Table of Contents

This Week in PNAS

This Week in PNAS:
In This Issue
PNAS 2007 104:7309-7310; doi:10.1073/iti1807104

Commentaries

Commentary:
- Mary Lou Guerinot
It's elementary: Enhancing Fe 3+ reduction improves rice yields
PNAS 2007 104:7311-7312; published ahead of print April 25, 2007, doi:10.1073/pnas.0701954104
- See companion article on page 7373 in issue 18 of volume 104
Commentary:
- Stephen S. Morse
Pandemic influenza: Studying the lessons of history
PNAS 2007 104:7313-7314; published ahead of print April 25, 2007, doi:10.1073/pnas.0702659104
- See companion article on page 7582 in issue 18 of volume 104
- See companion article on page 7588 in issue 18 of volume 104
Commentary:
- Vivian I. Teichberg
From the liver to the brain across the blood–brain barrier
PNAS 2007 104:7315-7316; published ahead of print April 26, 2007, doi:10.1073/pnas.0702450104
- See companion article on page 7594 in issue 18 of volume 104
Commentary:
- Howard Eichenbaum
To sleep, perchance to integrate
PNAS 2007 104:7317-7318; published ahead of print April 27, 2007, doi:10.1073/pnas.0702503104
- See companion article on page 7723 in issue 18 of volume 104

Physical Sciences

Applied Mathematics

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Physical Sciences - Applied Mathematics:
- Martin Rosvall
- and Carl T. Bergstrom
An information-theoretic framework for resolving community structure in complex networks
PNAS 2007 104:7327-7331; published ahead of print April 23, 2007, doi:10.1073/pnas.0611034104
Open Access Article
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Physical Sciences - Applied Mathematics - Biological Sciences - Biophysics:
- Matthew Scott,
- Terence Hwa,
- and Brian Ingalls
Deterministic characterization of stochastic genetic circuits
PNAS 2007 104:7402-7407; published ahead of print April 19, 2007, doi:10.1073/pnas.0610468104

Applied Physical Sciences

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Physical Sciences - Applied Physical Sciences:
- J.-P. Onnela,
- J. Saramäki,
- J. Hyvönen,
- G. Szabó,
- D. Lazer,
- K. Kaski,
- J. Kertész,
- and A.-L. Barabási
Structure and tie strengths in mobile communication networks
PNAS 2007 104:7332-7336; published ahead of print April 24, 2007, doi:10.1073/pnas.0610245104
Select this article
Physical Sciences - Applied Physical Sciences:
- B. Pokroy,
- M. Kapon,
- F. Marin,
- N. Adir,
- and E. Zolotoyabko
Protein-induced, previously unidentified twin form of calcite
PNAS 2007 104:7337-7341; published ahead of print April 25, 2007, doi:10.1073/pnas.0608584104

Chemistry

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Physical Sciences - Chemistry:
- Victoria Buch,
- Anne Milet,
- Robert Vácha,
- Pavel Jungwirth,
- and J. Paul Devlin
Water surface is acidic
PNAS 2007 104:7342-7347; published ahead of print April 23, 2007, doi:10.1073/pnas.0611285104

Physics

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Physical Sciences - Physics:
- Yoav Tsori
- and Ludwik Leibler
Phase-separation in ion-containing mixtures in electric fields
PNAS 2007 104:7348-7350; published ahead of print April 18, 2007, doi:10.1073/pnas.0607746104

Social Sciences

Political Sciences

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Social Sciences - Political Sciences:
- Avinash K. Dixit
- and Jörgen W. Weibull
Political polarization
PNAS 2007 104:7351-7356; published ahead of print April 23, 2007, doi:10.1073/pnas.0702071104

Psychology

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Social Sciences - Psychology:
- Jeremy Ginges,
- Scott Atran,
- Douglas Medin,
- and Khalil Shikaki
Sacred bounds on rational resolution of violent political conflict
PNAS 2007 104:7357-7360; published ahead of print April 25, 2007, doi:10.1073/pnas.0701768104

Social Sciences

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Social Sciences - Social Sciences:
- Reinhard Selten
- and Massimo Warglien
The emergence of simple languages in an experimental coordination game
PNAS 2007 104:7361-7366; published ahead of print April 20, 2007, doi:10.1073/pnas.0702077104

FROM THE COVER

In This Issue

It's elementary: Enhancing Fe 3+ reduction improves rice yields

Pandemic influenza: Studying the lessons of history

From the liver to the brain across the blood–brain barrier

To sleep, perchance to integrate

An information-theoretic framework for resolving community structure in complex networks

Deterministic characterization of stochastic genetic circuits

Structure and tie strengths in mobile communication networks

Protein-induced, previously unidentified twin form of calcite

Water surface is acidic

Phase-separation in ion-containing mixtures in electric fields

Political polarization

Sacred bounds on rational resolution of violent political conflict

The emergence of simple languages in an experimental coordination game

European early modern humans and the fate of the Neandertals

From the Cover: Mutational reconstructed ferric chelate reductase confers enhanced tolerance in rice to iron deficiency in calcareous soil

Functional, structural, and spectroscopic characterization of a glutathione-ligated [2Fe–2S] cluster in poplar glutaredoxin C1

The structure of a birnavirus polymerase reveals a distinct active site topology

Selective chemical probe inhibitor of Stat3, identified through structure-based virtual screening, induces antitumor activity

Following evolution's lead to a single residue switch for diterpene synthase product outcome

Deterministic characterization of stochastic genetic circuits

Subpicosecond oxygen trapping in the heme pocket of the oxygen sensor FixL observed by time-resolved resonance Raman spectroscopy

Diversity in prion protein oligomerization pathways results from domain expansion as revealed by hydrogen/deuterium exchange and disulfide linkage

An allosteric model of circadian KaiC phosphorylation

Transmembrane protein Sun2 is involved in tethering mammalian meiotic telomeres to the nuclear envelope

βKlotho is required for metabolic activity of fibroblast growth factor 21

Akt1 governs breast cancer progression in vivo

Small-molecule synergist of the Wnt/β-catenin signaling pathway

Repression of the PDCD2 gene by BCL6 and the implications for the pathogenesis of human B and T cell lymphomas

Maternal Nanos represses hid / skl -dependent apoptosis to maintain the germ line in Drosophila embryos

Depth-mediated reversal of the effects of climate change on long-term growth rates of exploited marine fish

Changes in nitrogen cycling during the past century in a northern hardwood forest

Pigeons combine compass and landmark guidance in familiar route navigation

Stoichiometric controls of mercury dilution by growth

The impact of herbivore–plant coevolution on plant community structure

More genes underwent positive selection in chimpanzee evolution than in human evolution

Multiple molecular evidences for a living mammalian fossil

Negative regulation of the RIG-I signaling by the ubiquitin ligase RNF125

Distinct functional motifs within the IL-17 receptor regulate signal transduction and target gene expression

NKG2D recognition mediates Toll-like receptor 3 signaling-induced breakdown of epithelial homeostasis in the small intestines of mice

Targeting the β-catenin/TCF transcriptional complex in the treatment of multiple myeloma