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EDITORIAL

Nicholas R. Cozzarelli

An open access option for PNAS
PNAS 2004 101: 8509; published online before print May 27 2004, 10.1073/pnas.0403554101 [Extract] [Full Text] [PDF]  

COMMENTARIES

Aretha Fiebig and Julie A. Theriot

Bacteria make tracks to the pole
PNAS 2004 101: 8510-8511; published online before print June 1 2004, 10.1073/pnas.0402881101 [Extract] [Full Text] [PDF]  
See companion article on page 8643

Bradley E. Alger

Endocannabinoids: Getting the message across
PNAS 2004 101: 8512-8513; published online before print June 1 2004, 10.1073/pnas.0402935101 [Extract] [Full Text] [PDF]  
See companion article on page 8756

PHYSICAL SCIENCES

Applied Physical Sciences

Ain A. Sonin

A generalization of the -theorem and dimensional analysis
PNAS 2004 101: 8525-8526; published online before print June 1 2004, 10.1073/pnas.0402931101 [Abstract] [Full Text] [PDF]  

Chemistry

Ayako Hashimoto, Hideki Yorimitsu, Kumiko Ajima, Kazutomo Suenaga, Hiroyuki Isobe, Jin Miyawaki, Masako Yudasaka, Sumio Iijima, and Eiichi Nakamura

Selective deposition of a gadolinium(III) cluster in a hole opening of single-wall carbon nanohorn
PNAS 2004 101: 8527-8530; published online before print May 26 2004, 10.1073/pnas.0400596101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Carsten Peters, Alexander Wolf, Melanie Wagner, Jürgen Kuhlmann, and Herbert Waldmann

The cholesterol membrane anchor of the Hedgehog protein confers stable membrane association to lipid-modified proteins
PNAS 2004 101: 8531-8536; published online before print May 26 2004, 10.1073/pnas.0308449101 [Abstract] [Full Text] [PDF] [Supporting Text]  

Susan L. Mooberry, Deborah A. Randall-Hlubek, Rachel M. Leal, Sayee G. Hegde, Robert D. Hubbard, Lei Zhang, and Paul A. Wender From the Cover: Microtubule-stabilizing agents based on designed laulimalide analogues PNAS 2004 101: 8803-8808; published online before print May 25 2004, 10.1073/pnas.0402759101 [Abstract] [Full Text] [PDF]

Geophysics

Oliver W. Wingenter, Karl B. Haase, Peter Strutton, Gernot Friederich, Simone Meinardi, Donald R. Blake, and F. Sherwood Rowland

Changing concentrations of CO, CH₄, C₅H₈, CH₃Br, CH₃I, and dimethyl sulfide during the Southern Ocean Iron Enrichment Experiments
PNAS 2004 101: 8537-8541; published online before print June 1 2004, 10.1073/pnas.0402744101 [Abstract] [Full Text] [PDF]  

Physics

Troy Shinbrot, N.-H. Duong, L. Kwan, and M. M. Alvarez

Dry granular flows can generate surface features resembling those seen in Martian gullies
PNAS 2004 101: 8542-8546; published online before print May 28 2004, 10.1073/pnas.0308251101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Tongye Shen and Peter G. Wolynes

Stability and dynamics of crystals and glasses of motorized particles
PNAS 2004 101: 8547-8550; published online before print June 1 2004, 10.1073/pnas.0402602101 [Abstract] [Full Text] [PDF]  

SOCIAL SCIENCES

BIOLOGICAL SCIENCES

Biochemistry

Tianwei Li, Evgenij Evdokimov, Rong-Fong Shen, Chien-Chung Chao, Ephrem Tekle, Tao Wang, Earl R. Stadtman, David C. H. Yang, and P. Boon Chock

Sumoylation of heterogeneous nuclear ribonucleoproteins, zinc finger proteins, and nuclear pore complex proteins: A proteomic analysis
PNAS 2004 101: 8551-8556; published online before print May 25 2004, 10.1073/pnas.0402889101 [Abstract] [Full Text] [PDF]  

Xiaofeng Liu and Elizabeth C. Theil

Ferritin reactions: Direct identification of the site for the diferric peroxide reaction intermediate
PNAS 2004 101: 8557-8562; published online before print May 27 2004, 10.1073/pnas.0401146101 [Abstract] [Full Text] [PDF]  

Kehao Zhao, Robyn Harshaw, Xiaomei Chai, and Ronen Marmorstein

Structural basis for nicotinamide cleavage and ADP-ribose transfer by NAD⁺-dependent Sir2 histone/protein deacetylases
PNAS 2004 101: 8563-8568; published online before print May 18 2004, 10.1073/pnas.0401057101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Jochen Wuerges, Jin-Won Lee, Yang-In Yim, Hyung-Soon Yim, Sa-Ouk Kang, and Kristina Djinovic Carugo

Crystal structure of nickel-containing superoxide dismutase reveals another type of active site
PNAS 2004 101: 8569-8574; published online before print June 1 2004, 10.1073/pnas.0308514101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Douglas A. Bernstein, Julie M. Eggington, Michael P. Killoran, Ana M. Misic, Michael M. Cox, and James L. Keck

Crystal structure of the Deinococcus radiodurans single-stranded DNA-binding protein suggests a mechanism for coping with DNA damage
PNAS 2004 101: 8575-8580; published online before print May 24 2004, 10.1073/pnas.0401331101 [Abstract] [Full Text] [PDF]  

Letian Kuai, Feng Fang, J. Scott Butler, and Fred Sherman

Polyadenylation of rRNA in Saccharomyces cerevisiae
PNAS 2004 101: 8581-8586; published online before print June 1 2004, 10.1073/pnas.0402888101 [Abstract] [Full Text] [PDF]  

M. S. R. Sastry, Paulene M. Quigley, Wim G. J. Hol, and François Baneyx

The linker-loop region of Escherichia coli chaperone Hsp31 functions as a gate that modulates high-affinity substrate binding at elevated temperatures
PNAS 2004 101: 8587-8592; published online before print June 1 2004, 10.1073/pnas.0403033101 [Abstract] [Full Text] [PDF]  

V. Pezo, D. Metzgar, T. L. Hendrickson, W. F. Waas, S. Hazebrouck, V. Döring, P. Marlière, P. Schimmel, and V. de Crécy-Lagard

Artificially ambiguous genetic code confers growth yield advantage
PNAS 2004 101: 8593-8597; published online before print May 26 2004, 10.1073/pnas.0402893101 [Abstract] [Full Text] [PDF]  

Zhaohui Feng, Wenwei Hu, and Moon-shong Tang

Trans-4-hydroxy-2-nonenal inhibits nucleotide excision repair in human cells: A possible mechanism for lipid peroxidation-induced carcinogenesis
PNAS 2004 101: 8598-8602. [Abstract] [Full Text] [PDF]  

D. Scott Witherow, Tiffany Runyan Garrison, William E. Miller, and Robert J. Lefkowitz

-Arrestin inhibits NF-B activity by means of its interaction with the NF-B inhibitor IB
PNAS 2004 101: 8603-8607; published online before print June 1 2004, 10.1073/pnas.0402851101 [Abstract] [Full Text] [PDF]  

Vera A. Stupina and James C. Wang

DNA axial rotation and the merge of oppositely supercoiled DNA domains in Escherichia coli: Effects of DNA bends
PNAS 2004 101: 8608-8613; published online before print June 1 2004, 10.1073/pnas.0402849101 [Abstract] [Full Text] [PDF]  

Koki Moriyoshi, Kouichirou Iijima, Hajime Fujii, Hiroshi Ito, Yoshimi Cho, and Shigetada Nakanishi

Seven in absentia homolog 1A mediates ubiquitination and degradation of group 1 metabotropic glutamate receptors
PNAS 2004 101: 8614-8619; published online before print May 26 2004, 10.1073/pnas.0403042101 [Abstract] [Full Text] [PDF]  

Timur M. Yusufzai and Gary Felsenfeld

The 5'-HS4 chicken -globin insulator is a CTCF-dependent nuclear matrix-associated element
PNAS 2004 101: 8620-8624; published online before print May 28 2004, 10.1073/pnas.0402938101 [Abstract] [Full Text] [PDF]  

David L. Satinover, Craig A. Leach, P. Todd Stukenberg, and David L. Brautigan

Activation of Aurora-A kinase by protein phosphatase inhibitor-2, a bifunctional signaling protein
PNAS 2004 101: 8625-8630; published online before print June 1 2004, 10.1073/pnas.0402966101 [Abstract] [Full Text] [PDF]  

Ken'ichi Moto, Masataka G. Suzuki, J. Joe Hull, Ryuichiro Kurata, Shunya Takahashi, Masanobu Yamamoto, Kazuhiro Okano, Kiyohiro Imai, Tetsu Ando, and Shogo Matsumoto

Involvement of a bifunctional fatty-acyl desaturase in the biosynthesis of the silkmoth, Bombyx mori, sex pheromone
PNAS 2004 101: 8631-8636; published online before print June 1 2004, 10.1073/pnas.0402056101 [Abstract] [Full Text] [PDF]  

Biophysics

Linghao Zhong, Xin Wen, Terry M. Rabinowitz, Brandy S. Russell, Elizabeth F. Karan, and Kara L. Bren

Heme axial methionine fluxionality in Hydrogenobacter thermophilus cytochrome c₅₅₂
PNAS 2004 101: 8637-8642; published online before print May 25 2004, 10.1073/pnas.0402033101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Cell Biology

Ecology

Juan Carlos Castilla, Ricardo Guiñez, Andrés U. Caro, and Verónica Ortiz Inaugural Article by a Recently Elected Academy Member: Inaugural Article: Invasion of a rocky intertidal shore by the tunicate Pyura praeputialis in the Bay of Antofagasta, Chile PNAS 2004 101: 8517-8524; published online before print April 26 2004, 10.1073/pnas.0401921101 [Abstract] [Full Text] [PDF]

Evolution

Christian W. W. Pirk, Peter Neumann, Randall Hepburn, Robin F. A. Moritz, and Jürgen Tautz

Egg viability and worker policing in honey bees
PNAS 2004 101: 8649-8651; published online before print May 28 2004, 10.1073/pnas.0402506101 [Abstract] [Full Text] [PDF]  

Genetics

Stephen R. F. Twigg, Rui Kan, Christian Babbs, Elena G. Bochukova, Stephen P. Robertson, Steven A. Wall, Gillian M. Morriss-Kay, and Andrew O. M. Wilkie

Mutations of ephrin-B1 (EFNB1), a marker of tissue boundary formation, cause craniofrontonasal syndrome
PNAS 2004 101: 8652-8657; published online before print May 27 2004, 10.1073/pnas.0402819101 [Abstract] [Full Text] [PDF] [Supporting Tables]  

Syed H. Askree, Tal Yehuda, Sarit Smolikov, Raya Gurevich, Joshua Hawk, Carrie Coker, Anat Krauskopf, Martin Kupiec, and Michael J. McEachern From the Cover: A genome-wide screen for Saccharomyces cerevisiae deletion mutants that affect telomere length PNAS 2004 101: 8658-8663; published online before print May 25 2004, 10.1073/pnas.0401263101 [Abstract] [Full Text] [PDF] [Supporting Information]   See Commentary on page 9515

Kirk Mykytyn, Robert F. Mullins, Michael Andrews, Annie P. Chiang, Ruth E. Swiderski, Baoli Yang, Terry Braun, Thomas Casavant, Edwin M. Stone, and Val C. Sheffield

Bardet–Biedl syndrome type 4 (BBS4)-null mice implicate Bbs4 in flagella formation but not global cilia assembly
PNAS 2004 101: 8664-8669; published online before print June 1 2004, 10.1073/pnas.0402354101 [Abstract] [Full Text] [PDF]  

Immunology

Gabrielle T. Belz, Christopher M. Smith, Lauren Kleinert, Patrick Reading, Andrew Brooks, Ken Shortman, Francis R. Carbone, and William R. Heath

Distinct migrating and nonmigrating dendritic cell populations are involved in MHC class I-restricted antigen presentation after lung infection with virus
PNAS 2004 101: 8670-8675; published online before print May 26 2004, 10.1073/pnas.0402644101 [Abstract] [Full Text] [PDF]  

Medical Sciences

Qing Ge, Lily Filip, Ailin Bai, Tam Nguyen, Herman N. Eisen, and Jianzhu Chen

Inhibition of influenza virus production in virus-infected mice by RNA interference
PNAS 2004 101: 8676-8681; published online before print June 1 2004, 10.1073/pnas.0402486101 [Abstract] [Full Text] [PDF]  

Stephen Mark Tompkins, Chia-Yun Lo, Terrence M. Tumpey, and Suzanne L. Epstein

Protection against lethal influenza virus challenge by RNA interference in vivo
PNAS 2004 101: 8682-8686; published online before print June 1 2004, 10.1073/pnas.0402630101 [Abstract] [Full Text] [PDF]  

Hirotaka Fukasawa, Tatsuo Yamamoto, Akashi Togawa, Naro Ohashi, Yoshihide Fujigaki, Toshiaki Oda, Chiharu Uchida, Kyoko Kitagawa, Takayuki Hattori, Sayuri Suzuki, Masatoshi Kitagawa, and Akira Hishida

Down-regulation of Smad7 expression by ubiquitin-dependent degradation contributes to renal fibrosis in obstructive nephropathy in mice
PNAS 2004 101: 8687-8692; published online before print June 1 2004, 10.1073/pnas.0400035101 [Abstract] [Full Text] [PDF] [Supporting Figure]  

S. Bhaumik, Z. Walls, M. Puttaraju, L. G. Mitchell, and S. S. Gambhir

Molecular imaging of gene expression in living subjects by spliceosome-mediated RNA trans-splicing
PNAS 2004 101: 8693-8698; published online before print May 25 2004, 10.1073/pnas.0402772101 [Abstract] [Full Text] [PDF]  

Geert J. P. L. Kops, Daniel R. Foltz, and Don W. Cleveland

Lethality to human cancer cells through massive chromosome loss by inhibition of the mitotic checkpoint
PNAS 2004 101: 8699-8704; published online before print May 24 2004, 10.1073/pnas.0401142101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Bibiana Bielekova, Nancy Richert, Thomas Howard, Gregg Blevins, Silva Markovic-Plese, Jennifer McCartin, Jens Würfel, Joan Ohayon, Thomas A. Waldmann, Henry F. McFarland, and Roland Martin

Humanized anti-CD25 (daclizumab) inhibits disease activity in multiple sclerosis patients failing to respond to interferon
PNAS 2004 101: 8705-8708; published online before print May 25 2004, 10.1073/pnas.0402653101 [Abstract] [Full Text] [PDF]  

Paolo Ingallinella, Elisabetta Bianchi, Marco Finotto, Giovanna Cantoni, Debra M. Eckert, Vinit M. Supekar, Chiara Bruckmann, Andrea Carfi, and Antonello Pessi

Structural characterization of the fusion-active complex of severe acute respiratory syndrome (SARS) coronavirus
PNAS 2004 101: 8709-8714; published online before print May 25 2004, 10.1073/pnas.0402753101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Brett G. Masayesva, Patrick Ha, Elizabeth Garrett-Mayer, Thomas Pilkington, Rong Mao, Jonathan Pevsner, Traci Speed, Nicole Benoit, Chul-So Moon, David Sidransky, William H. Westra, and Joseph Califano

Gene expression alterations over large chromosomal regions in cancers include multiple genes unrelated to malignant progression
PNAS 2004 101: 8715-8720; published online before print May 20 2004, 10.1073/pnas.0400027101 [Abstract] [Full Text] [PDF] [Supporting Table]  

Microbiology

Puran S. Sijwali, Kentaro Kato, Karl B. Seydel, Jiri Gut, Julie Lehman, Michael Klemba, Daniel E. Goldberg, Louis H. Miller, and Philip J. Rosenthal

Plasmodium falciparum cysteine protease falcipain-1 is not essential in erythrocytic stage malaria parasites
PNAS 2004 101: 8721-8726; published online before print May 27 2004, 10.1073/pnas.0402738101 [Abstract] [Full Text] [PDF]  

Scott G. Kitchen, Nicole R. Jones, Stuart LaForge, Jason K. Whitmire, Bien-Aimee Vu, Zoran Galic, David G. Brooks, Stephen J. Brown, Christina M. R. Kitchen, and Jerome A. Zack

CD4 on CD8⁺ T cells directly enhances effector function and is a target for HIV infection
PNAS 2004 101: 8727-8732; published online before print June 1 2004, 10.1073/pnas.0401500101 [Abstract] [Full Text] [PDF]  

Kyeong-Ok Chang, Stanislav V. Sosnovtsev, Gaël Belliot, Yunjeong Kim, Linda J. Saif, and Kim Y. Green

Bile acids are essential for porcine enteric calicivirus replication in association with down-regulation of signal transducer and activator of transcription 1
PNAS 2004 101: 8733-8738; published online before print May 25 2004, 10.1073/pnas.0401126101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Claudia Rollenhagen, Meike Sörensen, Konstantin Rizos, Robert Hurvitz, and Dirk Bumann

Antigen selection based on expression levels during infection facilitates vaccine development for an intracellular pathogen
PNAS 2004 101: 8739-8744; published online before print June 1 2004, 10.1073/pnas.0401283101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Neuroscience

Junji Hirota and Peter Mombaerts

The LIM-homeodomain protein Lhx2 is required for complete development of mouse olfactory sensory neurons
PNAS 2004 101: 8751-8755; published online before print June 1 2004, 10.1073/pnas.0400940101 [Abstract] [Full Text] [PDF]  

D. Fegley, S. Kathuria, R. Mercier, C. Li, A. Goutopoulos, A. Makriyannis, and D. Piomelli From the Cover: Anandamide transport is independent of fatty-acid amide hydrolase activity and is blocked by the hydrolysis-resistant inhibitor AM1172 PNAS 2004 101: 8756-8761; published online before print May 11 2004, 10.1073/pnas.0400997101 [Abstract] [Full Text] [PDF]   See Commentary on page 8512

Shawn M. Ferguson, Mihaela Bazalakova, Valentina Savchenko, Juan Carlos Tapia, Jane Wright, and Randy D. Blakely

Lethal impairment of cholinergic neurotransmission in hemicholinium-3-sensitive choline transporter knockout mice
PNAS 2004 101: 8762-8767; published online before print June 1 2004, 10.1073/pnas.0401667101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Alvaro Arjona, Laura Simarro, Florian Islinger, Noriyuki Nishida, and Laura Manuelidis

Two Creutzfeldt–Jakob disease agents reproduce prion protein-independent identities in cell cultures
PNAS 2004 101: 8768-8773; published online before print May 25 2004, 10.1073/pnas.0400158101 [Abstract] [Full Text] [PDF] [Supporting Figure]  

Junji Yamauchi, Jonah R. Chan, and Eric M. Shooter

Neurotrophins regulate Schwann cell migration by activating divergent signaling pathways dependent on Rho GTPases
PNAS 2004 101: 8774-8779; published online before print May 25 2004, 10.1073/pnas.0402795101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Justin W. Taraska and Wolfhard Almers

Bilayers merge even when exocytosis is transient
PNAS 2004 101: 8780-8785; published online before print June 1 2004, 10.1073/pnas.0401316101 [Abstract] [Full Text] [PDF] [Supporting Movies]  

Elena Nikulina, J. Lille Tidwell, Hai Ning Dai, Barbara S. Bregman, and Marie T. Filbin

The phosphodiesterase inhibitor rolipram delivered after a spinal cord lesion promotes axonal regeneration and functional recovery
PNAS 2004 101: 8786-8790; published online before print June 1 2004, 10.1073/pnas.0402595101 [Abstract] [Full Text] [PDF]  

P. Nagele, L. B. Metz, and C. M. Crowder

Nitrous oxide (N₂O) requires the N-methyl-D-aspartate receptor for its action in Caenorhabditis elegans
PNAS 2004 101: 8791-8796; published online before print May 24 2004, 10.1073/pnas.0402825101 [Abstract] [Full Text] [PDF]  

Pharmacology

Claudio Napoli, Sharon Williams-Ignarro, Filomena de Nigris, Lilach O. Lerman, Loredana Rossi, Carmen Guarino, Gelsomina Mansueto, Francesco Di Tuoro, Orlando Pignalosa, Gaetano De Rosa, Vincenzo Sica, and Louis J. Ignarro

Long-term combined beneficial effects of physical training and metabolic treatment on atherosclerosis in hypercholesterolemic mice
PNAS 2004 101: 8797-8802; published online before print May 28 2004, 10.1073/pnas.0402734101 [Abstract] [Full Text] [PDF]  

Susan L. Mooberry, Deborah A. Randall-Hlubek, Rachel M. Leal, Sayee G. Hegde, Robert D. Hubbard, Lei Zhang, and Paul A. Wender From the Cover: Microtubule-stabilizing agents based on designed laulimalide analogues PNAS 2004 101: 8803-8808; published online before print May 25 2004, 10.1073/pnas.0402759101 [Abstract] [Full Text] [PDF]

Physiology

Carlos E. Irarrazabal, Jennifer C. Liu, Maurice B. Burg, and Joan D. Ferraris

ATM, a DNA damage-inducible kinase, contributes to activation by high NaCl of the transcription factor TonEBP/OREBP
PNAS 2004 101: 8809-8814; published online before print June 1 2004, 10.1073/pnas.0403062101 [Abstract] [Full Text] [PDF]  

Jae-Kwon Lee, Soo-Hyun Kim, Eli C. Lewis, Tania Azam, Leonid L. Reznikov, and Charles A. Dinarello

Differences in signaling pathways by IL-1 and IL-18
PNAS 2004 101: 8815-8820; published online before print May 25 2004, 10.1073/pnas.0402800101 [Abstract] [Full Text] [PDF]  

Plant Biology

Masayuki Higuchi, Melissa S. Pischke, Ari Pekka Mähönen, Kaori Miyawaki, Yukari Hashimoto, Motoaki Seki, Masatomo Kobayashi, Kazuo Shinozaki, Tomohiko Kato, Satoshi Tabata, Ykä Helariutta, Michael R. Sussman, and Tatsuo Kakimoto

In planta functions of the Arabidopsis cytokinin receptor family
PNAS 2004 101: 8821-8826; published online before print May 27 2004, 10.1073/pnas.0402887101 [Abstract] [Full Text] [PDF] [Supporting Information]  

Ryoung Shin and Daniel P. Schachtman

Hydrogen peroxide mediates plant root cell response to nutrient deprivation
PNAS 2004 101: 8827-8832; published online before print June 1 2004, 10.1073/pnas.0401707101 [Abstract] [Full Text] [PDF] [Supporting Table]  

Steven Jansen, Pieter Baas, Peter Gasson, Frederic Lens, and Erik Smets

Variation in xylem structure from tropics to tundra: Evidence from vestured pits
PNAS 2004 101: 8833-8837; published online before print May 26 2004, 10.1073/pnas.0402621101 [Abstract] [Full Text] [PDF] [Supporting Text]  

CORRECTIONS

Correction for Kempe et al., Atomic force microscopy of Precambrian microscopic fossils, PNAS 2002 99:9117-9120 [Extract] [Full Text] [PDF]