Table of Contents

Biological Sciences

• Biochemistry

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    High-resolution structures of a chitinase complexed with natural product cyclopentapeptide inhibitors: Mimicry of carbohydrate substrate

    Douglas R. Houston, Kazuro Shiomi, Noriko Arai, Satoshi Ōmura, Martin G. Peter, Andreas Turberg, Bjørnar Synstad, Vincent G. H. Eijsink, and Daan M. F. van Aalten

    PNAS July 9, 2002 99 (14) 9127-9132; https://doi.org/10.1073/pnas.132060599
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    The fifth essential DNA polymerase φ in Saccharomyces cerevisiae is localized to the nucleolus and plays an important role in synthesis of rRNA

    Kikuo Shimizu, Yasuo Kawasaki, Shin-Ichiro Hiraga, Maki Tawaramoto, Naomi Nakashima, and Akio Sugino

    PNAS July 9, 2002 99 (14) 9133-9138; https://doi.org/10.1073/pnas.142277999
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    Potent stimulation of transcription-coupled DNA supercoiling by sequence-specific DNA-binding proteins

    Fenfei Leng and Roger McMacken

    PNAS July 9, 2002 99 (14) 9139-9144; https://doi.org/10.1073/pnas.142002099
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    Distinct domains of splicing factor Prp8 mediate different aspects of spliceosome activation

    Andreas N. Kuhn, Elizabeth M. Reichl, and David A. Brow

    PNAS July 9, 2002 99 (14) 9145-9149; https://doi.org/10.1073/pnas.102304299
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    Direct detection of potential selenium delivery proteins by using an Escherichia coli strain unable to incorporate selenium from selenite into proteins

    Gerard M. Lacourciere, Rodney L. Levine, and Thressa C. Stadtman

    PNAS July 9, 2002 99 (14) 9150-9153; https://doi.org/10.1073/pnas.142291199
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    A ribozyme that ligates RNA to protein

    Scott Baskerville and David P. Bartel

    PNAS July 9, 2002 99 (14) 9154-9159; https://doi.org/10.1073/pnas.142153799
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    Pheromone induction promotes Ste11 degradation through a MAPK feedback and ubiquitin-dependent mechanism

    R. K. Esch and B. Errede

    PNAS July 9, 2002 99 (14) 9160-9165; https://doi.org/10.1073/pnas.142034399
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    The final acylation step in Taxol biosynthesis: Cloning of the taxoid C13-side-chain N-benzoyltransferase from Taxus

    Kevin Walker, Robert Long, and Rodney Croteau

    PNAS July 9, 2002 99 (14) 9166-9171; https://doi.org/10.1073/pnas.082115799
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    Evidence for S-nitrosothiol-dependent changes in fibrinogen that do not involve transnitrosation or thiolation

    Shirin Akhter, Arianna Vignini, Zhong Wen, Ann English, Peng G. Wang, and Bulent Mutus

    PNAS July 9, 2002 99 (14) 9172-9177; https://doi.org/10.1073/pnas.142136499
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    Transcription and replication initiate at separate sites on the vesicular stomatitis virus genome

    Sean P. J. Whelan and Gail W. Wertz

    PNAS July 9, 2002 99 (14) 9178-9183; https://doi.org/10.1073/pnas.152155599

• Biophysics

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    Three-dimensional structure of the amino-terminal domain of syntaxin 6, a SNAP-25 C homolog

    Kira M. S. Misura, Jason B. Bock, Lino C. Gonzalez Jr., Richard H. Scheller, and William I. Weis

    PNAS July 9, 2002 99 (14) 9184-9189; https://doi.org/10.1073/pnas.132274599
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    Polyproline II structure in a sequence of seven alanine residues

    Zhengshuang Shi, C. Anders Olson, George D. Rose, Robert L. Baldwin, and Neville R. Kallenbach

    PNAS July 9, 2002 99 (14) 9190-9195; https://doi.org/10.1073/pnas.112193999
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    The protofilament structure of insulin amyloid fibrils

    José L. Jiménez, Ewan J. Nettleton, Mario Bouchard, Carol V. Robinson, Christopher M. Dobson, and Helen R. Saibil

    PNAS July 9, 2002 99 (14) 9196-9201; https://doi.org/10.1073/pnas.142459399
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    Conformational change of the actomyosin complex drives the multiple stepping movement

    Tomoki P. Terada, Masaki Sasai, and Tetsuya Yomo

    PNAS July 9, 2002 99 (14) 9202-9206; https://doi.org/10.1073/pnas.132711799
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    Apparent role of traveling metabolic waves in oxidant release by living neutrophils

    • From the Cover

    Andrei L. Kindzelskii and Howard R. Petty

    PNAS July 9, 2002 99 (14) 9207-9212; https://doi.org/10.1073/pnas.132630999

    See companion article:

    • Shooting from the hip: Spatial control of signal release by intracellular waves

      - Jul 01, 2002

• Cell Biology

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    A protein kinase B-dependent and rapamycin-sensitive pathway controls skeletal muscle growth but not fiber type specification

    Giorgia Pallafacchina, Elisa Calabria, Antonio L. Serrano, John M. Kalhovde, and Stefano Schiaffino

    PNAS July 9, 2002 99 (14) 9213-9218; https://doi.org/10.1073/pnas.142166599
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    Interactions between Eph kinases and ephrins provide a mechanism to support platelet aggregation once cell-to-cell contact has occurred

    Nicolas Prevost, Donna Woulfe, Takako Tanaka, and Lawrence F. Brass

    PNAS July 9, 2002 99 (14) 9219-9224; https://doi.org/10.1073/pnas.142053899
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    The ryanodine receptor modulates the spontaneous beating rate of cardiomyocytes during development

    Huang-Tian Yang, David Tweedie, Su Wang, Antonio Guia, Tatiana Vinogradova, Konstantin Bogdanov, Paul D. Allen, Michael D. Stern, Edward G. Lakatta, and Kenneth R. Boheler

    PNAS July 9, 2002 99 (14) 9225-9230; https://doi.org/10.1073/pnas.142651999
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    Polyvalent cation receptor proteins (CaRs) are salinity sensors in fish

    J. Nearing, M. Betka, S. Quinn, H. Hentschel, M. Elger, M. Baum, M. Bai, N. Chattopadyhay, E. M. Brown, S. C. Hebert, and H. W. Harris

    PNAS July 9, 2002 99 (14) 9231-9236; https://doi.org/10.1073/pnas.152294399

• Developmental Biology

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    GATA-factor dependence of the multitype zinc-finger protein FOG-1 for its essential role in megakaryopoiesis

    Aaron N. Chang, Alan B. Cantor, Yuko Fujiwara, Maya B. Lodish, Steven Droho, John D. Crispino, and Stuart H. Orkin

    PNAS July 9, 2002 99 (14) 9237-9242; https://doi.org/10.1073/pnas.142302099
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    Promoter-proximal tethering elements regulate enhancer-promoter specificity in the Drosophila Antennapedia complex

    Vincent C. Calhoun, Angelike Stathopoulos, and Michael Levine

    PNAS July 9, 2002 99 (14) 9243-9247; https://doi.org/10.1073/pnas.142291299
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    Erk5 null mice display multiple extraembryonic vascular and embryonic cardiovascular defects

    Christopher P. Regan, Wei Li, Diane M. Boucher, Stephen Spatz, Michael S. Su, and Keisuke Kuida

    PNAS July 9, 2002 99 (14) 9248-9253; https://doi.org/10.1073/pnas.142293999
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    SKIP is an indispensable factor for Caenorhabditis elegans development

    Marta Kostrouchova, Daniel Housa, Zdenek Kostrouch, Vladimir Saudek, and Joseph Edward Rall

    PNAS July 9, 2002 99 (14) 9254-9259; https://doi.org/10.1073/pnas.112213799
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    PRKX, a phylogenetically and functionally distinct cAMP-dependent protein kinase, activates renal epithelial cell migration and morphogenesis

    Xiaohong Li, Hsi-Ping Li, Kurt Amsler, Deborah Hyink, Patricia D. Wilson, and Christopher R. Burrow

    PNAS July 9, 2002 99 (14) 9260-9265; https://doi.org/10.1073/pnas.132051799

• Ecology

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    Tracking the ecological overshoot of the human economy

    Mathis Wackernagel, Niels B. Schulz, Diana Deumling, Alejandro Callejas Linares, Martin Jenkins, Valerie Kapos, Chad Monfreda, Jonathan Loh, Norman Myers, Richard Norgaard, and Jørgen Randers

    PNAS July 9, 2002 99 (14) 9266-9271; https://doi.org/10.1073/pnas.142033699

• Evolution

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    Gene order evolution and paleopolyploidy in hemiascomycete yeasts

    Simon Wong, Geraldine Butler, and Kenneth H. Wolfe

    PNAS July 9, 2002 99 (14) 9272-9277; https://doi.org/10.1073/pnas.142101099
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    Ancestral polymorphism and adaptive evolution in the trichothecene mycotoxin gene cluster of phytopathogenic Fusarium

    Todd J. Ward, Joseph P. Bielawski, H. Corby Kistler, Eileen Sullivan, and Kerry O'Donnell

    PNAS July 9, 2002 99 (14) 9278-9283; https://doi.org/10.1073/pnas.142307199
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    Population genomics of drug resistance in Candida albicans

    Leah E. Cowen, André Nantel, Malcolm S. Whiteway, David Y. Thomas, Daniel C. Tessier, Linda M. Kohn, and James B. Anderson

    PNAS July 9, 2002 99 (14) 9284-9289; https://doi.org/10.1073/pnas.102291099
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    Overt female mate competition and preference for central males in a lekking antelope

    • From the Cover

    Jakob Bro-Jørgensen

    PNAS July 9, 2002 99 (14) 9290-9293; https://doi.org/10.1073/pnas.142125899
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    Second- and third-hand chloroplasts in dinoflagellates: Phylogeny of oxygen-evolving enhancer 1 (PsbO) protein reveals replacement of a nuclear-encoded plastid gene by that of a haptophyte tertiary endosymbiont

    Ken-ichiro Ishida and Beverley R. Green

    PNAS July 9, 2002 99 (14) 9294-9299; https://doi.org/10.1073/pnas.142091799

• Genetics

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    Cluster analysis of gene expression dynamics

    • From the Cover

    Marco F. Ramoni, Paola Sebastiani, and Isaac S. Kohane

    PNAS July 9, 2002 99 (14) 9121-9126; https://doi.org/10.1073/pnas.132656399
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    Association of a lysine-232/alanine polymorphism in a bovine gene encoding acyl-CoA:diacylglycerol acyltransferase (DGAT1) with variation at a quantitative trait locus for milk fat content

    Andreas Winter, Wolfgang Krämer, Fabian A. O. Werner, Sonja Kollers, Srinivas Kata, Gregor Durstewitz, Johannes Buitkamp, James E. Womack, Georg Thaller, and Ruedi Fries

    PNAS July 9, 2002 99 (14) 9300-9305; https://doi.org/10.1073/pnas.142293799
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    Maternal transmission of P element transposase activity in Drosophila melanogaster depends on the last P intron

    Michael J. Simmons, Kevin J. Haley, and Sarah J. Thompson

    PNAS July 9, 2002 99 (14) 9306-9309; https://doi.org/10.1073/pnas.142304199
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    Live-cell imaging reveals divergent intracellular dynamics of polyglutamine disease proteins and supports a sequestration model of pathogenesis

    Yaohui Chai, Jianqiang Shao, Victor M. Miller, Aislinn Williams, and Henry L. Paulson

    PNAS July 9, 2002 99 (14) 9310-9315; https://doi.org/10.1073/pnas.152101299
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    The genome-wide expression response to telomerase deletion in Saccharomyces cerevisiae

    Shivani Nautiyal, Joseph L. DeRisi, and Elizabeth H. Blackburn

    PNAS July 9, 2002 99 (14) 9316-9321; https://doi.org/10.1073/pnas.142162499
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    Positional cloning of the murine flavivirus resistance gene

    Andrey A. Perelygin, Svetlana V. Scherbik, Igor B. Zhulin, Bronislava M. Stockman, Yan Li, and Margo A. Brinton

    PNAS July 9, 2002 99 (14) 9322-9327; https://doi.org/10.1073/pnas.142287799

    See companion article:

    • Host genetic variability and West Nile virus susceptibility

      - Aug 21, 2002
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    The barley stem rust-resistance gene Rpg1 is a novel disease-resistance gene with homology to receptor kinases

    R. Brueggeman, N. Rostoks, D. Kudrna, A. Kilian, F. Han, J. Chen, A. Druka, B. Steffenson, and A. Kleinhofs

    PNAS July 9, 2002 99 (14) 9328-9333; https://doi.org/10.1073/pnas.142284999
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    Identification and characterization of CIA/ASF1 as an interactor of bromodomains associated with TFIID

    Takahiko Chimura, Takashi Kuzuhara, and Masami Horikoshi

    PNAS July 9, 2002 99 (14) 9334-9339; https://doi.org/10.1073/pnas.142627899
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    Hyporesponsiveness of SPRET/Ei mice to lethal shock induced by tumor necrosis factor and implications for a TNF-based antitumor therapy

    Jan Staelens, Ben Wielockx, Leen Puimège, Frans Van Roy, Jean-Louis Guénet, and Claude Libert

    PNAS July 9, 2002 99 (14) 9340-9345; https://doi.org/10.1073/pnas.142293699
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    An approach for global scanning of single nucleotide variations

    Xinghua Pan and Sherman M. Weissman

    PNAS July 9, 2002 99 (14) 9346-9351; https://doi.org/10.1073/pnas.132218699
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    Interaction of Gα₁₂ with Gα₁₃ and Gα_q signaling pathways

    Jennifer L. Gu, Stefan Müller, Valeria Mancino, Stefan Offermanns, and Melvin I. Simon

    PNAS July 9, 2002 99 (14) 9352-9357; https://doi.org/10.1073/pnas.102291599

• Immunology

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    Cytotoxic T lymphocytes directed against a tumor-specific mutated antigen display similar HLA tetramer binding but distinct functional avidity and tissue distribution

    Hamid Echchakir, Guillaume Dorothée, Isabelle Vergnon, Jeanne Menez, Salem Chouaib, and Fathia Mami-Chouaib

    PNAS July 9, 2002 99 (14) 9358-9363; https://doi.org/10.1073/pnas.142308199
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    GATA-3 transcriptional imprinting in Th2 lymphocytes: A mathematical model

    Thomas Höfer, Holger Nathansen, Max Löhning, Andreas Radbruch, and Reinhart Heinrich

    PNAS July 9, 2002 99 (14) 9364-9368; https://doi.org/10.1073/pnas.142284699
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    CD28 plays a critical role in the segregation of PKCθ within the immunologic synapse

    Jianyong Huang, Pei-Fen Lo, Tomasz Żal, Nicholas R. J. Gascoigne, Brian A. Smith, Steven D. Levin, and Howard M. Grey

    PNAS July 9, 2002 99 (14) 9369-9373; https://doi.org/10.1073/pnas.142298399
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    Restricted islet-cell reactive T cell repertoire of early pancreatic islet infiltrates in NOD mice

    Felix J. Baker, Mark Lee, Yueh-hsiu Chien, and Mark M. Davis

    PNAS July 9, 2002 99 (14) 9374-9379; https://doi.org/10.1073/pnas.142284899
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    HIV envelope induces a cascade of cell signals in non-proliferating target cells that favor virus replication

    Claudia Cicala, James Arthos, Sara M. Selig, Glynn Dennis Jr., Douglas A. Hosack, Donald Van Ryk, Marion L. Spangler, Tavis D. Steenbeke, Prateeti Khazanie, Neil Gupta, Jun Yang, Marybeth Daucher, Richard A. Lempicki, and Anthony S. Fauci

    PNAS July 9, 2002 99 (14) 9380-9385; https://doi.org/10.1073/pnas.142287999
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    Role of NFκB activator Act1 in CD40-mediated signaling in epithelial cells

    Youcun Qian, Zhendong Zhao, Zhengfan Jiang, and Xiaoxia Li

    PNAS July 9, 2002 99 (14) 9386-9391; https://doi.org/10.1073/pnas.142294499
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    Uncoupling protein 2 plays an important role in nitric oxide production of lipopolysaccharide-stimulated macrophages

    Takako Kizaki, Kenji Suzuki, Yoshiaki Hitomi, Naoyuki Taniguchi, Daizoh Saitoh, Kenji Watanabe, Kazunori Onoé, Noorbibi K. Day, Robert A. Good, and Hideki Ohno

    PNAS July 9, 2002 99 (14) 9392-9397; https://doi.org/10.1073/pnas.142206299
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    Defective T cell development and function in calcineurin Aβ-deficient mice

    Orlando F. Bueno, Eric B. Brandt, Marc E. Rothenberg, and Jeffery D. Molkentin

    PNAS July 9, 2002 99 (14) 9398-9403; https://doi.org/10.1073/pnas.152665399
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    Crystal structure of human cytomegalovirus IL-10 bound to soluble human IL-10R1

    Brandi C. Jones, Naomi J. Logsdon, Kristopher Josephson, Jennifer Cook, Peter A. Barry, and Mark R. Walter

    PNAS July 9, 2002 99 (14) 9404-9409; https://doi.org/10.1073/pnas.152147499
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    Transepithelial transport of HIV-1 by M cells is receptor-mediated

    Grigorios Fotopoulos, Alexandre Harari, Pierre Michetti, Didier Trono, Giuseppe Pantaleo, and Jean-Pierre Kraehenbuhl

    PNAS July 9, 2002 99 (14) 9410-9414; https://doi.org/10.1073/pnas.142586899
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    Human tumor-derived genomic DNA transduced into a recipient cell induces tumor-specific immune responses ex vivo

    Theresa L. Whiteside, Andrea Gambotto, Andreas Albers, Joanna Stanson, and Edward P. Cohen

    PNAS July 9, 2002 99 (14) 9415-9420; https://doi.org/10.1073/pnas.142302399
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    Direct visualization of distinct T cell epitopes derived from a melanoma tumor-associated antigen by using human recombinant antibodies with MHC- restricted T cell receptor-like specificity

    Galit Denkberg, Cyril J. Cohen, Avital Lev, Patrick Chames, Hennie R. Hoogenboom, and Yoram Reiter

    PNAS July 9, 2002 99 (14) 9421-9426; https://doi.org/10.1073/pnas.132285699

• Medical Sciences

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    An estrogen receptor repressor induces cataract formation in transgenic mice

    Vicki L. Davis, Chi-Chao Chan, Timothy J. Schoen, John F. Couse, Gerald J. Chader, and Kenneth S. Korach

    PNAS July 9, 2002 99 (14) 9427-9432; https://doi.org/10.1073/pnas.132247999
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    Mutations in APC, Kirsten-ras, and p53—alternative genetic pathways to colorectal cancer

    Gillian Smith, Francis A. Carey, Julie Beattie, Murray J. V. Wilkie, Tracy J. Lightfoot, Jonathan Coxhead, R. Colin Garner, Robert J. C. Steele, and C. Roland Wolf

    PNAS July 9, 2002 99 (14) 9433-9438; https://doi.org/10.1073/pnas.122612899
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    Interaction of intracellular β amyloid peptide with chaperone proteins

    Virginia Fonte, Wadim Jan Kapulkin, Andrew Taft, Amy Fluet, David Friedman, and Christopher D. Link

    PNAS July 9, 2002 99 (14) 9439-9444; https://doi.org/10.1073/pnas.152313999
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    Tissue-nonspecific alkaline phosphatase and plasma cell membrane glycoprotein-1 are central antagonistic regulators of bone mineralization

    Lovisa Hessle, Kristen A. Johnson, H. Clarke Anderson, Sonoko Narisawa, Adnan Sali, James W. Goding, Robert Terkeltaub, and José Luis Millán

    PNAS July 9, 2002 99 (14) 9445-9449; https://doi.org/10.1073/pnas.142063399
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    Recombinant human erythropoietin counteracts secondary injury and markedly enhances neurological recovery from experimental spinal cord trauma

    Alfredo Gorio, Necati Gokmen, Serhat Erbayraktar, Osman Yilmaz, Laura Madaschi, Cinzia Cichetti, Anna Maria Di Giulio, Enver Vardar, Anthony Cerami, and Michael Brines

    PNAS July 9, 2002 99 (14) 9450-9455; https://doi.org/10.1073/pnas.142287899
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    Chimeric snRNA molecules carrying antisense sequences against the splice junctions of exon 51 of the dystrophin pre-mRNA induce exon skipping and restoration of a dystrophin synthesis in Δ48-50 DMD cells

    Fernanda Gabriella De Angelis, Olga Sthandier, Barbara Berarducci, Silvia Toso, Giuliana Galluzzi, Enzo Ricci, Giulio Cossu, and Irene Bozzoni

    PNAS July 9, 2002 99 (14) 9456-9461; https://doi.org/10.1073/pnas.142302299
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    VEGF receptor 2 and the adherens junction as a mechanical transducer in vascular endothelial cells

    Ayelet Shay-Salit, Moran Shushy, Efrat Wolfovitz, Hava Yahav, Ferruccio Breviario, Elisabetta Dejana, and Nitzan Resnick

    PNAS July 9, 2002 99 (14) 9462-9467; https://doi.org/10.1073/pnas.142224299
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    Adaptive immunity cooperates with liposomal all-trans-retinoic acid (ATRA) to facilitate long-term molecular remissions in mice with acute promyelocytic leukemia

    Peter Westervelt, Jessica L. Pollock, Kristie M. Oldfather, Matthew J. Walter, Margaret K. Ma, Anthony Williams, John F. DiPersio, and Timothy J. Ley

    PNAS July 9, 2002 99 (14) 9468-9473; https://doi.org/10.1073/pnas.132657799
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    Knockout of the α1A/C-adrenergic receptor subtype: The α1A/C is expressed in resistance arteries and is required to maintain arterial blood pressure

    D. Gregg Rokosh and Paul C. Simpson

    PNAS July 9, 2002 99 (14) 9474-9479; https://doi.org/10.1073/pnas.132552699
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    Adeno-associated viral vector-mediated hypoxia response element-regulated gene expression in mouse ischemic heart model

    Hua Su, Janice Arakawa-Hoyt, and Yuet Wai Kan

    PNAS July 9, 2002 99 (14) 9480-9485; https://doi.org/10.1073/pnas.132275299
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    Randomized controlled trial of a treatment for anorexia and bulimia nervosa

    Cecilia Bergh, Ulf Brodin, Greger Lindberg, and Per Södersten

    PNAS July 9, 2002 99 (14) 9486-9491; https://doi.org/10.1073/pnas.142284799
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    Apoptotic threshold is lowered by p53 transactivation of caspase-6

    Timothy K. MacLachlan and Wafik S. El-Deiry

    PNAS July 9, 2002 99 (14) 9492-9497; https://doi.org/10.1073/pnas.132241599
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    C75 increases peripheral energy utilization and fatty acid oxidation in diet-induced obesity

    Jagan N. Thupari, Leslie E. Landree, Gabriele V. Ronnett, and Francis P. Kuhajda

    PNAS July 9, 2002 99 (14) 9498-9502; https://doi.org/10.1073/pnas.132128899

    See companion article:

    • The search for new ways to treat obesity

      - Jul 01, 2002
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    Evidence for a cytopathogenicity determinant in HIV-1 Vpr

    Mohan Somasundaran, Mark Sharkey, Beda Brichacek, Katherine Luzuriaga, Michael Emerman, John L. Sullivan, and Mario Stevenson

    PNAS July 9, 2002 99 (14) 9503-9508; https://doi.org/10.1073/pnas.142313699

• Microbiology

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    The complete genome sequence of Chlorobium tepidum TLS, a photosynthetic, anaerobic, green-sulfur bacterium

    Jonathan A. Eisen, Karen E. Nelson, Ian T. Paulsen, John F. Heidelberg, Martin Wu, Robert J. Dodson, Robert Deboy, Michelle L. Gwinn, William C. Nelson, Daniel H. Haft, Erin K. Hickey, Jeremy D. Peterson, A. Scott Durkin, James L. Kolonay, Fan Yang, Ingeborg Holt, Lowell A. Umayam, Tanya Mason, Michael Brenner, Terrance P. Shea, Debbie Parksey, William C. Nierman, Tamara V. Feldblyum, Cheryl L. Hansen, M. Brook Craven, Diana Radune, Jessica Vamathevan, Hoda Khouri, Owen White, Tanja M. Gruber, Karen A. Ketchum, J. Craig Venter, Hervé Tettelin, Donald A. Bryant, and Claire M. Fraser

    PNAS July 9, 2002 99 (14) 9509-9514; https://doi.org/10.1073/pnas.132181499
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    Mutations in the RNase H domain of HIV-1 reverse transcriptase affect the initiation of DNA synthesis and the specificity of RNase H cleavage in vivo

    John G. Julias, Mary Jane McWilliams, Stefan G. Sarafianos, Edward Arnold, and Stephen H. Hughes

    PNAS July 9, 2002 99 (14) 9515-9520; https://doi.org/10.1073/pnas.142123199

• Neurobiology

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    Effects of cerebral ischemia in mice deficient in Persephin

    Andreas C. Tomac, Alan D. Agulnick, Norman Haughey, Chen-Fu Chang, Yajun Zhang, Cristina Bäckman, Marisela Morales, Mark P. Mattson, Yun Wang, Heiner Westphal, and Barry J. Hoffer

    PNAS July 9, 2002 99 (14) 9521-9526; https://doi.org/10.1073/pnas.152535899
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    The relationship between cortical activation and perception investigated with invisible stimuli

    K. Moutoussis and S. Zeki

    PNAS July 9, 2002 99 (14) 9527-9532; https://doi.org/10.1073/pnas.142305699
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    Cortical hyperpolarization-activated depolarizing current takes part in the generation of focal paroxysmal activities

    Igor Timofeev, Maxim Bazhenov, Terrence Sejnowski, and Mircea Steriade

    PNAS July 9, 2002 99 (14) 9533-9537; https://doi.org/10.1073/pnas.132259899
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    Assessing the role of Ih channels in synaptic transmission and mossy fiber LTP

    Vivien Chevaleyre and Pablo E. Castillo

    PNAS July 9, 2002 99 (14) 9538-9543; https://doi.org/10.1073/pnas.142213199

• Physiology

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    Nuclear K_ATP channels trigger nuclear Ca²⁺ transients that modulate nuclear function

    Ivan Quesada, Juan M. Rovira, Franz Martin, Enrique Roche, Angel Nadal, and Bernat Soria

    PNAS July 9, 2002 99 (14) 9544-9549; https://doi.org/10.1073/pnas.142039299
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    Oxytocin induces differentiation of P19 embryonic stem cells to cardiomyocytes

    Joanne Paquin, Bogdan A. Danalache, Marek Jankowski, Samuel M. McCann, and Jolanta Gutkowska

    PNAS July 9, 2002 99 (14) 9550-9555; https://doi.org/10.1073/pnas.152302499
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    Role of the short isoform of myosin light chain kinase in the contraction of cultured smooth muscle cells as examined by its down-regulation

    Jianjun Bao, Kazuhiko Oishi, Tomohisa Yamada, Liqun Liu, Akio Nakamura, Masaatsu K. Uchida, and Kazuhiro Kohama

    PNAS July 9, 2002 99 (14) 9556-9561; https://doi.org/10.1073/pnas.142298599
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    Influence of the period-dependent circadian clock on diurnal, circadian, and aperiodic gene expression in Drosophila melanogaster

    Yiing Lin, Mei Han, Brian Shimada, Lin Wang, Therese M. Gibler, Aloka Amarakone, Tarif A. Awad, Gary D. Stormo, Russell N. Van Gelder, and Paul H. Taghert

    PNAS July 9, 2002 99 (14) 9562-9567; https://doi.org/10.1073/pnas.132269699

• Plant Biology

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    Assaying gene content in Arabidopsis

    Keith D. Allen

    PNAS July 9, 2002 99 (14) 9568-9572; https://doi.org/10.1073/pnas.142126599
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    Intraspecific violation of genetic colinearity and its implications in maize

    • From the Cover

    Huihua Fu and Hugo K. Dooner

    PNAS July 9, 2002 99 (14) 9573-9578; https://doi.org/10.1073/pnas.132259199

    See companion article:

    • Exceptional haplotype variation in maize

      - Jul 01, 2002
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    Selective interaction of plant homeodomain proteins mediates high DNA-binding affinity

    Harley M. S. Smith, Ilja Boschke, and Sarah Hake

    PNAS July 9, 2002 99 (14) 9579-9584; https://doi.org/10.1073/pnas.092271599
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    The systemin receptor SR160 from Lycopersicon peruvianum is a member of the LRR receptor kinase family

    • From the Cover

    Justin M. Scheer and Clarence A. Ryan Jr.

    PNAS July 9, 2002 99 (14) 9585-9590; https://doi.org/10.1073/pnas.132266499

    See companion article:

    • Plant receptor kinases: Systemin receptor identified

      - Jul 01, 2002

• Population Biology

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    The aging baboon: Comparative demography in a non-human primate

    Anne M. Bronikowski, Susan C. Alberts, Jeanne Altmann, Craig Packer, K. Dee Carey, and Marc Tatar

    PNAS July 9, 2002 99 (14) 9591-9595; https://doi.org/10.1073/pnas.142675599

• Psychology

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    Rapid natural scene categorization in the near absence of attention

    Fei Fei Li, Rufin VanRullen, Christof Koch, and Pietro Perona

    PNAS July 9, 2002 99 (14) 9596-9601; https://doi.org/10.1073/pnas.092277599