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THIS WEEK IN PNAS

In This Issue
PNAS 2007 104: 12951-12952. [Full Text] [PDF]  

COMMENTARIES

Richard D. Kolodner, Marc L. Mendillo, and Christopher D. Putnam

Coupling distant sites in DNA during DNA mismatch repair
PNAS 2007 104: 12953-12954; published online before print July 30 2007, 10.1073/pnas.0705698104 [Extract] [Full Text] [Figures Only] [PDF]  
See companion article on page 12709 in issue 31 of volume 104

NOBEL LECTURE

Roger D. Kornberg

The molecular basis of eukaryotic transcription
PNAS 2007 104: 12955-12961; published online before print August 1 2007, 10.1073/pnas.0704138104 [Extract] [Full Text] [Figures Only] [PDF]  

PERSPECTIVES

Roger D. Kornberg

The molecular basis of eukaryotic transcription
PNAS 2007 104: 12955-12961; published online before print August 1 2007, 10.1073/pnas.0704138104 [Extract] [Full Text] [Figures Only] [PDF]  

PHYSICAL SCIENCES

Applied Physical Sciences

David B. Rozema, David L. Lewis, Darren H. Wakefield, So C. Wong, Jason J. Klein, Paula L. Roesch, Stephanie L. Bertin, Tom W. Reppen, Qili Chu, Andrei V. Blokhin, James E. Hagstrom, and Jon A. Wolff

Dynamic PolyConjugates for targeted in vivo delivery of siRNA to hepatocytes
PNAS 2007 104: 12982-12987; published online before print July 24 2007, 10.1073/pnas.0703778104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Chemistry

Ognjen S Miljanic and J. Fraser Stoddart

Dynamic donor–acceptor [2]catenanes
PNAS 2007 104: 12966-12970; published online before print August 1 2007, 10.1073/pnas.0704136104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Geology

SOCIAL SCIENCES

Psychology

Keith Jensen, Josep Call, and Michael Tomasello

Chimpanzees are vengeful but not spiteful
PNAS 2007 104: 13046-13050; published online before print July 20 2007, 10.1073/pnas.0705555104 [Abstract] [Full Text] [Figures Only] [PDF]  

BIOLOGICAL SCIENCES

Agricultural Sciences

Hans T. Alborn, Trond V. Hansen, Tappey H. Jones, Derrick C. Bennett, James H. Tumlinson, Eric A. Schmelz, and Peter E. A. Teal

Disulfooxy fatty acids from the American bird grasshopper Schistocerca americana, elicitors of plant volatiles
PNAS 2007 104: 12976-12981; published online before print July 30 2007, 10.1073/pnas.0705947104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Applied Biological Sciences

David B. Rozema, David L. Lewis, Darren H. Wakefield, So C. Wong, Jason J. Klein, Paula L. Roesch, Stephanie L. Bertin, Tom W. Reppen, Qili Chu, Andrei V. Blokhin, James E. Hagstrom, and Jon A. Wolff

Dynamic PolyConjugates for targeted in vivo delivery of siRNA to hepatocytes
PNAS 2007 104: 12982-12987; published online before print July 24 2007, 10.1073/pnas.0703778104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Paloma H. Giangrande, JianXin Zhang, Alice Tanner, Andrea D. Eckhart, Rachel E. Rempel, Eran R. Andrechek, Juliana M. Layzer, Janelle R. Keys, Per-Otto Hagen, Joseph R. Nevins, Walter J. Koch, and Bruce A. Sullenger

Distinct roles of E2F proteins in vascular smooth muscle cell proliferation and intimal hyperplasia
PNAS 2007 104: 12988-12993; published online before print July 25 2007, 10.1073/pnas.0704754104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Andreas Zumbuehl, Lino Ferreira, Duncan Kuhn, Anna Astashkina, Lisa Long, Yoon Yeo, Tiffany Iaconis, Mahmoud Ghannoum, Gerald R. Fink, Robert Langer, and Daniel S. Kohane

Antifungal hydrogels
PNAS 2007 104: 12994-12998; published online before print July 30 2007, 10.1073/pnas.0705250104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Biochemistry

Martin J. Gallagher, Li Ding, Ankit Maheshwari, and Robert L. Macdonald

The GABA_A receptor 1 subunit epilepsy mutation A322D inhibits transmembrane helix formation and causes proteasomal degradation
PNAS 2007 104: 12999-13004; published online before print August 1 2007, 10.1073/pnas.0700163104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Martin Andresen, Andre C. Stiel, Simon Trowitzsch, Gert Weber, Christian Eggeling, Markus C. Wahl, Stefan W. Hell, and Stefan Jakobs

Structural basis for reversible photoswitching in Dronpa
PNAS 2007 104: 13005-13009; published online before print July 23 2007, 10.1073/pnas.0700629104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Youngsoo Jun and William Wickner

Assays of vacuole fusion resolve the stages of docking, lipid mixing, and content mixing
PNAS 2007 104: 13010-13015; published online before print July 30 2007, 10.1073/pnas.0700970104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Boris Breiner, Jörg C. Schlatterer, Igor V. Alabugin, Serguei V. Kovalenko, and Nancy L. Greenbaum

DNA damage-site recognition by lysine conjugates
PNAS 2007 104: 13016-13021; published online before print July 30 2007, 10.1073/pnas.0705701104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Biophysics

Elhanan Magidovich, Irit Orr, Deborah Fass, Uri Abdu, and Ofer Yifrach

Intrinsic disorder in the C-terminal domain of the Shaker voltage-activated K⁺ channel modulates its interaction with scaffold proteins
PNAS 2007 104: 13022-13027; published online before print July 31 2007, 10.1073/pnas.0704059104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Cell Biology

Chi-Hwa Wu, Jan van Riggelen, Alper Yetil, Alice C. Fan, Pavan Bachireddy, and Dean W. Felsher

Cellular senescence is an important mechanism of tumor regression upon c-Myc inactivation
PNAS 2007 104: 13028-13033; published online before print July 30 2007, 10.1073/pnas.0701953104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Santanu K. Ghosh, Sujata Hajra, and Makkuni Jayaram

Faithful segregation of the multicopy yeast plasmid through cohesin-mediated recognition of sisters
PNAS 2007 104: 13034-13039; published online before print August 1 2007, 10.1073/pnas.0702996104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Guangwei Wei, Stephen Ku, Gene K. Ma, Shin'ichi Saito, Amy A. Tang, Jiasheng Zhang, Jian-Hua Mao, Ettore Appella, Allan Balmain, and Eric J. Huang HIPK2 represses -catenin-mediated transcription, epidermal stem cell expansion, and skin tumorigenesis PNAS 2007 104: 13040-13045; published online before print July 31 2007, 10.1073/pnas.0703213104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Informaiton] OPEN ACCESS ARTICLE

Evolution

Keith Jensen, Josep Call, and Michael Tomasello

Chimpanzees are vengeful but not spiteful
PNAS 2007 104: 13046-13050; published online before print July 20 2007, 10.1073/pnas.0705555104 [Abstract] [Full Text] [Figures Only] [PDF]  

Frederic Mery, Amsale T. Belay, Anthony K.-C. So, Marla B. Sokolowski, and Tadeusz J. Kawecki From the Cover: Natural polymorphism affecting learning and memory in Drosophila PNAS 2007 104: 13051-13055; published online before print July 19 2007, 10.1073/pnas.0702923104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figure]

Genetics

Dana C. Dolinoy, Dale Huang, and Randy L. Jirtle

Maternal nutrient supplementation counteracts bisphenol A-induced DNA hypomethylation in early development
PNAS 2007 104: 13056-13061; published online before print August 1 2007, 10.1073/pnas.0703739104 [Abstract] [Full Text] [Figures Only] [PDF]  

Daniele Grazziotin Soares, Alexandre E. Escargueil, Virginie Poindessous, Alain Sarasin, Aimery de Gramont, Diego Bonatto, João Antonio Pêgas Henriques, and Annette K. Larsen From the Cover: Replication and homologous recombination repair regulate DNA double-strand break formation by the antitumor alkylator ecteinascidin 743 PNAS 2007 104: 13062-13067; published online before print July 26 2007, 10.1073/pnas.0609877104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]

Zhiyong Mao, Andrei Seluanov, Ying Jiang, and Vera Gorbunova

TRF2 is required for repair of nontelomeric DNA double-strand breaks by homologous recombination
PNAS 2007 104: 13068-13073; published online before print August 1 2007, 10.1073/pnas.0702410104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figure]  

Immunology

Maria Koulmanda, Ejona Budo, Susan Bonner-Weir, Andi Qipo, Prabhakar Putheti, Nicolas Degauque, Hang Shi, Zhigang Fan, Jeffrey S. Flier, Hugh Auchincloss, Jr., Xin Xiao Zheng, and Terry B. Strom

Modification of adverse inflammation is required to cure new-onset type 1 diabetic hosts
PNAS 2007 104: 13074-13079; published online before print August 1 2007, 10.1073/pnas.0705863104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Luca Varani, Alexander J. Bankovich, Corey W. Liu, Leremy A. Colf, Lindsay L. Jones, David M. Kranz, Joseph D. Puglisi, and K. Christopher Garcia

Solution mapping of T cell receptor docking footprints on peptide-MHC
PNAS 2007 104: 13080-13085; published online before print August 1 2007, 10.1073/pnas.0703702104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Medical Sciences

Jae K. Lee, Dmytro M. Havaleshko, HyungJun Cho, John N. Weinstein, Eric P. Kaldjian, John Karpovich, Andrew Grimshaw, and Dan Theodorescu

A strategy for predicting the chemosensitivity of human cancers and its application to drug discovery
PNAS 2007 104: 13086-13091; published online before print July 31 2007, 10.1073/pnas.0610292104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Aleksandra Franovic, Lakshman Gunaratnam, Karlene Smith, Isabelle Robert, David Patten, and Stephen Lee

Translational up-regulation of the EGFR by tumor hypoxia provides a nonmutational explanation for its overexpression in human cancer
PNAS 2007 104: 13092-13097; published online before print August 1 2007, 10.1073/pnas.0702387104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Agnes Coste, Laurent Dubuquoy, Romain Barnouin, Jean-Sebastien Annicotte, Benjamin Magnier, Mario Notti, Nadia Corazza, Maria Cristina Antal, Daniel Metzger, Pierre Desreumaux, Thomas Brunner, Johan Auwerx, and Kristina Schoonjans

LRH-1-mediated glucocorticoid synthesis in enterocytes protects against inflammatory bowel disease
PNAS 2007 104: 13098-13103; published online before print August 1 2007, 10.1073/pnas.0702440104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Jinhui Wang, Jing Xie, Hui Lu, Lingxia Chen, Bernd Hauck, Richard Jude Samulski, and Weidong Xiao

Existence of transient functional double-stranded DNA intermediates during recombinant AAV transduction
PNAS 2007 104: 13104-13109; published online before print July 30 2007, 10.1073/pnas.0702778104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Dong Sung An, Robert E. Donahue, Masakazu Kamata, Betty Poon, Mark Metzger, Si-Hua Mao, Aylin Bonifacino, Allen E. Krouse, Jean-Luc Darlix, David Baltimore, F. Xiao-Feng Qin, and Irvin S. Y. Chen

Stable reduction of CCR5 by RNAi through hematopoietic stem cell transplant in non-human primates
PNAS 2007 104: 13110-13115; published online before print August 1 2007, 10.1073/pnas.0705474104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Y. M. Dennis Lo, Fiona M. F. Lun, K. C. Allen Chan, Nancy B. Y. Tsui, Ka C. Chong, Tze K. Lau, Tak Y. Leung, Benny C. Y. Zee, Charles R. Cantor, and Rossa W. K. Chiu From the Cover: Digital PCR for the molecular detection of fetal chromosomal aneuploidy PNAS 2007 104: 13116-13121; published online before print July 30 2007, 10.1073/pnas.0705765104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Jacob Bock Axelsen, Joseph Lotem, Leo Sachs, and Eytan Domany

Genes overexpressed in different human solid cancers exhibit different tissue-specific expression profiles
PNAS 2007 104: 13122-13127; published online before print July 30 2007, 10.1073/pnas.0705824104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Bramanandam Manavathi, Shaohua Peng, Suresh K. Rayala, Amjad H. Talukder, Minhua H. Wang, Rui-An Wang, Seetharaman Balasenthil, Neeraj Agarwal, Laura J. Frishman, and Rakesh Kumar

Repression of Six3 by a corepressor regulates rhodopsin expression
PNAS 2007 104: 13128-13133; published online before print July 31 2007, 10.1073/pnas.0705878104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Przemyslaw Juszczynski, Jing Ouyang, Stefano Monti, Scott J. Rodig, Kunihiko Takeyama, Jeremy Abramson, Wen Chen, Jeffery L. Kutok, Gabriel A. Rabinovich, and Margaret A. Shipp The AP1-dependent secretion of galectin-1 by Reed–Sternberg cells fosters immune privilege in classical Hodgkin lymphoma PNAS 2007 104: 13134-13139; published online before print August 1 2007, 10.1073/pnas.0706017104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures] OPEN ACCESS ARTICLE

Microbiology

Erick Lin and Patricia G. Spear

Random linker-insertion mutagenesis to identify functional domains of herpes simplex virus type 1 glycoprotein B
PNAS 2007 104: 13140-13145; published online before print July 31 2007, 10.1073/pnas.0705926104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Sebastian Fraune and Thomas C. G. Bosch Long-term maintenance of species-specific bacterial microbiota in the basal metazoan Hydra PNAS 2007 104: 13146-13151; published online before print July 30 2007, 10.1073/pnas.0703375104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Text] OPEN ACCESS ARTICLE

Neuroscience

Pranab K. Mukherjee, Victor L. Marcheselli, Sebastian Barreiro, Jane Hu, Dean Bok, and Nicolas G. Bazan

Neurotrophins enhance retinal pigment epithelial cell survival through neuroprotectin D1 signaling
PNAS 2007 104: 13152-13157; published online before print August 1 2007, 10.1073/pnas.0705949104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figure]  

Pranab K. Mukherjee, Victor L. Marcheselli, Juan Carlos de Rivero Vaccari, William C. Gordon, Fannie E. Jackson, and Nicolas G. Bazan

Photoreceptor outer segment phagocytosis attenuates oxidative stress-induced apoptosis with concomitant neuroprotectin D1 synthesis
PNAS 2007 104: 13158-13163; published online before print August 1 2007, 10.1073/pnas.0705963104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

M. Schabus, T. T. Dang-Vu, G. Albouy, E. Balteau, M. Boly, J. Carrier, A. Darsaud, C. Degueldre, M. Desseilles, S. Gais, C. Phillips, G. Rauchs, C. Schnakers, V. Sterpenich, G. Vandewalle, A. Luxen, and P. Maquet

Hemodynamic cerebral correlates of sleep spindles during human non-rapid eye movement sleep
PNAS 2007 104: 13164-13169; published online before print August 1 2007, 10.1073/pnas.0703084104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

D. Mantini, M. G. Perrucci, C. Del Gratta, G. L. Romani, and M. Corbetta

Electrophysiological signatures of resting state networks in the human brain
PNAS 2007 104: 13170-13175; published online before print August 1 2007, 10.1073/pnas.0700668104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Majid H. Mohajerani, Sudhir Sivakumaran, Paola Zacchi, Pedro Aguilera, and Enrico Cherubini

Correlated network activity enhances synaptic efficacy via BDNF and the ERK pathway at immature CA3–CA1 connections in the hippocampus
PNAS 2007 104: 13176-13181; published online before print July 26 2007, 10.1073/pnas.0704533104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Yangu Zhao, Kin-Ming Kwan, Christina M. Mailloux, Woon-Kyu Lee, Alexander Grinberg, Wolfgang Wurst, Richard R. Behringer, and Heiner Westphal

LIM-homeodomain proteins Lhx1 and Lhx5, and their cofactor Ldb1, control Purkinje cell differentiation in the developing cerebellum
PNAS 2007 104: 13182-13186; published online before print July 30 2007, 10.1073/pnas.0705464104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

David J. Schulz, Jean-Marc Goaillard, and Eve E. Marder Quantitative expression profiling of identified neurons reveals cell-specific constraints on highly variable levels of gene expression PNAS 2007 104: 13187-13191; published online before print July 25 2007, 10.1073/pnas.0705827104 [Abstract] [Full Text] [Figures Only] [PDF] OPEN ACCESS ARTICLE

Pharmacology

Physiology

Alexander Kaiser, C. Jaco Klok, John J. Socha, Wah-Keat Lee, Michael C. Quinlan, and Jon F. Harrison

Increase in tracheal investment with beetle size supports hypothesis of oxygen limitation on insect gigantism
PNAS 2007 104: 13198-13203; published online before print July 31 2007, 10.1073/pnas.0611544104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Plant Biology

Charles A. Price, Brian J. Enquist, and Van M. Savage

A general model for allometric covariation in botanical form and function
PNAS 2007 104: 13204-13209; published online before print July 30 2007, 10.1073/pnas.0702242104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]