Table of Contents

June 20, 2006; 103 (25)

FROM THE COVER

This Week in PNAS

This Week in PNAS:
In This Issue
PNAS 2006 103:9375-9376; doi:10.1073/iti2506103

Commentaries

Commentary:
- Lucas R. Hoffman
- and Samuel I. Miller
The systems biology of infection in animal models bears fruit
PNAS 2006 103:9377-9378; published ahead of print June 12, 2006, doi:10.1073/pnas.0603266103
- See companion article on page 9268 in issue 24 of volume 103
Commentary:
- Thomas Cavalier-Smith
The tiny enslaved genome of a rhizarian alga
PNAS 2006 103:9379-9380; published ahead of print June 12, 2006, doi:10.1073/pnas.0603505103
- See companion article on page 9566 in issue 25 of volume 103

Perspective

Select this article
Perspective:
- Paul Mellars
Why did modern human populations disperse from Africa ca. 60,000 years ago? A new model
PNAS 2006 103:9381-9386; published ahead of print June 13, 2006, doi:10.1073/pnas.0510792103

Profile

Profile:
- Bijal P. Trivedi
Profile of Steven C. Hebert
PNAS 2006 103:9387-9389; published ahead of print June 13, 2006, doi:10.1073/pnas.0604149103
- See commentary article on page 9390 in issue 25 of volume 103

FROM THE COVER

In This Issue

The systems biology of infection in animal models bears fruit

The tiny enslaved genome of a rhizarian alga

Why did modern human populations disperse from Africa ca. 60,000 years ago? A new model

Profile of Steven C. Hebert

Helices

Network motif identification in stochastic networks

Spatiotemporal reaction kinetics of an ultrafast photoreaction pathway visualized by time-resolved liquid x-ray diffraction

Design of metal cofactors activated by a protein–protein electron transfer system

From the Cover: Hydrogen chloride-induced surface disordering on ice

Membrane protein dynamics and detergent interactions within a crystal: A simulation study of OmpA

Novel nanocomposites from spider silk–silica fusion (chimeric) proteins

Mechanics-based statistics of failure risk of quasibrittle structures and size effect on safety factors

Nanoscale detection of organic signatures in carbonate microbialites

Flexible phenylalanine-glycine nucleoporins as entropic barriers to nucleocytoplasmic transport

Quantitative exploration of the occurrence of lateral gene transfer by using nitrogen fixation genes as a case study

Identification of bifunctional Δ12/ω3 fatty acid desaturases for improving the ratio of ω3 to ω6 fatty acids in microbes and plants

The intricate side of systems biology

Leishmania β-1,2-mannan is assembled on a mannose-cyclic phosphate primer

The PINc domain protein Utp24, a putative nuclease, is required for the early cleavage steps in 18S rRNA maturation

Structural basis of catalysis by monometalated methionine aminopeptidase

Human methionine synthase reductase is a molecular chaperone for human methionine synthase

Selective identification of newly synthesized proteins in mammalian cells using bioorthogonal noncanonical amino acid tagging (BONCAT)

Ribosomal shunting mediated by a translational enhancer element that base pairs to 18S rRNA

A mechanism of translational repression by competition of Paip2 with eIF4G for poly(A) binding protein (PABP) binding

Calcium dependence of aequorin bioluminescence dissected by random mutagenesis

A Mediator-responsive form of metazoan RNA polymerase II

Helices

Flexible phenylalanine-glycine nucleoporins as entropic barriers to nucleocytoplasmic transport

Membrane protein dynamics and detergent interactions within a crystal: A simulation study of OmpA

From the Cover: Identifying genes important for spermatogonial stem cell self-renewal and survival

Identification of pulmonary Oct-4 + stem/progenitor cells and demonstration of their susceptibility to SARS coronavirus (SARS-CoV) infection in vitro

Requirement of Nck adaptors for actin dynamics and cell migration stimulated by platelet-derived growth factor B

IRBIT, an inositol 1,4,5-trisphosphate receptor-binding protein, specifically binds to and activates pancreas-type Na + /HCO 3 − cotransporter 1 (pNBC1)

Phosphorylation by PKA potentiates retinoic acid receptor α activity by means of increasing interaction with and phosphorylation by cyclin H/cdk7

Neural conversion of ES cells by an inductive activity on human amniotic membrane matrix

Variation in the sensitivity of organismal body temperature to climate change over local and geographic scales

From the Cover: Complete nucleotide sequence of the chlorarachniophyte nucleomorph: Nature’s smallest nucleus

Membrane transporters in the relict plastid of malaria parasites

From the Cover: Phylogeography of Asian wild rice, Oryza rufipogon , reveals multiple independent domestications of cultivated rice, Oryza sativa

Quantitative exploration of the occurrence of lateral gene transfer by using nitrogen fixation genes as a case study