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EDITORIAL

Nicholas R. Cozzarelli

UPSIDE: Uniform Principle for Sharing Integral Data and Materials Expeditiously
PNAS 2004 101: 3721-3722. [Extract] [Full Text] [PDF]  

COMMENTARIES

Susan E. Fahrbach

What arthropod brains say about arthropod phylogeny
PNAS 2004 101: 3723-3724; published online before print March 9 2004, 10.1073/pnas.0400472101 [Extract] [Full Text] [PDF]  
See companion article on page 3868

Shari M. Kaiser and Michael Emerman

Controlling lentiviruses: Single amino acid changes can determine specificity
PNAS 2004 101: 3725-3726; published online before print March 9 2004, 10.1073/pnas.0400929101 [Extract] [Full Text] [PDF]  
See companion article on page 3770
See companion article on page 3927

PHYSICAL SCIENCES

Applied Physical Sciences

A. Barrat, M. Barthélemy, R. Pastor-Satorras, and A. Vespignani

The architecture of complex weighted networks
PNAS 2004 101: 3747-3752; published online before print March 8 2004, 10.1073/pnas.0400087101 [Abstract] [Full Text] [PDF]  

Geology

SOCIAL SCIENCES

BIOLOGICAL SCIENCES

Biochemistry

Jaya K. Kumar, Stanley Tabor, and Charles C. Richardson

Proteomic analysis of thioredoxin-targeted proteins in Escherichia coli
PNAS 2004 101: 3759-3764; published online before print March 2 2004, 10.1073/pnas.0308701101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Hiroki R. Ueda, Satoko Hayashi, Shinichi Matsuyama, Tetsuya Yomo, Seiichi Hashimoto, Steve A. Kay, John B. Hogenesch, and Masamitsu Iino

Universality and flexibility in gene expression from bacteria to human
PNAS 2004 101: 3765-3769; published online before print March 3 2004, 10.1073/pnas.0306244101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Hal P. Bogerd, Brian P. Doehle, Heather L. Wiegand, and Bryan R. Cullen From The Cover: A single amino acid difference in the host APOBEC3G protein controls the primate species specificity of HIV type 1 virion infectivity factor PNAS 2004 101: 3770-3774; published online before print March 3 2004, 10.1073/pnas.0307713101 [Abstract] [Full Text] [PDF] [Supporting Figures]   See Commentary on page 3725

Yuri Pekarsky, Preston N. Garrison, Alexey Palamarchuk, Nicola Zanesi, Rami I. Aqeilan, Kay Huebner, Larry D. Barnes, and Carlo M. Croce

Fhit is a physiological target of the protein kinase Src
PNAS 2004 101: 3775-3779; published online before print March 8 2004, 10.1073/pnas.0400481101 [Abstract] [Full Text] [PDF]  

Y. Manevich, S. I. Feinstein, and A. B. Fisher

Activation of the antioxidant enzyme 1-CYS peroxiredoxin requires glutathionylation mediated by heterodimerization with GST
PNAS 2004 101: 3780-3785; published online before print March 2 2004, 10.1073/pnas.0400181101 [Abstract] [Full Text] [PDF]  

Luisa Cochella and Rachel Green

Isolation of antibiotic resistance mutations in the rRNA by using an in vitro selection system
PNAS 2004 101: 3786-3791; published online before print March 4 2004, 10.1073/pnas.0307596101 [Abstract] [Full Text] [PDF]  

Marie-Pierre Egloff, François Ferron, Valérie Campanacci, Sonia Longhi, Corinne Rancurel, Hélène Dutartre, Eric J. Snijder, Alexander E. Gorbalenya, Christian Cambillau, and Bruno Canard

The severe acute respiratory syndrome-coronavirus replicative protein nsp9 is a single-stranded RNA-binding subunit unique in the RNA virus world
PNAS 2004 101: 3792-3796; published online before print March 8 2004, 10.1073/pnas.0307877101 [Abstract] [Full Text] [PDF]  

Biophysics

John C. Evans, Donald P. Huddler, Mark T. Hilgers, Gail Romanchuk, Rowena G. Matthews, and Martha L. Ludwig Inaugural Article by a Recently Elected Academy Member: Inaugural Article: Structures of the N-terminal modules imply large domain motions during catalysis by methionine synthase PNAS 2004 101: 3729-3736; published online before print January 29 2004, 10.1073/pnas.0308082100 [Abstract] [Full Text] [PDF] [Supporting Figure]

In-Geol Choi, Jaimyoung Kwon, and Sung-Hou Kim

Local feature frequency profile: A method to measure structural similarity in proteins
PNAS 2004 101: 3797-3802; published online before print February 25 2004, 10.1073/pnas.0308656100 [Abstract] [Full Text] [PDF]  

Ralph Jimenez, Georgina Salazar, Jun Yin, Taiha Joo, and Floyd E. Romesberg

Protein dynamics and the immunological evolution of molecular recognition
PNAS 2004 101: 3803-3808; published online before print March 4 2004, 10.1073/pnas.0305745101 [Abstract] [Full Text] [PDF]  

George Dimitriadis, Adam Drysdale, Jeffrey K. Myers, Pooja Arora, Sheena E. Radford, Terence G. Oas, and D. Alastair Smith

Microsecond folding dynamics of the F13W G29A mutant of the B domain of staphylococcal protein A by laser-induced temperature jump
PNAS 2004 101: 3809-3814; published online before print March 8 2004, 10.1073/pnas.0306433101 [Abstract] [Full Text] [PDF] [Supporting Tables]  

M. Yashar S. Kalani, Nagarajan Vaidehi, Spencer E. Hall, Rene J. Trabanino, Peter L. Freddolino, Maziyar A. Kalani, Wely B. Floriano, Victor Wai Tak Kam, and William A. Goddard, III

The predicted 3D structure of the human D2 dopamine receptor and the binding site and binding affinities for agonists and antagonists
PNAS 2004 101: 3815-3820; published online before print March 3 2004, 10.1073/pnas.0400100101 [Abstract] [Full Text] [PDF]  

Sergey Zubkov, William J. Lennarz, and Smita Mohanty

Structural basis for the function of a minimembrane protein subunit of yeast oligosaccharyltransferase
PNAS 2004 101: 3821-3826; published online before print March 4 2004, 10.1073/pnas.0400512101 [Abstract] [Full Text] [PDF]  

Cell Biology

Chisako Kamano, Parsia A. Vagefi, Naoki Kumagai, Shin Yamamoto, Rolf N. Barth, John C. LaMattina, Shannon G. Moran, David H. Sachs, and Kazuhiko Yamada

Vascularized thymic lobe transplantation in miniature swine: Thymopoiesis and tolerance induction across fully MHC-mismatched barriers
PNAS 2004 101: 3827-3832; published online before print March 8 2004, 10.1073/pnas.0306666101 [Abstract] [Full Text] [PDF] [Supporting Figures]  

Francois Blondeau, Brigitte Ritter, Patrick D. Allaire, Sylwia Wasiak, Martine Girard, Natasha K. Hussain, Annie Angers, Valerie Legendre-Guillemin, Line Roy, Daniel Boismenu, Robert E. Kearney, Alexander W. Bell, John J. M. Bergeron, and Peter S. McPherson

Tandem MS analysis of brain clathrin-coated vesicles reveals their critical involvement in synaptic vesicle recycling
PNAS 2004 101: 3833-3838; published online before print March 8 2004, 10.1073/pnas.0308186101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Arash Komeili, Hojatollah Vali, Terrance J. Beveridge, and Dianne K. Newman

Magnetosome vesicles are present before magnetite formation, and MamA is required for their activation
PNAS 2004 101: 3839-3844; published online before print March 2 2004, 10.1073/pnas.0400391101 [Abstract] [Full Text] [PDF]  

Patricia V. Burgos, Carla Klattenhoff, Erwin de la Fuente, Attilio Rigotti, and Alfonso González

Cholesterol depletion induces PKA-mediated basolateral-to-apical transcytosis of the scavenger receptor class B type I in MDCK cells
PNAS 2004 101: 3845-3850; published online before print March 8 2004, 10.1073/pnas.0400295101 [Abstract] [Full Text] [PDF]  

Developmental Biology

Albert Erives and Michael Levine

Coordinate enhancers share common organizational features in the Drosophila genome
PNAS 2004 101: 3851-3856; published online before print March 16 2004, 10.1073/pnas.0400611101 [Abstract] [Full Text] [PDF] [Supporting Tables]  

Molly Duman-Scheel, Laura A. Johnston, and Wei Du

Repression of dMyc expression by Wingless promotes Rbf-induced G₁ arrest in the presumptive Drosophila wing margin
PNAS 2004 101: 3857-3862; published online before print March 4 2004, 10.1073/pnas.0400526101 [Abstract] [Full Text] [PDF]  

Ecology

Evolution

Immunology

Booki Min, Gilles Foucras, Martin Meier-Schellersheim, and William E. Paul

Spontaneous proliferation, a response of naïve CD4 T cells determined by the diversity of the memory cell repertoire
PNAS 2004 101: 3874-3879; published online before print March 4 2004, 10.1073/pnas.0400606101 [Abstract] [Full Text] [PDF] [Supporting Figure]  

Javier Cote-Sierra, Gilles Foucras, Liying Guo, Lynda Chiodetti, Howard A. Young, Jane Hu-Li, Jinfang Zhu, and William E. Paul

Interleukin 2 plays a central role in Th2 differentiation
PNAS 2004 101: 3880-3885; published online before print March 5 2004, 10.1073/pnas.0400339101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Ming Zhang, William G. Austen, Jr., Isaac Chiu, Elisabeth M. Alicot, Rachel Hung, Minghe Ma, Nicola Verna, Min Xu, Herbert B. Hechtman, Francis D. Moore, Jr., and Michael C. Carroll

Identification of a specific self-reactive IgM antibody that initiates intestinal ischemia/reperfusion injury
PNAS 2004 101: 3886-3891; published online before print March 3 2004, 10.1073/pnas.0400347101 [Abstract] [Full Text] [PDF]  

Mara Gerloni, Marta Rizzi, Paola Castiglioni, and Maurizio Zanetti

T cell immunity using transgenic B lymphocytes
PNAS 2004 101: 3892-3897; published online before print March 2 2004, 10.1073/pnas.0400138101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Yang Yang, Christopher H. Contag, Dean Felsher, Catherine M. Shachaf, Yuan Cao, Leonard A. Herzenberg, Leonore A. Herzenberg, and James W. Tung

The E47 transcription factor negatively regulates CD5 expression during thymocyte development
PNAS 2004 101: 3898-3902; published online before print March 4 2004, 10.1073/pnas.0308764101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Emanuela Castigli, Sumi Scott, Fatma Dedeoglu, Paul Bryce, Haifa Jabara, Atul K. Bhan, Emiko Mizoguchi, and Raif S. Geha

Impaired IgA class switching in APRIL-deficient mice
PNAS 2004 101: 3903-3908; published online before print February 26 2004, 10.1073/pnas.0307348101 [Abstract] [Full Text] [PDF]  

Eri Ichikawa, Shigeaki Hida, Yoshiki Omatsu, Susumu Shimoyama, Kazuhiko Takahara, Shinichi Miyagawa, Kayo Inaba, and Shinsuke Taki

Defective development of splenic and epidermal CD4⁺ dendritic cells in mice deficient for IFN regulatory factor-2
PNAS 2004 101: 3909-3914; published online before print March 2 2004, 10.1073/pnas.0400610101 [Abstract] [Full Text] [PDF] [Supporting Figure]  

Medical Sciences

Claudia D. Baldus, Sandya Liyanarachchi, Krzysztof Mrózek, Herbert Auer, Stephan M. Tanner, Martin Guimond, Amy S. Ruppert, Nehad Mohamed, Ramana V. Davuluri, Michael A. Caligiuri, Clara D. Bloomfield, and Albert de la Chapelle

Acute myeloid leukemia with complex karyotypes and abnormal chromosome 21: Amplification discloses overexpression of APP, ETS2, and ERG genes
PNAS 2004 101: 3915-3920; published online before print March 8 2004, 10.1073/pnas.0400272101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Pavan Reddy, Yoshinobu Maeda, Kevin Hotary, Chen Liu, Leonid L. Reznikov, Charles A. Dinarello, and James L. M. Ferrara

Histone deacetylase inhibitor suberoylanilide hydroxamic acid reduces acute graft-versus-host disease and preserves graft-versus-leukemia effect
PNAS 2004 101: 3921-3926; published online before print March 4 2004, 10.1073/pnas.0400380101 [Abstract] [Full Text] [PDF] [Supporting Figure]  

Bärbel Schröfelbauer, Darlene Chen, and Nathaniel R. Landau From The Cover: A single amino acid of APOBEC3G controls its species-specific interaction with virion infectivity factor (Vif) PNAS 2004 101: 3927-3932; published online before print February 20 2004, 10.1073/pnas.0307132101 [Abstract] [Full Text] [PDF] [Supporting Figure]   See Commentary on page 3725

David A. Goukassian, Elizabeth Helms, Harry van Steeg, Conny van Oostrom, Jag Bhawan, and Barbara A. Gilchrest

Topical DNA oligonucleotide therapy reduces UV-induced mutations and photocarcinogenesis in hairless mice
PNAS 2004 101: 3933-3938; published online before print March 3 2004, 10.1073/pnas.0306389101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Tong Shi, G. Michael Iverson, Jian C. Qi, Keith A. Cockerill, Matthew D. Linnik, Pamela Konecny, and Steven A. Krilis

₂-Glycoprotein I binds factor XI and inhibits its activation by thrombin and factor XIIa: Loss of inhibition by clipped ₂-glycoprotein I
PNAS 2004 101: 3939-3944; published online before print March 8 2004, 10.1073/pnas.0400281101 [Abstract] [Full Text] [PDF]  

Microbiology

Joanne Thomas, Graham P. Stafford, and Colin Hughes

Docking of cytosolic chaperone-substrate complexes at the membrane ATPase during flagellar type III protein export
PNAS 2004 101: 3945-3950; published online before print March 4 2004, 10.1073/pnas.0307223101 [Abstract] [Full Text] [PDF]  

Neuroscience

H. Peter Larsson, Anastassios V. Tzingounis, Hans P. Koch, and Michael P. Kavanaugh

Fluorometric measurements of conformational changes in glutamate transporters
PNAS 2004 101: 3951-3956; published online before print March 4 2004, 10.1073/pnas.0306737101 [Abstract] [Full Text] [PDF]  

Benjamín Alvarez-Borda, Bhagwattie Haripal, and Fernando Nottebohm

Timing of brain-derived neurotrophic factor exposure affects life expectancy of new neurons
PNAS 2004 101: 3957-3961; published online before print March 5 2004, 10.1073/pnas.0308118101 [Abstract] [Full Text] [PDF]  

Eliot C. Bush and John M. Allman

The scaling of frontal cortex in primates and carnivores
PNAS 2004 101: 3962-3966; published online before print March 8 2004, 10.1073/pnas.0305760101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Alexander M. Kasyanov, Victoria F. Safiulina, Leon L. Voronin, and Enrico Cherubini From The Cover: GABA-mediated giant depolarizing potentials as coincidence detectors for enhancing synaptic efficacy in the developing hippocampus PNAS 2004 101: 3967-3972; published online before print March 8 2004, 10.1073/pnas.0305974101 [Abstract] [Full Text] [PDF] [Supporting Figures]

Gwendolyn E. Wood, L. Trevor Young, Lawrence P. Reagan, Biao Chen, and Bruce S. McEwen

Stress-induced structural remodeling in hippocampus: Prevention by lithium treatment
PNAS 2004 101: 3973-3978; published online before print March 4 2004, 10.1073/pnas.0400208101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Physiology

Guojun Cheng, Zhang Weihua, Margaret Warner, and Jan-Åke Gustafsson Inaugural Article by a Recently Elected Academy Member: Inaugural Article: Estrogen receptors ER and ER in proliferation in the rodent mammary gland PNAS 2004 101: 3739-3746; published online before print February 4 2004, 10.1073/pnas.0307864100 [Abstract] [Full Text] [PDF]

Shi Qiang Wang, Michael D. Stern, Eduardo Ríos, and Heping Cheng

The quantal nature of Ca²⁺ sparks and in situ operation of the ryanodine receptor array in cardiac cells
PNAS 2004 101: 3979-3984; published online before print March 2 2004, 10.1073/pnas.0306157101 [Abstract] [Full Text] [PDF]  

Plant Biology

Fernando Novillo, José M. Alonso, Joseph R. Ecker, and Julio Salinas

CBF2/DREB1C is a negative regulator of CBF1/DREB1B and CBF3/DREB1A expression and plays a central role in stress tolerance in Arabidopsis
PNAS 2004 101: 3985-3990; published online before print March 2 2004, 10.1073/pnas.0303029101 [Abstract] [Full Text] [PDF]  

CORRECTIONS

Correction for Majewska et al., Motility of dendritic spines in visual cortex in vivo: Changes during the critical period and effects of visual deprivation, PNAS 2003 100:16024-16029 [Extract] [Full Text] [PDF]  

Correction for Pearson et al., Phylogenetic and biochemical evidence for sterol synthesis in the bacterium Gemmata obscuriglobus, PNAS 2003 100:15352-15357 [Extract] [Full Text] [PDF]