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IN THIS ISSUE

This Week in PNAS
PNAS 2005 102: 8789-8790. [Full Text] [Figures Only] [PDF]  

COMMENTARIES

Austin L. Hughes

Gene duplication and the origin of novel proteins
PNAS 2005 102: 8791-8792; published online before print June 13 2005, 10.1073/pnas.0503922102 [Extract] [Full Text] [Figures Only] [PDF]  
See companion article on page 8933

Paul S.-H. Park and Krzysztof Palczewski

Diversifying the repertoire of G protein-coupled receptors through oligomerization
PNAS 2005 102: 8793-8794; published online before print June 13 2005, 10.1073/pnas.0504016102 [Extract] [Full Text] [Figures Only] [PDF]  
See companion article on page 9050

SPECIAL FEATURE

Introduction

Christian Joachim and Mark A. Ratner

Molecular Electronics Special Feature: Molecular electronics
PNAS 2005 102: 8800; published online before print June 14 2005, 10.1073/pnas.0504046102 [Extract] [Full Text] [PDF]  

PERSPECTIVES

Esther M. Conwell

Charge transport in DNA in solution: The role of polarons
PNAS 2005 102: 8795-8799; published online before print June 14 2005, 10.1073/pnas.0501406102 [Abstract] [Full Text] [Figures Only] [PDF]  

Christian Joachim and Mark A. Ratner

Molecular Electronics Special Feature: Molecular electronics: Some views on transport junctions and beyond
PNAS 2005 102: 8801-8808; published online before print June 14 2005, 10.1073/pnas.0500075102 [Abstract] [Full Text] [Figures Only] [PDF]  

Francesca Moresco and André Gourdon

Molecular Electronics Special Feature: Scanning tunneling microscopy experiments on single molecular landers
PNAS 2005 102: 8809-8814; published online before print June 14 2005, 10.1073/pnas.0500915102 [Abstract] [Full Text] [Figures Only] [PDF]  

PHYSICAL SCIENCES

Applied Mathematics

G. I. Barenblatt, A. J. Chorin, and V. M. Prostokishin

The turbulent wall jet: A triple-layered structure and incomplete similarity
PNAS 2005 102: 8850-8853; published online before print June 9 2005, 10.1073/pnas.0503186102 [Abstract] [Full Text] [Figures Only] [PDF]  

Applied Physical Sciences

Nathan P. Guisinger, Nathan L. Yoder, and Mark C. Hersam

Molecular Electronics Special Feature: Probing charge transport at the single-molecule level on silicon by using cryogenic ultra-high vacuum scanning tunneling microscopy
PNAS 2005 102: 8838-8843; published online before print June 13 2005, 10.1073/pnas.0501214102 [Abstract] [Full Text] [Figures Only] [PDF]  

Chemistry

Mark Elbing, Rolf Ochs, Max Koentopp, Matthias Fischer, Carsten von Hänisch, Florian Weigend, Ferdinand Evers, Heiko B. Weber, and Marcel Mayor

Molecular Electronics Special Feature: A single-molecule diode
PNAS 2005 102: 8815-8820; published online before print June 13 2005, 10.1073/pnas.0408888102 [Abstract] [Full Text] [Figures Only] [PDF]  

Dwight S. Seferos, Scott A. Trammell, Guillermo C. Bazan, and James G. Kushmerick

Molecular Electronics Special Feature: Probing -coupling in molecular junctions
PNAS 2005 102: 8821-8825; published online before print June 14 2005, 10.1073/pnas.0500002102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

H. Ness and A. J. Fisher

Molecular Electronics Special Feature: Vibrational inelastic scattering effects in molecular electronics
PNAS 2005 102: 8826-8831; published online before print June 13 2005, 10.1073/pnas.0500389102 [Abstract] [Full Text] [Figures Only] [PDF]  

G. V. Nazin, S. W. Wu, and W. Ho

Molecular Electronics Special Feature: Tunneling rates in electron transport through double-barrier molecular junctions in a scanning tunneling microscope
PNAS 2005 102: 8832-8837; published online before print June 14 2005, 10.1073/pnas.0501171102 [Abstract] [Full Text] [Figures Only] [PDF]  

Nathan P. Guisinger, Nathan L. Yoder, and Mark C. Hersam

Molecular Electronics Special Feature: Probing charge transport at the single-molecule level on silicon by using cryogenic ultra-high vacuum scanning tunneling microscopy
PNAS 2005 102: 8838-8843; published online before print June 13 2005, 10.1073/pnas.0501214102 [Abstract] [Full Text] [Figures Only] [PDF]  

Songye Chen, Marco T. Seidel, and Ahmed H. Zewail Atomic-scale dynamical structures of fatty acid bilayers observed by ultrafast electron crystallography PNAS 2005 102: 8854-8859; published online before print June 14 2005, 10.1073/pnas.0504022102 [Abstract] [Full Text] [Figures Only] [PDF] OPEN ACCESS ARTICLE

Brandon-Luke L. Seagle, Kourous A. Rezai, Yasuhiro Kobori, Elzbieta M. Gasyna, Kasra A. Rezaei, and James R. Norris, Jr.

Melanin photoprotection in the human retinal pigment epithelium and its correlation with light-induced cell apoptosis
PNAS 2005 102: 8978-8983; published online before print June 10 2005, 10.1073/pnas.0501971102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Engineering

Environmental Sciences

Physics

H. Ness and A. J. Fisher

Molecular Electronics Special Feature: Vibrational inelastic scattering effects in molecular electronics
PNAS 2005 102: 8826-8831; published online before print June 13 2005, 10.1073/pnas.0500389102 [Abstract] [Full Text] [Figures Only] [PDF]  

G. V. Nazin, S. W. Wu, and W. Ho

Molecular Electronics Special Feature: Tunneling rates in electron transport through double-barrier molecular junctions in a scanning tunneling microscope
PNAS 2005 102: 8832-8837; published online before print June 14 2005, 10.1073/pnas.0501171102 [Abstract] [Full Text] [Figures Only] [PDF]  

SOCIAL SCIENCES

BIOLOGICAL SCIENCES

Applied Biological Sciences

Stephen Higgs, Bradley S. Schneider, Dana L. Vanlandingham, Kimberly A. Klingler, and Ernest A. Gould

Nonviremic transmission of West Nile virus
PNAS 2005 102: 8871-8874; published online before print June 10 2005, 10.1073/pnas.0503835102 [Abstract] [Full Text] [PDF]  

Biochemistry

Ana P. Vivancos, Esther A. Castillo, Benoît Biteau, Carine Nicot, José Ayté, Michel B. Toledano, and Elena Hidalgo

A cysteine-sulfinic acid in peroxiredoxin regulates H₂O₂-sensing by the antioxidant Pap1 pathway
PNAS 2005 102: 8875-8880; published online before print June 13 2005, 10.1073/pnas.0503251102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Jie Wang, Kimberly A. Stieglitz, James P. Cardia, and Evan R. Kantrowitz

Structural basis for ordered substrate binding and cooperativity in aspartate transcarbamoylase
PNAS 2005 102: 8881-8886; published online before print June 10 2005, 10.1073/pnas.0503742102 [Abstract] [Full Text] [Figures Only] [PDF]  

Biophysics

Robert J. Keenan, Daniel L. Siehl, Rebecca Gorton, and Linda A. Castle DNA shuffling as a tool for protein crystallization PNAS 2005 102: 8887-8892; published online before print June 10 2005, 10.1073/pnas.0502497102 [Abstract] [Full Text] [Figures Only] [PDF] OPEN ACCESS ARTICLE

Manuela Zoonens, Laurent J. Catoire, Fabrice Giusti, and Jean-Luc Popot From the Cover: NMR study of a membrane protein in detergent-free aqueous solution PNAS 2005 102: 8893-8898; published online before print June 14 2005, 10.1073/pnas.0503750102 [Abstract] [Full Text] [Figures Only] [PDF]

K. Hun Mok, Toshio Nagashima, Iain J. Day, P. J. Hore, and Christopher M. Dobson

Multiple subsets of side-chain packing in partially folded states of -lactalbumins
PNAS 2005 102: 8899-8904; published online before print June 13 2005, 10.1073/pnas.0500661102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Cell Biology

Oliver Mortusewicz, Lothar Schermelleh, Joachim Walter, M. Cristina Cardoso, and Heinrich Leonhardt

Recruitment of DNA methyltransferase I to DNA repair sites
PNAS 2005 102: 8905-8909; published online before print June 13 2005, 10.1073/pnas.0501034102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Fangfang Hu and Oscar M. Aparicio

Swe1 regulation and transcriptional control restrict the activity of mitotic cyclins toward replication proteins in Saccharomyces cerevisiae
PNAS 2005 102: 8910-8915; published online before print June 14 2005, 10.1073/pnas.0406987102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Developmental Biology

Jian Li, Xiaohong Zhu, Mary Chen, Lan Cheng, Deying Zhou, Min Min Lu, Kevin Du, Jonathan A. Epstein, and Michael S. Parmacek

Myocardin-related transcription factor B is required in cardiac neural crest for smooth muscle differentiation and cardiovascular development
PNAS 2005 102: 8916-8921; published online before print June 10 2005, 10.1073/pnas.0503741102 [Abstract] [Full Text] [Figures Only] [PDF]  

Catherine Ledent, Isabelle Demeestere, David Blum, Julien Petermans, Tuula Hämäläinen, Guillaume Smits, and Gilbert Vassart Premature ovarian aging in mice deficient for Gpr3 PNAS 2005 102: 8922-8926; published online before print June 13 2005, 10.1073/pnas.0503840102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Environmental Sciences

Zoe V. Finkel, Miriam E. Katz, James D. Wright, Oscar M. E. Schofield, and Paul G. Falkowski

Climatically driven macroevolutionary patterns in the size of marine diatoms over the Cenozoic
PNAS 2005 102: 8927-8932; published online before print June 14 2005, 10.1073/pnas.0409907102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Evolution

Michael Krützen, Janet Mann, Michael R. Heithaus, Richard C. Connor, Lars Bejder, and William B. Sherwin

Cultural transmission of tool use in bottlenose dolphins
PNAS 2005 102: 8939-8943; published online before print June 9 2005, 10.1073/pnas.0500232102 [Abstract] [Full Text] [Figures Only] [PDF]  

Peter Wilf, Conrad C. Labandeira, Kirk R. Johnson, and N. Rubén Cúneo

Richness of plant–insect associations in Eocene Patagonia: A legacy for South American biodiversity
PNAS 2005 102: 8944-8948; published online before print June 13 2005, 10.1073/pnas.0500516102 [Abstract] [Full Text] [Figures Only] [PDF]  

Genetics

Carl S. Kashuk, Eric A. Stone, Elizabeth A. Grice, Matthew E. Portnoy, Eric D. Green, Arend Sidow, Aravinda Chakravarti, and Andrew S. McCallion

Phenotype–genotype correlation in Hirschsprung disease is illuminated by comparative analysis of the RET protein sequence
PNAS 2005 102: 8949-8954; published online before print June 13 2005, 10.1073/pnas.0503259102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Medical Sciences

Ivana De Domenico, Diane McVey Ward, Elizabeta Nemeth, Michael B. Vaughn, Giovanni Musci, Tomas Ganz, and Jerry Kaplan

The molecular basis of ferroportin-linked hemochromatosis
PNAS 2005 102: 8955-8960; published online before print June 13 2005, 10.1073/pnas.0503804102 [Abstract] [Full Text] [Figures Only] [PDF]  

Kuang-Hung Pan, Chih-Jian Lih, and Stanley N. Cohen Effects of threshold choice on biological conclusions reached during analysis of gene expression by DNA microarrays PNAS 2005 102: 8961-8965; published online before print June 10 2005, 10.1073/pnas.0502674102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Axel Linke, Patrick Müller, Daria Nurzynska, Claudia Casarsa, Daniele Torella, Angelo Nascimbene, Clotilde Castaldo, Stefano Cascapera, Michael Böhm, Federico Quaini, Konrad Urbanek, Annarosa Leri, Thomas H. Hintze, Jan Kajstura, and Piero Anversa

Stem cells in the dog heart are self-renewing, clonogenic, and multipotent and regenerate infarcted myocardium, improving cardiac function
PNAS 2005 102: 8966-8971; published online before print June 10 2005, 10.1073/pnas.0502678102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Peter Mastrangelo, Paul M. Mathews, M. Azhar Chishti, Stephen D. Schmidt, Yongjun Gu, Jing Yang, Matthew J. Mazzella, Janaky Coomaraswamy, Patrick Horne, Bob Strome, Heather Pelly, Georges Levesque, Chris Ebeling, Ying Jiang, Ralph A. Nixon, Richard Rozmahel, Paul E. Fraser, Peter St George-Hyslop, George A. Carlson, and David Westaway Dissociated phenotypes in presenilin transgenic mice define functionally distinct -secretases PNAS 2005 102: 8972-8977; published online before print June 10 2005, 10.1073/pnas.0500940102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Brandon-Luke L. Seagle, Kourous A. Rezai, Yasuhiro Kobori, Elzbieta M. Gasyna, Kasra A. Rezaei, and James R. Norris, Jr.

Melanin photoprotection in the human retinal pigment epithelium and its correlation with light-induced cell apoptosis
PNAS 2005 102: 8978-8983; published online before print June 10 2005, 10.1073/pnas.0501971102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Markus Löbrich, Nicole Rief, Martin Kühne, Martina Heckmann, Jochen Fleckenstein, Christian Rübe, and Michael Uder In vivo formation and repair of DNA double-strand breaks after computed tomography examinations PNAS 2005 102: 8984-8989; published online before print June 13 2005, 10.1073/pnas.0501895102 [Abstract] [Full Text] [Figures Only] [PDF] OPEN ACCESS ARTICLE

Microbiology

Herman W. Favoreel, Geert Van Minnebruggen, Dirk Adriaensen, and Hans J. Nauwynck

Cytoskeletal rearrangements and cell extensions induced by the US3 kinase of an alphaherpesvirus are associated with enhanced spread
PNAS 2005 102: 8990-8995; published online before print June 10 2005, 10.1073/pnas.0409099102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Fernando P. Polack, Pablo M. Irusta, Scott J. Hoffman, M. Paula Schiatti, Guillermina A. Melendi, M. Florencia Delgado, Federico R. Laham, Bhagvanji Thumar, R. Michael Hendry, Jose A. Melero, Ruth A. Karron, Peter L. Collins, and Steven R. Kleeberger

The cysteine-rich region of respiratory syncytial virus attachment protein inhibits innate immunity elicited by the virus and endotoxin
PNAS 2005 102: 8996-9001; published online before print June 14 2005, 10.1073/pnas.0409478102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Mario P. S. Chin, Terence D. Rhodes, Jianbo Chen, William Fu, and Wei-Shau Hu

Identification of a major restriction in HIV-1 intersubtype recombination
PNAS 2005 102: 9002-9007; published online before print June 14 2005, 10.1073/pnas.0502522102 [Abstract] [Full Text] [Figures Only] [PDF]  

Jeremy M. Yarwood, Esther M. Volper, and E. Peter Greenberg

Delays in Pseudomonas aeruginosa quorum-controlled gene expression are conditional
PNAS 2005 102: 9008-9013; published online before print June 13 2005, 10.1073/pnas.0503728102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Table] [Online Correction to Supporting Table 1]  

Kimmo Virtaneva, Stephen F. Porcella, Morag R. Graham, Robin M. Ireland, Claire A. Johnson, Stacy M. Ricklefs, Imran Babar, Larye D. Parkins, Romina A. Romero, G. Judson Corn, Don J. Gardner, John R. Bailey, Michael J. Parnell, and James M. Musser Longitudinal analysis of the group A Streptococcus transcriptome in experimental pharyngitis in cynomolgus macaques PNAS 2005 102: 9014-9019; published online before print June 14 2005, 10.1073/pnas.0503671102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

David H. Perlman, Eric A. Berg, Peter B. O'Connor, Catherine E. Costello, and Jianming Hu

Reverse transcription-associated dephosphorylation of hepadnavirus nucleocapsids
PNAS 2005 102: 9020-9025; published online before print June 10 2005, 10.1073/pnas.0502138102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Neuroscience

N. Fujii and A. M. Graybiel

Time-varying covariance of neural activities recorded in striatum and frontal cortex as monkeys perform sequential-saccade tasks
PNAS 2005 102: 9032-9037; published online before print June 14 2005, 10.1073/pnas.0503541102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

D. I. Hughes, M. Mackie, G. G. Nagy, J. S. Riddell, D. J. Maxwell, G. Szabó, F. Erdélyi, G. Veress, P. Szucs, M. Antal, and A. J. Todd

P boutons in lamina IX of the rodent spinal cord express high levels of glutamic acid decarboxylase-65 and originate from cells in deep medial dorsal horn
PNAS 2005 102: 9038-9043; published online before print June 9 2005, 10.1073/pnas.0503646102 [Abstract] [Full Text] [Figures Only] [PDF]  

Christine Patte-Mensah, Cherkaouia Kibaly, and Ayikoe G. Mensah-Nyagan

Substance P inhibits progesterone conversion to neuroactive metabolites in spinal sensory circuit: A potential component of nociception
PNAS 2005 102: 9044-9049; published online before print June 10 2005, 10.1073/pnas.0502968102 [Abstract] [Full Text] [Figures Only] [PDF]  

Pharmacology

Physiology

Karel Chalupsky and Hua Cai

Endothelial dihydrofolate reductase: Critical for nitric oxide bioavailability and role in angiotensin II uncoupling of endothelial nitric oxide synthase
PNAS 2005 102: 9056-9061; published online before print June 7 2005, 10.1073/pnas.0409594102 [Abstract] [Full Text] [Figures Only] [PDF]  

Plant Biology

Natalia Pogrebnyak, Maxim Golovkin, Vyacheslav Andrianov, Sergei Spitsin, Yuriy Smirnov, Richard Egolf, and Hilary Koprowski

Severe acute respiratory syndrome (SARS) S protein production in plants: Development of recombinant vaccine
PNAS 2005 102: 9062-9067; published online before print June 14 2005, 10.1073/pnas.0503760102 [Abstract] [Full Text] [Figures Only] [PDF]  

Jinsheng Lai, Yubin Li, Joachim Messing, and Hugo K. Dooner From the Cover: Gene movement by Helitron transposons contributes to the haplotype variability of maize PNAS 2005 102: 9068-9073; published online before print June 10 2005, 10.1073/pnas.0502923102 [Abstract] [Full Text] [Figures Only] [PDF]   See Commentary on page 9993

David Chevalier, Martine Batoux, Lynette Fulton, Karen Pfister, Ram Kishor Yadav, Maja Schellenberg, and Kay Schneitz

STRUBBELIG defines a receptor kinase-mediated signaling pathway regulating organ development in Arabidopsis
PNAS 2005 102: 9074-9079; published online before print June 10 2005, 10.1073/pnas.0503526102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Psychology

Aaron R. Seitz, Jose E. Nanez, Steven R. Holloway, Shinichi Koyama, and Takeo Watanabe

Seeing what is not there shows the costs of perceptual learning
PNAS 2005 102: 9080-9085; published online before print June 13 2005, 10.1073/pnas.0501026102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figure]  

CORRECTIONS

Correction for Bruno et al., Using independent open-to-closed transitions to simplify aggregated Markov models of ion channel gating kinetics, PNAS 2005 102:6326-6331 [Extract] [Full Text] [Figures Only] [PDF]  

Correction for Zhao et al., Detection and characterization of the product of hydroethidine and intracellular superoxide by HPLC and limitations of fluorescence, PNAS 2005 102:5727-5732 [Extract] [Full Text] [PDF]  

Correction for Zhao et al., From The Cover: A SUMO ligase is part of a nuclear multiprotein complex that affects DNA repair and chromosomal organization, PNAS 2005 102:4777-4782 [Extract] [Full Text] [PDF]