December 2008

All male ithomiine butterflies bear androconial "hairs" on the hindwing, which are actually a cluster of highly modified wing scales, erected during courtship displays. Yellow stripes on a black background are a signal to predators that this Napeogenes inachia, as well as nine other co-mimic species that have converged in both wing pattern and forest microhabitat, are unpalatable (see Elias et al., e300).

Image Credit: Photograph by Keith Willmott

Editorial

Historical and Philosophical Perspectives on Contemporary Biology

Evelyn Fox Keller

PLOS Biology: published December 23, 2008 | https://doi.org/10.1371/journal.pbio.0060321

Synopses

Lessons on Life from SENP2

Caitlin Sedwick

PLOS Biology: published December 16, 2008 | https://doi.org/10.1371/journal.pbio.0060312

Loopy Chromatin Brings Distant DNA to Bear on Silencing Promoter Genes

Mary Hoff

PLOS Biology: published December 2, 2008 | https://doi.org/10.1371/journal.pbio.0060313

Gal4 Gets Genes to Loosen Up

Caitlin Sedwick

PLOS Biology: published December 23, 2008 | https://doi.org/10.1371/journal.pbio.1000006

Essay

Towards an Integrated Framework for Assessing the Vulnerability of Species to Climate Change

Stephen E Williams, Luke P Shoo, Joanne L Isaac, Ary A Hoffmann, Gary Langham

PLOS Biology: published December 23, 2008 | https://doi.org/10.1371/journal.pbio.0060325

Historical and Philosophical Perspectives

“It's Ok, We're Not Cousins by Blood”: The Cousin Marriage Controversy in Historical Perspective

Diane B Paul, Hamish G Spencer

PLOS Biology: published December 23, 2008 | https://doi.org/10.1371/journal.pbio.0060320

Primers

The Role of Auxin Transport in Plant Patterning Mechanisms

Richard S Smith

PLOS Biology: published December 16, 2008 | https://doi.org/10.1371/journal.pbio.0060323

Caenorhabditis elegans Meets Microsporidia: The Nematode Killers from Paris

Jonathan Hodgkin, Frederick A Partridge

PLOS Biology: published December 23, 2008 | https://doi.org/10.1371/journal.pbio.1000005

Animal Defenses against Infectious Agents: Is Damage Control More Important Than Pathogen Control

Andrew F Read, Andrea L Graham, Lars Råberg

PLOS Biology: published December 23, 2008 | https://doi.org/10.1371/journal.pbio.1000004

Research Articles

Mutualistic Interactions Drive Ecological Niche Convergence in a Diverse Butterfly Community

Marianne Elias, Zachariah Gompert, Chris Jiggins, Keith Willmott

PLOS Biology: published December 2, 2008 | https://doi.org/10.1371/journal.pbio.0060300

The Worldwide Variation in Avian Clutch Size across Species and Space

Walter Jetz, Cagan H Sekercioglu, Katrin Böhning-Gaese

PLOS Biology: published December 9, 2008 | https://doi.org/10.1371/journal.pbio.0060303

High Functional Diversity in Mycobacterium tuberculosis Driven by Genetic Drift and Human Demography

Ruth Hershberg, Mikhail Lipatov, Peter M Small, Hadar Sheffer, Stefan Niemann, Susanne Homolka, Jared C Roach, Kristin Kremer, Dmitri A Petrov, Marcus W Feldman, Sebastien Gagneux

PLOS Biology: published December 16, 2008 | https://doi.org/10.1371/journal.pbio.0060311

Timing Precision in Population Coding of Natural Scenes in the Early Visual System

Gaëlle Desbordes, Jianzhong Jin, Chong Weng, Nicholas A Lesica, Garrett B Stanley, Jose-Manuel Alonso

PLOS Biology: published December 16, 2008 | https://doi.org/10.1371/journal.pbio.0060324

Identifying Neural Drivers with Functional MRI: An Electrophysiological Validation

Olivier David, Isabelle Guillemain, Sandrine Saillet, Sebastien Reyt, Colin Deransart, Christoph Segebarth, Antoine Depaulis

PLOS Biology: published December 23, 2008 | https://doi.org/10.1371/journal.pbio.0060315

PKMζ Maintains Spatial, Instrumental, and Classically Conditioned Long-Term Memories

Peter Serrano, Eugenia L Friedman, Jana Kenney, Stephen M Taubenfeld, Joshua M Zimmerman, John Hanna, Cristina Alberini, Ann E Kelley, Stephen Maren, Jerry W Rudy, Jerry C. P Yin, Todd C Sacktor, André A Fenton

PLOS Biology: published December 23, 2008 | https://doi.org/10.1371/journal.pbio.0060318

The Maternally Expressed WRKY Transcription Factor TTG2 Controls Lethality in Interploidy Crosses of Arabidopsis

Brian P Dilkes, Melissa Spielman, Renate Weizbauer, Brian Watson, Diana Burkart-Waco, Rod J Scott, Luca Comai

PLOS Biology: published December 9, 2008 | https://doi.org/10.1371/journal.pbio.0060308

Root System Architecture from Coupling Cell Shape to Auxin Transport

Marta Laskowski, Verônica A Grieneisen, Hugo Hofhuis, Colette A. ten Hove, Paulien Hogeweg, Athanasius F. M Marée, Ben Scheres

PLOS Biology: published December 16, 2008 | https://doi.org/10.1371/journal.pbio.0060307

Microsporidia Are Natural Intracellular Parasites of the Nematode Caenorhabditis elegans

Emily R Troemel, Marie-Anne Félix, Noah K Whiteman, Antoine Barrière, Frederick M Ausubel

PLOS Biology: published December 9, 2008 | https://doi.org/10.1371/journal.pbio.0060309

The Bacterial Symbiont Wolbachia Induces Resistance to RNA Viral Infections in Drosophila melanogaster

Luís Teixeira, Álvaro Ferreira, Michael Ashburner

PLOS Biology: published December 23, 2008 | https://doi.org/10.1371/journal.pbio.1000002

A Signaling Protease Required for Melanization in Drosophila Affects Resistance and Tolerance of Infections

Janelle S Ayres, David S Schneider

PLOS Biology: published December 9, 2008 | https://doi.org/10.1371/journal.pbio.0060305

The Communication Factor EDF and the Toxin–Antitoxin Module mazEF Determine the Mode of Action of Antibiotics

Ilana Kolodkin-Gal, Boaz Sat, Alex Keshet, Hanna Engelberg- Kulka

PLOS Biology: published December 16, 2008 | https://doi.org/10.1371/journal.pbio.0060319

Twist-2 Controls Myeloid Lineage Development and Function

Andrew B Sharabi, Melissa Aldrich, Drazen Sosic, Eric N Olson, Alan D Friedman, Sung-Hyung Lee, Si-Yi Chen

PLOS Biology: published December 16, 2008 | https://doi.org/10.1371/journal.pbio.0060316

SUMO-Specific Protease 2 Is Essential for Modulating p53-Mdm2 in Development of Trophoblast Stem Cell Niches and Lineages

Shang-Yi Chiu, Naoya Asai, Frank Costantini, Wei Hsu

PLOS Biology: published December 16, 2008 | https://doi.org/10.1371/journal.pbio.0060310

Nutrient-Regulated Antisense and Intragenic RNAs Modulate a Signal Transduction Pathway in Yeast

Masafumi Nishizawa, Tae Komai, Yuki Katou, Katsuhiko Shirahige, Takehiko Ito, Akio Toh-e

PLOS Biology: published December 23, 2008 | https://doi.org/10.1371/journal.pbio.0060326

Modeling a Snap-Action, Variable-Delay Switch Controlling Extrinsic Cell Death

John G Albeck, John M Burke, Sabrina L Spencer, Douglas A Lauffenburger, Peter K Sorger

PLOS Biology: published December 2, 2008 | https://doi.org/10.1371/journal.pbio.0060299

Senescence-Associated Secretory Phenotypes Reveal Cell-Nonautonomous Functions of Oncogenic RAS and the p53 Tumor Suppressor

Jean-Philippe Coppé, Christopher K Patil, Francis Rodier, Yu Sun, Denise P Muñoz, Joshua Goldstein, Peter S Nelson, Pierre-Yves Desprez, Judith Campisi

PLOS Biology: published December 2, 2008 | https://doi.org/10.1371/journal.pbio.0060301

Tissue-Specific Genetic Control of Splicing: Implications for the Study of Complex Traits

Erin L Heinzen, Dongliang Ge, Kenneth D Cronin, Jessica M Maia, Kevin V Shianna, Willow N Gabriel, Kathleen A Welsh-Bohmer, Christine M Hulette, Thomas N Denny, David B Goldstein

PLOS Biology: published December 23, 2008 | https://doi.org/10.1371/journal.pbio.1000001

Epigenomic Consequences of Immortalized Plant Cell Suspension Culture

Milos Tanurdzic, Matthew W Vaughn, Hongmei Jiang, Tae-Jin Lee, R. Keith Slotkin, Bryon Sosinski, William F Thompson, R. W Doerge, Robert A Martienssen

PLOS Biology: published December 9, 2008 | https://doi.org/10.1371/journal.pbio.0060302

BEAF Regulates Cell-Cycle Genes through the Controlled Deposition of H3K9 Methylation Marks into Its Conserved Dual-Core Binding Sites

Eldon Emberly, Roxane Blattes, Bernd Schuettengruber, Magali Hennion, Nan Jiang, Craig M Hart, Emmanuel Käs, Olivier Cuvier

PLOS Biology: published December 23, 2008 | https://doi.org/10.1371/journal.pbio.0060327

PcG Proteins, DNA Methylation, and Gene Repression by Chromatin Looping

Vijay K Tiwari, Kelly M McGarvey, Julien D.F Licchesi, Joyce E Ohm, James G Herman, Dirk Schübeler, Stephen B Baylin

PLOS Biology: published December 2, 2008 | https://doi.org/10.1371/journal.pbio.0060306

Activator Control of Nucleosome Occupancy in Activation and Repression of Transcription

Gene O Bryant, Vidya Prabhu, Monique Floer, Xin Wang, Dan Spagna, David Schreiber, Mark Ptashne

PLOS Biology: published December 23, 2008 | https://doi.org/10.1371/journal.pbio.0060317

Corrections

Correction: Fish Invasions in the World's River Systems: When Natural Processes Are Blurred by Human Activities

Fabien Leprieur, Olivier Beauchard, Simon Blanchet, Thierry Oberdorff, Sébastien Brosse

PLOS Biology: published December 23, 2008 | https://doi.org/10.1371/journal.pbio.0060322

Correction: Survival of Migrating Salmon Smolts in Large Rivers With and Without Dams

David W Welch, Erin L Rechisky, Michael C Melnychuk, Aswea D Porter, Carl J Walters, Shaun Clements, Benjamin J Clemens, R. Scott McKinley, Carl Schreck

PLOS Biology: published December 23, 2008 | https://doi.org/10.1371/journal.pbio.0060314

Cover

Courtship display of a male clearwing butterfly.

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