Ansgar Grimberg, Heinrich Baur, Peter Bochsler, Fritz Bühler, Donald S. Burnett, Charles C. Hays, Veronika S. Heber, Amy J. G. Jurewicz, and Rainer Wieler
Science 17 November 2006: 1133-1135.
Isotopes of neon from the solar wind fractionate with depth in detectors on the Genesis spacecraft; a similar process may explain enigmatic neon isotopes in lunar soils.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
Sara Endosomes and the Maintenance of Dpp Signaling Levels Across Mitosis
Christian Bökel, Anja Schwabedissen, Eugeni Entchev, Olivier Renaud, and Marcos González-Gaitán
Science 17 November 2006: 1135-1139.
As cells divide during development, daughter cells retain the growth signals received by their parents through equal partitioning of a subpopulation of tagged intracellular vesicles.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
Abortive Initiation and Productive Initiation by RNA Polymerase Involve DNA Scrunching
Andrey Revyakin, Chenyu Liu, Richard H. Ebright, and Terence R. Strick
Science 17 November 2006: 1139-1143.
RNA polymerase bound to DNA begins transcription by pulling downstream DNA into itself to form a scrunched intermediate that provides the force for subsequent steps.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
Initial Transcription by RNA Polymerase Proceeds Through a DNA-Scrunching Mechanism
Achillefs N. Kapanidis, Emmanuel Margeat, Sam On Ho, Ekaterine Kortkhonjia, Shimon Weiss, and Richard H. Ebright
Science 17 November 2006: 1144-1147.
RNA polymerase bound to DNA begins transcription by pulling downstream DNA into itself to form a scrunched intermediate that provides the force for subsequent steps.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
N-Linked Glycosylation of Folded Proteins by the Bacterial Oligosaccharyltransferase
Michael Kowarik, Shin Numao, Mario F. Feldman, Benjamin L. Schulz, Nico Callewaert, Eva Kiermaier, Ina Catrein, and Markus Aebi
Science 17 November 2006: 1148-1150.
Bacteria can add sugars to proteins after the latter have folded, whereas eukaryotic cells do so during the protein folding process.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
New Strategies for the Elimination of Polio from India
Nicholas C. Grassly, Christophe Fraser, Jay Wenger, Jagadish M. Deshpande, Roland W. Sutter, David L. Heymann, and R. Bruce Aylward
Science 17 November 2006: 1150-1153.
Use of monovalent vaccines may eliminate polio from areas where poor sanitation and high population density facilitate transmission and interfere with vaccine efficacy.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
The Psychological Consequences of Money
Kathleen D. Vohs, Nicole L. Mead, and Miranda R. Goode
Science 17 November 2006: 1154-1156.
In a laboratory experiment, individuals with money are less likely to seek help or offer assistance to other people.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
Generation of Gut-Homing IgA-Secreting B Cells by Intestinal Dendritic Cells
J. Rodrigo Mora, Makoto Iwata, Bertus Eksteen, Si-Young Song, Tobias Junt, Balimkiz Senman, Kevin L. Otipoby, Aya Yokota, Hajime Takeuchi, Paola Ricciardi-Castagnoli, Klaus Rajewsky, David H. Adams, and Ulrich H. von Andrian
Science 17 November 2006: 1157-1160.
Immune cells in the gut are programmed by other cells in the nearby lymphoid tissue and a vitamin A-related signal to make antibodies that protect against gut pathogens.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
