Proceedings of the National Academy of Sciences: 111 (28)

New Research In

July 15, 2014; vol. 111 no. 28

This Week in PNAS

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In This Issue
PNAS July 15, 2014 111 (28) 10021-10022; https://doi.org/10.1073/iti2814111

Letters (Online Only)

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Alternative to faith-based science
Melinda A. Zeder

PNAS July 15, 2014 111 (28) E2827; first published June 19, 2014. https://doi.org/10.1073/pnas.1408209111
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Reply to Zeder: Maintaining a diverse scientific toolkit is not an act of faith
Kristen J. Gremillion, Loukas Barton, and Dolores R. Piperno

PNAS July 15, 2014 111 (28) E2828; first published June 19, 2014. https://doi.org/10.1073/pnas.1409072111
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Particularism and the retreat from theory in the archaeology of agricultural origins
- Apr 29, 2014
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Failure of optimal foraging theory to appeal to researchers working on the origins of agriculture worldwide
Bruce D. Smith

PNAS July 15, 2014 111 (28) E2829; first published June 16, 2014. https://doi.org/10.1073/pnas.1408208111
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Reply to Smith: On distinguishing between models, hypotheses, and theoretical frameworks
Kristen J. Gremillion, Loukas Barton, and Dolores R. Piperno

PNAS July 15, 2014 111 (28) E2830; first published June 16, 2014. https://doi.org/10.1073/pnas.1408909111
See companion article:
Particularism and the retreat from theory in the archaeology of agricultural origins
- Apr 29, 2014

Inner Workings

An over-the-shoulder look at scientists at work.

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Inner Workings: Face processing
Front Matter
Alla Katsnelson

PNAS July 15, 2014 111 (28) 10023; https://doi.org/10.1073/pnas.1409873111

Profiles

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Profile of Johanna Schmitt
Jennifer Viegas

PNAS July 15, 2014 111 (28) 10024-10026; first published June 16, 2014. https://doi.org/10.1073/pnas.1409875111
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Lagging adaptation to warming climate in Arabidopsis thaliana
- Jun 03, 2014
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Profile of Jorge Dubcovsky
Jennifer Viegas

PNAS July 15, 2014 111 (28) 10027-10028; first published June 30, 2014. https://doi.org/10.1073/pnas.1410244111
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PHYTOCHROME C plays a major role in the acceleration of wheat flowering under long-day photoperiod
- Jul 15, 2014

Commentaries

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Fulfilling the dream of a perfect genome editing tool
Maria Spies

PNAS July 15, 2014 111 (28) 10029-10030; first published July 2, 2014. https://doi.org/10.1073/pnas.1408985111
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Direct observation of R-loop formation by single RNA-guided Cas9 and Cascade effector complexes
- Jul 08, 2014
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Extreme cross-peak 2D spectroscopy
Gregory D. Scholes

PNAS July 15, 2014 111 (28) 10031-10032; first published July 7, 2014. https://doi.org/10.1073/pnas.1410105111
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Correlating the motion of electrons and nuclei with two-dimensional electronic–vibrational spectroscopy
- Jul 15, 2014
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Road salt offers insights into the connections between diet and neural development
Michael Kaspari

PNAS July 15, 2014 111 (28) 10033-10034; first published June 25, 2014. https://doi.org/10.1073/pnas.1408653111
See companion article:
Anthropogenic changes in sodium affect neural and muscle development in butterflies
- Jul 15, 2014

PNAS Plus Significance Statements

Brief statements written by the authors about the significance of their papers.

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PNAS Plus Significance Statements
PNAS July 15, 2014 111 (28) 10035-10036; https://doi.org/10.1073/pnas.ss11128

Physical Sciences

Applied Physical Sciences
- Open Access
  Packing and the structural transformations in liquid and amorphous oxides from ambient to extreme conditions
  Anita Zeidler, Philip Stephen Salmon, and Lawrie Basil Skinner
  
  PNAS July 15, 2014 111 (28) 10045-10048; first published June 30, 2014. https://doi.org/10.1073/pnas.1405660111
- 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
Chemistry
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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
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  Mesoscale molecular network formation in amorphous organic materials
  Brett M. Savoie, Kevin L. Kohlstedt, Nicholas E. Jackson, Lin X. Chen, Monica Olvera de la Cruz, George C. Schatz, Tobin J. Marks, and Mark A. Ratner
  
  PNAS July 15, 2014 111 (28) 10055-10060; first published June 30, 2014. https://doi.org/10.1073/pnas.1409514111
- Open Access
  Correlating the motion of electrons and nuclei with two-dimensional electronic–vibrational spectroscopy
  From the Cover
  
  Thomas A. A. Oliver, Nicholas H. C. Lewis, and Graham R. Fleming
  
  PNAS July 15, 2014 111 (28) 10061-10066; first published June 9, 2014. https://doi.org/10.1073/pnas.1409207111
  
  See companion article:
  Extreme cross-peak 2D spectroscopy
  - Jul 15, 2014
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  Arenium ions are not obligatory intermediates in electrophilic aromatic substitution
  Boris Galabov, Gergana Koleva, Svetlana Simova, Boriana Hadjieva, Henry F. Schaefer III, and Paul von Ragué Schleyer
  
  PNAS July 15, 2014 111 (28) 10067-10072; first published June 27, 2014. https://doi.org/10.1073/pnas.1405065111
- 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
Earth, Atmospheric, and Planetary Sciences
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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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  Volcano-induced regime shifts in millennial tree-ring chronologies from northeastern North America
  Fabio Gennaretti, Dominique Arseneault, Antoine Nicault, Luc Perreault, and Yves Bégin
  
  PNAS July 15, 2014 111 (28) 10077-10082; first published June 30, 2014. https://doi.org/10.1073/pnas.1324220111
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  Archean komatiite volcanism controlled by the evolution of early continents
  David R. Mole, Marco L. Fiorentini, Nicolas Thebaud, Kevin F. Cassidy, T. Campbell McCuaig, Christopher L. Kirkland, Sandra S. Romano, Michael P. Doublier, Elena A. Belousova, Stephen J. Barnes, and John Miller
  
  PNAS July 15, 2014 111 (28) 10083-10088; first published June 23, 2014. https://doi.org/10.1073/pnas.1400273111
Engineering
- 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
Physics
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  Tribonucleation of bubbles
  Sander Wildeman, Henri Lhuissier, Chao Sun, Detlef Lohse, and Andrea Prosperetti
  
  PNAS July 15, 2014 111 (28) 10089-10094; first published June 30, 2014. https://doi.org/10.1073/pnas.1321194111
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  Information-based fitness and the emergence of criticality in living systems
  Jorge Hidalgo, Jacopo Grilli, Samir Suweis, Miguel A. Muñoz, Jayanth R. Banavar, and Amos Maritan
  
  PNAS July 15, 2014 111 (28) 10095-10100; first published June 30, 2014. https://doi.org/10.1073/pnas.1319166111

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:
  Road salt offers insights into the connections between diet and neural development
  - Jul 15, 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
- You have access
  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
- You have access
  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
  - Jul 15, 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

Correction

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Correction for Romano et al., MiR-494 is regulated by ERK1/2 and modulates TRAIL-induced apoptosis in non–small-cell lung cancer through BIM down-regulation
PNAS July 15, 2014 111 (28) 10389; first published June 27, 2014. https://doi.org/10.1073/pnas.1410423111

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