Table of Contents

This Week in PNAS

This Week in PNAS:
In This Issue
PNAS 2006 103:17067-17068; doi:10.1073/iti4606103

Commentaries

Commentary:
- Andrew Beenken
- and Moosa Mohammadi
Hedgehogs like it sweet, too
PNAS 2006 103:17069-17070; published online before print November 6, 2006, doi:10.1073/pnas.0608456103
- See companion article on page 17208 in issue 46 of volume 103
Commentary:
- Craig A. Cooney
Germ cells carry the epigenetic benefits of grandmother's diet
PNAS 2006 103:17071-17072; published online before print November 13, 2006, doi:10.1073/pnas.0608653103
- See companion article on page 17308 in issue 46 of volume 103
Commentary:
- Massimo Cristofanilli
- and John Mendelsohn
Circulating tumor cells in breast cancer: Advanced tools for “tailored” therapy?
PNAS 2006 103:17073-17074; published online before print November 7, 2006, doi:10.1073/pnas.0608651103
- See companion article on page 17361 in issue 46 of volume 103

Perspective

Perspective - Nobel Lecture:
- Robert J. Aumann
War and peace
PNAS 2006 103:17075-17078; published online before print November 8, 2006, doi:10.1073/pnas.0608329103

Nitrogen Fixation Special Feature

Introductory Perspective

Nitrogen Fixation Special Feature - Introductory Perspective:
- Richard R. Schrock
Nitrogen Fixation Special Feature: Reduction of dinitrogen
PNAS 2006 103:17087; published online before print November 6, 2006, doi:10.1073/pnas.0603633103

Perspective

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Nitrogen Fixation Special Feature - Perspective:
- James B. Howard
- and Douglas C. Rees
Nitrogen Fixation Special Feature: How many metals does it take to fix N₂? A mechanistic overview of biological nitrogen fixation
PNAS 2006 103:17088-17093; published online before print November 6, 2006, doi:10.1073/pnas.0603978103

Research Articles

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Nitrogen Fixation Special Feature - Research Articles - Physical Sciences - Chemistry:
- Liam P. Spencer,
- Bruce A. MacKay,
- Brian O. Patrick,
- and Michael D. Fryzuk
Nitrogen Fixation Special Feature: Inner-sphere two-electron reduction leads to cleavage and functionalization of coordinated dinitrogen
PNAS 2006 103:17094-17098; published online before print October 18, 2006, doi:10.1073/pnas.0602132103
Select this article
Nitrogen Fixation Special Feature - Research Articles - Physical Sciences - Chemistry:
- Walter W. Weare,
- Xuliang Dai,
- Matthew J. Byrnes,
- Jia Min Chin,
- Richard R. Schrock,
- and Peter Müller
Nitrogen Fixation Special Feature: Catalytic reduction of dinitrogen to ammonia at a single molybdenum center
PNAS 2006 103:17099-17106; published online before print November 3, 2006, doi:10.1073/pnas.0602778103
Select this article
Nitrogen Fixation Special Feature - Research Articles - Physical Sciences - Chemistry:
- Michael P. Hendrich,
- William Gunderson,
- Rachel K. Behan,
- Michael T. Green,
- Mark P. Mehn,
- Theodore A. Betley,
- Connie C. Lu,
- and Jonas C. Peters
Nitrogen Fixation Special Feature: On the feasibility of N₂ fixation via a single-site Fe^I/Fe^IV cycle: Spectroscopic studies of Fe^I(N₂)Fe^I, Fe^IV N, and related species
PNAS 2006 103:17107-17112; published online before print November 7, 2006, doi:10.1073/pnas.0604402103
Select this article
Nitrogen Fixation Special Feature - Research Articles - Physical Sciences - Chemistry - Biological Sciences - Biochemistry:
- Brett M. Barney,
- Dmitriy Lukoyanov,
- Tran-Chin Yang,
- Dennis R. Dean,
- Brian M. Hoffman,
- and Lance C. Seefeldt
Nitrogen Fixation Special Feature: A methyldiazene (HN N CH₃)-derived species bound to the nitrogenase active-site FeMo cofactor: Implications for mechanism
PNAS 2006 103:17113-17118; published online before print November 6, 2006, doi:10.1073/pnas.0602130103
Select this article
Nitrogen Fixation Special Feature - Research Articles - Biological Sciences - Biochemistry:
- Yilin Hu,
- Mary C. Corbett,
- Aaron W. Fay,
- Jerome A. Webber,
- Keith O. Hodgson,
- Britt Hedman,
- and Markus W. Ribbe
From the Cover: Nitrogen Fixation Special Feature: FeMo cofactor maturation on NifEN
PNAS 2006 103:17119-17124; published online before print October 18, 2006, doi:10.1073/pnas.0602647103
Select this article
Nitrogen Fixation Special Feature - Research Articles - Biological Sciences - Biochemistry:
- Yilin Hu,
- Mary C. Corbett,
- Aaron W. Fay,
- Jerome A. Webber,
- Keith O. Hodgson,
- Britt Hedman,
- and Markus W. Ribbe
From the Cover: Nitrogen Fixation Special Feature: Nitrogenase Fe protein: A molybdate/homocitrate insertase
PNAS 2006 103:17125-17130; published online before print October 24, 2006, doi:10.1073/pnas.0602651103
Select this article
Nitrogen Fixation Special Feature - Research Articles - Biological Sciences - Biochemistry:
- Thomas J. Lowery,
- Phillip E. Wilson,
- Bo Zhang,
- Jared Bunker,
- Roger G. Harrison,
- Andrew C. Nyborg,
- David Thiriot,
- and Gerald D. Watt
Nitrogen Fixation Special Feature: Flavodoxin hydroquinone reduces Azotobacter vinelandii Fe protein to the all-ferrous redox state with a S = 0 spin state
PNAS 2006 103:17131-17136; published online before print November 3, 2006, doi:10.1073/pnas.0603223103

Social Sciences

Psychology

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Biological Sciences - Evolution - Social Sciences - Psychology:
- Daniel B. M. Haun,
- Christian J. Rapold,
- Josep Call,
- Gabriele Janzen,
- and Stephen C. Levinson
Cognitive cladistics and cultural override in Hominid spatial cognition
PNAS 2006 103:17568-17573; published online before print November 1, 2006, doi:10.1073/pnas.0607999103

Sustainability Science

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Social Sciences - Sustainability Science:
- Pekka E. Kauppi,
- Jesse H. Ausubel,
- Jingyun Fang,
- Alexander S. Mather,
- Roger A. Sedjo,
- and Paul E. Waggoner
Returning forests analyzed with the forest identity
PNAS 2006 103:17574-17579; published online before print November 13, 2006, doi:10.1073/pnas.0608343103
OPEN ACCESS ARTICLE

Biological Sciences

Anthropology

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Biological Sciences - Anthropology:
- J. Koji Lum,
- James K. McIntyre,
- Douglas L. Greger,
- Kirk W. Huffman,
- and Miguel G. Vilar
Recent Southeast Asian domestication and Lapita dispersal of sacred male pseudohermaphroditic “tuskers” and hairless pigs of Vanuatu
PNAS 2006 103:17190-17195; published online before print November 6, 2006, doi:10.1073/pnas.0608220103
Select this article
Biological Sciences - Anthropology:
- Andrei Soficaru,
- Adrian Doboş,
- and Erik Trinkaus
Early modern humans from the Peştera Muierii, Baia de Fier, Romania
PNAS 2006 103:17196-17201; published online before print November 3, 2006, doi:10.1073/pnas.0608443103

Applied Biological Sciences

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Biological Sciences - Applied Biological Sciences:
- Bigang Liu,
- Eunmi Park,
- Feng Zhu,
- Tracie Bustos,
- Jinsong Liu,
- Jianjun Shen,
- Susan M. Fischer,
- and Yinling Hu
A critical role for IκB kinase α in the development of human and mouse squamous cell carcinomas
PNAS 2006 103:17202-17207; published online before print November 1, 2006, doi:10.1073/pnas.0604481103

Biochemistry

Select this article
Nitrogen Fixation Special Feature - Research Articles - Physical Sciences - Chemistry - Biological Sciences - Biochemistry:
- Brett M. Barney,
- Dmitriy Lukoyanov,
- Tran-Chin Yang,
- Dennis R. Dean,
- Brian M. Hoffman,
- and Lance C. Seefeldt
Nitrogen Fixation Special Feature: A methyldiazene (HN N CH₃)-derived species bound to the nitrogenase active-site FeMo cofactor: Implications for mechanism
PNAS 2006 103:17113-17118; published online before print November 6, 2006, doi:10.1073/pnas.0602130103
Select this article
Nitrogen Fixation Special Feature - Research Articles - Biological Sciences - Biochemistry:
- Yilin Hu,
- Mary C. Corbett,
- Aaron W. Fay,
- Jerome A. Webber,
- Keith O. Hodgson,
- Britt Hedman,
- and Markus W. Ribbe
From the Cover: Nitrogen Fixation Special Feature: FeMo cofactor maturation on NifEN
PNAS 2006 103:17119-17124; published online before print October 18, 2006, doi:10.1073/pnas.0602647103
Select this article
Nitrogen Fixation Special Feature - Research Articles - Biological Sciences - Biochemistry:
- Yilin Hu,
- Mary C. Corbett,
- Aaron W. Fay,
- Jerome A. Webber,
- Keith O. Hodgson,
- Britt Hedman,
- and Markus W. Ribbe
From the Cover: Nitrogen Fixation Special Feature: Nitrogenase Fe protein: A molybdate/homocitrate insertase
PNAS 2006 103:17125-17130; published online before print October 24, 2006, doi:10.1073/pnas.0602651103
Select this article
Nitrogen Fixation Special Feature - Research Articles - Biological Sciences - Biochemistry:
- Thomas J. Lowery,
- Phillip E. Wilson,
- Bo Zhang,
- Jared Bunker,
- Roger G. Harrison,
- Andrew C. Nyborg,
- David Thiriot,
- and Gerald D. Watt
Nitrogen Fixation Special Feature: Flavodoxin hydroquinone reduces Azotobacter vinelandii Fe protein to the all-ferrous redox state with a S = 0 spin state
PNAS 2006 103:17131-17136; published online before print November 3, 2006, doi:10.1073/pnas.0603223103
Select this article
Biological Sciences - Biochemistry:
- Jason S. McLellan,
- Shenqin Yao,
- Xiaoyan Zheng,
- Brian V. Geisbrecht,
- Rodolfo Ghirlando,
- Philip A. Beachy,
- and Daniel J. Leahy
From the Cover: Structure of a heparin-dependent complex of Hedgehog and Ihog
PNAS 2006 103:17208-17213; published online before print October 31, 2006, doi:10.1073/pnas.0606738103

FROM THE COVER

In This Issue

Hedgehogs like it sweet, too

Germ cells carry the epigenetic benefits of grandmother's diet

Circulating tumor cells in breast cancer: Advanced tools for “tailored” therapy?

War and peace

Nitrogen Fixation Special Feature: Reduction of dinitrogen

Nitrogen Fixation Special Feature: How many metals does it take to fix N2? A mechanistic overview of biological nitrogen fixation

Nitrogen Fixation Special Feature: Inner-sphere two-electron reduction leads to cleavage and functionalization of coordinated dinitrogen

Nitrogen Fixation Special Feature: Catalytic reduction of dinitrogen to ammonia at a single molybdenum center

Nitrogen Fixation Special Feature: On the feasibility of N2 fixation via a single-site FeI/FeIV cycle: Spectroscopic studies of FeI(N2)FeI, FeIV N, and related species

Nitrogen Fixation Special Feature: A methyldiazene (HN N CH3)-derived species bound to the nitrogenase active-site FeMo cofactor: Implications for mechanism

From the Cover: Nitrogen Fixation Special Feature: FeMo cofactor maturation on NifEN

From the Cover: Nitrogen Fixation Special Feature: Nitrogenase Fe protein: A molybdate/homocitrate insertase

Nitrogen Fixation Special Feature: Flavodoxin hydroquinone reduces Azotobacter vinelandii Fe protein to the all-ferrous redox state with a S = 0 spin state

Adaptive wavefront correction in two-photon microscopy using coherence-gated wavefront sensing

Quantitative multispectral biosensing and 1D imaging using quasi-3D plasmonic crystals

Two-photon vibrational spectroscopy for biosciences based on surface-enhanced hyper-Raman scattering

Nitrogen Fixation Special Feature: Inner-sphere two-electron reduction leads to cleavage and functionalization of coordinated dinitrogen

Nitrogen Fixation Special Feature: Catalytic reduction of dinitrogen to ammonia at a single molybdenum center

Nitrogen Fixation Special Feature: On the feasibility of N2 fixation via a single-site FeI/FeIV cycle: Spectroscopic studies of FeI(N2)FeI, FeIV N, and related species

Nitrogen Fixation Special Feature: A methyldiazene (HN N CH3)-derived species bound to the nitrogenase active-site FeMo cofactor: Implications for mechanism

The color of rhodopsins at the ab initio multiconfigurational perturbation theory resolution

Concatenated logic gates using four coupled biocatalysts operating in series

Blood flow velocity effects and role of activation delay time on growth and form of platelet thrombi

The potential rate of bed-load transport

Bacterial metapopulations in nanofabricated landscapes

The potential rate of bed-load transport

Electrostatic origin of the genome packing in viruses

Emergent magnetic moments produced by self-damage in plutonium

Genotypic predictors of human immunodeficiency virus type 1 drug resistance

Feasibility of cooling the Earth with a cloud of small spacecraft near the inner Lagrange point (L1)

Cognitive cladistics and cultural override in Hominid spatial cognition

Returning forests analyzed with the forest identity

Recent Southeast Asian domestication and Lapita dispersal of sacred male pseudohermaphroditic “tuskers” and hairless pigs of Vanuatu

Early modern humans from the Peştera Muierii, Baia de Fier, Romania

A critical role for IκB kinase α in the development of human and mouse squamous cell carcinomas

Nitrogen Fixation Special Feature: A methyldiazene (HN N CH3)-derived species bound to the nitrogenase active-site FeMo cofactor: Implications for mechanism

From the Cover: Nitrogen Fixation Special Feature: FeMo cofactor maturation on NifEN

From the Cover: Nitrogen Fixation Special Feature: Nitrogenase Fe protein: A molybdate/homocitrate insertase

Nitrogen Fixation Special Feature: Flavodoxin hydroquinone reduces Azotobacter vinelandii Fe protein to the all-ferrous redox state with a S = 0 spin state

From the Cover: Structure of a heparin-dependent complex of Hedgehog and Ihog

Nitrogen Fixation Special Feature: How many metals does it take to fix N₂? A mechanistic overview of biological nitrogen fixation

Nitrogen Fixation Special Feature: On the feasibility of N₂ fixation via a single-site Fe^I/Fe^IV cycle: Spectroscopic studies of Fe^I(N₂)Fe^I, Fe^IV N, and related species

Nitrogen Fixation Special Feature: A methyldiazene (HN N CH₃)-derived species bound to the nitrogenase active-site FeMo cofactor: Implications for mechanism

Nitrogen Fixation Special Feature: On the feasibility of N₂ fixation via a single-site Fe^I/Fe^IV cycle: Spectroscopic studies of Fe^I(N₂)Fe^I, Fe^IV N, and related species

Nitrogen Fixation Special Feature: A methyldiazene (HN N CH₃)-derived species bound to the nitrogenase active-site FeMo cofactor: Implications for mechanism

Nitrogen Fixation Special Feature: A methyldiazene (HN N CH₃)-derived species bound to the nitrogenase active-site FeMo cofactor: Implications for mechanism