Table of Contents: July 2007


A directional starburst.

Image Credit: Image created by S. Hausselt with ImageJ and Adobe Photoshop
Issue Image

A starburst amacrine cell in the intact rabbit retina is filled with fluorescent dye and imaged by two-photon microscopy. The intricate dendrites of this neuron are independent functional units that compute the direction of image motion.


New Taxonomy and the Origin of Species

Shai Meiri, Georgina M Mace





Research Articles

Spontaneous Altruism by Chimpanzees and Young Children

Felix Warneken, Brian Hare, Alicia P Melis, Daniel Hanus, Michael Tomasello

Generalized Reciprocity in Rats

Claudia Rutte, Michael Taborsky

The Functional Microarchitecture of the Mouse Barrel Cortex

Takashi R Sato, Noah W Gray, Zachary F Mainen, Karel Svoboda

Topological Reorganization of Odor Representations in the Olfactory Bulb

Emre Yaksi, Benjamin Judkewitz, Rainer W Friedrich

A Dendrite-Autonomous Mechanism for Direction Selectivity in Retinal Starburst Amacrine Cells

Susanne E Hausselt, Thomas Euler, Peter B Detwiler, Winfried Denk

Rb-Mediated Neuronal Differentiation through Cell-Cycle–Independent Regulation of E2f3a

Danian Chen, Rene Opavsky, Marek Pacal, Naoyuki Tanimoto, Pamela Wenzel, Mathias W Seeliger, Gustavo Leone, Rod Bremner

All β Cells Contribute Equally to Islet Growth and Maintenance

Kristen Brennand, Danwei Huangfu, Doug Melton

The Spindle Pole Bodies Facilitate Nuclear Envelope Division during Closed Mitosis in Fission Yeast

Liling Zheng, Cindi Schwartz, Valentin Magidson, Alexey Khodjakov, Snezhana Oliferenko

Imaging Poliovirus Entry in Live Cells

Boerries Brandenburg, Lily Y Lee, Melike Lakadamyali, Michael J Rust, Xiaowei Zhuang, James M Hogle

Development of the Human Infant Intestinal Microbiota

Chana Palmer, Elisabeth M Bik, Daniel B DiGiulio, David A Relman, Patrick O Brown

Evolution of Symbiotic Bacteria in the Distal Human Intestine

Jian Xu, Michael A Mahowald, Ruth E Ley, Catherine A Lozupone, Micah Hamady, Eric C Martens, Bernard Henrissat, Pedro M Coutinho, Patrick Minx, Philippe Latreille, Holland Cordum, Andrew Van Brunt, Kyung Kim, Robert S Fulton, Lucinda A Fulton, Sandra W Clifton, Richard K Wilson, Robin D Knight, Jeffrey I Gordon

Comparison of C. elegans and C. briggsae Genome Sequences Reveals Extensive Conservation of Chromosome Organization and Synteny

LaDeana W Hillier, Raymond D Miller, Scott E Baird, Asif Chinwalla, Lucinda A Fulton, Daniel C Koboldt, Robert H Waterston

Epigenetic Natural Variation in Arabidopsis thaliana

Matthew W Vaughn, Miloš Tanurdžić, Zachary Lippman, Hongmei Jiang, Robert Carrasquillo, Pablo D Rabinowicz, Neilay Dedhia, W. Richard McCombie, Nicolas Agier, Agnès Bulski, Vincent Colot, R.W Doerge, Robert A Martienssen


Correction: Modification of a Hydrophobic Layer by a Point Mutation in Syntaxin 1A Regulates the Rate of Synaptic Vesicle Fusion

Robert D Lagow, Hong Bao, Evan N Cohen, Richard W Daniels, Aleksej Zuzek, Wade H Williams, Gregory T Macleod, R. Bryan Sutton, Bing Zhang