an HIV broadly neutralizing B-cell lineage through reorientation of variable domains

    Daniela Fera, Aaron G. Schmidt, Barton F. Haynes, Feng Gao, Hua-Xin Liao, Thomas B. Kepler, and Stephen C. Harrison

    PNAS July 15, 2014 111 (28) 10275-10280; first published June 30, 2014. https://doi.org/10.1073/pnas.1409954111
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    IL-33/ST2 axis promotes mast cell survival via BCLXL

    Jun-Xia Wang, Shinjiro Kaieda, Sarah Ameri, Nadia Fishgal, Daniel Dwyer, Anthony Dellinger, Christopher L. Kepley, Michael F. Gurish, and Peter A. Nigrovic

    PNAS July 15, 2014 111 (28) 10281-10286; first published June 30, 2014. https://doi.org/10.1073/pnas.1404182111

• Medical Sciences

  • Open Access

    Positron emission tomography probe demonstrates a striking concentration of ribose salvage in the liver

    Peter M. Clark, Graciela Flores, Nikolai M. Evdokimov, Melissa N. McCracken, Timothy Chai, Evan Nair-Gill, Fiona O’Mahony, Simon W. Beaven, Kym F. Faull, Michael E. Phelps, Michael E. Jung, and Owen N. Witte

    PNAS July 15, 2014 111 (28) E2866-E2874; first published June 30, 2014. https://doi.org/10.1073/pnas.1410326111
  • Open Access

    Engineered nanomedicine for myeloma and bone microenvironment targeting

    Archana Swami, Michaela R. Reagan, Pamela Basto, Yuji Mishima, Nazila Kamaly, Siobhan Glavey, Sufeng Zhang, Michele Moschetta, Dushanth Seevaratnam, Yong Zhang, Jinhe Liu, Masoumeh Memarzadeh, Jun Wu, Salomon Manier, Jinjun Shi, Nicolas Bertrand, Zhi Ning Lu, Kenichi Nagano, Roland Baron, Antonio Sacco, Aldo M. Roccaro, Omid C. Farokhzad, and Irene M. Ghobrial

    PNAS July 15, 2014 111 (28) 10287-10292; first published June 30, 2014. https://doi.org/10.1073/pnas.1401337111
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    Intravenously administered nanoparticles increase survival following blast trauma

    Margaret M. Lashof-Sullivan, Erin Shoffstall, Kristyn T. Atkins, Nickolas Keane, Cynthia Bir, Pamela VandeVord, and Erin B. Lavik

    PNAS July 15, 2014 111 (28) 10293-10298; first published June 30, 2014. https://doi.org/10.1073/pnas.1406979111
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    Neurotrophin receptor TrkB promotes lung adenocarcinoma metastasis

    Kerstin W. Sinkevicius, Christina Kriegel, Kelly J. Bellaria, Jaewon Lee, Allison N. Lau, Kristen T. Leeman, Pengcheng Zhou, Alexander M. Beede, Christine M. Fillmore, Deborah Caswell, Juliana Barrios, Kwok-Kin Wong, Lynette M. Sholl, Thorsten M. Schlaeger, Roderick T. Bronson, Lucian R. Chirieac, Monte M. Winslow, Marcia C. Haigis, and Carla F. Kim

    PNAS July 15, 2014 111 (28) 10299-10304; first published June 30, 2014. https://doi.org/10.1073/pnas.1404399111
  • Open Access

    CTSH regulates β-cell function and disease progression in newly diagnosed type 1 diabetes patients

    Tina Fløyel, Caroline Brorsson, Lotte B. Nielsen, Michela Miani, Claus Heiner Bang-Berthelsen, Martin Friedrichsen, Anne Julie Overgaard, Lukas A. Berchtold, Anna Wiberg, Pernille Poulsen, Lars Hansen, Silke Rosinger, Bernhard O. Boehm, Ramesh Ram, Quang Nguyen, Munish Mehta, Grant Morahan, Patrick Concannon, Regine Bergholdt, Jens H. Nielsen, Thomas Reinheckel, Matthias von Herrath, Allan Vaag, Decio Laks Eizirik, Henrik B. Mortensen, Joachim Størling, and Flemming Pociot

    PNAS July 15, 2014 111 (28) 10305-10310; first published June 30, 2014. https://doi.org/10.1073/pnas.1402571111

• Microbiology

  • Open Access

    Oligotyping analysis of the human oral microbiome

    • From the Cover

    A. Murat Eren, Gary G. Borisy, Susan M. Huse, and Jessica L. Mark Welch

    PNAS July 15, 2014 111 (28) E2875-E2884; first published June 25, 2014. https://doi.org/10.1073/pnas.1409644111
  • Open Access

    Immunization with a functional protein complex required for erythrocyte invasion protects against lethal malaria

    Prakash Srinivasan, Emmanuel Ekanem, Ababacar Diouf, Michelle L. Tonkin, Kazutoyo Miura, Martin J. Boulanger, Carole A. Long, David L. Narum, and Louis H. Miller

    PNAS July 15, 2014 111 (28) 10311-10316; first published June 23, 2014. https://doi.org/10.1073/pnas.1409928111

• Neuroscience

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    Transcription factor induction of human oligodendrocyte progenitor fate and differentiation

    Jing Wang, Suyog U. Pol, Alexa K. Haberman, Chunming Wang, Melanie A. O’Bara, and Fraser J. Sim

    PNAS July 15, 2014 111 (28) E2885-E2894; first published June 30, 2014. https://doi.org/10.1073/pnas.1408295111
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    Activity-dependent dendritic spine neck changes are correlated with synaptic strength

    Roberto Araya, Tim P. Vogels, and Rafael Yuste

    PNAS July 15, 2014 111 (28) E2895-E2904; first published June 30, 2014. https://doi.org/10.1073/pnas.1321869111
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    Genetic analysis of the Complexin trans-clamping model for cross-linking SNARE complexes in vivo

    Richard W. Cho, Daniel Kümmel, Feng Li, Stephanie Wood Baguley, Jeff Coleman, James E. Rothman, and J. Troy Littleton

    PNAS July 15, 2014 111 (28) 10317-10322; first published June 30, 2014. https://doi.org/10.1073/pnas.1409311111
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    Serial propagation of distinct strains of Aβ prions from Alzheimer’s disease patients

    Joel C. Watts, Carlo Condello, Jan Stöhr, Abby Oehler, Joanne Lee, Stephen J. DeArmond, Lars Lannfelt, Martin Ingelsson, Kurt Giles, and Stanley B. Prusiner

    PNAS July 15, 2014 111 (28) 10323-10328; first published June 30, 2014. https://doi.org/10.1073/pnas.1408900111
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    Distinct synthetic Aβ prion strains producing different amyloid deposits in bigenic mice

    Jan Stöhr, Carlo Condello, Joel C. Watts, Lillian Bloch, Abby Oehler, Mimi Nick, Stephen J. DeArmond, Kurt Giles, William F. DeGrado, and Stanley B. Prusiner

    PNAS July 15, 2014 111 (28) 10329-10334; first published June 30, 2014. https://doi.org/10.1073/pnas.1408968111
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    Primary cilia enhance kisspeptin receptor signaling on gonadotropin-releasing hormone neurons

    Andrew I. Koemeter-Cox, Thomas W. Sherwood, Jill A. Green, Robert A. Steiner, Nicolas F. Berbari, Bradley K. Yoder, Alexander S. Kauffman, Paula C. Monsma, Anthony Brown, Candice C. Askwith, and Kirk Mykytyn

    PNAS July 15, 2014 111 (28) 10335-10340; first published June 30, 2014. https://doi.org/10.1073/pnas.1403286111
  • Open Access

    Time-resolved resting-state brain networks

    Andrew Zalesky, Alex Fornito, Luca Cocchi, Leonardo L. Gollo, and Michael Breakspear

    PNAS July 15, 2014 111 (28) 10341-10346; first published June 30, 2014. https://doi.org/10.1073/pnas.1400181111

• Physiology

  • Open Access

    Impaired functional communication between the L-type calcium channel and mitochondria contributes to metabolic inhibition in the mdx heart

    Helena M. Viola, Abbie M. Adams, Stefan M. K. Davies, Susan Fletcher, Aleksandra Filipovska, and Livia C. Hool

    PNAS July 15, 2014 111 (28) E2905-E2914; first published June 26, 2014. https://doi.org/10.1073/pnas.1402544111
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    Piezo1, a mechanically activated ion channel, is required for vascular development in mice

    Sanjeev S. Ranade, Zhaozhu Qiu, Seung-Hyun Woo, Sung Sik Hur, Swetha E. Murthy, Stuart M. Cahalan, Jie Xu, Jayanti Mathur, Michael Bandell, Bertrand Coste, Yi-Shuan J. Li, Shu Chien, and Ardem Patapoutian

    PNAS July 15, 2014 111 (28) 10347-10352; first published June 23, 2014. https://doi.org/10.1073/pnas.1409233111
  • Open Access

    Major mouse placental compartments revealed by diffusion-weighted MRI, contrast-enhanced MRI, and fluorescence imaging

    Eddy Solomon, Reut Avni, Ron Hadas, Tal Raz, Joel Richard Garbow, Peter Bendel, Lucio Frydman, and Michal Neeman

    PNAS July 15, 2014 111 (28) 10353-10358; first published June 26, 2014. https://doi.org/10.1073/pnas.1401695111

• Plant Biology

  • Open Access

    PHYTOCHROME C plays a major role in the acceleration of wheat flowering under long-day photoperiod

    • Inaugural Article

    Andrew Chen, Chengxia Li, Wei Hu, Mei Yee Lau, Huiqiong Lin, Nathan C. Rockwell, Shelley S. Martin, Judith A. Jernstedt, J. Clark Lagarias, and Jorge Dubcovsky

    PNAS July 15, 2014 111 (28) 10037-10044; first published June 24, 2014. https://doi.org/10.1073/pnas.1409795111

    See companion article:

    • Profile of Jorge Dubcovsky

      - Jun 30, 2014
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    Arabidopsis noncoding RNA mediates control of photomorphogenesis by red light

    Yuqiu Wang, Xiuduo Fan, Fang Lin, Guangming He, William Terzaghi, Danmeng Zhu, and Xing Wang Deng

    PNAS July 15, 2014 111 (28) 10359-10364; first published June 30, 2014. https://doi.org/10.1073/pnas.1409457111
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    The B2 flowering time locus of beet encodes a zinc finger transcription factor

    Nadine Dally, Ke Xiao, Daniela Holtgräwe, and Christian Jung

    PNAS July 15, 2014 111 (28) 10365-10370; first published June 25, 2014. https://doi.org/10.1073/pnas.1404829111
  • Open Access

    Hit-and-run transcriptional control by bZIP1 mediates rapid nutrient signaling in Arabidopsis

    Alessia Para, Ying Li, Amy Marshall-Colón, Kranthi Varala, Nancy J. Francoeur, Tara M. Moran, Molly B. Edwards, Christopher Hackley, Bastiaan O. R. Bargmann, Kenneth D. Birnbaum, W. Richard McCombie, Gabriel Krouk, and Gloria M. Coruzzi

    PNAS July 15, 2014 111 (28) 10371-10376; first published June 23, 2014. https://doi.org/10.1073/pnas.1404657111
  • Open Access

    Rice actin-binding protein RMD is a key link in the auxin–actin regulatory loop that controls cell growth

    Gang Li, Wanqi Liang, Xiaoqing Zhang, Haiyun Ren, Jianping Hu, Malcolm J. Bennett, and Dabing Zhang

    PNAS July 15, 2014 111 (28) 10377-10382; first published June 30, 2014. https://doi.org/10.1073/pnas.1401680111

• Psychological and Cognitive Sciences

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    Superior time perception for lower musical pitch explains why bass-ranged instruments lay down musical rhythms

    Michael J. Hove, Céline Marie, Ian C. Bruce, and Laurel J. Trainor

    PNAS July 15, 2014 111 (28) 10383-10388; first published June 30, 2014. https://doi.org/10.1073/pnas.1402039111