Table of Contents

December 19, 2006; 103 (51)

FROM THE COVER

This Week in PNAS

This Week in PNAS:
In This Issue
PNAS 2006 103:19215-19216; doi:10.1073/iti5106103

Commentaries

Commentary:
- Sergei Khrapunov,
- Michael Brenowitz,
- Phoebe A. Rice,
- and Carlos Enrique Catalano
Binding then bending: A mechanism for wrapping DNA
PNAS 2006 103:19217-19218; published ahead of print December 11, 2006, doi:10.1073/pnas.0609223103
- See companion article on page 18510 in issue 49 of volume 103
- See companion article on page 18515 in issue 49 of volume 103
Commentary:
- Olaf Sporns
- and Christopher J. Honey
Small worlds inside big brains
PNAS 2006 103:19219-19220; published ahead of print December 11, 2006, doi:10.1073/pnas.0609523103
- See companion article on page 19518 in issue 51 of volume 103

Profile

Profile:
- Nick Zagorski
Profile of Elinor Ostrom
PNAS 2006 103:19221-19223; published ahead of print December 12, 2006, doi:10.1073/pnas.0609919103
- See commentary article on page 19224 in issue 51 of volume 103

Bioligical sciences

Biophysics

Select this article
Bioligical sciences - Biophysics:
- Benzhuo Lu,
- Xiaolin Cheng,
- Jingfang Huang,
- and J. Andrew McCammon
Order N algorithm for computation of electrostatic interactions in biomolecular systems
PNAS 2006 103:19314-19319; published ahead of print December 5, 2006, doi:10.1073/pnas.0605166103

Physical Sciences

Applied Mathematics

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Physical Sciences - Applied Physical Sciences - Physical Sciences - Applied Mathematics:
- Paul R. Garabedian
Three-dimensional equilibria in axially symmetric tokamaks
PNAS 2006 103:19232-19236; published ahead of print December 11, 2006, doi:10.1073/pnas.0609569103

Applied Physical Sciences

Select this article
Physical Sciences - Applied Physical Sciences - Physical Sciences - Applied Mathematics:
- Paul R. Garabedian
Three-dimensional equilibria in axially symmetric tokamaks
PNAS 2006 103:19232-19236; published ahead of print December 11, 2006, doi:10.1073/pnas.0609569103
Select this article
Physical Sciences - Applied Physical Sciences:
- S. Elhadj,
- J. J. De Yoreo,
- J. R. Hoyer,
- and P. M. Dove
Role of molecular charge and hydrophilicity in regulating the kinetics of crystal growth
PNAS 2006 103:19237-19242; published ahead of print December 7, 2006, doi:10.1073/pnas.0605748103

Chemistry

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Physical Sciences - Chemistry:
- Liang Li,
- Debarshi Mustafi,
- Qiang Fu,
- Valentina Tereshko,
- Delai L. Chen,
- Joshua D. Tice,
- and Rustem F. Ismagilov
Nanoliter microfluidic hybrid method for simultaneous screening and optimization validated with crystallization of membrane proteins
PNAS 2006 103:19243-19248; published ahead of print December 11, 2006, doi:10.1073/pnas.0607502103

Computer Sciences

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Physical Sciences - Computer Sciences - Biological Sciences - Medical Sciences:
- William H. Press
Discrete Radon transform has an exact, fast inverse and generalizes to operations other than sums along lines
PNAS 2006 103:19249-19254; published ahead of print December 11, 2006, doi:10.1073/pnas.0609228103
Open Access Article

Engineering

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Physical Sciences - Engineering - Biological Sciences - Biophysics:
- Ashley W. Palmer,
- Robert E. Guldberg,
- and Marc E. Levenston
Analysis of cartilage matrix fixed charge density and three-dimensional morphology via contrast-enhanced microcomputed tomography
PNAS 2006 103:19255-19260; published ahead of print December 8, 2006, doi:10.1073/pnas.0606406103

Physics

Select this article
Physical Sciences - Physics - Social Sciences - Economic Sciences:
- Dejan Vinković
- and Alan Kirman
A physical analogue of the Schelling model
PNAS 2006 103:19261-19265; published ahead of print December 6, 2006, doi:10.1073/pnas.0609371103

Social Sciences

Economic Sciences

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Physical Sciences - Physics - Social Sciences - Economic Sciences:
- Dejan Vinković
- and Alan Kirman
A physical analogue of the Schelling model
PNAS 2006 103:19261-19265; published ahead of print December 6, 2006, doi:10.1073/pnas.0609371103

Psychology

Select this article
Biological Sciences - Neuroscience - Social Sciences - Psychology:
- Eva Feredoes,
- Giulio Tononi,
- and Bradley R. Postle
Direct evidence for a prefrontal contribution to the control of proactive interference in verbal working memory
PNAS 2006 103:19530-19534; published ahead of print December 6, 2006, doi:10.1073/pnas.0604509103
Select this article
Social Sciences - Psychology:
- Felicia Hurewitz,
- Rochel Gelman,
- and Brian Schnitzer
Sometimes area counts more than number
PNAS 2006 103:19599-19604; published ahead of print December 11, 2006, doi:10.1073/pnas.0609485103

Sustainability Science

Select this article
Social Sciences - Sustainability Science:
- Elinor Ostrom
- and Harini Nagendra
Inaugural Article: Insights on linking forests, trees, and people from the air, on the ground, and in the laboratory
PNAS 2006 103:19224-19231; published ahead of print November 6, 2006, doi:10.1073/pnas.0607962103
- See commentary article on page 19221 in issue 51 of volume 103

FROM THE COVER

In This Issue

Binding then bending: A mechanism for wrapping DNA

Small worlds inside big brains

Profile of Elinor Ostrom

Order N algorithm for computation of electrostatic interactions in biomolecular systems

Three-dimensional equilibria in axially symmetric tokamaks

Three-dimensional equilibria in axially symmetric tokamaks

Role of molecular charge and hydrophilicity in regulating the kinetics of crystal growth

Nanoliter microfluidic hybrid method for simultaneous screening and optimization validated with crystallization of membrane proteins

Discrete Radon transform has an exact, fast inverse and generalizes to operations other than sums along lines

Analysis of cartilage matrix fixed charge density and three-dimensional morphology via contrast-enhanced microcomputed tomography

A physical analogue of the Schelling model

A physical analogue of the Schelling model

Direct evidence for a prefrontal contribution to the control of proactive interference in verbal working memory

Sometimes area counts more than number

Inaugural Article: Insights on linking forests, trees, and people from the air, on the ground, and in the laboratory

Paleobiology and comparative morphology of a late Neandertal sample from El Sidrón, Asturias, Spain

A fully integrated microfluidic genetic analysis system with sample-in–answer-out capability

Epstein–Barr nuclear antigen leader protein coactivates transcription through interaction with histone deacetylase 4

Structure of a bacterial pyridoxal 5′-phosphate synthase complex

Polyoma and SV40 proteins differentially regulate PP2A to activate distinct cellular signaling pathways involved in growth control

Polycomb recruitment to DNA in vivo by the YY1 REPO domain

Conservation of the metabolomic response to starvation across two divergent microbes

Purified vitamin K epoxide reductase alone is sufficient for conversion of vitamin K epoxide to vitamin K and vitamin K to vitamin KH 2

Analysis of cartilage matrix fixed charge density and three-dimensional morphology via contrast-enhanced microcomputed tomography

Adhesion and friction in gecko toe attachment and detachment

Crystal structure of apo-calmodulin bound to the first two IQ motifs of myosin V reveals essential recognition features

Two synaptojanin 1 isoforms are recruited to clathrin-coated pits at different stages

Estrogen receptor β expression in the embryonic brain regulates development of calretinin-immunoreactive GABAergic interneurons

Azoospermia in mice with targeted disruption of the Brek/Lmtk2 (brain-enriched kinase/lemur tyrosine kinase 2) gene

Evolutionary constraint on Otx2 neuroectoderm enhancers-deep conservation from skate to mouse and unique divergence in teleost

Canopy leaf area constrains [CO 2 ]-induced enhancement of productivity and partitioning among aboveground carbon pools

Aboveground sink strength in forests controls the allocation of carbon below ground and its [CO 2 ]-induced enhancement

From the Cover: Predicting the global spread of H5N1 avian influenza

Global mammal distributions, biodiversity hotspots, and conservation

Forest fire increases mercury accumulation by fishes via food web restructuring and increased mercury inputs

Atmospheric nitrogen deposition promotes carbon loss from peat bogs

Transgenic analysis of Dlx regulation in fish tooth development reveals evolutionary retention of enhancer function despite organ loss

Bursts of nonsynonymous substitutions in HIV-1 evolution reveal instances of positive selection at conservative protein sites

Evolutionary theory for modifiers of epistasis using a general symmetric model

Gene cooption without duplication during the evolution of a male-pregnancy gene in pipefish