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THIS WEEK IN PNAS

In This Issue
PNAS 2007 104: 13853-13854. [Full Text] [PDF]  

COMMENTARIES

Eric Beitz

Jammed traffic impedes parasite growth
PNAS 2007 104: 13855-13856; published online before print August 20 2007, 10.1073/pnas.0706632104 [Extract] [Full Text] [Figures Only] [PDF]  
See companion article on page 12560 in issue 30 of volume 104

Steven Gerard Clarke

HIV protease inhibitors and nuclear lamin processing: Getting the right bells and whistles
PNAS 2007 104: 13857-13858; published online before print August 20 2007, 10.1073/pnas.0706529104 [Extract] [Full Text] [Figures Only] [PDF]  
See companion article on page 13432 in issue 33 of volume 104

Xiangzhong Yang and Mark G. Carter

Transgenic animal bioreactors: A new line of defense against chemical weapons?
PNAS 2007 104: 13859-13860; published online before print August 22 2007, 10.1073/pnas.0706163104 [Extract] [Full Text] [PDF]  
See companion article on page 13603 in issue 34 of volume 104

REVIEWS

David Premack

Human and animal cognition: Continuity and discontinuity
PNAS 2007 104: 13861-13867; published online before print August 23 2007, 10.1073/pnas.0706147104 [Abstract] [Full Text] [PDF]  

PHYSICAL SCIENCES

Applied Mathematics

Y. Rastigejev, M. P. Brenner, and D. J. Jacob

Spatial reduction algorithm for atmospheric chemical transport models
PNAS 2007 104: 13875-13880; published online before print August 22 2007, 10.1073/pnas.0705649104 [Abstract] [Full Text] [Figures Only] [PDF]  

Chemistry

Jody L. Major, Giacomo Parigi, Claudio Luchinat, and Thomas J. Meade

The synthesis and in vitro testing of a zinc-activated MRI contrast agent
PNAS 2007 104: 13881-13886; published online before print August 27 2007, 10.1073/pnas.0706247104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Tae Hyeon Yoo, A. James Link, and David A. Tirrell

Evolution of a fluorinated green fluorescent protein
PNAS 2007 104: 13887-13890; published online before print August 23 2007, 10.1073/pnas.0701904104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Engineering

Christopher B. Rohde, Fei Zeng, Ricardo Gonzalez-Rubio, Matthew Angel, and Mehmet Fatih Yanik

Microfluidic system for on-chip high-throughput whole-animal sorting and screening at subcellular resolution
PNAS 2007 104: 13891-13895; published online before print August 21 2007, 10.1073/pnas.0706513104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Movie]  

Mathematics

Kefeng Liu and Hao Xu

New results of intersection numbers on moduli spaces of curves
PNAS 2007 104: 13896-13900; published online before print August 16 2007, 10.1073/pnas.0705910104 [Abstract] [Full Text] [PDF]  

SOCIAL SCIENCES

Psychology

BIOLOGICAL SCIENCES

Agricultural Sciences

Jiang Chen, Gang Hua, Juan Luis Jurat-Fuentes, Mohd Amir Abdullah, and Michael J. Adang

Synergism of Bacillus thuringiensis toxins by a fragment of a toxin-binding cadherin
PNAS 2007 104: 13901-13906; published online before print August 27 2007, 10.1073/pnas.0706011104 [Abstract] [Full Text] [Figures Only] [PDF]  

Applied Biological Sciences

Andreas C. Kleeb, Maryam Hansson Edalat, Marianne Gamper, Johannes Haugstetter, Lars Giger, Martin Neuenschwander, Peter Kast, and Donald Hilvert

Metabolic engineering of a genetic selection system with tunable stringency
PNAS 2007 104: 13907-13912; published online before print August 22 2007, 10.1073/pnas.0705379104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Text]  

E. D. Harrington, A. H. Singh, T. Doerks, I. Letunic, C. von Mering, L. J. Jensen, J. Raes, and P. Bork

Quantitative assessment of protein function prediction from metagenomics shotgun sequences
PNAS 2007 104: 13913-13918; published online before print August 23 2007, 10.1073/pnas.0702636104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Biochemistry

Valentina A. Shchedrina, Sergey V. Novoselov, Mikalai Yu. Malinouski, and Vadim N. Gladyshev

Identification and characterization of a selenoprotein family containing a diselenide bond in a redox motif
PNAS 2007 104: 13919-13924; published online before print August 22 2007, 10.1073/pnas.0703448104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Xin Tan, Michiyo Mizuuchi, and Kiyoshi Mizuuchi DNA transposition target immunity and the determinants of the MuB distribution patterns on DNA PNAS 2007 104: 13925-13929; published online before print August 20 2007, 10.1073/pnas.0706564104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Movie] OPEN ACCESS ARTICLE

Ashwini K. Mishra, Laxman Gangwani, Roger J. Davis, and David G. Lambright

Structural insights into the interaction of the evolutionarily conserved ZPR1 domain tandem with eukaryotic EF1A, receptors, and SMN complexes
PNAS 2007 104: 13930-13935; published online before print August 17 2007, 10.1073/pnas.0704915104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Simon Newstead, Hyun Kim, Gunnar von Heijne, So Iwata, and David Drew

High-throughput fluorescent-based optimization of eukaryotic membrane protein overexpression and purification in Saccharomyces cerevisiae
PNAS 2007 104: 13936-13941; published online before print August 20 2007, 10.1073/pnas.0704546104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Christoph Parthier, Martin Kleinschmidt, Piotr Neumann, Rainer Rudolph, Susanne Manhart, Dagmar Schlenzig, Jörg Fanghänel, Jens-Ulrich Rahfeld, Hans-Ulrich Demuth, and Milton T. Stubbs

Crystal structure of the incretin-bound extracellular domain of a G protein-coupled receptor
PNAS 2007 104: 13942-13947; published online before print August 21 2007, 10.1073/pnas.0706404104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Biophysics

Grigory Kolesov, Zeba Wunderlich, Olga N. Laikova, Mikhail S. Gelfand, and Leonid A. Mirny

How gene order is influenced by the biophysics of transcription regulation
PNAS 2007 104: 13948-13953; published online before print August 20 2007, 10.1073/pnas.0700672104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Wei Cheng, Sophie Dumont, Ignacio Tinoco, Jr., and Carlos Bustamante From the Cover: NS3 helicase actively separates RNA strands and senses sequence barriers ahead of the opening fork PNAS 2007 104: 13954-13959; published online before print August 20 2007, 10.1073/pnas.0702315104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Thomas Wollert, Dirk W. Heinz, and Wolf-Dieter Schubert

Thermodynamically reengineering the listerial invasion complex InlA/E-cadherin
PNAS 2007 104: 13960-13965; published online before print August 22 2007, 10.1073/pnas.0702199104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Cell Biology

Åke Oldberg, Sebastian Kalamajski, Alexei V. Salnikov, Linda Stuhr, Matthias Mörgelin, Rolf K. Reed, Nils-Erik Heldin, and Kristofer Rubin

Collagen-binding proteoglycan fibromodulin can determine stroma matrix structure and fluid balance in experimental carcinoma
PNAS 2007 104: 13966-13971; published online before print August 22 2007, 10.1073/pnas.0702014104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Marko Stefanovic, Nicholas O. Markham, Erin M. Parry, Lisa J. Garrett-Beal, Amanda P. Cline, Patrick G. Gallagher, Philip S. Low, and David M. Bodine An 11-amino acid -hairpin loop in the cytoplasmic domain of band 3 is responsible for ankyrin binding in mouse erythrocytes PNAS 2007 104: 13972-13977; published online before print August 22 2007, 10.1073/pnas.0706266104 [Abstract] [Full Text] [Figures Only] [PDF] OPEN ACCESS ARTICLE

Yoann Maréchal, Xavier Pesesse, Yonghui Jia, Valérie Pouillon, David Pérez-Morga, Julien Daniel, Shozo Izui, Peter J. Cullen, Oberdan Leo, Hongbo R. Luo, Christophe Erneux, and Stéphane Schurmans

Inositol 1,3,4,5-tetrakisphosphate controls proapoptotic Bim gene expression and survival in B cells
PNAS 2007 104: 13978-13983; published online before print August 20 2007, 10.1073/pnas.0704312104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Thierry Passeron, Julio C. Valencia, Corine Bertolotto, Toshihiko Hoashi, Elodie Le Pape, Kaoruko Takahashi, Robert Ballotti, and Vincent J. Hearing

SOX9 is a key player in ultraviolet B-induced melanocyte differentiation and pigmentation
PNAS 2007 104: 13984-13989; published online before print August 16 2007, 10.1073/pnas.0705117104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Developmental Biology

Jing Liu, Sherri D. Fraser, Patrick W. Faloon, Evvi Lynn Rollins, Johannes Vom Berg, Olivera Starovic-Subota, Angie L. Laliberte, Jau-Nian Chen, Fabrizio C. Serluca, and Sarah J. Childs

A Pix–Pak2a signaling pathway regulates cerebral vascular stability in zebrafish
PNAS 2007 104: 13990-13995; published online before print June 15 2007, 10.1073/pnas.0700825104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

David A. Buchner, Fengyun Su, Jennifer S. Yamaoka, Makoto Kamei, Jordan A. Shavit, Linda K. Barthel, Beth McGee, Julio D. Amigo, Seongcheol Kim, Andrew W. Hanosh, Pudur Jagadeeswaran, Daniel Goldman, Nathan D. Lawson, Pamela A. Raymond, Brant M. Weinstein, David Ginsburg, and Susan E. Lyons From the Cover: pak2a mutations cause cerebral hemorrhage in redhead zebrafish PNAS 2007 104: 13996-14001; published online before print August 22 2007, 10.1073/pnas.0700947104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Konstantinos Zarbalis, Julie A. Siegenthaler, Youngshik Choe, Scott R. May, Andrew S. Peterson, and Samuel J. Pleasure

Cortical dysplasia and skull defects in mice with a Foxc1 allele reveal the role of meningeal differentiation in regulating cortical development
PNAS 2007 104: 14002-14007; published online before print August 21 2007, 10.1073/pnas.0702618104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figure]  

Haibo Jia, Isabelle N. King, Sameer S. Chopra, Haiyan Wan, Terri T. Ni, Charlie Jiang, Xiaoqun Guan, Sam Wells, Deepak Srivastava, and Tao P. Zhong

Vertebrate heart growth is regulated by functional antagonism between Gridlock and Gata5
PNAS 2007 104: 14008-14013; published online before print August 21 2007, 10.1073/pnas.0702240104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Environmental Sciences

Adrien C. Finzi, Richard J. Norby, Carlo Calfapietra, Anne Gallet-Budynek, Birgit Gielen, William E. Holmes, Marcel R. Hoosbeek, Colleen M. Iversen, Robert B. Jackson, Mark E. Kubiske, Joanne Ledford, Marion Liberloo, Ram Oren, Andrea Polle, Seth Pritchard, Donald R. Zak, William H. Schlesinger, and Reinhart Ceulemans

Increases in nitrogen uptake rather than nitrogen-use efficiency support higher rates of temperate forest productivity under elevated CO₂
PNAS 2007 104: 14014-14019; published online before print August 20 2007, 10.1073/pnas.0706518104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Tables]  

Evolution

Laksana Kantama, Timothy F. Sharbel, M. Eric Schranz, Thomas Mitchell-Olds, Sacco de Vries, and Hans de Jong

Diploid apomicts of the Boechera holboellii complex display large-scale chromosome substitutions and aberrant chromosomes
PNAS 2007 104: 14026-14031; published online before print August 17 2007, 10.1073/pnas.0706647104 [Abstract] [Full Text] [Figures Only] [PDF]  

Genetics

Christopher B. Rohde, Fei Zeng, Ricardo Gonzalez-Rubio, Matthew Angel, and Mehmet Fatih Yanik

Microfluidic system for on-chip high-throughput whole-animal sorting and screening at subcellular resolution
PNAS 2007 104: 13891-13895; published online before print August 21 2007, 10.1073/pnas.0706513104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Movie]  

Peggy Regulus, Benoit Duroux, Pierre-Alain Bayle, Alain Favier, Jean Cadet, and Jean-Luc Ravanat

Oxidation of the sugar moiety of DNA by ionizing radiation or bleomycin could induce the formation of a cluster DNA lesion
PNAS 2007 104: 14032-14037; published online before print August 22 2007, 10.1073/pnas.0706044104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Victoria Martín, Li-Lin Du, Sophie Rozenzhak, and Paul Russell

Protection of telomeres by a conserved Stn1–Ten1 complex
PNAS 2007 104: 14038-14043; published online before print August 22 2007, 10.1073/pnas.0705497104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Héctor Rincón-Arano, Mayra Furlan-Magaril, and Félix Recillas-Targa

Protection against telomeric position effects by the chicken cHS4 -globin insulator
PNAS 2007 104: 14044-14049; published online before print August 21 2007, 10.1073/pnas.0704999104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Immunology

Nao Jounai, Fumihiko Takeshita, Kouji Kobiyama, Asako Sawano, Atsushi Miyawaki, Ke-Qin Xin, Ken J. Ishii, Taro Kawai, Shizuo Akira, Koichi Suzuki, and Kenji Okuda

The Atg5–Atg12 conjugate associates with innate antiviral immune responses
PNAS 2007 104: 14050-14055; published online before print August 20 2007, 10.1073/pnas.0704014104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Medical Sciences

Angela C. Hirbe, Jessica Rubin, Özge Uluçkan, Elizabeth A. Morgan, Mark C. Eagleton, Julie L. Prior, David Piwnica-Worms, and Katherine N. Weilbaecher

Disruption of CXCR4 enhances osteoclastogenesis and tumor growth in bone
PNAS 2007 104: 14062-14067; published online before print August 22 2007, 10.1073/pnas.0705203104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Claudia Bearzi, Marcello Rota, Toru Hosoda, Jochen Tillmanns, Angelo Nascimbene, Antonella De Angelis, Saori Yasuzawa-Amano, Irina Trofimova, Robert W. Siggins, Nicole LeCapitaine, Stefano Cascapera, Antonio P. Beltrami, David A. D'Alessandro, Elias Zias, Federico Quaini, Konrad Urbanek, Robert E. Michler, Roberto Bolli, Jan Kajstura, Annarosa Leri, and Piero Anversa

Human cardiac stem cells
PNAS 2007 104: 14068-14073; published online before print August 20 2007, 10.1073/pnas.0706760104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Nicole H. Purcell, Benjamin J. Wilkins, Allen York, Marc K. Saba-El-Leil, Sylvain Meloche, Jeffrey Robbins, and Jeffery D. Molkentin

Genetic inhibition of cardiac ERK1/2 promotes stress-induced apoptosis and heart failure but has no effect on hypertrophy in vivo
PNAS 2007 104: 14074-14079; published online before print August 20 2007, 10.1073/pnas.0610906104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

M. Gray, K. Miles, D. Salter, D. Gray, and J. Savill

Apoptotic cells protect mice from autoimmune inflammation by the induction of regulatory B cells
PNAS 2007 104: 14080-14085; published online before print August 21 2007, 10.1073/pnas.0700326104 [Abstract] [Full Text] [Figures Only] [PDF]  

Microbiology

R. Thane Papke, Olga Zhaxybayeva, Edward J. Feil, Katrin Sommerfeld, Denise Muise, and W. Ford Doolittle

Searching for species in haloarchaea
PNAS 2007 104: 14092-14097; published online before print August 21 2007, 10.1073/pnas.0706358104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Brigitte Morand and Kathrin Mühlemann Heteroresistance to penicillin in Streptococcus pneumoniae PNAS 2007 104: 14098-14103; published online before print August 17 2007, 10.1073/pnas.0702377104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures] OPEN ACCESS ARTICLE

Neuroscience

Thiruma V. Arumugam, Sung-Chun Tang, Justin D. Lathia, Aiwu Cheng, Mohamed R. Mughal, Srinivasulu Chigurupati, Tim Magnus, Sic L. Chan, Dong-Gyu Jo, Xin Ouyang, David P. Fairlie, Daniel N. Granger, Alexander Vortmeyer, Milan Basta, and Mark P. Mattson

Intravenous immunoglobulin (IVIG) protects the brain against experimental stroke by preventing complement-mediated neuronal cell death
PNAS 2007 104: 14104-14109; published online before print August 21 2007, 10.1073/pnas.0700506104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Yuchen Jiao, Seok Jun Moon, and Craig Montell From the Cover: A Drosophila gustatory receptor required for the responses to sucrose, glucose, and maltose identified by mRNA tagging PNAS 2007 104: 14110-14115; published online before print August 22 2007, 10.1073/pnas.0702421104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]

Peter Naur, Kasper B. Hansen, Anders S. Kristensen, Shashank M. Dravid, Darryl S. Pickering, Lars Olsen, Bente Vestergaard, Jan Egebjerg, Michael Gajhede, Stephen F. Traynelis, and Jette S. Kastrup

Ionotropic glutamate-like receptor 2 binds D-serine and glycine
PNAS 2007 104: 14116-14121; published online before print August 21 2007, 10.1073/pnas.0703718104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Sudipta Saraswati, Bill Adolfsen, and J. Troy Littleton

Characterization of the role of the Synaptotagmin family as calcium sensors in facilitation and asynchronous neurotransmitter release
PNAS 2007 104: 14122-14127; published online before print August 20 2007, 10.1073/pnas.0706711104 [Abstract] [Full Text] [Figures Only] [PDF]  

Alicia Izquierdo, Timothy K. Newman, J. Dee Higley, and Elisabeth A. Murray Genetic modulation of cognitive flexibility and socioemotional behavior in rhesus monkeys PNAS 2007 104: 14128-14133; published online before print August 21 2007, 10.1073/pnas.0706583104 [Abstract] [Full Text] [Figures Only] [PDF] OPEN ACCESS ARTICLE

Antoine Brémaud, David C. West, and Alex M. Thomson Binomial parameters differ across neocortical layers and with different classes of connections in adult rat and cat neocortex PNAS 2007 104: 14134-14139; published online before print August 16 2007, 10.1073/pnas.0705661104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Baiping Wang, Li Yang, Zilai Wang, and Hui Zheng

Amyolid precursor protein mediates presynaptic localization and activity of the high-affinity choline transporter
PNAS 2007 104: 14140-14145; published online before print August 20 2007, 10.1073/pnas.0704070104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Keith Tully, Yan Li, Evgeny Tsvetkov, and Vadim Y. Bolshakov

Norepinephrine enables the induction of associative long-term potentiation at thalamo-amygdala synapses
PNAS 2007 104: 14146-14150; published online before print August 20 2007, 10.1073/pnas.0704621104 [Abstract] [Full Text] [Figures Only] [PDF]  

Jyoti K. Jaiswal, Marina Fix, Takahiro Takano, Maiken Nedergaard, and Sanford M. Simon

Resolving vesicle fusion from lysis to monitor calcium-triggered lysosomal exocytosis in astrocytes
PNAS 2007 104: 14151-14156; published online before print August 21 2007, 10.1073/pnas.0704935104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Per Zetterström, Heather G. Stewart, Daniel Bergemalm, P. Andreas Jonsson, Karin S. Graffmo, Peter M. Andersen, Thomas Brännström, Mikael Oliveberg, and Stefan L. Marklund

Soluble misfolded subfractions of mutant superoxide dismutase-1s are enriched in spinal cords throughout life in murine ALS models
PNAS 2007 104: 14157-14162; published online before print August 21 2007, 10.1073/pnas.0700477104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Hirokazu Fukui, Francisca Diaz, Sofia Garcia, and Carlos T. Moraes

Cytochrome c oxidase deficiency in neurons decreases both oxidative stress and amyloid formation in a mouse model of Alzheimer's disease
PNAS 2007 104: 14163-14168; published online before print August 21 2007, 10.1073/pnas.0705738104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Plant Biology

Yutaka Sato, Ryouhei Morita, Minoru Nishimura, Hiroyasu Yamaguchi, and Makoto Kusaba

Mendel's green cotyledon gene encodes a positive regulator of the chlorophyll-degrading pathway
PNAS 2007 104: 14169-14174; published online before print August 20 2007, 10.1073/pnas.0705521104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]