| | This journal provides immediate access to some articles. Land Change Science Special Feature Research Article The evolution of urban sprawl: Evidence of spatial heterogeneity and increasing land fragmentation Elena G. Irwin and Nancy E. Bockstael Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20672–20677. Published online 2007 December 19. doi: 10.1073/pnas.0705527105.PMCID: PMC2410062 From The Cover:Land Change Science Special Feature: Agent-based modeling of deforestation in southern Yucatán, Mexico, and reforestation in the Midwest United States Steven M. Manson and Tom Evans Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20678–20683. Published online 2007 December 19. doi: 10.1073/pnas.0705802104.PMCID: PMC2413086 Research Articles From The Cover:Land Change Science Special Feature: Incorporating plant functional diversity effects in ecosystem service assessments Sandra Díaz, Sandra Lavorel, Francesco de Bello, Fabien Quétier, Karl Grigulis, and T. Matthew Robson Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20684–20689. Published online 2007 December 19. doi: 10.1073/pnas.0704716104.PMCID: PMC2410063 From The Cover:Land Change Science Special Feature: Learning from episodes of degradation and recovery in variable Australian rangelands D. Mark Stafford Smith, Greg M. McKeon, Ian W. Watson, Beverley K. Henry, Grant S. Stone, Wayne B. Hall, and S. Mark Howden Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20690–20695. Published online 2007 December 19. doi: 10.1073/pnas.0704837104.PMCID: PMC2410064 From The Cover:Land Change Science Special Feature: Ecological feedbacks following deforestation create the potential for a catastrophic ecosystem shift in tropical dry forest Deborah Lawrence, Paolo D'Odorico, Lucy Diekmann, Marcia DeLonge, Rishiraj Das, and James Eaton Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20696–20701. Published online 2007 December 19. doi: 10.1073/pnas.0705005104.PMCID: PMC2410065 Perspective From The Cover:Land Change Science Special Feature: The emergence of land change science for global environmental change and sustainability B. L. Turner, II, Eric F. Lambin, and Anette Reenberg Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20666–20671. Published online 2007 December 19. doi: 10.1073/pnas.0704119104.PMCID: PMC2409212 Letters Could genetic diversity in eastern North Pacific gray whales reflect global historic abundance? Per J. Palsbøll, Martine Bérubé, and Finn Larsen Proc Natl Acad Sci U S A. 2007 December 26; 104(52): E2. Published online 2007 December 18. doi: 10.1073/pnas.0710072105.PMCID: PMC2409264 Could genetic diversity in eastern North Pacific gray whales reflect global historic abundance? S. E. Alter and S. R. Palumbi Proc Natl Acad Sci U S A. 2007 December 26; 104(52): E3. Published online 2007 December 18. doi: 10.1073/pnas.0710472105.PMCID: PMC2409265 This Week in PNAS Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20637–20638. doi: 10.1073/iti5207104.PMCID: PMC2409201 Commentaries Structure of the measles virus H glycoprotein sheds light on an efficient vaccine Rob W. H. Ruigrok and Denis Gerlier Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20639–20640. Published online 2007 December 17. doi: 10.1073/pnas.0709995105.PMCID: PMC2409202 Synthetic iron-oxo “diamond core” mimics structure of key intermediate in methane monooxygenase catalytic cycle Thomas C. Brunold Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20641–20642. Published online 2007 December 19. doi: 10.1073/pnas.0710734105.PMCID: PMC2409203 Controlling water transport through artificial polymer/protein hybrid membranes Andreas Taubert Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20643–20644. Published online 2007 December 19. doi: 10.1073/pnas.0710864105.PMCID: PMC2409204 Launching a ubiquitination cascade at DNA breaks Xiaohong H. Yang and Lee Zou Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20645–20646. Published online 2007 December 19. doi: 10.1073/pnas.0710916105.PMCID: PMC2409205 Resolving the problem of persistence in the switch from acute to chronic inflammation Oliver Haworth and Christopher D. Buckley Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20647–20648. Published online 2007 December 18. doi: 10.1073/pnas.0710633105.PMCID: PMC2409206 New ideas on root hair growth appear from the flanks Marc R. Knight Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20649–20650. Published online 2007 December 19. doi: 10.1073/pnas.0710632105.PMCID: PMC2409207 Profiles Profile of Mark E. Davis Farooq Ahmed Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20651–20653. Published online 2007 December 18. doi: 10.1073/pnas.0704959105.PMCID: PMC2409208 Profile of George Schatz Kaspar Mossman Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20654–20655. Published online 2007 December 18. doi: 10.1073/pnas.0710466104.PMCID: PMC2409209 Profile of Christopher Miller Tinsley H. Davis Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20656–20658. Published online 2007 December 19. doi: 10.1073/pnas.0710738105.PMCID: PMC2409210 Physical Sciences Applied Mathematics Combinatorics of feedback in cellular uptake and metabolism of small molecules Sandeep Krishna, Szabolcs Semsey, and Kim Sneppen Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20815–20819. Published online 2007 December 19. doi: 10.1073/pnas.0706231105.PMCID: PMC2409224 Applied Physical Sciences Endogenous circadian rhythm in human motor activity uncoupled from circadian influences on cardiac dynamics Plamen Ch. Ivanov, Kun Hu, Michael F. Hilton, Steven A. Shea, and H. Eugene Stanley Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20702–20707. Published online 2007 December 19. doi: 10.1073/pnas.0709957104.PMCID: PMC2410066 Selection of mammalian cells based on their cell-cycle phase using dielectrophoresis Unyoung Kim, Chih-Wen Shu, Karen Y. Dane, Patrick S. Daugherty, Jean Y. J. Wang, and H. T. Soh Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20708–20712. Published online 2007 December 19. doi: 10.1073/pnas.0708760104.PMCID: PMC2410067 Chemistry A synthetic precedent for the [FeIV2(μ-O)2] diamond core proposed for methane monooxygenase intermediate Q Genqiang Xue, Dong Wang, Raymond De Hont, Adam T. Fiedler, Xiaopeng Shan, Eckard Münck, and Lawrence Que, Jr. Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20713–20718. Published online 2007 December 19. doi: 10.1073/pnas.0708516105.PMCID: PMC2409154 From the Cover: Highly permeable polymeric membranes based on the incorporation of the functional water channel protein Aquaporin Z Manish Kumar, Mariusz Grzelakowski, Julie Zilles, Mark Clark, and Wolfgang Meier Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20719–20724. Published online 2007 December 11. doi: 10.1073/pnas.0708762104.PMCID: PMC2410068 Dynamical magnetostructural properties of Anabaena ferredoxin Eduard Schreiner, Nisanth N. Nair, Rodolphe Pollet, Volker Staemmler, and Dominik Marx Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20725–20730. Published online 2007 December 18. doi: 10.1073/pnas.0706740104.PMCID: PMC2410069 Chemical mimicry of viral capsid self-assembly Arthur J. Olson, Yunfeng H. E. Hu, and Ehud Keinan Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20731–20736. Published online 2007 December 18. doi: 10.1073/pnas.0709489104.PMCID: PMC2410070 Axis-dependent anisotropy in protein unfolding from integrated nonequilibrium single-molecule experiments, analysis, and simulation Rene A. Nome, Jason Ming Zhao, Wouter D. Hoff, and Norbert F. Scherer Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20799–20804. Published online 2007 December 19. doi: 10.1073/pnas.0701281105.PMCID: PMC2410074 Biological Sciences Anthropology Recent acceleration of human adaptive evolution John Hawks, Eric T. Wang, Gregory M. Cochran, Henry C. Harpending, and Robert K. Moyzis Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20753–20758. Published online 2007 December 17. doi: 10.1073/pnas.0707650104.PMCID: PMC2410101 Biochemistry INAUGURAL ARTICLE by a Recently Elected Academy Member: CLC Cl −/H + transporters constrained by covalent cross-linking Wang Nguitragool and Christopher Miller Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20659–20665. Published online 2007 December 18. doi: 10.1073/pnas.0708639104.PMCID: PMC2409211 Ubc13/Rnf8 ubiquitin ligases control foci formation of the Rap80/Abraxas/Brca1/Brcc36 complex in response to DNA damage Bin Wang and Stephen J. Elledge Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20759–20763. Published online 2007 December 5. doi: 10.1073/pnas.0710061104.PMCID: PMC2410075 Structural basis for the high all-trans-retinaldehyde reductase activity of the tumor marker AKR1B10 Oriol Gallego, F. Xavier Ruiz, Albert Ardèvol, Marta Domínguez, Rosana Alvarez, Angel R. de Lera, Carme Rovira, Jaume Farrés, Ignacio Fita, and Xavier Parés Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20764–20769. Published online 2007 December 17. doi: 10.1073/pnas.0705659105.PMCID: PMC2410076 Thiamine biosynthesis in algae is regulated by riboswitches Martin T. Croft, Michael Moulin, Michael E. Webb, and Alison G. Smith Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20770–20775. Published online 2007 December 18. doi: 10.1073/pnas.0705786105.PMCID: PMC2410077 The product of uncI gene in F1Fo-ATP synthase operon plays a chaperone-like role to assist c-ring assembly Toshiharu Suzuki, Yoko Ozaki, Nobuhito Sone, Boris A. Feniouk, and Masasuke Yoshida Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20776–20781. Published online 2007 December 14. doi: 10.1073/pnas.0708075105.PMCID: PMC2410078 Transmembrane domains of the syndecan family of growth factor coreceptors display a hierarchy of homotypic and heterotypic interactions Ian C. Dews and Kevin R. MacKenzie Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20782–20787. Published online 2007 December 19. doi: 10.1073/pnas.0708909105.PMCID: PMC2410079 Folding trajectories of human dihydrofolate reductase inside the GroEL–GroES chaperonin cavity and free in solution Reto Horst, Wayne A. Fenton, S. Walter Englander, Kurt Wüthrich, and Arthur L. Horwich Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20788–20792. Published online 2007 December 19. doi: 10.1073/pnas.0710042105.PMCID: PMC2410080 SUMOylation of pontin chromatin-remodeling complex reveals a signal integration code in prostate cancer cells Jung Hwa Kim, Ji Min Lee, Hye Jin Nam, Hee June Choi, Jung Woo Yang, Jason S. Lee, Mi Hyang Kim, Su-Il Kim, Chin Ha Chung, Keun Il Kim, and Sung Hee Baek Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20793–20798. Published online 2007 December 17. doi: 10.1073/pnas.0710343105.PMCID: PMC2410081 Biophysics Dynamical magnetostructural properties of Anabaena ferredoxin Eduard Schreiner, Nisanth N. Nair, Rodolphe Pollet, Volker Staemmler, and Dominik Marx Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20725–20730. Published online 2007 December 18. doi: 10.1073/pnas.0706740104.PMCID: PMC2410069 Chemical mimicry of viral capsid self-assembly Arthur J. Olson, Yunfeng H. E. Hu, and Ehud Keinan Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20731–20736. Published online 2007 December 18. doi: 10.1073/pnas.0709489104.PMCID: PMC2410070 Axis-dependent anisotropy in protein unfolding from integrated nonequilibrium single-molecule experiments, analysis, and simulation Rene A. Nome, Jason Ming Zhao, Wouter D. Hoff, and Norbert F. Scherer Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20799–20804. Published online 2007 December 19. doi: 10.1073/pnas.0701281105.PMCID: PMC2410074 Molecular dynamics simulations suggest a mechanism for translocation of the HIV-1 TAT peptide across lipid membranes Henry D. Herce and Angel E. Garcia Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20805–20810. Published online 2007 December 18. doi: 10.1073/pnas.0706574105.PMCID: PMC2409222 Nanosecond electron tunneling between the hemes in cytochrome bo3 Audrius Jasaitis, Mikael P. Johansson, Mårten Wikström, Marten H. Vos, and Michael I. Verkhovsky Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20811–20814. Published online 2007 December 17. doi: 10.1073/pnas.0709876105.PMCID: PMC2409223 Cell Biology Combinatorics of feedback in cellular uptake and metabolism of small molecules Sandeep Krishna, Szabolcs Semsey, and Kim Sneppen Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20815–20819. Published online 2007 December 19. doi: 10.1073/pnas.0706231105.PMCID: PMC2409224 Differential Apaf-1 levels allow cytochrome c to induce apoptosis in brain tumors but not in normal neural tissues Carrie E. Johnson, Yolanda Y. Huang, Amanda B. Parrish, Michelle I. Smith, Allyson E. Vaughn, Qian Zhang, Kevin M. Wright, Terry Van Dyke, Robert J. Wechsler-Reya, Sally Kornbluth, and Mohanish Deshmukh Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20820–20825. Published online 2007 December 18. doi: 10.1073/pnas.0709101105.PMCID: PMC2409225 Regulation of p53 tetramerization and nuclear export by ARC Roger S.-Y. Foo, Young-Jae Nam, Marc Jason Ostreicher, Mark D. Metzl, Russell S. Whelan, Chang-Fu Peng, Anthony W. Ashton, Weimin Fu, Kartik Mani, Suet-Feung Chin, Elena Provenzano, Ian Ellis, Nichola Figg, Sarah Pinder, Martin R. Bennett, Carlos Caldas, and Richard N. Kitsis Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20826–20831. Published online 2007 December 17. doi: 10.1073/pnas.0710017104.PMCID: PMC2409226 Three-dimensional structure of cytoplasmic dynein bound to microtubules Naoko Mizuno, Akihiro Narita, Takahide Kon, Kazuo Sutoh, and Masahide Kikkawa Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20832–20837. Published online 2007 December 19. doi: 10.1073/pnas.0710406105.PMCID: PMC2409227 Chemistry A synthetic host-guest system achieves avidin-biotin affinity by overcoming enthalpy–entropy compensation Mikhail V. Rekharsky, Tadashi Mori, Cheng Yang, Young Ho Ko, N. Selvapalam, Hyunuk Kim, David Sobransingh, Angel E. Kaifer, Simin Liu, Lyle Isaacs, Wei Chen, Sarvin Moghaddam, Michael K. Gilson, Kimoon Kim, and Yoshihisa Inoue Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20737–20742. Published online 2007 December 19. doi: 10.1073/pnas.0706407105.PMCID: PMC2410071 A potent cytotoxic photoactivated platinum complex Fiona S. Mackay, Julie A. Woods, Pavla Heringová, Jana Kašpárková, Ana M. Pizarro, Stephen A. Moggach, Simon Parsons, Viktor Brabec, and Peter J. Sadler Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20743–20748. Published online 2007 December 19. doi: 10.1073/pnas.0707742105.PMCID: PMC2410072 An extended dynamical hydration shell around proteins Simon Ebbinghaus, Seung Joong Kim, Matthias Heyden, Xin Yu, Udo Heugen, Martin Gruebele, David M. Leitner, and Martina Havenith Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20749–20752. Published online 2007 December 19. doi: 10.1073/pnas.0709207104.PMCID: PMC2410073 Developmental Biology Embryonic stromal clones reveal developmental regulators of definitive hematopoietic stem cells Charles Durand, Catherine Robin, Karine Bollerot, Margaret H. Baron, Katrin Ottersbach, and Elaine Dzierzak Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20838–20843. Published online 2007 December 17. doi: 10.1073/pnas.0706923105.PMCID: PMC2409228 An intragenic MEF2-dependent enhancer directs muscle-specific expression of microRNAs 1 and 133 Ning Liu, Andrew H. Williams, Yuri Kim, John McAnally, Svetlana Bezprozvannaya, Lillian B. Sutherland, James A. Richardson, Rhonda Bassel-Duby, and Eric N. Olson Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20844–20849. Published online 2007 December 19. doi: 10.1073/pnas.0710558105.PMCID: PMC2409229 Site-directed, virus-free, and inducible RNAi in embryonic stem cells Jianlong Wang, Thorold W. Theunissen, and Stuart H. Orkin Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20850–20855. Published online 2007 December 18. doi: 10.1073/pnas.0710565105.PMCID: PMC2409230 Ecology From The Cover:Land Change Science Special Feature: Incorporating plant functional diversity effects in ecosystem service assessments Sandra Díaz, Sandra Lavorel, Francesco de Bello, Fabien Quétier, Karl Grigulis, and T. Matthew Robson Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20684–20689. Published online 2007 December 19. doi: 10.1073/pnas.0704716104.PMCID: PMC2410063 Trophic ecology of invasive Argentine ants in their native and introduced ranges Chadwick V. Tillberg, David A. Holway, Edward G. LeBrun, and Andrew V. Suarez Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20856–20861. Published online 2007 December 19. doi: 10.1073/pnas.0706903105.PMCID: PMC2409231 Spatial heterogeneity of mesopredator release within an oceanic island system Matt J. Rayner, Mark E. Hauber, Michael J. Imber, Rosalie K. Stamp, and Mick N. Clout Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20862–20865. Published online 2007 December 14. doi: 10.1073/pnas.0707414105.PMCID: PMC2409232 Cold- and exercise-induced peak metabolic rates in tropical birds Popko Wiersma, Mark A. Chappell, and Joseph B. Williams Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20866–20871. Published online 2007 December 18. doi: 10.1073/pnas.0707683104.PMCID: PMC2409233 Genetics Association of yeast Upf1p with direct substrates of the NMD pathway Marcus J. O. Johansson, Feng He, Phyllis Spatrick, Chunfang Li, and Allan Jacobson Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20872–20877. Published online 2007 December 17. doi: 10.1073/pnas.0709257105.PMCID: PMC2409234 Immunology Therapeutic B cell depletion impairs adaptive and autoreactive CD4+ T cell activation in mice Jean-David Bouaziz, Koichi Yanaba, Guglielmo M. Venturi, Yaming Wang, Roland M. Tisch, Jonathan C. Poe, and Thomas F. Tedder Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20878–20883. Published online 2007 December 19. doi: 10.1073/pnas.0709205105.PMCID: PMC2409235 Circulating tumor antigen-specific regulatory T cells in patients with metastatic melanoma Luis Vence, A. Karolina Palucka, Joseph W. Fay, Tomoki Ito, Yong-Jun Liu, Jacques Banchereau, and Hideki Ueno Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20884–20889. Published online 2007 December 18. doi: 10.1073/pnas.0710557105.PMCID: PMC2409236 Medical Sciences Endogenous circadian rhythm in human motor activity uncoupled from circadian influences on cardiac dynamics Plamen Ch. Ivanov, Kun Hu, Michael F. Hilton, Steven A. Shea, and H. Eugene Stanley Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20702–20707. Published online 2007 December 19. doi: 10.1073/pnas.0709957104.PMCID: PMC2410066 The lipodystrophy protein seipin is found at endoplasmic reticulum lipid droplet junctions and is important for droplet morphology Kimberly M. Szymanski, Derk Binns, René Bartz, Nick V. Grishin, Wei-Ping Li, Anil K. Agarwal, Abhimanyu Garg, Richard G. W. Anderson, and Joel M. Goodman Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20890–20895. Published online 2007 December 18. doi: 10.1073/pnas.0704154104.PMCID: PMC2409237 An extremes of outcome strategy provides evidence that multiple sclerosis severity is determined by alleles at the HLA-DRB1 locus G. C. DeLuca, S. V. Ramagopalan, B. M. Herrera, D. A. Dyment, M. R. Lincoln, A. Montpetit, M. Pugliatti, M. C. N. Barnardo, N. J. Risch, A. D. Sadovnick, M. Chao, S. Sotgiu, T. J. Hudson, and G. C. Ebers Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20896–20901. Published online 2007 December 17. doi: 10.1073/pnas.0707731105.PMCID: PMC2409238 Defects in XRCC4 and KU80 differentially affect the joining of distal nonhomologous ends Josée Guirouilh-Barbat, Emilie Rass, Isabelle Plo, Pascale Bertrand, and Bernard S. Lopez Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20902–20907. Published online 2007 December 18. doi: 10.1073/pnas.0708541104.PMCID: PMC2409239 Prion strain discrimination in cell culture: The cell panel assay Sukhvir P. Mahal, Christopher A. Baker, Cheryl A. Demczyk, Emery W. Smith, Christian Julius, and Charles Weissmann Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20908–20913. Published online 2007 December 11. doi: 10.1073/pnas.0710054104.PMCID: PMC2409240 Prion detection by an amyloid seeding assay David W. Colby, Qiang Zhang, Shuyi Wang, Darlene Groth, Giuseppe Legname, Detlev Riesner, and Stanley B. Prusiner Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20914–20919. Published online 2007 December 20. doi: 10.1073/pnas.0710152105.PMCID: PMC2409241 Embryonic stem cell-derived tissues are immunogenic but their inherent immune privilege promotes the induction of tolerance Nathan J. Robertson, Frances A. Brook, Richard L. Gardner, Stephen P. Cobbold, Herman Waldmann, and Paul J. Fairchild Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20920–20925. Published online 2007 December 18. doi: 10.1073/pnas.0710265105.PMCID: PMC2409242 Enhanced sensitivity to IGF-II signaling links loss of imprinting of IGF2 to increased cell proliferation and tumor risk Atsushi Kaneda, Chiaochun J. Wang, Raymond Cheong, Winston Timp, Patrick Onyango, Bo Wen, Christine A. Iacobuzio-Donahue, Rolf Ohlsson, Rita Andraos, Mark A. Pearson, Alexei A. Sharov, Dan L. Longo, Minoru S. H. Ko, Andre Levchenko, and Andrew P. Feinberg Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20926–20931. Published online 2007 December 17. doi: 10.1073/pnas.0710359105.PMCID: PMC2409243 MET amplification occurs with or without T790M mutations in EGFR mutant lung tumors with acquired resistance to gefitinib or erlotinib James Bean, Cameron Brennan, Jin-Yuan Shih, Gregory Riely, Agnes Viale, Lu Wang, Dhananjay Chitale, Noriko Motoi, Janos Szoke, Stephen Broderick, Marissa Balak, Wen-Cheng Chang, Chong-Jen Yu, Adi Gazdar, Harvey Pass, Valerie Rusch, William Gerald, Shiu-Feng Huang, Pan-Chyr Yang, Vincent Miller, Marc Ladanyi, Chih-Hsin Yang, and William Pao Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20932–20937. Published online 2007 December 18. doi: 10.1073/pnas.0710370104.PMCID: PMC2409244 Staged in vitro reconstitution and implantation of engineered rat kidney tissue E. Rosines, R. V. Sampogna, K. Johkura, D. A. Vaughn, Y. Choi, H. Sakurai, M. M. Shah, and S. K. Nigam Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20938–20943. Published online 2007 December 17. doi: 10.1073/pnas.0710428105.PMCID: PMC2409245 GABAA-current rundown of temporal lobe epilepsy is associated with repetitive activation of GABAA “phasic” receptors Eleonora Palma, Cristina Roseti, Francesca Maiolino, Sergio Fucile, Katiuscia Martinello, Manuela Mazzuferi, Eleonora Aronica, Mario Manfredi, Vincenzo Esposito, Gianpaolo Cantore, Ricardo Miledi, Michele Simonato, and Fabrizio Eusebi Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20944–20948. Published online 2007 December 14. doi: 10.1073/pnas.0710522105.PMCID: PMC2409246 Microbiology Identification of H2N3 influenza A viruses from swine in the United States Wenjun Ma, Amy L. Vincent, Marie R. Gramer, Christy B. Brockwell, Kelly M. Lager, Bruce H. Janke, Phillip C. Gauger, Devi P. Patnayak, Richard J. Webby, and Jürgen A. Richt Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20949–20954. Published online 2007 December 18. doi: 10.1073/pnas.0710286104.PMCID: PMC2409247 Neuroscience Amygdala depotentiation and fear extinction Jeongyeon Kim, Sukwon Lee, Kyungjoon Park, Ingie Hong, Beomjong Song, Gihoon Son, Heewoo Park, Woon Ryoung Kim, Eunjin Park, Han Kyung Choe, Hyun Kim, Changjoong Lee, Woong Sun, Kyungjin Kim, Ki Soon Shin, and Sukwoo Choi Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20955–20960. Published online 2007 December 26. doi: 10.1073/pnas.0710548105.PMCID: PMC2409248 Evoked brain responses are generated by feedback loops Marta I. Garrido, James M. Kilner, Stefan J. Kiebel, and Karl J. Friston Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20961–20966. Published online 2007 December 17. doi: 10.1073/pnas.0706274105.PMCID: PMC2409249 Evidence for a vascular contribution to diffusion FMRI at high b value Karla L. Miller, Daniel P. Bulte, Hannah Devlin, Matthew D. Robson, Richard G. Wise, Mark W. Woolrich, Peter Jezzard, and Timothy E. J. Behrens Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20967–20972. Published online 2007 December 19. doi: 10.1073/pnas.0707257105.PMCID: PMC2409250 Nck adaptor proteins control the organization of neuronal circuits important for walking James P. Fawcett, John Georgiou, Julie Ruston, Friedhelm Bladt, Andrew Sherman, Neil Warner, Bechara J. Saab, Rizaldy Scott, John C. Roder, and Tony Pawson Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20973–20978. Published online 2007 December 18. doi: 10.1073/pnas.0710316105.PMCID: PMC2409251 Pharmacology From the Cover: Hematopoietic prostaglandin D2 synthase controls the onset and resolution of acute inflammation through PGD2 and 15-deoxyΔ12–14 PGJ2 Ravindra Rajakariar, Mark Hilliard, Toby Lawrence, Seema Trivedi, Paul Colville-Nash, Geoff Bellingan, Desmond Fitzgerald, Muhammad M. Yaqoob, and Derek W. Gilroy Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20979–20984. Published online 2007 December 5. doi: 10.1073/pnas.0707394104.PMCID: PMC2409252 Physiology Universal scaling law of electrical turbulence in the mammalian heart Sami F. Noujaim, Omer Berenfeld, Jérôme Kalifa, Marina Cerrone, Kumaraswamy Nanthakumar, Felipe Atienza, Javier Moreno, Sergey Mironov, and José Jalife Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20985–20989. Published online 2007 December 18. doi: 10.1073/pnas.0709758104.PMCID: PMC2409253 Mutation of an A-kinase-anchoring protein causes long-QT syndrome Lei Chen, Michelle L. Marquardt, David J. Tester, Kevin J. Sampson, Michael J. Ackerman, and Robert S. Kass Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20990–20995. Published online 2007 December 19. doi: 10.1073/pnas.0710527105.PMCID: PMC2409254 Plant Biology From the Cover: Oscillations in extracellular pH and reactive oxygen species modulate tip growth of Arabidopsis root hairs G. B. Monshausen, T. N. Bibikova, M. A. Messerli, C. Shi, and S. Gilroy Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20996–21001. Published online 2007 December 13. doi: 10.1073/pnas.0708586104.PMCID: PMC2409255 Arabidopsis CBF1 and CBF3 have a different function than CBF2 in cold acclimation and define different gene classes in the CBF regulon Fernando Novillo, Joaquín Medina, and Julio Salinas Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 21002–21007. Published online 2007 December 19. doi: 10.1073/pnas.0705639105.PMCID: PMC2409256 The subunit composition of hinokiresinol synthase controls geometrical selectivity in norlignan formation Shiro Suzuki, Masaomi Yamamura, Takefumi Hattori, Tomoyuki Nakatsubo, and Toshiaki Umezawa Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 21008–21013. Published online 2007 December 19. doi: 10.1073/pnas.0710357105.PMCID: PMC2409257 Psychology Global topological dominance in the left hemisphere Bo Wang, Tian Gang Zhou, Yan Zhuo, and Lin Chen Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 21014–21019. Published online 2007 December 18. doi: 10.1073/pnas.0709664104.PMCID: PMC2409258 Sustainability Science The evolution of urban sprawl: Evidence of spatial heterogeneity and increasing land fragmentation Elena G. Irwin and Nancy E. Bockstael Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20672–20677. Published online 2007 December 19. doi: 10.1073/pnas.0705527105.PMCID: PMC2410062 From The Cover:Land Change Science Special Feature: Incorporating plant functional diversity effects in ecosystem service assessments Sandra Díaz, Sandra Lavorel, Francesco de Bello, Fabien Quétier, Karl Grigulis, and T. Matthew Robson Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20684–20689. Published online 2007 December 19. doi: 10.1073/pnas.0704716104.PMCID: PMC2410063 From The Cover:Land Change Science Special Feature: Learning from episodes of degradation and recovery in variable Australian rangelands D. Mark Stafford Smith, Greg M. McKeon, Ian W. Watson, Beverley K. Henry, Grant S. Stone, Wayne B. Hall, and S. Mark Howden Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20690–20695. Published online 2007 December 19. doi: 10.1073/pnas.0704837104.PMCID: PMC2410064 From The Cover:Land Change Science Special Feature: Ecological feedbacks following deforestation create the potential for a catastrophic ecosystem shift in tropical dry forest Deborah Lawrence, Paolo D'Odorico, Lucy Diekmann, Marcia DeLonge, Rishiraj Das, and James Eaton Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20696–20701. Published online 2007 December 19. doi: 10.1073/pnas.0705005104.PMCID: PMC2410065 Social Sciences Anthropology Recent acceleration of human adaptive evolution John Hawks, Eric T. Wang, Gregory M. Cochran, Henry C. Harpending, and Robert K. Moyzis Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20753–20758. Published online 2007 December 17. doi: 10.1073/pnas.0707650104.PMCID: PMC2410101 Sustainability Science From The Cover:Land Change Science Special Feature: Learning from episodes of degradation and recovery in variable Australian rangelands D. Mark Stafford Smith, Greg M. McKeon, Ian W. Watson, Beverley K. Henry, Grant S. Stone, Wayne B. Hall, and S. Mark Howden Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20690–20695. Published online 2007 December 19. doi: 10.1073/pnas.0704837104.PMCID: PMC2410064 Social Sciences The evolution of urban sprawl: Evidence of spatial heterogeneity and increasing land fragmentation Elena G. Irwin and Nancy E. Bockstael Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 20672–20677. Published online 2007 December 19. doi: 10.1073/pnas.0705527105.PMCID: PMC2410062 Corrections Correction for Jones, Calcium channels in higher-level brain function Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 21020. Published online 2007 December 17. doi: 10.1073/pnas.0711056105.PMCID: PMC2409259 Corrects: Edward G. Jones. Calcium channels in higher-level brain function. Proc Natl Acad Sci U S A. 2007 November 13; 104(46): 17903–17904. Correction for Calabrese et al., RNA sequence analysis defines Dicer's role in mouse embryonic stem cells Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 21021. Published online 2007 December 14. doi: 10.1073/pnas.0711071105.PMCID: PMC2409260 Corrects: J. Mauro Calabrese, et al. RNA sequence analysis defines Dicer's role in mouse embryonic stem cells. Proc Natl Acad Sci U S A. 2007 November 13; 104(46): 18097–18102. Correction for Rohde and Price, Diffusion-controlled metabolism for long-term survival of single isolated microorganisms trapped within ice crystals Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 21021. Published online 2007 December 14. doi: 10.1073/pnas.0710898105.PMCID: PMC2409261 Corrects: Robert A. Rohde, et al. From the Cover: Diffusion-controlled metabolism for long-term survival of single isolated microorganisms trapped within ice crystals. Proc Natl Acad Sci U S A. 2007 October 16; 104(42): 16592–16597. Correction for Liu et al., Activation of tissue transglutaminase transcription by histone deacetylase inhibition as a therapeutic approach for Myc oncogenesis Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 21021. Published online 2007 December 14. doi: 10.1073/pnas.0711060105.PMCID: PMC2409262 Corrects: Tao Liu, et al. Activation of tissue transglutaminase transcription by histone deacetylase inhibition as a therapeutic approach for Myc oncogenesis. Proc Natl Acad Sci U S A. 2007 November 20; 104(47): 18682–18687. Correction for Berndt et al., Evidence for a signaling axis by which intestinal phosphate rapidly modulates renal phosphate reabsorption Proc Natl Acad Sci U S A. 2007 December 26; 104(52): 21021. Published online 2007 December 14. doi: 10.1073/pnas.0711057105.PMCID: PMC2409263 Corrects: Theresa Berndt, et al. Evidence for a signaling axis by which intestinal phosphate rapidly modulates renal phosphate reabsorption. Proc Natl Acad Sci U S A. 2007 June 26; 104(26): 11085–11090. |