PNAS -- Table of Contents (Apr 10 2007, 104 (15))

Cover

Table of Contents

April 10, 2007; 104 (15) [Index By Author] [Cover Photo] [Masthead (PDF)]

FROM THE COVER

Preferential attachment from optimization

Fossil teeth of earliest modern humans

Engineered halogen bonds direct conformation

Ancient origin of lentiviruses

Mutated Clock gene induces mania

THIS WEEK IN PNAS

FROM THE ACADEMY

COMMENTARIES

COLLOQUIUM

PHYSICAL SCIENCES
    Applied Mathematics
    Computer Sciences
    Geology
    Physics

BIOLOGICAL SCIENCES
    Anthropology
    Biochemistry
    Biophysics
    Cell Biology
    Developmental Biology
    Ecology
    Environmental Sciences
    Evolution
    Genetics

    Immunology
    Medical Sciences
    Microbiology
    Neuroscience
    Physiology
    Plant Biology
    Population Biology
    Sustainability Science

CORRECTIONS

Access PNAS articles and abstracts: Instruction

THIS WEEK IN PNAS

In This Issue
PNAS 2007 104: 6091-6092. [Full Text] [PDF]

FROM THE ACADEMY

Johan Rockström, Mats Lannerstad, and Malin Falkenmark: Assessing the water challenge of a new green revolution in developing countries
PNAS 2007 104: 6253-6260; published online before print April 2 2007, 10.1073/pnas.0605739104 [Abstract] [Full Text] [Figures Only] [PDF]

COMMENTARIES

Christopher Dean: Growing up slowly 160,000 years ago
PNAS 2007 104: 6093-6094; published online before print April 2 2007, 10.1073/pnas.0701317104 [Extract] [Full Text] [PDF]
See companion article on page 6128

Edward C. Holmes: Ancient lentiviruses leave their mark
PNAS 2007 104: 6095-6096; published online before print April 2 2007, 10.1073/pnas.0701578104 [Extract] [Full Text] [PDF]
See companion article on page 6261

Joseph T. Coyle: What can a clock mutation in mice tell us about bipolar disorder?
PNAS 2007 104: 6097-6098; published online before print April 2 2007, 10.1073/pnas.0701491104 [Extract] [Full Text] [Figures Only] [PDF]
See companion article on page 6406

COLLOQUIUM

Johan Rockström, Mats Lannerstad, and Malin Falkenmark: Assessing the water challenge of a new green revolution in developing countries
PNAS 2007 104: 6253-6260; published online before print April 2 2007, 10.1073/pnas.0605739104 [Abstract] [Full Text] [Figures Only] [PDF]

PHYSICAL SCIENCES

Applied Mathematics

Peter Jagers, Fima C. Klebaner, and Serik Sagitov: On the path to extinction
PNAS 2007 104: 6107-6111; published online before print April 3 2007, 10.1073/pnas.0610816104 [Abstract] [Full Text] [Figures Only] [PDF] OPEN ACCESS ARTICLE

Computer Sciences

Raissa M. D'Souza, Christian Borgs, Jennifer T. Chayes, Noam Berger, and Robert D. Kleinberg: From the Cover: Emergence of tempered preferential attachment from optimization
PNAS 2007 104: 6112-6117; published online before print March 29 2007, 10.1073/pnas.0606779104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Nuno Bandeira, Dekel Tsur, Ari Frank, and Pavel A. Pevzner: Protein identification by spectral networks analysis
PNAS 2007 104: 6140-6145; published online before print April 2 2007, 10.1073/pnas.0701130104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Geology

Matthew L. Kirwan and A. Brad Murray: A coupled geomorphic and ecological model of tidal marsh evolution
PNAS 2007 104: 6118-6122; published online before print March 26 2007, 10.1073/pnas.0700958104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Physics

Angela Kopp, Amit Ghosal, and Sudip Chakravarty: Competing ferromagnetism in high-temperature copper oxide superconductors
PNAS 2007 104: 6123-6127; published online before print April 2 2007, 10.1073/pnas.0701265104 [Abstract] [Full Text] [Figures Only] [PDF]

BIOLOGICAL SCIENCES

Anthropology

Tanya M. Smith, Paul Tafforeau, Donald J. Reid, Rainer Grün, Stephen Eggins, Mohamed Boutakiout, and Jean-Jacques Hublin: From the Cover: Earliest evidence of modern human life history in North African early Homo sapiens
PNAS 2007 104: 6128-6133; published online before print March 19 2007, 10.1073/pnas.0700747104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE
See Commentary on page 6093

T. W. McDade, V. Reyes-García, P. Blackinton, S. Tanner, T. Huanca, and W. R. Leonard: Ethnobotanical knowledge is associated with indices of child health in the Bolivian Amazon
PNAS 2007 104: 6134-6139; published online before print March 26 2007, 10.1073/pnas.0609123104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Biochemistry

Nuno Bandeira, Dekel Tsur, Ari Frank, and Pavel A. Pevzner: Protein identification by spectral networks analysis
PNAS 2007 104: 6140-6145; published online before print April 2 2007, 10.1073/pnas.0701130104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Nader Pourmand, Stefano Caramuta, Andrea Villablanca, Silvia Mori, Miloslav Karhanek, Shan X. Wang, and Ronald W. Davis
Branch migration displacement assay with automated heuristic analysis for discrete DNA length measurement using DNA microarrays
PNAS 2007 104: 6146-6151; published online before print March 27 2007, 10.1073/pnas.0700921104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Craig W. Vander Kooi, Manuel A. Jusino, Benjamin Perman, David B. Neau, Henry D. Bellamy, and Daniel J. Leahy: Structural basis for ligand and heparin binding to neuropilin B domains
PNAS 2007 104: 6152-6157; published online before print April 3 2007, 10.1073/pnas.0700043104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Ngolela Esther Babady, Yuan-Ping Pang, Orly Elpeleg, and Grazia Isaya: Cryptic proteolytic activity of dihydrolipoamide dehydrogenase
PNAS 2007 104: 6158-6163; published online before print April 2 2007, 10.1073/pnas.0610618104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

M. Kenzelmann, S. Maertens, M. Hergenhahn, S. Kueffer, A. Hotz-Wagenblatt, L. Li, S. Wang, C. Ittrich, T. Lemberger, R. Arribas, S. Jonnakuty, M. C. Hollstein, W. Schmid, N. Gretz, H. J. Gröne, and G. Schütz: Microarray analysis of newly synthesized RNA in cells and animals
PNAS 2007 104: 6164-6169; published online before print April 3 2007, 10.1073/pnas.0610439104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Igor Alexeev, Azmiri Sultana, Pekka Mäntsälä, Jarmo Niemi, and Gunter Schneider: Aclacinomycin oxidoreductase (AknOx) from the biosynthetic pathway of the antibiotic aclacinomycin is an unusual flavoenzyme with a dual active site
PNAS 2007 104: 6170-6175; published online before print March 29 2007, 10.1073/pnas.0700579104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]

Nancy C. Friedrich, Eduard Torrents, Ewan A. Gibb, Margareta Sahlin, Britt-Marie Sjöberg, and David R. Edgell: Insertion of a homing endonuclease creates a genes-in-pieces ribonucleotide reductase that retains function
PNAS 2007 104: 6176-6181; published online before print March 29 2007, 10.1073/pnas.0609915104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Sohail Malik, María J. Barrero, and Tara Jones: Identification of a regulator of transcription elongation as an accessory factor for the human Mediator coactivator
PNAS 2007 104: 6182-6187; published online before print April 2 2007, 10.1073/pnas.0608717104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figure]

Biophysics

Andrea Regier Voth, Franklin A. Hays, and P. Shing Ho: From the Cover: Directing macromolecular conformation through halogen bonds
PNAS 2007 104: 6188-6193; published online before print March 22 2007, 10.1073/pnas.0610531104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]

G. D. Jay, J. R. Torres, M. L. Warman, M. C. Laderer, and K. S. Breuer: The role of lubricin in the mechanical behavior of synovial fluid
PNAS 2007 104: 6194-6199; published online before print April 2 2007, 10.1073/pnas.0608558104 [Abstract] [Full Text] [Figures Only] [PDF]

Leo C. James, Anthony H. Keeble, Zahra Khan, David A. Rhodes, and John Trowsdale: Structural basis for PRYSPRY-mediated tripartite motif (TRIM) protein function
PNAS 2007 104: 6200-6205; published online before print March 30 2007, 10.1073/pnas.0609174104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Justin L. MacCallum, Maria Sabaye Moghaddam, Hue Sun Chan, and D. Peter Tieleman
Hydrophobic association of ${alpha}$ -helices, steric dewetting, and enthalpic barriers to protein folding
PNAS 2007 104: 6206-6210; published online before print April 2 2007, 10.1073/pnas.0605859104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures] OPEN ACCESS ARTICLE

Alessandro Arcovito, Maurizio Benfatto, Michele Cianci, S. Samar Hasnain, Karin Nienhaus, G. Ulrich Nienhaus, Carmelinda Savino, Richard W. Strange, Beatrice Vallone, and Stefano Della Longa: X-ray structure analysis of a metalloprotein with enhanced active-site resolution using in situ x-ray absorption near edge structure spectroscopy
PNAS 2007 104: 6211-6216; published online before print April 2 2007, 10.1073/pnas.0608411104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Cell Biology

Peter E. Czabotar, Erinna F. Lee, Mark F. van Delft, Catherine L. Day, Brian J. Smith, David C. S. Huang, W. Douglas Fairlie, Mark G. Hinds, and Peter M. Colman: Structural insights into the degradation of Mcl-1 induced by BH3 domains
PNAS 2007 104: 6217-6222; published online before print March 27 2007, 10.1073/pnas.0701297104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Juan M. Funes, Marisol Quintero, Stephen Henderson, Dolores Martinez, Uzma Qureshi, Claire Westwood, Mark O. Clements, Dimitra Bourboulia, R. Barbara Pedley, Salvador Moncada, and Chris Boshoff: Transformation of human mesenchymal stem cells increases their dependency on oxidative phosphorylation for energy production
PNAS 2007 104: 6223-6228; published online before print March 23 2007, 10.1073/pnas.0700690104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Martine Cohen-Salmon, Béatrice Regnault, Nadège Cayet, Dorothée Caille, Karine Demuth, Jean-Pierre Hardelin, Nathalie Janel, Paolo Meda, and Christine Petit: Connexin30 deficiency causes instrastrial fluid–blood barrier disruption within the cochlear stria vascularis
PNAS 2007 104: 6229-6234; published online before print March 30 2007, 10.1073/pnas.0605108104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Mara C. Duncan, David G. Ho, Jing Huang, Michael E. Jung, and Gregory S. Payne: Composite synthetic lethal identification of membrane traffic inhibitors
PNAS 2007 104: 6235-6240; published online before print April 2 2007, 10.1073/pnas.0607773104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Text]

Developmental Biology

Amir Rubinstein, Vyacheslav Gurevich, Zohar Kasulin-Boneh, Lilach Pnueli, Yona Kassir, and Ron Y. Pinter: Faithful modeling of transient expression and its application to elucidating negative feedback regulation
PNAS 2007 104: 6241-6246; published online before print March 30 2007, 10.1073/pnas.0611168104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]

Ingrid C. Rulifson, Satyajit K. Karnik, Patrick W. Heiser, Derk ten Berge, Hainan Chen, Xueying Gu, Makoto M. Taketo, Roel Nusse, Matthias Hebrok, and Seung K. Kim
Wnt signaling regulates pancreatic $beta$ cell proliferation
PNAS 2007 104: 6247-6252; published online before print April 2 2007, 10.1073/pnas.0701509104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Ecology

Matthew L. Kirwan and A. Brad Murray: A coupled geomorphic and ecological model of tidal marsh evolution
PNAS 2007 104: 6118-6122; published online before print March 26 2007, 10.1073/pnas.0700958104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Environmental Sciences

Johan Rockström, Mats Lannerstad, and Malin Falkenmark: Assessing the water challenge of a new green revolution in developing countries
PNAS 2007 104: 6253-6260; published online before print April 2 2007, 10.1073/pnas.0605739104 [Abstract] [Full Text] [Figures Only] [PDF]

Evolution

Aris Katzourakis, Michael Tristem, Oliver G. Pybus, and Robert J. Gifford: From the Cover: Discovery and analysis of the first endogenous lentivirus
PNAS 2007 104: 6261-6265; published online before print March 23 2007, 10.1073/pnas.0700471104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]
See Commentary on page 6095

Philip J. Gerrish, Alexandre Colato, Alan S. Perelson, and Paul D. Sniegowski: Complete genetic linkage can subvert natural selection
PNAS 2007 104: 6266-6271; published online before print April 3 2007, 10.1073/pnas.0607280104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Marcus A. Koch and Michaela Matschinger: Evolution and genetic differentiation among relatives of Arabidopsis thaliana
PNAS 2007 104: 6272-6277; published online before print April 2 2007, 10.1073/pnas.0701338104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

C. N. Ross, J. A. French, and G. Ortí: Germ-line chimerism and paternal care in marmosets (Callithrix kuhlii)
PNAS 2007 104: 6278-6282; published online before print March 26 2007, 10.1073/pnas.0607426104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Arthur Chun-Chieh Shih, Tzu-Chang Hsiao, Mei-Shang Ho, and Wen-Hsiung Li: Simultaneous amino acid substitutions at antigenic sites drive influenza A hemagglutinin evolution
PNAS 2007 104: 6283-6288; published online before print March 29 2007, 10.1073/pnas.0701396104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Jun-Yuan Chen, J. William Schopf, David J. Bottjer, Chen-Yu Zhang, Anatoliy B. Kudryavtsev, Abhishek B. Tripathi, Xiu-Qiang Wang, Yong-Hua Yang, Xiang Gao, and Ying Yang
Raman spectra of a Lower Cambrian ctenophore embryo from southwestern Shaanxi, China
PNAS 2007 104: 6289-6292; published online before print April 2 2007, 10.1073/pnas.0701246104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figure] OPEN ACCESS ARTICLE

Genetics

Margarita Flores, Lucía Morales, Claudia Gonzaga-Jauregui, Rocío Domínguez-Vidaña, Cinthya Zepeda, Omar Yañez, María Gutiérrez, Tzitziki Lemus, David Valle, Ma. Carmen Avila, Daniel Blanco, Sofía Medina-Ruiz, Karla Meza, Erandi Ayala, Delfino García, Patricia Bustos, Víctor González, Lourdes Girard, Teresa Tusie-Luna, Guillermo Dávila, and Rafael Palacios: Inaugural Article by a Recently Elected Academy Member:; Inaugural Article: Recurrent DNA inversion rearrangements in the human genome
PNAS 2007 104: 6099-6106; published online before print March 26 2007, 10.1073/pnas.0701631104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Tables] OPEN ACCESS ARTICLE

Fabrice G. Petit, Soazik P. Jamin, Isao Kurihara, Richard R. Behringer, Francesco J. DeMayo, Ming-Jer Tsai, and Sophia Y. Tsai: Deletion of the orphan nuclear receptor COUP-TFII in uterus leads to placental deficiency
PNAS 2007 104: 6293-6298; published online before print April 2 2007, 10.1073/pnas.0702039104 [Abstract] [Full Text] [Figures Only] [PDF]

David J. Samuelson, Stephanie E. Hesselson, Beth A. Aperavich, Yunhong Zan, Jill D. Haag, Amy Trentham-Dietz, John M. Hampton, Bob Mau, Kai-Shun Chen, Caroline Baynes, Kay-Tee Khaw, Robert Luben, Barbara Perkins, Mitul Shah, Paul D. Pharoah, Alison M. Dunning, Doug F. Easton, Bruce A. Ponder, and Michael N. Gould
Rat Mcs5a is a compound quantitative trait locus with orthologous human loci that associate with breast cancer risk
PNAS 2007 104: 6299-6304; published online before print April 2 2007, 10.1073/pnas.0701687104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Alona Sosinsky, Barry Honig, Richard S. Mann, and Andrea Califano: Discovering transcriptional regulatory regions in Drosophila by a nonalignment method for phylogenetic footprinting
PNAS 2007 104: 6305-6310; published online before print March 29 2007, 10.1073/pnas.0701614104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Immunology

Anne Y. Lai and Motonari Kondo: Identification of a bone marrow precursor of the earliest thymocytes in adult mouse
PNAS 2007 104: 6311-6316; published online before print April 2 2007, 10.1073/pnas.0609608104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Lynda Mazari, Meryem Ouarzane, and Moncef Zouali: Subversion of B lymphocyte tolerance by hydralazine, a potential mechanism for drug-induced lupus
PNAS 2007 104: 6317-6322; published online before print April 2 2007, 10.1073/pnas.0610434104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Melanie S. Vacchio, Alexandru Olaru, Ferenc Livak, and Richard J. Hodes: ATM deficiency impairs thymocyte maturation because of defective resolution of T cell receptor ${alpha}$ locus coding end breaks
PNAS 2007 104: 6323-6328; published online before print April 3 2007, 10.1073/pnas.0611222104 [Abstract] [Full Text] [Figures Only] [PDF]

Xi Chen, Prachi P. Trivedi, Baoxue Ge, Konrad Krzewski, and Jack L. Strominger: Many NK cell receptors activate ERK2 and JNK1 to trigger microtubule organizing center and granule polarization and cytotoxicity
PNAS 2007 104: 6329-6334; published online before print March 29 2007, 10.1073/pnas.0611655104 [Abstract] [Full Text] [Figures Only] [PDF]

Sylvaine You, Bertrand Leforban, Corinne Garcia, Jean-François Bach, Jeffrey A. Bluestone, and Lucienne Chatenoud: Adaptive TGF- $beta$ -dependent regulatory T cells control autoimmune diabetes and are a privileged target of anti-CD3 antibody treatment
PNAS 2007 104: 6335-6340; published online before print March 26 2007, 10.1073/pnas.0701171104 [Abstract] [Full Text] [Figures Only] [PDF]

Gabrielle T. Belz, Lei Zhang, Matthew D. H. Lay, Fiona Kupresanin, and Miles P. Davenport
Killer T cells regulate antigen presentation for early expansion of memory, but not naive, CD8⁺ T cell
PNAS 2007 104: 6341-6346; published online before print March 30 2007, 10.1073/pnas.0609990104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Meike Wendland, Niklas Czeloth, Nicolas Mach, Bernard Malissen, Elisabeth Kremmer, Oliver Pabst, and Reinhold Förster: CCR9 is a homing receptor for plasmacytoid dendritic cells to the small intestine
PNAS 2007 104: 6347-6352; published online before print April 2 2007, 10.1073/pnas.0609180104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]

Andre White, Christopher A. Pargellis, Joey M. Studts, Brian G. Werneburg, and Bennett T. Farmer, II: Molecular basis of MAPK-activated protein kinase 2:p38 assembly
PNAS 2007 104: 6353-6358; published online before print March 29 2007, 10.1073/pnas.0701679104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]

David M. Mills, Giuseppina Bonizzi, Michael Karin, and Robert C. Rickert: Regulation of late B cell differentiation by intrinsic IKK ${alpha}$ -dependent signals
PNAS 2007 104: 6359-6364; published online before print April 2 2007, 10.1073/pnas.0700296104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]

Becca Asquith and Angela R. McLean: In vivo CD8⁺ T cell control of immunodeficiency virus infection in humans and macaques
PNAS 2007 104: 6365-6370; published online before print April 2 2007, 10.1073/pnas.0700666104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Toru Fukushima, Shu-ichi Matsuzawa, Christina L. Kress, Jean Marie Bruey, Maryla Krajewska, Sophie Lefebvre, Juan M. Zapata, Ze'ev Ronai, and John C. Reed: Ubiquitin-conjugating enzyme Ubc13 is a critical component of TNF receptor-associated factor (TRAF)-mediated inflammatory responses
PNAS 2007 104: 6371-6376; published online before print April 2 2007, 10.1073/pnas.0700548104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Medical Sciences

Doreen Pomplun, Anja Voigt, Tim J. Schulz, René Thierbach, Andreas F. Pfeiffer, and Michael Ristow: Reduced expression of mitochondrial frataxin in mice exacerbates diet-induced obesity
PNAS 2007 104: 6377-6381; published online before print April 2 2007, 10.1073/pnas.0611631104 [Abstract] [Full Text] [Figures Only] [PDF] OPEN ACCESS ARTICLE

Yukiko Maeda, Eiichiro Nakamura, Minh-Thanh Nguyen, Larry J. Suva, Frances L. Swain, Mohammed S. Razzaque, Susan Mackem, and Beate Lanske: Indian Hedgehog produced by postnatal chondrocytes is essential for maintaining a growth plate and trabecular bone
PNAS 2007 104: 6382-6387; published online before print April 4 2007, 10.1073/pnas.0608449104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Christian Kannemeier, Aya Shibamiya, Fumie Nakazawa, Heidi Trusheim, Clemens Ruppert, Philipp Markart, Yutong Song, Eleni Tzima, Elisabeth Kennerknecht, Michael Niepmann, Marie-Luise von Bruehl, Daniel Sedding, Steffen Massberg, Andreas Günther, Bernd Engelmann, and Klaus T. Preissner: Extracellular RNA constitutes a natural procoagulant cofactor in blood coagulation
PNAS 2007 104: 6388-6393; published online before print April 3 2007, 10.1073/pnas.0608647104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Microbiology

Chantal Abergel, Vincent Monchois, Deborah Byrne, Sabine Chenivesse, Frédérique Lembo, Jean-Claude Lazzaroni, and Jean-Michel Claverie: Structure and evolution of the Ivy protein family, unexpected lysozyme inhibitors in Gram-negative bacteria
PNAS 2007 104: 6394-6399; published online before print April 3 2007, 10.1073/pnas.0611019104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Joseph G. Sklar, Tao Wu, Luisa S. Gronenberg, Juliana C. Malinverni, Daniel Kahne, and Thomas J. Silhavy: Lipoprotein SmpA is a component of the YaeT complex that assembles outer membrane proteins in Escherichia coli
PNAS 2007 104: 6400-6405; published online before print April 2 2007, 10.1073/pnas.0701579104 [Abstract] [Full Text] [Figures Only] [PDF]

Neuroscience

Kole Roybal, David Theobold, Ami Graham, Jennifer A. DiNieri, Scott J. Russo, Vaishnav Krishnan, Sumana Chakravarty, Joseph Peevey, Nathan Oehrlein, Shari Birnbaum, Martha H. Vitaterna, Paul Orsulak, Joseph S. Takahashi, Eric J. Nestler, William A. Carlezon, Jr, and Colleen A. McClung: From the Cover: Mania-like behavior induced by disruption of CLOCK
PNAS 2007 104: 6406-6411; published online before print March 22 2007, 10.1073/pnas.0609625104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]
See Commentary on page 6097

Takahisa Kanekiyo, Tadato Ban, Kosuke Aritake, Zhi-Li Huang, Wei-Min Qu, Issay Okazaki, Ikuko Mohri, Shigeo Murayama, Keiichi Ozono, Masako Taniike, Yuji Goto, and Yoshihiro Urade: Lipocalin-type prostaglandin D synthase/ $beta$ -trace is a major amyloid $beta$ -chaperone in human cerebrospinal fluid
PNAS 2007 104: 6412-6417; published online before print April 2 2007, 10.1073/pnas.0701585104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figure]

Ken-Ichi Okamoto, Radhakrishnan Narayanan, Sang H. Lee, Kazuyoshi Murata, and Yasunori Hayashi: The role of CaMKII as an F-actin-bundling protein crucial for maintenance of dendritic spine structure
PNAS 2007 104: 6418-6423; published online before print April 2 2007, 10.1073/pnas.0701656104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Text]

Thomas Serre, Aude Oliva, and Tomaso Poggio
A feedforward architecture accounts for rapid categorization
PNAS 2007 104: 6424-6429; published online before print April 2 2007, 10.1073/pnas.0700622104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Roland Zahn, Jorge Moll, Frank Krueger, Edward D. Huey, Griselda Garrido, and Jordan Grafman: Social concepts are represented in the superior anterior temporal cortex
PNAS 2007 104: 6430-6435; published online before print April 2 2007, 10.1073/pnas.0607061104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Yi-Jen Huang, Yutaka Maruyama, Gennady Dvoryanchikov, Elizabeth Pereira, Nirupa Chaudhari, and Stephen D. Roper: The role of pannexin 1 hemichannels in ATP release and cell–cell communication in mouse taste buds
PNAS 2007 104: 6436-6441; published online before print March 26 2007, 10.1073/pnas.0611280104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Ajai Vyas, Seon-Kyeong Kim, Nicholas Giacomini, John C. Boothroyd, and Robert M. Sapolsky: Behavioral changes induced by Toxoplasma infection of rodents are highly specific to aversion of cat odors
PNAS 2007 104: 6442-6447; published online before print April 2 2007, 10.1073/pnas.0608310104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Physiology

Yajamana Ramu, Yanping Xu, and Zhe Lu: Inhibition of CFTR Cl^– channel function caused by enzymatic hydrolysis of sphingomyelin
PNAS 2007 104: 6448-6453; published online before print March 30 2007, 10.1073/pnas.0701354104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]

Georgia I. Anyatonwu, Manuel Estrada, Xin Tian, Stefan Somlo, and Barbara E. Ehrlich: Regulation of ryanodine receptor-dependent calcium signaling by polycystin-2
PNAS 2007 104: 6454-6459; published online before print April 2 2007, 10.1073/pnas.0610324104 [Abstract] [Full Text] [Figures Only] [PDF]

Plant Biology

Ryoung Shin, Sophie Alvarez, Adrien Y. Burch, Joseph M. Jez, and Daniel P. Schachtman: Phosphoproteomic identification of targets of the Arabidopsis sucrose nonfermenting-like kinase SnRK2.8 reveals a connection to metabolic processes
PNAS 2007 104: 6460-6465; published online before print April 2 2007, 10.1073/pnas.0610208104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Katia Wostrikoff and David Stern: Rubisco large-subunit translation is autoregulated in response to its assembly state in tobacco chloroplasts
PNAS 2007 104: 6466-6471; published online before print April 2 2007, 10.1073/pnas.0610586104 [Abstract] [Full Text] [Figures Only] [PDF]

Katsuyuki T. Yamato, Kimitsune Ishizaki, Masaki Fujisawa, Sachiko Okada, Shigeki Nakayama, Mariko Fujishita, Hiroki Bando, Kohei Yodoya, Kiwako Hayashi, Tomoyuki Bando, Akiko Hasumi, Tomohisa Nishio, Ryoko Sakata, Masayuki Yamamoto, Arata Yamaki, Masataka Kajikawa, Takashi Yamano, Taku Nishide, Seung-Hyuk Choi, Yuu Shimizu-Ueda, Tsutomu Hanajiri, Megumi Sakaida, Kaoru Kono, Mizuki Takenaka, Shohei Yamaoka, Chiaki Kuriyama, Yoshito Kohzu, Hiroyuki Nishida, Axel Brennicke, Tadasu Shin-i, Yuji Kohara, Takayuki Kohchi, Hideya Fukuzawa, and Kanji Ohyama: Gene organization of the liverwort Y chromosome reveals distinct sex chromosome evolution in a haploid system
PNAS 2007 104: 6472-6477; published online before print March 29 2007, 10.1073/pnas.0609054104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Masami Yokota Hirai, Kenjiro Sugiyama, Yuji Sawada, Takayuki Tohge, Takeshi Obayashi, Akane Suzuki, Ryoichi Araki, Nozomu Sakurai, Hideyuki Suzuki, Koh Aoki, Hideki Goda, Osamu Ishizaki Nishizawa, Daisuke Shibata, and Kazuki Saito
Omics-based identification of Arabidopsis Myb transcription factors regulating aliphatic glucosinolate biosynthesis
PNAS 2007 104: 6478-6483; published online before print April 9 2007, 10.1073/pnas.0611629104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information] OPEN ACCESS ARTICLE

Patrick Achard, Mourad Baghour, Andrew Chapple, Peter Hedden, Dominique Van Der Straeten, Pascal Genschik, Thomas Moritz, and Nicholas P. Harberd: The plant stress hormone ethylene controls floral transition via DELLA-dependent regulation of floral meristem-identity genes
PNAS 2007 104: 6484-6489; published online before print March 26 2007, 10.1073/pnas.0610717104 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]

Population Biology

Peter Jagers, Fima C. Klebaner, and Serik Sagitov: On the path to extinction
PNAS 2007 104: 6107-6111; published online before print April 3 2007, 10.1073/pnas.0610816104 [Abstract] [Full Text] [Figures Only] [PDF] OPEN ACCESS ARTICLE

Sustainability Science

Johan Rockström, Mats Lannerstad, and Malin Falkenmark: Assessing the water challenge of a new green revolution in developing countries
PNAS 2007 104: 6253-6260; published online before print April 2 2007, 10.1073/pnas.0605739104 [Abstract] [Full Text] [Figures Only] [PDF]

CORRECTIONS

Correction for Duriez et al., A common variant in combination with a nonsense mutation in a member of the thioredoxin family causes primary ciliary dyskinesia [Full Text] [Figures Only] [PDF]

Correction for Eubanks et al., An in vitro and in vivo disconnect uncovered through high-throughput identification of botulinum neurotoxin A antagonists [Full Text] [PDF]

Correction for Li et al., c-Myc-mediated genomic instability proceeds via a megakaryocytic endomitosis pathway involving Gp1b ${alpha}$ [Full Text] [Figures Only] [PDF]