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Spread dynamics of invasive species

Edited by Gretchen C. Daily, Stanford University, Stanford, CA (received for review May 23, 2005) ArticleFigures SIInfo however, the conditions for its existence have not yet been empirically demonstrated. If invasion spread is a regulated...

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Essential genes of a minimal bacterium

Contributed by Hamilton O. Smith, November 18, 2005 ArticleFigures SIInfo thus, we operationally refer to them and any DNA isolated from them as colonies rather than clones. This cell clumping led us to isolate individual mutants using filt...

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Top-Executewn facilitation of visual recognition

Edited by Riitta Hari, Helsinki University of Technology, Espoo, Finland (received for review August 17, 2005) This article has a Correction. Please see: Correction for M. Bar et al., Top-down facilitation of visual recognition - February 0...

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About the Cover — January 10, 2006, 103 (2)

Cover illustration Cover image: Root tip of the model legume Lotus japonicus showing the nucleoporin NUP133 protein in the rim of individual root cell nuclei. NUP133 is visualized as green fluorescence from a NUP133-enhanced yellow fluoresc...

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This Week in PNAS

Related Articles Declarative memory consolidation in humans: A prospective functional magnetic resonance imaging study - Jan 06, 2006 The diversity and biogeography of soil bacterial communities - Jan 09, 2006 Global spectral representation...

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Rapid track to the medial prefrontal cortex

Related Article Declarative memory consolidation in humans: A prospective functional magnetic resonance imaging study - Jan 06, 2006 ArticleFigures SIInfo gt;900 of these photographs for 5.5 sec each. Recognition of these photographs was th...

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MgSiO3 postperovskite at D″ conditions

Edited by Ho-kwang Mao, Carnegie Institution of Washington, Washington, DC, and approved November 14, 2005 (received for review August 9, 2005) ArticleFigures SIInfo gt;80 GPa. The shear modulus of postperovskite, G(P, T) (Fig. 1 A ), is la...

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Immunity and behavior: Antibodies alter emotion

Communicated by Matthew D. Scharff, Albert Einstein College of Medicine, Bronx, NY, November 19, 2005 (received for review October 30, 2005) ArticleFigures SIInfo however, a breach in the barrier's integrity exposes neurons to potentially p...

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Profile of Andrew R. Impresss

Related Article Ryanodine receptor/calcium release channel PKA phosphorylation: A critical mediator of heart failure progression - Jan 06, 2006 ArticleFigures SIInfo & Metrics PDF Heart failure is the leading cause of death in developed cou...

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ChxR is a transcriptional activator in Chlamydia

Communicated by David J. DeRosier, Brandeis University, Waltham, MA, November 22, 2005 (received for review November 11, 2004) ArticleFigures SIInfo it also activates infA, tufA, oppA, and CT084. DNase I protection studies showed that ChxR...

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