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June 19, 2012 u vol. 109 u no. 25 u 9667–10124 Cover image: Pictured is a thin polymer sheet floating on a drop of water, pulled taut from the edges by the liquid’s surface tension. Hunter King et al. report that when the drop swells beyond a critical curvature, the sheet accommodates the imposed spherical shape by wrinkling along its edge. The findings suggest that complexity of shape develops via the fundamentally different symmetry-breaking instabilities of wrinkling and crumpling. See the article by King et al. on pages 9716–9720. Image courtesy of Hunter King. From the Cover 9716 Mechanics of wrinkling and crumpling 9692 Genomics and theoretical ecology 9775 Life satisfaction and economic growth 9786 Tumors and implanted stem cells 9857 Lysin targets Gram-negative bacteria Contents COMMENTARIES 9670 Economic growth and the human lot THIS WEEK IN PNAS John Knight See companion article on page 9775 9667 In This Issue 9672 Moving the O-glycoproteome from form to function Jacques U. Baenziger LETTERS (ONLINE ONLY) See companion article on page 9893 E1587 Evidence that publication bias contaminated studies relating social class and unethical behavior Gregory Francis PNAS PLUS (AUTHOR SUMMARIES) E1588 Reply to Francis: Cumulative power calculations are PHYSICAL SCIENCES faulty when based on observed power and a small sample of studies APPLIED PHYSICAL SCIENCES Paul K. Piff, Daniel M. Stancato, Stéphane Côté, Rodolfo Mendoza-Denton, and Dacher Keltner 9678 Energetics of stalk intermediates in membrane fusion are controlled by lipid composition E1589 Flawed analysis of the possibility of air capture Sebastian Aeffner, Tobias Reusch, Britta Weinhausen, Matthew J. Realff and Peter Eisenberger and Tim Salditt See full research article on page E1609 of www.pnas.org E1590 Reply to Realff and Eisenberger: Energy requirements of air capture systems Howard J. Herzog, Kurt Zenz House, Antonio C. Baclig, BIOLOGICAL SCIENCES Ernst A. van Nierop, and Jennifer Wilcox AGRICULTURAL SCIENCES 9674 Single amino acid mutation in an ATP-binding cassette QNAS transporter gene causes resistance to Bt toxin Cry1Ab in the silkworm, Bombyx mori 9669 QnAs with Shu Chien Shogo Atsumi, Kazuhisa Miyamoto, Kimiko Yamamoto, Sandeep Ravindran Junko Narukawa, Sawako Kawai, Hideki Sezutsu, Isao Kobayashi, Keiro Uchino, Toshiki Tamura, Kazuei Mita, Keiko Kadono-Okuda, Sanae Wada, Kohzo Kanda, Marian R. Goldsmith, and Hiroaki Noda Free online through the PNAS open access option. See full research article on page E1591 of www.pnas.org PNAS u June 19, 2012 u vol. 109 u no. 25 u iii–viii Downloaded by guest on September 27, 2021 BIOCHEMISTRY PHYSICAL SCIENCES 9676 Engineering rotor ring stoichiometries in the ATP synthase Denys Pogoryelov, Adriana L. Klyszejko, Ganna O. APPLIED MATHEMATICS Krasnoselska, Eva-Maria Heller, Vanessa Leone, 9699 Stochastic branching-diffusion models for Julian D. Langer, Janet Vonck, Daniel J. Müller, gene expression José D. Faraldo-Gómez, and Thomas Meier David Cottrell, Peter S. Swain, and Paul F. Tupper See full research article on page E1599 of www.pnas.org APPLIED PHYSICAL SCIENCES BIOPHYSICS AND COMPUTATIONAL BIOLOGY 9705 Weak electron–phonon coupling contributing to high 9678 Energetics of stalk intermediates in membrane fusion thermoelectric performance in n-type PbSe are controlled by lipid composition Heng Wang, Yanzhong Pei, Aaron D. LaLonde, Sebastian Aeffner, Tobias Reusch, Britta Weinhausen, and G. Jeffrey Snyder and Tim Salditt See full research article on page E1609 of www.pnas.org 9710 Interface control of bulk ferroelectric polarization P. Yu, W. Luo, D. Yi, J. X. Zhang, M. D. Rossell, C.-H. Yang, L. You, G. Singh-Bhalla, S. Y. Yang, Q. He, Q. M. Ramasse, DEVELOPMENTAL BIOLOGY R. Erni, L. W. Martin, Y. H. Chu, S. T. Pantelides, 9680 Functional roles of fructose S. J. Pennycook, and R. Ramesh Jinyoung Kim, Gwonhwa Song, Guoyao Wu, 9716 Elastic sheet on a liquid drop reveals wrinkling and and Fuller W. Bazer crumpling as distinct symmetry-breaking instabilities See full research article on page E1619 of www.pnas.org Hunter King, Robert D. Schroll, Benny Davidovitch, and Narayanan Menon MEDICAL SCIENCES 9822 Mosquitoes survive raindrop collisions by virtue – 9682 K-RAS GTPase- and B-RAF kinase mediated T-cell of their low mass tolerance defects in rheumatoid arthritis Andrew K. Dickerson, Peter G. Shankles, Karnail Singh, Pratima Deshpande, Guangjin Li, Mingcan Yu, Nihar M. Madhavan, and David L. Hu Sergey Pryshchep, Mary Cavanagh, Cornelia M. Weyand, and Jörg J. Goronzy 10036 Wet-surface–enhanced ellipsometric contrast See full research article on page E1629 of www.pnas.org microscopy identifies slime as a major adhesion factor during bacterial surface motility MICROBIOLOGY Adrien Ducret, Marie-Pierre Valignat, Fabrice Mouhamar, Tâm Mignot, and Olivier Theodoly 9684 Autophagy regulates Wolbachia populations across diverse symbiotic associations Denis Voronin, Darren A. N. Cook, Andrew Steven, CHEMISTRY and Mark J. Taylor 9721 Room temperature femtosecond X-ray diffraction of See full research article on page E1638 of www.pnas.org photosystem II microcrystals Jan Kern, Roberto Alonso-Mori, Julia Hellmich, Rosalie 9686 Coordinated phenotype switching with large-scale Tran, Johan Hattne, Hartawan Laksmono, Carina Glöckner, fl fl chromosome ip- op inversion observed in bacteria Nathaniel Echols, Raymond G. Sierra, Jonas Sellberg, Longzhu Cui, Hui-min Neoh, Akira Iwamoto, Benedikt Lassalle-Kaiser, Richard J. Gildea, Pieter Glatzel, and Keiichi Hiramatsu Ralf W. Grosse-Kunstleve, Matthew J. Latimer, Trevor A. See full research article on page E1647 of www.pnas.org McQueen, Dörte DiFiore, Alan R. Fry, Marc Messerschmidt, Alan Miahnahri, Donald W. Schafer, M. Marvin Seibert, NEUROSCIENCE Dimosthenis Sokaras, Tsu-Chien Weng, Petrus H. Zwart, 9688 Primary somatosensory cortex discriminates affective William E. White, Paul D. Adams, Michael J. Bogan, significance in social touch Sébastien Boutet, Garth J. Williams, Johannes Messinger, Valeria Gazzola, Michael L. Spezio, Joset A. Etzel, Fulvia Nicholas K. Sauter, Athina Zouni, Uwe Bergmann, Castelli, Ralph Adolphs, and Christian Keysers Junko Yano, and Vittal K. Yachandra See full research article on page E1657 of www.pnas.org 9727 Metalloenzyme-like catalyzed isomerizations of sugars 9690 Spike timing plays a key role in synapse elimination at by Lewis acid zeolites the neuromuscular junction Ricardo Bermejo-Deval, Rajeev S. Assary, Eranda Nikolla, Morgana Favero, Giuseppe Busetto, and Alberto Cangiano Manuel Moliner, Yuriy Román-Leshkov, Son-Jong Hwang, See full research article on page E1667 of www.pnas.org Arna Palsdottir, Dorothy Silverman, Raul F. Lobo, Larry A. Curtiss, and Mark E. Davis 3 9733 Intersystem crossing and dynamics in O( P) + C2H4 INAUGURAL ARTICLE multichannel reaction: Experiment validates theory Bina Fu, Yong-Chang Han, Joel M. Bowman, Luca Angelucci, Nadia Balucani, Francesca Leonori, 9692 Quantification of the relative roles of niche and neutral and Piergiorgio Casavecchia processes in structuring gastrointestinal microbiomes Patricio Jeraldo, Maksim Sipos, Nicholas Chia, Jennifer M. 9739 Reversible voltammograms and a Pourbaix diagram Brulc, A. Singh Dhillon, Michael E. Konkel, Charles L. for a protein tyrosine radical Larson, Karen E. Nelson, Ani Qu, Lawrence B. Schook, Bruce W. Berry, Melissa C. Martínez-Rivera, Fang Yang, Bryan A. White, and Nigel Goldenfeld and Cecilia Tommos iv u www.pnas.org Downloaded by guest on September 27, 2021 9744 Water at hydrophobic interfaces delays proton 9923 Human origins and the transition from promiscuity surface-to-bulk transfer and provides a pathway to pair-bonding for lateral proton diffusion Sergey Gavrilets Chao Zhang, Denis G. Knyazev, Yana A. Vereshaga, Emiliano Ippoliti, Trung Hai Nguyen, Paolo Carloni, and Peter Pohl ECONOMIC SCIENCES ’ – 9828 Photochemically driven redox chemistry induces 9775 China s life satisfaction, 1990 2010 protocell membrane pearling and division Richard A. Easterlin, Robson Morgan, Malgorzata Switek, Ting F. Zhu, Katarzyna Adamala, Na Zhang, and Fei Wang and Jack W. Szostak See Commentary on page 9670 9917 Interaction of structure-specific and promiscuous G-protein–coupled receptors mediates small-molecule SOCIAL SCIENCES signaling in Caenorhabditis elegans 9929 Direct reciprocity in structured populations ’ Donha Park, Inish O Doherty, Rishi K. Somvanshi, Matthijs van Veelen, Julián García, David G. Rand, Axel Bethke, Frank C. Schroeder, Ujendra Kumar, and Martin A. Nowak and Donald L. Riddle EARTH, ATMOSPHERIC, AND PLANETARY SCIENCES 9750 Differentiating biotic from abiotic methane genesis in BIOLOGICAL SCIENCES hydrothermally active planetary surfaces Christopher Oze, L. Camille Jones, Jonas I. Goldsmith, ANTHROPOLOGY and Robert J. Rosenbauer 9781 Religion as a means to assure paternity 9755 Mode change of millennial CO2 variability during the last Beverly I. Strassmann, Nikhil T. Kurapati, Brendan F. Hug, glacial cycle associated with a bipolar marine Erin E. Burke, Brenda W. Gillespie, Tatiana M. Karafet, carbon seesaw and Michael F. Hammer Bernhard Bereiter, Dieter Lüthi, Michael Siegrist, Simon Schüpbach, Thomas F. Stocker, and Hubertus Fischer APPLIED BIOLOGICAL SCIENCES 9989 Rapidly assessing changes in bone mineral balance using natural stable calcium isotopes 9786 Implanted adipose progenitor cells as physicochemical Jennifer L. L. Morgan, Joseph L. Skulan, Gwyneth W. regulators of breast cancer Gordon, Stephen J. Romaniello, Scott M. Smith, Emily M. Chandler, Bo Ri Seo, Joseph