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THIS WEEK IN PNAS

In This Issue
PNAS 2007 104: 13533-13534. [Full Text] [PDF]  

COMMENTARIES

Marcus S. Cooke and Mark D. Evans

8-Oxo-deoxyguanosine: Reduce, reuse, recycle?
PNAS 2007 104: 13535-13536; published online before print August 15 2007, 10.1073/pnas.0706878104 [Extract] [Full Text] [Figures Only] [PDF]  
See companion article on page 11203 in issue 27 of volume 104

Joan B. Silk

Chimps don't just get mad, they get even
PNAS 2007 104: 13537-13538; published online before print August 15 2007, 10.1073/pnas.0706166104 [Extract] [Full Text] [PDF]  
See companion article on page 13046 in issue 32 of volume 104

Daniel R. Papaj and Emilie C. Snell-Rood

Memory flies sooner from flies that learn faster
PNAS 2007 104: 13539-13540; published online before print August 15 2007, 10.1073/pnas.0706165104 [Extract] [Full Text] [Figures Only] [PDF]  
See companion article on page 13051 in issue 32 of volume 104

Thomas C. Südhof

Membrane fusion as a team effort
PNAS 2007 104: 13541-13542; published online before print August 15 2007, 10.1073/pnas.0706168104 [Extract] [Full Text] [Figures Only] [PDF]  
See companion article on page 13551

PHYSICAL SCIENCES

Applied Physical Sciences

Michael G. Pontin, Dana N. Moses, J. Herbert Waite, and Frank W. Zok

A nonmineralized approach to abrasion-resistant biomaterials
PNAS 2007 104: 13559-13564; published online before print August 16 2007, 10.1073/pnas.0702034104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Q. S. Zeng, Y. C. Li, C. M. Feng, P. Liermann, M. Somayazulu, G. Y. Shen, H.-k. Mao, R. Yang, J. Liu, T. D. Hu, and J. Z. Jiang

Anomalous compression behavior in lanthanum/cerium-based metallic glass under high pressure
PNAS 2007 104: 13565-13568; published online before print August 14 2007, 10.1073/pnas.0705999104 [Abstract] [Full Text] [Figures Only] [PDF]  

Chemistry

Jungjoo Yoon, Barry D. Liboiron, Ritimukta Sarangi, Keith O. Hodgson, Britt Hedman, and Edward I. Solomon

The two oxidized forms of the trinuclear Cu cluster in the multicopper oxidases and mechanism for the decay of the native intermediate
PNAS 2007 104: 13609-13614; published online before print August 16 2007, 10.1073/pnas.0705137104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Engineering

Victor L. Pushparaj, Manikoth M. Shaijumon, Ashavani Kumar, Saravanababu Murugesan, Lijie Ci, Robert Vajtai, Robert J. Linhardt, Omkaram Nalamasu, and Pulickel M. Ajayan

Flexible energy storage devices based on nanocomposite paper
PNAS 2007 104: 13574-13577; published online before print August 15 2007, 10.1073/pnas.0706508104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Geology

Geophysics

Céline Bonfils and David Lobell

Empirical evidence for a recent slowdown in irrigation-induced cooling
PNAS 2007 104: 13582-13587; published online before print August 14 2007, 10.1073/pnas.0700144104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Dmitry L. Lakshtanov, Stanislav V. Sinogeikin, Konstantin D. Litasov, Vitali B. Prakapenka, Holger Hellwig, Jingyun Wang, Carmen Sanches-Valle, Jean-Philippe Perrillat, Bin Chen, Maddury Somayazulu, Jie Li, Eiji Ohtani, and Jay D. Bass

The post-stishovite phase transition in hydrous alumina-bearing SiO₂ in the lower mantle of the earth
PNAS 2007 104: 13588-13590; published online before print August 8 2007, 10.1073/pnas.0706113104 [Abstract] [Full Text] [Figures Only] [PDF]  

Physics

S. Ciliberti, O. C. Martin, and A. Wagner

Innovation and robustness in complex regulatory gene networks
PNAS 2007 104: 13591-13596; published online before print August 9 2007, 10.1073/pnas.0705396104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Ch. Jooss, L. Wu, T. Beetz, R. F. Klie, M. Beleggia, M. A. Schofield, S. Schramm, J. Hoffmann, and Y. Zhu

Polaron melting and ordering as key mechanisms for colossal resistance effects in manganites
PNAS 2007 104: 13597-13602; published online before print August 15 2007, 10.1073/pnas.0702748104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

BIOLOGICAL SCIENCES

Applied Biological Sciences

Biochemistry

Vincent J. Starai, Youngsoo Jun, and William Wickner

From the Cover: Feature Article: Excess vacuolar SNAREs drive lysis and Rab bypass fusion
PNAS 2007 104: 13551-13558; published online before print August 15 2007, 10.1073/pnas.0704741104 [Abstract] [Full Text] [Figures Only] [PDF]  
See Commentary on page 13541

Jungjoo Yoon, Barry D. Liboiron, Ritimukta Sarangi, Keith O. Hodgson, Britt Hedman, and Edward I. Solomon

The two oxidized forms of the trinuclear Cu cluster in the multicopper oxidases and mechanism for the decay of the native intermediate
PNAS 2007 104: 13609-13614; published online before print August 16 2007, 10.1073/pnas.0705137104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Aurélie Mousnier, Nicole Kubat, Aurélie Massias-Simon, Emmanuel Ségéral, Jean-Christophe Rain, Richard Benarous, Stéphane Emiliani, and Catherine Dargemont

von Hippel–Lindau binding protein 1-mediated degradation of integrase affects HIV-1 gene expression at a postintegration step
PNAS 2007 104: 13615-13620; published online before print August 13 2007, 10.1073/pnas.0705162104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Gert Bange, Georg Petzold, Klemens Wild, Richard O. Parlitz, and Irmgard Sinning

The crystal structure of the third signal-recognition particle GTPase FlhF reveals a homodimer with bound GTP
PNAS 2007 104: 13621-13625; published online before print August 15 2007, 10.1073/pnas.0702570104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Laurent Loiseau, Catherine Gerez, Martijn Bekker, Sandrine Ollagnier-de Choudens, Béatrice Py, Yannis Sanakis, Joost Teixeira de Mattos, Marc Fontecave, and Frédéric Barras

ErpA, an iron–sulfur (Fe–S) protein of the A-type essential for respiratory metabolism in Escherichia coli
PNAS 2007 104: 13626-13631; published online before print August 14 2007, 10.1073/pnas.0705829104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Jonathan R. Gledhill, Martin G. Montgomery, Andrew G. W. Leslie, and John E. Walker Mechanism of inhibition of bovine F1-ATPase by resveratrol and related polyphenols PNAS 2007 104: 13632-13637; published online before print August 13 2007, 10.1073/pnas.0706290104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures] OPEN ACCESS ARTICLE

Biophysics

José D. Faraldo-Gómez and Benoît Roux

On the importance of a funneled energy landscape for the assembly and regulation of multidomain Src tyrosine kinases
PNAS 2007 104: 13643-13648; published online before print August 15 2007, 10.1073/pnas.0704041104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Padinhateeri Ranjith, Jie Yan, and John F. Marko

Nucleosome hopping and sliding kinetics determined from dynamics of single chromatin fibers in Xenopus egg extracts
PNAS 2007 104: 13649-13654; published online before print August 14 2007, 10.1073/pnas.0701459104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Sergei Maslov and I. Ispolatov

Propagation of large concentration changes in reversible protein-binding networks
PNAS 2007 104: 13655-13660; published online before print August 15 2007, 10.1073/pnas.0702905104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Tae-Hee Lee, Scott C. Blanchard, Harold D. Kim, Joseph D. Puglisi, and Steven Chu From the Cover: The role of fluctuations in tRNA selection by the ribosome PNAS 2007 104: 13661-13665; published online before print August 15 2007, 10.1073/pnas.0705988104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Bianxiao Cui, Chengbiao Wu, Liang Chen, Alfredo Ramirez, Elaine L. Bearer, Wei-Ping Li, William C. Mobley, and Steven Chu

One at a time, live tracking of NGF axonal transport using quantum dots
PNAS 2007 104: 13666-13671; published online before print August 14 2007, 10.1073/pnas.0706192104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Cell Biology

Miguel A. Lanaspa, Nestor E. Almeida, Ana Andres-Hernando, Christopher J. Rivard, Juan M. Capasso, and Tomas Berl

The tight junction protein, MUPP1, is up-regulated by hypertonicity and is important in the osmotic stress response in kidney cells
PNAS 2007 104: 13672-13677; published online before print August 9 2007, 10.1073/pnas.0702752104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figure]  

Kazuya Kabayama, Takashige Sato, Kumiko Saito, Nicoletta Loberto, Alessandro Prinetti, Sandro Sonnino, Masataka Kinjo, Yasuyuki Igarashi, and Jin-ichi Inokuchi Dissociation of the insulin receptor and caveolin-1 complex by ganglioside GM3 in the state of insulin resistance PNAS 2007 104: 13678-13683; published online before print August 15 2007, 10.1073/pnas.0703650104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Ichiro Taniguchi, Kaoru Masuyama, and Mutsuhito Ohno

Role of purine-rich exonic splicing enhancers in nuclear retention of pre-mRNAs
PNAS 2007 104: 13684-13689; published online before print August 15 2007, 10.1073/pnas.0704922104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figure]  

Dwayne A. Bisgrove, Tokameh Mahmoudi, Peter Henklein, and Eric Verdin

Conserved P-TEFb-interacting domain of BRD4 inhibits HIV transcription
PNAS 2007 104: 13690-13695; published online before print August 9 2007, 10.1073/pnas.0705053104 [Abstract] [Full Text] [Figures Only] [PDF]  

Developmental Biology

Xiaotang Fan, Hyun-Jin Kim, Margaret Warner, and Jan-Åke Gustafsson

Estrogen receptor is essential for sprouting of nociceptive primary afferents and for morphogenesis and maintenance of the dorsal horn interneurons
PNAS 2007 104: 13696-13701; published online before print August 10 2007, 10.1073/pnas.0705936104 [Abstract] [Full Text] [Figures Only] [PDF]  

Ecology

Environmental Sciences

M. Biuw, L. Boehme, C. Guinet, M. Hindell, D. Costa, J.-B. Charrassin, F. Roquet, F. Bailleul, M. Meredith, S. Thorpe, Y. Tremblay, B. McDonald, Y.-H. Park, S. R. Rintoul, N. Bindoff, M. Goebel, D. Crocker, P. Lovell, J. Nicholson, F. Monks, and M. A. Fedak

Variations in behavior and condition of a Southern Ocean top predator in relation to in situ oceanographic conditions
PNAS 2007 104: 13705-13710; published online before print August 10 2007, 10.1073/pnas.0701121104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Evolution

S. Ciliberti, O. C. Martin, and A. Wagner

Innovation and robustness in complex regulatory gene networks
PNAS 2007 104: 13591-13596; published online before print August 9 2007, 10.1073/pnas.0705396104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Nadav Kashtan, Elad Noor, and Uri Alon Varying environments can speed up evolution PNAS 2007 104: 13711-13716; published online before print August 14 2007, 10.1073/pnas.0611630104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Megan C. Hall, Ian Dworkin, Mark C. Ungerer, and Michael Purugganan

Genetics of microenvironmental canalization in Arabidopsis thaliana
PNAS 2007 104: 13717-13722; published online before print August 14 2007, 10.1073/pnas.0701936104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Robert E. Dewar and Alison F. Richard Evolution in the hypervariable environment of Madagascar PNAS 2007 104: 13723-13727; published online before print August 13 2007, 10.1073/pnas.0704346104 [Abstract] [Full Text] [Figures Only] [PDF] OPEN ACCESS ARTICLE

Alfonso Navas, Guillermo Cobas, Miguel Talavera, Juan A. Ayala, Juan A. López, and José L. Martínez

Experimental validation of Haldane's hypothesis on the role of infection as an evolutionary force for Metazoans
PNAS 2007 104: 13728-13731; published online before print August 15 2007, 10.1073/pnas.0704497104 [Abstract] [Full Text] [Figures Only] [PDF]  

Genetics

Xin Jie Chen, Xiaowen Wang, and Ronald A. Butow

Yeast aconitase binds and provides metabolically coupled protection to mitochondrial DNA
PNAS 2007 104: 13738-13743; published online before print August 14 2007, 10.1073/pnas.0703078104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Immunology

Tao Lan, Ekambar R. Kandimalla, Dong Yu, Lakshmi Bhagat, Yukui Li, Daqing Wang, FuGang Zhu, Jimmy X. Tang, Mallikarjuna R. Putta, YanPing Cong, Anthony F. Trombino, Tim Sullivan, and Sudhir Agrawal

Stabilized immune modulatory RNA compounds as agonists of Toll-like receptors 7 and 8
PNAS 2007 104: 13750-13755; published online before print August 14 2007, 10.1073/pnas.0706059104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Xuguang Tai, Francois Van Laethem, Arlene H. Sharpe, and Alfred Singer Induction of autoimmune disease in CTLA-4–/– mice depends on a specific CD28 motif that is required for in vivo costimulation PNAS 2007 104: 13756-13761; published online before print August 16 2007, 10.1073/pnas.0706509104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures] OPEN ACCESS ARTICLE

Medical Sciences

Yvette Drabsch, Honor Hugo, Rui Zhang, Dennis H. Dowhan, Yu Rebecca Miao, Alan M. Gewirtz, Simon C. Barry, Robert G. Ramsay, and Thomas J. Gonda

Mechanism of and requirement for estrogen-regulated MYB expression in estrogen-receptor-positive breast cancer cells
PNAS 2007 104: 13762-13767; published online before print August 9 2007, 10.1073/pnas.0700104104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Alexander Kovacs, Per Tornvall, Roland Nilsson, Jesper Tegnér, Anders Hamsten, and Johan Björkegren

Human C-reactive protein slows atherosclerosis development in a mouse model with human-like hypercholesterolemia
PNAS 2007 104: 13768-13773; published online before print August 16 2007, 10.1073/pnas.0706027104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Microbiology

Andreas Busch, Jesús Lacal, Ariadna Martos, Juan L. Ramos, and Tino Krell

Bacterial sensor kinase TodS interacts with agonistic and antagonistic signals
PNAS 2007 104: 13774-13779; published online before print August 10 2007, 10.1073/pnas.0701547104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Daniel N. Frank, Allison L. St. Amand, Robert A. Feldman, Edgar C. Boedeker, Noam Harpaz, and Norman R. Pace

Molecular-phylogenetic characterization of microbial community imbalances in human inflammatory bowel diseases
PNAS 2007 104: 13780-13785; published online before print August 15 2007, 10.1073/pnas.0706625104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Neuroscience

Céline Amiez and Michael Petrides

Selective involvement of the mid-dorsolateral prefrontal cortex in the coding of the serial order of visual stimuli in working memory
PNAS 2007 104: 13786-13791; published online before print August 15 2007, 10.1073/pnas.0706220104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Text]  

Yubing Lu, Yi-Sheng Lu, Yichun Shuai, Chunhua Feng, Tim Tully, Zuoping Xie, Yi Zhong, and Hai-Meng Zhou

The AKAP Yu is required for olfactory long-term memory formation in Drosophila
PNAS 2007 104: 13792-13797; published online before print August 9 2007, 10.1073/pnas.0700439104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Sung-Chun Tang, Thiruma V. Arumugam, Xiangru Xu, Aiwu Cheng, Mohamed R. Mughal, Dong Gyu Jo, Justin D. Lathia, Dominic A. Siler, Srinivasulu Chigurupati, Xin Ouyang, Tim Magnus, Simonetta Camandola, and Mark P. Mattson

Pivotal role for neuronal Toll-like receptors in ischemic brain injury and functional deficits
PNAS 2007 104: 13798-13803; published online before print August 10 2007, 10.1073/pnas.0702553104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

K. S. Rommelfanger, G. L. Edwards, K. G. Freeman, L. C. Liles, G. W. Miller, and D. Weinshenker

Norepinephrine loss produces more profound motor deficits than MPTP treatment in mice
PNAS 2007 104: 13804-13809; published online before print August 16 2007, 10.1073/pnas.0702753104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Jing Bi, Nien-Pei Tsai, Hsin-Yi Lu, Horace H. Loh, and Li-Na Wei

Copb1-facilitated axonal transport and translation of opioid-receptor mRNA
PNAS 2007 104: 13810-13815; published online before print August 13 2007, 10.1073/pnas.0703805104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Florent G. Revel, Annika Herwig, Marie-Laure Garidou, Hugues Dardente, Jérôme S. Menet, Mireille Masson-Pévet, Valérie Simonneaux, Michel Saboureau, and Paul Pévet

The circadian clock stops ticking during deep hibernation in the European hamster
PNAS 2007 104: 13816-13820. [Abstract] [Full Text] [Figures Only] [PDF]  

Hao Wu, Jun Xu, Zhiping P. Pang, Weihong Ge, Kevin J. Kim, Bruno Blanchi, Caifu Chen, Thomas C. Südhof, and Yi E. Sun

Integrative genomic and functional analyses reveal neuronal subtype differentiation bias in human embryonic stem cell lines
PNAS 2007 104: 13821-13826; published online before print August 10 2007, 10.1073/pnas.0706199104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Pharmacology

Matthew Perry, Frank B. Sachse, and Michael C. Sanguinetti

Structural basis of action for a human ether-a-go-go-related gene 1 potassium channel activator
PNAS 2007 104: 13827-13832; published online before print August 10 2007, 10.1073/pnas.0703934104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Plant Biology

Ming-Yi Bai, Li-Ying Zhang, Srinivas S. Gampala, Sheng-Wei Zhu, Wen-Yuan Song, Kang Chong, and Zhi-Yong Wang

Functions of OsBZR1 and 14-3-3 proteins in brassinosteroid signaling in rice
PNAS 2007 104: 13839-13844; published online before print August 15 2007, 10.1073/pnas.0706386104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Population Biology

CORRECTIONS

Correction for Fisch et al., Kruppel-like factor 15 is a regulator of cardiomyocyte hypertrophy [Full Text] [PDF]