Proceedings of the National Academy of Sciences: 112 (6)

New Research In

February 10, 2015; vol. 112 no. 6

This Week in PNAS

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In This Issue
PNAS February 10, 2015 112 (6) 1643-1644; https://doi.org/10.1073/iti0615112

Letters (Online Only)

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Plausible reductions in future population growth and implications for the environment
Brian C. O’Neill, Leiwen Jiang, and Patrick Gerland

PNAS February 10, 2015 112 (6) E506; first published January 23, 2015. https://doi.org/10.1073/pnas.1421989112
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Population stabilization potential underestimated
- Jan 23, 2015
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Population stabilization potential and its benefits underestimated
Jane N. O’Sullivan

PNAS February 10, 2015 112 (6) E507; first published January 23, 2015. https://doi.org/10.1073/pnas.1422507112
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Plausible reductions in future population growth
- Jan 23, 2015
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Reply to O’Neill et al. and O’Sullivan: Fertility reduction will help, but only in the long term
Corey J. A. Bradshaw and Barry W. Brook

PNAS February 10, 2015 112 (6) E508-E509; first published January 23, 2015. https://doi.org/10.1073/pnas.1423102112
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No quick fix to reduce human population size
- Oct 27, 2014

Opinion

Leading scientists discuss current issues.

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Opinion: Reproducible research can still be wrong: Adopting a prevention approach
Front Matter
Jeffrey T. Leek and Roger D. Peng

PNAS February 10, 2015 112 (6) 1645-1646; https://doi.org/10.1073/pnas.1421412111

News Feature

An in-depth look at trending science issues.

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News Feature: Many species, one health
Front Matter
Danielle Venton

PNAS February 10, 2015 112 (6) 1647-1649; https://doi.org/10.1073/pnas.1423578112

Retrospective

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Herman N. Eisen: Mentor to many
David M. Kranz and Yuri Sykulev

PNAS February 10, 2015 112 (6) 1650-1651; first published January 23, 2015. https://doi.org/10.1073/pnas.1500050112

Profile

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Profile of Brian Charlesworth
Jennifer Viegas

PNAS February 10, 2015 112 (6) 1652-1653; first published January 6, 2015. https://doi.org/10.1073/pnas.1423862112
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Natural variation in fitness
- Jan 08, 2015

Commentaries

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Altruism, self-interest, and energy consumption
Thomas Dietz

PNAS February 10, 2015 112 (6) 1654-1655; first published January 13, 2015. https://doi.org/10.1073/pnas.1423686112
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Nonprice incentives and energy conservation
- Jan 12, 2015
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Parasites help find universal ecological rules
Ryan F. Hechinger

PNAS February 10, 2015 112 (6) 1656-1657; first published January 28, 2015. https://doi.org/10.1073/pnas.1423785112
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Parasitism alters three power laws of scaling
- Dec 30, 2014
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Birds tune in to sequential information when categorizing their songs
Julia Fischer

PNAS February 10, 2015 112 (6) 1658-1659; first published January 30, 2015. https://doi.org/10.1073/pnas.1424231112
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Context-dependent categorical perception
- Jan 05, 2015

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 February 10, 2015 112 (6) 1660-1661; https://doi.org/10.1073/pnas.ss11206

Physical Sciences

Applied Physical Sciences
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  Charge disproportionation and the pressure-induced insulator–metal transition in cubic perovskite PbCrO₃
  Jinguang Cheng, K. E. Kweon, S. A. Larregola, Yang Ding, Y. Shirako, L. G. Marshall, Z.-Y. Li, X. Li, António M. dos Santos, M. R. Suchomel, K. Matsubayashi, Y. Uwatoko, G. S. Hwang, John B. Goodenough, and J.-S. Zhou
  
  PNAS February 10, 2015 112 (6) 1670-1674; first published January 26, 2015. https://doi.org/10.1073/pnas.1424431112
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  Knot theory realizations in nematic colloids
  Simon Čopar, Uroš Tkalec, Igor Muševič, and Slobodan Žumer
  
  PNAS February 10, 2015 112 (6) 1675-1680; first published January 26, 2015. https://doi.org/10.1073/pnas.1417178112
Chemistry
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  Membranes serve as allosteric activators of phospholipase A₂, enabling it to extract, bind, and hydrolyze phospholipid substrates
  Varnavas D. Mouchlis, Denis Bucher, J. Andrew McCammon, and Edward A. Dennis
  
  PNAS February 10, 2015 112 (6) E516-E525; first published January 26, 2015. https://doi.org/10.1073/pnas.1424651112
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  Metal-free organic sensitizers for use in water-splitting dye-sensitized photoelectrochemical cells
  John R. Swierk, Dalvin D. Méndez-Hernández, Nicholas S. McCool, Paul Liddell, Yuichi Terazono, Ian Pahk, John J. Tomlin, Nolan V. Oster, Thomas A. Moore, Ana L. Moore, Devens Gust, and Thomas E. Mallouk
  
  PNAS February 10, 2015 112 (6) 1681-1686; first published January 12, 2015. https://doi.org/10.1073/pnas.1414901112
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  Reversible catalytic dehydrogenation of alcohols for energy storage
  Peter J. Bonitatibus Jr., Sumit Chakraborty, Mark D. Doherty, Oltea Siclovan, William D. Jones, and Grigorii L. Soloveichik
  
  PNAS February 10, 2015 112 (6) 1687-1692; first published January 14, 2015. https://doi.org/10.1073/pnas.1420199112
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  Quinary structure modulates protein stability in cells
  William B. Monteith, Rachel D. Cohen, Austin E. Smith, Emilio Guzman-Cisneros, and Gary J. Pielak
  
  PNAS February 10, 2015 112 (6) 1739-1742; first published January 26, 2015. https://doi.org/10.1073/pnas.1417415112
Earth, Atmospheric, and Planetary Sciences
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  Cultural implications of late Holocene climate change in the Cuenca Oriental, Mexico
  Tripti Bhattacharya, Roger Byrne, Harald Böhnel, Kurt Wogau, Ulrike Kienel, B. Lynn Ingram, and Susan Zimmerman
  
  PNAS February 10, 2015 112 (6) 1693-1698; first published January 26, 2015. https://doi.org/10.1073/pnas.1405653112
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  Chemical signature of magnetotactic bacteria
  Matthieu Amor, Vincent Busigny, Mickaël Durand-Dubief, Mickaël Tharaud, Georges Ona-Nguema, Alexandre Gélabert, Edouard Alphandéry, Nicolas Menguy, Marc F. Benedetti, Imène Chebbi, and François Guyot
  
  PNAS February 10, 2015 112 (6) 1699-1703; first published January 26, 2015. https://doi.org/10.1073/pnas.1414112112
Engineering
- Open Access
  Optical antenna enhanced spontaneous emission
  Michael S. Eggleston, Kevin Messer, Liming Zhang, Eli Yablonovitch, and Ming C. Wu
  
  PNAS February 10, 2015 112 (6) 1704-1709; first published January 26, 2015. https://doi.org/10.1073/pnas.1423294112
- Open Access
  Anti-vascular endothelial growth factor treatment normalizes tuberculosis granuloma vasculature and improves small molecule delivery
  Meenal Datta, Laura E. Via, Walid S. Kamoun, Chong Liu, Wei Chen, Giorgio Seano, Danielle M. Weiner, Daniel Schimel, Kathleen England, John D. Martin, Xing Gao, Lei Xu, Clifton E. Barry III, and Rakesh K. Jain
  
  PNAS February 10, 2015 112 (6) 1827-1832; first published January 26, 2015. https://doi.org/10.1073/pnas.1424563112
Environmental Sciences
- Open Access
  Ocean fronts drive marine fishery production and biogeochemical cycling
  C. Brock Woodson and Steven Y. Litvin
  
  PNAS February 10, 2015 112 (6) 1710-1715; first published January 26, 2015. https://doi.org/10.1073/pnas.1417143112
Physics
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  Optically driven translational and rotational motions of microrod particles in a nematic liquid crystal
  Alexey Eremin, Pemika Hirankittiwong, Nattaporn Chattham, Hajnalka Nádasi, Ralf Stannarius, Jumras Limtrakul, Osamu Haba, Koichiro Yonetake, and Hideo Takezoe
  
  PNAS February 10, 2015 112 (6) 1716-1720; first published January 26, 2015. https://doi.org/10.1073/pnas.1419850112

Biological Sciences

Applied Biological Sciences
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  Identification of plant compounds that disrupt the insect juvenile hormone receptor complex
  Seok-Hee Lee, Hyun-Woo Oh, Ying Fang, Saes-Byeol An, Doo-Sang Park, Hyuk-Hwan Song, Sei-Ryang Oh, Soo-Young Kim, Seonghyun Kim, Namjung Kim, Alexander S. Raikhel, Yeon Ho Je, and Sang Woon Shin
  
  PNAS February 10, 2015 112 (6) 1733-1738; first published January 26, 2015. https://doi.org/10.1073/pnas.1424386112
Biochemistry
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  Membranes serve as allosteric activators of phospholipase A₂, enabling it to extract, bind, and hydrolyze phospholipid substrates
  Varnavas D. Mouchlis, Denis Bucher, J. Andrew McCammon, and Edward A. Dennis
  
  PNAS February 10, 2015 112 (6) E516-E525; first published January 26, 2015. https://doi.org/10.1073/pnas.1424651112
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  Bordetella pertussis fim3 gene regulation by BvgA: Phosphorylation controls the formation of inactive vs. active transcription complexes
  Alice Boulanger, Kyung Moon, Kimberly B. Decker, Qing Chen, Leslie Knipling, Scott Stibitz, and Deborah M. Hinton
  
  PNAS February 10, 2015 112 (6) E526-E535; first published January 26, 2015. https://doi.org/10.1073/pnas.1421045112
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  Quinary structure modulates protein stability in cells
  William B. Monteith, Rachel D. Cohen, Austin E. Smith, Emilio Guzman-Cisneros, and Gary J. Pielak
  
  PNAS February 10, 2015 112 (6) 1739-1742; first published January 26, 2015. https://doi.org/10.1073/pnas.1417415112
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  Specialized insulin is used for chemical warfare by fish-hunting cone snails
  From the Cover
  
  Helena Safavi-Hemami, Joanna Gajewiak, Santhosh Karanth, Samuel D. Robinson, Beatrix Ueberheide, Adam D. Douglass, Amnon Schlegel, Julita S. Imperial, Maren Watkins, Pradip K. Bandyopadhyay, Mark Yandell, Qing Li, Anthony W. Purcell, Raymond S. Norton, Lars Ellgaard, and Baldomero M. Olivera
  
  PNAS February 10, 2015 112 (6) 1743-1748; first published January 20, 2015. https://doi.org/10.1073/pnas.1423857112
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  Src phosphorylation converts Mdm2 from a ubiquitinating to a neddylating E3 ligase
  Christopher N. Batuello, Paula M. Hauck, Jaimie M. Gendron, Jason A. Lehman, and Lindsey D. Mayo
  
  PNAS February 10, 2015 112 (6) 1749-1754; first published January 26, 2015. https://doi.org/10.1073/pnas.1416656112
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  Structures and characterization of digoxin- and bufalin-bound Na⁺,K⁺-ATPase compared with the ouabain-bound complex
  Mette Laursen, Jonas Lindholt Gregersen, Laure Yatime, Poul Nissen, and Natalya U. Fedosova
  
  PNAS February 10, 2015 112 (6) 1755-1760; first published January 26, 2015. https://doi.org/10.1073/pnas.1422997112
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  Direct inhibition of oncogenic KRAS by hydrocarbon-stapled SOS1 helices
  Elizaveta S. Leshchiner, Andrey Parkhitko, Gregory H. Bird, James Luccarelli, Joseph A. Bellairs, Silvia Escudero, Kwadwo Opoku-Nsiah, Marina Godes, Norbert Perrimon, and Loren D. Walensky
  
  PNAS February 10, 2015 112 (6) 1761-1766; first published January 26, 2015. https://doi.org/10.1073/pnas.1413185112
- Open Access
  Structural and biochemical studies of HCMV gH/gL/gO and Pentamer reveal mutually exclusive cell entry complexes
  Claudio Ciferri, Sumana Chandramouli, Danilo Donnarumma, Pavel A. Nikitin, Michael A. Cianfrocco, Rachel Gerrein, Adam L. Feire, Susan W. Barnett, Anders E. Lilja, Rino Rappuoli, Nathalie Norais, Ethan C. Settembre, and Andrea Carfi
  
  PNAS February 10, 2015 112 (6) 1767-1772; first published January 26, 2015. https://doi.org/10.1073/pnas.1424818112
Cell Biology
- Open Access
  BRAF inhibitor resistance mediated by the AKT pathway in an oncogenic BRAF mouse melanoma model
  Daniele Perna, Florian A. Karreth, Alistair G. Rust, Pedro A. Perez-Mancera, Mamunur Rashid, Francesco Iorio, Constantine Alifrangis, Mark J. Arends, Marcus W. Bosenberg, Gideon Bollag, David A. Tuveson, and David J. Adams
  
  PNAS February 10, 2015 112 (6) E536-E545; first published January 26, 2015. https://doi.org/10.1073/pnas.1418163112
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  Inositol pyrophosphates promote tumor growth and metastasis by antagonizing liver kinase B1
  Feng Rao, Jing Xu, Chenglai Fu, Jiyoung Y. Cha, Moataz M. Gadalla, Risheng Xu, James C. Barrow, and Solomon H. Snyder
  
  PNAS February 10, 2015 112 (6) 1773-1778; first published January 23, 2015. https://doi.org/10.1073/pnas.1424642112
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  p53 at the endoplasmic reticulum regulates apoptosis in a Ca²⁺-dependent manner
  Carlotta Giorgi, Massimo Bonora, Giovanni Sorrentino, Sonia Missiroli, Federica Poletti, Jan M. Suski, Fabian Galindo Ramirez, Rosario Rizzuto, Francesco Di Virgilio, Ester Zito, Pier Paolo Pandolfi, Mariusz R. Wieckowski, Fabio Mammano, Giannino Del Sal, and Paolo Pinton
  
  PNAS February 10, 2015 112 (6) 1779-1784; first published January 26, 2015. https://doi.org/10.1073/pnas.1410723112
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  Differential regulation of the Hippo pathway by adherens junctions and apical–basal cell polarity modules
  Chih-Chao Yang, Hillary K. Graves, Ivan M. Moya, Chunyao Tao, Fisun Hamaratoglu, Andrew B. Gladden, and Georg Halder
  
  PNAS February 10, 2015 112 (6) 1785-1790; first published January 26, 2015. https://doi.org/10.1073/pnas.1420850112
Ecology
- Open Access
  Ocean fronts drive marine fishery production and biogeochemical cycling
  C. Brock Woodson and Steven Y. Litvin
  
  PNAS February 10, 2015 112 (6) 1710-1715; first published January 26, 2015. https://doi.org/10.1073/pnas.1417143112
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  Parasitism alters three power laws of scaling in a metazoan community: Taylor’s law, density-mass allometry, and variance-mass allometry
  From the Cover
  
  Clément Lagrue, Robert Poulin, and Joel E. Cohen
  
  PNAS February 10, 2015 112 (6) 1791-1796; first published December 30, 2014. https://doi.org/10.1073/pnas.1422475112
  
  See companion article:
  Parasites help find universal ecological rules
  - Jan 28, 2015
Evolution
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  Causes of natural variation in fitness: Evidence from studies of Drosophila populations
  Inaugural Article
  
  Brian Charlesworth
  
  PNAS February 10, 2015 112 (6) 1662-1669; first published January 8, 2015. https://doi.org/10.1073/pnas.1423275112
  
  See companion article:
  Profile of Brian Charlesworth
  - Jan 06, 2015
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  Protein folding and binding can emerge as evolutionary spandrels through structural coupling
  Michael Manhart and Alexandre V. Morozov
  
  PNAS February 10, 2015 112 (6) 1797-1802; first published January 26, 2015. https://doi.org/10.1073/pnas.1415895112
Genetics
- Open Access
  Intrinsic biocontainment: Multiplex genome safeguards combine transcriptional and recombinational control of essential yeast genes
  Yizhi Cai, Neta Agmon, Woo Jin Choi, Alba Ubide, Giovanni Stracquadanio, Katrina Caravelli, Haiping Hao, Joel S. Bader, and Jef D. Boeke
  
  PNAS February 10, 2015 112 (6) 1803-1808; first published January 26, 2015. https://doi.org/10.1073/pnas.1424704112
Immunology and Inflammation
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  Functional capacities of human IgM memory B cells in early inflammatory responses and secondary germinal center reactions
  Marc Seifert, Martina Przekopowitz, Sarah Taudien, Anna Lollies, Viola Ronge, Britta Drees, Monika Lindemann, Uwe Hillen, Harald Engler, Bernhard B. Singer, and Ralf Küppers
  
  PNAS February 10, 2015 112 (6) E546-E555; first published January 26, 2015. https://doi.org/10.1073/pnas.1416276112
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  Effector Vγ9Vδ2 T cells dominate the human fetal γδ T-cell repertoire
  Tanya Dimova, Margreet Brouwer, Françoise Gosselin, Joël Tassignon, Oberdan Leo, Catherine Donner, Arnaud Marchant, and David Vermijlen
  
  PNAS February 10, 2015 112 (6) E556-E565; first published January 23, 2015. https://doi.org/10.1073/pnas.1412058112
- Open Access
  Immune-mediated antitumor effect by type 2 diabetes drug, metformin
  Shingo Eikawa, Mikako Nishida, Shusaku Mizukami, Chihiro Yamazaki, Eiichi Nakayama, and Heiichiro Udono
  
  PNAS February 10, 2015 112 (6) 1809-1814; first published January 26, 2015. https://doi.org/10.1073/pnas.1417636112
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  CTCF-binding elements 1 and 2 in the Igh intergenic control region cooperatively regulate V(D)J recombination
  Sherry G. Lin, Chunguang Guo, Arthur Su, Yu Zhang, and Frederick W. Alt
  
  PNAS February 10, 2015 112 (6) 1815-1820; first published January 26, 2015. https://doi.org/10.1073/pnas.1424936112
- Open Access
  Mitophagy confers resistance to siderophore-mediated killing by Pseudomonas aeruginosa
  Natalia V. Kirienko, Frederick M. Ausubel, and Gary Ruvkun
  
  PNAS February 10, 2015 112 (6) 1821-1826; first published January 26, 2015. https://doi.org/10.1073/pnas.1424954112
Medical Sciences
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  Invasive breast cancer reprograms early myeloid differentiation in the bone marrow to generate immunosuppressive neutrophils
  Amy-Jo Casbon, Damien Reynaud, Chanhyuk Park, Emily Khuc, Dennis D. Gan, Koen Schepers, Emmanuelle Passegué, and Zena Werb
  
  PNAS February 10, 2015 112 (6) E566-E575; first published January 26, 2015. https://doi.org/10.1073/pnas.1424927112
- Open Access
  Anti-vascular endothelial growth factor treatment normalizes tuberculosis granuloma vasculature and improves small molecule delivery
  Meenal Datta, Laura E. Via, Walid S. Kamoun, Chong Liu, Wei Chen, Giorgio Seano, Danielle M. Weiner, Daniel Schimel, Kathleen England, John D. Martin, Xing Gao, Lei Xu, Clifton E. Barry III, and Rakesh K. Jain
  
  PNAS February 10, 2015 112 (6) 1827-1832; first published January 26, 2015. https://doi.org/10.1073/pnas.1424563112
- Open Access
  Heterogeneity for IGF-II production maintained by public goods dynamics in neuroendocrine pancreatic cancer
  From the Cover
  
  Marco Archetti, Daniela A. Ferraro, and Gerhard Christofori
  
  PNAS February 10, 2015 112 (6) 1833-1838; first published January 26, 2015. https://doi.org/10.1073/pnas.1414653112
  
  See companion article:
  Game theory of cancer
  - May 04, 2015
- Open Access
  Suppression of cancer relapse and metastasis by inhibiting cancer stemness
  Youzhi Li, Harry A. Rogoff, Sarah Keates, Yuan Gao, Sylaja Murikipudi, Keith Mikule, David Leggett, Wei Li, Arthur B. Pardee, and Chiang J. Li
  
  PNAS February 10, 2015 112 (6) 1839-1844; first published January 20, 2015. https://doi.org/10.1073/pnas.1424171112
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  GPR17 gene disruption does not alter food intake or glucose homeostasis in mice
  Jason Mastaitis, Soo Min, Ralf Elvert, Aimo Kannt, Yurong Xin, Francisca Ochoa, Nicholas W. Gale, David M. Valenzuela, Andrew J. Murphy, George D. Yancopoulos, and Jesper Gromada
  
  PNAS February 10, 2015 112 (6) 1845-1849; first published January 26, 2015. https://doi.org/10.1073/pnas.1424968112
Microbiology
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  Structure and mechanism of Staphylococcus aureus TarM, the wall teichoic acid α-glycosyltransferase
  Solmaz Sobhanifar, Liam James Worrall, Robert J. Gruninger, Gregory A. Wasney, Markus Blaukopf, Lars Baumann, Emilie Lameignere, Matthew Solomonson, Eric D. Brown, Stephen G. Withers, and Natalie C. J. Strynadka
  
  PNAS February 10, 2015 112 (6) E576-E585; first published January 26, 2015. https://doi.org/10.1073/pnas.1418084112
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  Flagella-independent surface motility in Salmonella enterica serovar Typhimurium
  Sun-Yang Park, Mauricio H. Pontes, and Eduardo A. Groisman
  
  PNAS February 10, 2015 112 (6) 1850-1855; first published January 26, 2015. https://doi.org/10.1073/pnas.1422938112
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  Pan-viral-microRNA screening identifies interferon inhibition as a common function of diverse viruses
  Jennifer E. Cox, Lydia V. McClure, Andrei Goga, and Christopher S. Sullivan
  
  PNAS February 10, 2015 112 (6) 1856-1861; first published January 26, 2015. https://doi.org/10.1073/pnas.1417891112
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  Nostopeptolide plays a governing role during cellular differentiation of the symbiotic cyanobacterium Nostoc punctiforme
  Anton Liaimer, Eric J. N. Helfrich, Katrin Hinrichs, Arthur Guljamow, Keishi Ishida, Christian Hertweck, and Elke Dittmann
  
  PNAS February 10, 2015 112 (6) 1862-1867; first published January 26, 2015. https://doi.org/10.1073/pnas.1419543112
Neuroscience
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  Therapeutic mechanisms of high-frequency stimulation in Parkinson’s disease and neural restoration via loop-based reinforcement
  Sabato Santaniello, Michelle M. McCarthy, Erwin B. Montgomery Jr., John T. Gale, Nancy Kopell, and Sridevi V. Sarma
  
  PNAS February 10, 2015 112 (6) E586-E595; first published January 26, 2015. https://doi.org/10.1073/pnas.1406549111
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  Sound representation in higher language areas during language generation
  Lorenzo Magrassi, Giuseppe Aromataris, Alessandro Cabrini, Valerio Annovazzi-Lodi, and Andrea Moro
  
  PNAS February 10, 2015 112 (6) 1868-1873; first published January 26, 2015. https://doi.org/10.1073/pnas.1418162112
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  PTPσ functions as a presynaptic receptor for the glypican-4/LRRTM4 complex and is essential for excitatory synaptic transmission
  Ji Seung Ko, Gopal Pramanik, Ji Won Um, Ji Seon Shim, Dongmin Lee, Kee Hun Kim, Gug-Young Chung, Giuseppe Condomitti, Ho Min Kim, Hyun Kim, Joris de Wit, Kang-Sik Park, Katsuhiko Tabuchi, and Jaewon Ko
  
  PNAS February 10, 2015 112 (6) 1874-1879; first published January 26, 2015. https://doi.org/10.1073/pnas.1410138112
Physiology
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  Constitutive BDNF/TrkB signaling is required for normal cardiac contraction and relaxation
  Ning Feng, Sabine Huke, Guangshuo Zhu, Carlo G. Tocchetti, Sa Shi, Takeshi Aiba, Nina Kaludercic, Donald B. Hoover, Sarah E. Beck, Joseph L. Mankowski, Gordon F. Tomaselli, Donald M. Bers, David A. Kass, and Nazareno Paolocci
  
  PNAS February 10, 2015 112 (6) 1880-1885; first published January 12, 2015. https://doi.org/10.1073/pnas.1417949112
Plant Biology
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  Dual roles of an Arabidopsis ESCRT component FREE1 in regulating vacuolar protein transport and autophagic degradation
  Caiji Gao, Xiaohong Zhuang, Yong Cui, Xi Fu, Yilin He, Qiong Zhao, Yonglun Zeng, Jinbo Shen, Ming Luo, and Liwen Jiang
  
  PNAS February 10, 2015 112 (6) 1886-1891; first published January 26, 2015. https://doi.org/10.1073/pnas.1421271112
Psychological and Cognitive Sciences
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  Context-dependent categorical perception in a songbird
  From the Cover
  
  Robert F. Lachlan and Stephen Nowicki
  
  PNAS February 10, 2015 112 (6) 1892-1897; first published January 5, 2015. https://doi.org/10.1073/pnas.1410844112
  
  See companion article:
  Birds tune in
  - Jan 30, 2015
Systems Biology
- Open Access
  Chemodetection in fluctuating environments: Receptor coupling, buffering, and antagonism
  Jean-Benoît Lalanne and Paul François
  
  PNAS February 10, 2015 112 (6) 1898-1903; first published January 26, 2015. https://doi.org/10.1073/pnas.1420903112

Corrections (Online only)

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Correction for Li et al., Waking sleeping algal cells
PNAS February 10, 2015 112 (6) E596; first published January 23, 2015. https://doi.org/10.1073/pnas.1500845112
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Correction for Barcellos et al., Preparedness of Americans for the Affordable Care Act
PNAS February 10, 2015 112 (6) E597-E601; first published January 26, 2015. https://doi.org/10.1073/pnas.1500047112
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Correction for Han et al., Structural basis for the auxin-induced transcriptional regulation by Aux/IAA17
PNAS February 10, 2015 112 (6) E602; first published January 23, 2015. https://doi.org/10.1073/pnas.1500535112
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Correction for Li et al., Arabidopsis ribosomal proteins control vacuole trafficking and developmental programs through the regulation of lipid metabolism
PNAS February 10, 2015 112 (6) E603; first published January 23, 2015. https://doi.org/10.1073/pnas.1500941112

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