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THIS WEEK IN PNAS

In This Issue
PNAS 2007 104: 18875-18876. [Full Text] [PDF]  

COMMENTARIES

George M. Thurston

Protein anisotropy turns solubility on its head
PNAS 2007 104: 18877-18878; published online on November 16, 2007, 10.1073/pnas.0708631104 [Extract] [Full Text] [Figures Only] [PDF]  
See companion article on page 16856 in issue 43 of volume 104

Jennifer E. Cropley and David I. K. Martin

Controlling elements are wild cards in the epigenomic deck
PNAS 2007 104: 18879-18880; published online on November 19, 2007, 10.1073/pnas.0708872104 [Extract] [Full Text] [Figures Only] [PDF]  
See companion article on page 19034

Russell H. Swerdlow

PET sheds light on Alzheimer's disease genetic risk
PNAS 2007 104: 18881-18882; published online on November 19, 2007, 10.1073/pnas.0709690104 [Extract] [Full Text] [Figures Only] [PDF]  
See companion article on page 19067

PROFILES

Kaspar Mossman

Profile of Douglas Medin
PNAS 2007 104: 18883-18885; published online on November 19, 2007, 10.1073/pnas.0710219104 [Extract] [Full Text] [Figures Only] [PDF]  

PHYSICAL SCIENCES

Applied Physical Sciences

Dongeun Huh, Hideki Fujioka, Yi-Chung Tung, Nobuyuki Futai, Robert Paine, III, James B. Grotberg, and Shuichi Takayama

Acoustically detectable cellular-level lung injury induced by fluid mechanical stresses in microfluidic airway systems
PNAS 2007 104: 18886-18891; published online on November 15, 2007, 10.1073/pnas.0610868104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Dino Di Carlo, Daniel Irimia, Ronald G. Tompkins, and Mehmet Toner

Continuous inertial focusing, ordering, and separation of particles in microchannels
PNAS 2007 104: 18892-18897; published online on November 19, 2007, 10.1073/pnas.0704958104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Brian D. Piorek, Seung Joon Lee, Juan G. Santiago, Martin Moskovits, Sanjoy Banerjee, and Carl D. Meinhart

Free-surface microfluidic control of surface-enhanced Raman spectroscopy for the optimized detection of airborne molecules
PNAS 2007 104: 18898-18901; published online on November 19, 2007, 10.1073/pnas.0708596104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Peter R. H. Stark, Allison E. Halleck, and Dale N. Larson

Breaking the diffraction barrier outside of the optical near-field with bright, collimated light from nanometric apertures
PNAS 2007 104: 18902-18906; published online on November 16, 2007, 10.1073/pnas.0709701104 [Abstract] [Full Text] [Figures Only] [PDF]  

Chemistry

Katherine E. Augustyn, Edward J. Merino, and Jacqueline K. Barton

A role for DNA-mediated charge transport in regulating p53: Oxidation of the DNA-bound protein from a distance
PNAS 2007 104: 18907-18912; published online on November 19, 2007, 10.1073/pnas.0709326104 [Abstract] [Full Text] [Figures Only] [PDF]  

Yee-Hung M. Chan, Peter Lenz, and Steven G. Boxer

Kinetics of DNA-mediated docking reactions between vesicles tethered to supported lipid bilayers
PNAS 2007 104: 18913-18918; published online on November 19, 2007, 10.1073/pnas.0706114104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Jonathan T. Lyon, Han-Shi Hu, Lester Andrews, and Jun Li

Formation of unprecedented actinidecarbon triple bonds in uranium methylidyne molecules
PNAS 2007 104: 18919-18924; published online on November 16, 2007, 10.1073/pnas.0707035104 [Abstract] [Full Text] [Figures Only] [PDF]  

John S. Henderson, Rosemary A. Joyce, Gretchen R. Hall, W. Jeffrey Hurst, and Patrick E. McGovern From the Cover: Chemical and archaeological evidence for the earliest cacao beverages PNAS 2007 104: 18937-18940; published online on November 16, 2007, 10.1073/pnas.0708815104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Claus Schneider, Katrin Niisuke, William E. Boeglin, Markus Voehler, Donald F. Stec, Ned A. Porter, and Alan R. Brash

Enzymatic synthesis of a bicyclobutane fatty acid by a hemoprotein–lipoxygenase fusion protein from the cyanobacterium Anabaena PCC 7120
PNAS 2007 104: 18941-18945; published online on November 19, 2007, 10.1073/pnas.0707148104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Maxim N. Artyomov, Jayajit Das, Mehran Kardar, and Arup K. Chakraborty

Purely stochastic binary decisions in cell signaling models without underlying deterministic bistabilities
PNAS 2007 104: 18958-18963; published online on November 19, 2007, 10.1073/pnas.0706110104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Robert B. Best, Kusai A. Merchant, Irina V. Gopich, Benjamin Schuler, Ad Bax, and William A. Eaton

Effect of flexibility and cis residues in single-molecule FRET studies of polyproline
PNAS 2007 104: 18964-18969; published online on November 20, 2007, 10.1073/pnas.0709567104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Environmental Sciences

Geophysics

SOCIAL SCIENCES

Anthropology

Psychology

Erno Téglás, Vittorio Girotto, Michel Gonzalez, and Luca L. Bonatti

Intuitions of probabilities shape expectations about the future at 12 months and beyond
PNAS 2007 104: 19156-19159; published online on November 19, 2007, 10.1073/pnas.0700271104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

BIOLOGICAL SCIENCES

Biochemistry

Katherine E. Augustyn, Edward J. Merino, and Jacqueline K. Barton

A role for DNA-mediated charge transport in regulating p53: Oxidation of the DNA-bound protein from a distance
PNAS 2007 104: 18907-18912; published online on November 19, 2007, 10.1073/pnas.0709326104 [Abstract] [Full Text] [Figures Only] [PDF]  

Claus Schneider, Katrin Niisuke, William E. Boeglin, Markus Voehler, Donald F. Stec, Ned A. Porter, and Alan R. Brash

Enzymatic synthesis of a bicyclobutane fatty acid by a hemoprotein–lipoxygenase fusion protein from the cyanobacterium Anabaena PCC 7120
PNAS 2007 104: 18941-18945; published online on November 19, 2007, 10.1073/pnas.0707148104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Nathan J. Cobb, Frank D. Sönnichsen, Hassane Mchaourab, and Witold K. Surewicz Molecular architecture of human prion protein amyloid: A parallel, in-register β-structure PNAS 2007 104: 18946-18951; published online on November 19, 2007, 10.1073/pnas.0706522104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Feng Yang, Rena R. Xian, Yingying Li, Tatjana S. Polony, and Karen L. Beemon

Telomerase reverse transcriptase expression elevated by avian leukosis virus integration in B cell lymphomas
PNAS 2007 104: 18952-18957; published online on November 16, 2007, 10.1073/pnas.0709173104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Biophysics

Yee-Hung M. Chan, Peter Lenz, and Steven G. Boxer

Kinetics of DNA-mediated docking reactions between vesicles tethered to supported lipid bilayers
PNAS 2007 104: 18913-18918; published online on November 19, 2007, 10.1073/pnas.0706114104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Maxim N. Artyomov, Jayajit Das, Mehran Kardar, and Arup K. Chakraborty

Purely stochastic binary decisions in cell signaling models without underlying deterministic bistabilities
PNAS 2007 104: 18958-18963; published online on November 19, 2007, 10.1073/pnas.0706110104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Robert B. Best, Kusai A. Merchant, Irina V. Gopich, Benjamin Schuler, Ad Bax, and William A. Eaton

Effect of flexibility and cis residues in single-molecule FRET studies of polyproline
PNAS 2007 104: 18964-18969; published online on November 20, 2007, 10.1073/pnas.0709567104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Paul Curnow and Paula J. Booth

Combined kinetic and thermodynamic analysis of -helical membrane protein unfolding
PNAS 2007 104: 18970-18975; published online on November 19, 2007, 10.1073/pnas.0705067104 [Abstract] [Full Text] [Figures Only] [PDF]  

Loren Stagg, Shao-Qing Zhang, Margaret S. Cheung, and Pernilla Wittung-Stafshede

Molecular crowding enhances native structure and stability of /β protein flavodoxin
PNAS 2007 104: 18976-18981; published online on November 16, 2007, 10.1073/pnas.0705127104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Ting Lu, Tongye Shen, Matthew R. Bennett, Peter G. Wolynes, and Jeff Hasty

Phenotypic variability of growing cellular populations
PNAS 2007 104: 18982-18987; published online on November 19, 2007, 10.1073/pnas.0706115104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Heidi de Wet, Mathew G. Rees, Kenju Shimomura, Jussi Aittoniemi, Ann-Marie Patch, Sarah E. Flanagan, Sian Ellard, Andrew T. Hattersley, Mark S. P. Sansom, and Frances M. Ashcroft

Increased ATPase activity produced by mutations at arginine-1380 in nucleotide-binding domain 2 of ABCC8 causes neonatal diabetes
PNAS 2007 104: 18988-18992; published online on November 19, 2007, 10.1073/pnas.0707428104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Santiago Ramón-Maiques, Alex J. Kuo, Dylan Carney, Adam G. W. Matthews, Marjorie A. Oettinger, Or Gozani, and Wei Yang

The plant homeodomain finger of RAG2 recognizes histone H3 methylated at both lysine-4 and arginine-2
PNAS 2007 104: 18993-18998; published online on November 19, 2007, 10.1073/pnas.0709170104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Yen-Ju Chen, Owen Pornillos, Samantha Lieu, Che Ma, Andy P. Chen, and Geoffrey Chang

X-ray structure of EmrE supports dual topology model
PNAS 2007 104: 18999-19004; published online on November 16, 2007, 10.1073/pnas.0709387104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Andrew Ward, Christopher L. Reyes, Jodie Yu, Christopher B. Roth, and Geoffrey Chang

Flexibility in the ABC transporter MsbA: Alternating access with a twist
PNAS 2007 104: 19005-19010; published online on November 16, 2007, 10.1073/pnas.0709388104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Cell Biology

Shaida Andrabi, Ole V. Gjoerup, Jennifer A. Kean, Thomas M. Roberts, and Brian Schaffhausen

Protein phosphatase 2A regulates life and death decisions via Akt in a context-dependent manner
PNAS 2007 104: 19011-19016; published online on November 15, 2007, 10.1073/pnas.0706696104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Artem Efremov, Ekaterina L. Grishchuk, J. Richard McIntosh, and Fazly I. Ataullakhanov

In search of an optimal ring to couple microtubule depolymerization to processive chromosome motions
PNAS 2007 104: 19017-19022; published online on November 20, 2007, 10.1073/pnas.0709524104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Lihong Zhang, Jia Yu, Heling Pan, Ping Hu, Yan Hao, Wenqing Cai, Hong Zhu, Albert D. Yu, Xin Xie, Dawei Ma, and Junying Yuan

Small molecule regulators of autophagy identified by an image-based high-throughput screen
PNAS 2007 104: 19023-19028; published online on November 16, 2007, 10.1073/pnas.0709695104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Ecology

Thorsten Wiegand, C. V. Savitri Gunatilleke, I. A. U. Nimal Gunatilleke, and Andreas Huth

How individual species structure diversity in tropical forests
PNAS 2007 104: 19029-19033; published online on November 16, 2007, 10.1073/pnas.0705621104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Genetics

Oscar Gee-Wan Wong, Tharani Nitkunan, Izumi Oinuma, Chun Zhou, Veronique Blanc, Richard S. D. Brown, Simon R. J. Bott, Joseph Nariculam, Gary Box, Phillipa Munson, Jason Constantinou, Mark R. Feneley, Helmut Klocker, Suzanne A. Eccles, Manabu Negishi, Alex Freeman, John R. Masters, and Magali Williamson

Plexin-B1 mutations in prostate cancer
PNAS 2007 104: 19040-19045; published online on November 16, 2007, 10.1073/pnas.0702544104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Coleen T. Murphy, Seung-Jae Lee, and Cynthia Kenyon

Tissue entrainment by feedback regulation of insulin gene expression in the endoderm of Caenorhabditis elegans
PNAS 2007 104: 19046-19050; published online on November 19, 2007, 10.1073/pnas.0709613104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Immunology

Susan L. Walker and Antony R. Young

An action spectrum (290–320 nm) for TNF protein in human skin in vivo suggests that basal-layer epidermal DNA is the chromophore
PNAS 2007 104: 19051-19054; published online on November 19, 2007, 10.1073/pnas.0703385104 [Abstract] [Full Text] [Figures Only] [PDF]  

Andor Pivarcsi, Anja Müller, Andreas Hippe, Juliane Rieker, Anke van Lierop, Martin Steinhoff, Stephan Seeliger, Robert Kubitza, Ulrich Pippirs, Stephan Meller, Peter A. Gerber, Ruediger Liersch, Erich Buenemann, Eniko Sonkoly, Ulrike Wiesner, Thomas K. Hoffmann, Leonid Schneider, Roland Piekorz, Elaine Enderlein, Julia Reifenberger, Ulrich-Peter Rohr, Rainer Haas, Petra Boukamp, Ingo Haase, Bernd Nürnberg, Thomas Ruzicka, Albert Zlotnik, and Bernhard Homey

Tumor immune escape by the loss of homeostatic chemokine expression
PNAS 2007 104: 19055-19060; published online on November 19, 2007, 10.1073/pnas.0705673104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Norifumi Iijima, Melissa M. Linehan, Sem Saeland, and Akiko Iwasaki

Vaginal epithelial dendritic cells renew from bone marrow precursors
PNAS 2007 104: 19061-19066; published online on November 15, 2007, 10.1073/pnas.0707179104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Medical Sciences

Bianca D. Santomasso, Wendy K. Roberts, Ashby Thomas, Travis Williams, Nathalie E. Blachère, Mark E. Dudley, Alan N. Houghton, Jerome B. Posner, and Robert B. Darnell A T cell receptor associated with naturally occurring human tumor immunity PNAS 2007 104: 19073-19078; published online on November 19, 2007, 10.1073/pnas.0704336104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] [Supporting Information] OPEN ACCESS ARTICLE

Hannah Yuan Chen, Michele Di Mascio, Alan S. Perelson, David D. Ho, and Linqi Zhang

Determination of virus burst size in vivo using a single-cycle SIV in rhesus macaques
PNAS 2007 104: 19079-19084; published online on November 19, 2007, 10.1073/pnas.0707449104 [Abstract] [Full Text] [Figures Only] [PDF]  

Yalin Emre, Corinne Hurtaud, Melis Karaca, Tobias Nubel, Flora Zavala, and Daniel Ricquier

Role of uncoupling protein UCP2 in cell-mediated immunity: How macrophage-mediated insulitis is accelerated in a model of autoimmune diabetes
PNAS 2007 104: 19085-19090; published online on November 15, 2007, 10.1073/pnas.0709557104 [Abstract] [Full Text] [Figures Only] [PDF]  

Microbiology

Eric J. Nelson, Ashrafuzzaman Chowdhury, Jason B. Harris, Yasmin A. Begum, Fahima Chowdhury, Ashraful I. Khan, Regina C. LaRocque, Anne L. Bishop, Edward T. Ryan, Andrew Camilli, Firdausi Qadri, and Stephen B. Calderwood

Complexity of rice-water stool from patients with Vibrio cholerae plays a role in the transmission of infectious diarrhea
PNAS 2007 104: 19091-19096; published online on November 16, 2007, 10.1073/pnas.0706352104 [Abstract] [Full Text] [Figures Only] [PDF]  

Heather E. Hallen, Hong Luo, John S. Scott-Craig, and Jonathan D. Walton From the Cover: Gene family encoding the major toxins of lethal Amanita mushrooms PNAS 2007 104: 19097-19101; published online on November 19, 2007, 10.1073/pnas.0707340104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Text]

Jamie C. Snyder, Blake Wiedenheft, Matthew Lavin, Francisco F. Roberto, Josh Spuhler, Alice C. Ortmann, Trevor Douglas, and Mark Young

Virus movement maintains local virus population diversity
PNAS 2007 104: 19102-19107; published online on November 19, 2007, 10.1073/pnas.0709445104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Neuroscience

Snezana Levic, Liping Nie, Dipika Tuteja, Margaret Harvey, Bernd H. A. Sokolowski, and Ebenezer N. Yamoah

Development and regeneration of hair cells share common functional features
PNAS 2007 104: 19108-19113; published online on November 19, 2007, 10.1073/pnas.0705927104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Adil A. Khan, Xiao Ou Mao, Surita Banwait, Kunlin Jin, and David A. Greenberg

Neuroglobin attenuates β-amyloid neurotoxicity in vitro and transgenic Alzheimer phenotype in vivo
PNAS 2007 104: 19114-19119; published online on November 19, 2007, 10.1073/pnas.0706167104 [Abstract] [Full Text] [Figures Only] [PDF]  

Xiaodong Chen, Feng Han, Mu-ming Poo, and Yang Dan

Excitatory and suppressive receptive field subunits in awake monkey primary visual cortex (V1)
PNAS 2007 104: 19120-19125; published online on November 15, 2007, 10.1073/pnas.0706938104 [Abstract] [Full Text] [Figures Only] [PDF]  

Farida Emran, Jason Rihel, Alan R. Adolph, Kwoon Y. Wong, Sebastian Kraves, and John E. Dowling

OFF ganglion cells cannot drive the optokinetic reflex in zebrafish
PNAS 2007 104: 19126-19131; published online on November 19, 2007, 10.1073/pnas.0709337104 [Abstract] [Full Text] [Figures Only] [PDF]  

Physiology

Dongeun Huh, Hideki Fujioka, Yi-Chung Tung, Nobuyuki Futai, Robert Paine, III, James B. Grotberg, and Shuichi Takayama

Acoustically detectable cellular-level lung injury induced by fluid mechanical stresses in microfluidic airway systems
PNAS 2007 104: 18886-18891; published online on November 15, 2007, 10.1073/pnas.0610868104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Enrique Caviedes-Vidal, Todd J. McWhorter, Shana R. Lavin, Juan G. Chediack, Christopher R. Tracy, and William H. Karasov

The digestive adaptation of flying vertebrates: High intestinal paracellular absorption compensates for smaller guts
PNAS 2007 104: 19132-19137; published online on November 19, 2007, 10.1073/pnas.0703159104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Sergio A. Gradilone, Anatoliy I. Masyuk, Patrick L. Splinter, Jesus M. Banales, Bing Q. Huang, Pamela S. Tietz, Tatyana V. Masyuk, and Nicholas F. LaRusso

Cholangiocyte cilia express TRPV4 and detect changes in luminal tonicity inducing bicarbonate secretion
PNAS 2007 104: 19138-19143; published online on November 16, 2007, 10.1073/pnas.0705964104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figure]  

Nathan S. Bryan, John W. Calvert, John W. Elrod, Susheel Gundewar, Sang Yong Ji, and David J. Lefer

Dietary nitrite supplementation protects against myocardial ischemia-reperfusion injury
PNAS 2007 104: 19144-19149; published online on November 19, 2007, 10.1073/pnas.0706579104 [Abstract] [Full Text] [Figures Only] [PDF]  

Plant Biology

Psychology

Erno Téglás, Vittorio Girotto, Michel Gonzalez, and Luca L. Bonatti

Intuitions of probabilities shape expectations about the future at 12 months and beyond
PNAS 2007 104: 19156-19159; published online on November 19, 2007, 10.1073/pnas.0700271104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

CORRECTIONS

Correction for Wu and Feigon, H/ACA small nucleolar RNA pseudouridylation pockets bind substrate RNA to form three-way junctions that position the target U for modification [Full Text] [Figures Only] [PDF]