Abstract »| Full Text »| PDF »| Supporting Online Material »|
Strong Relationship Between DMS and the Solar Radiation Dose over the Global Surface Ocean
Sergio M. Vallina and Rafel Simó
Science 26 January 2007: 506-508.
The amount of dimethylsulfide produced by marine organisms helps to form clouds but depends on the amount of local sunlight, forming a negative feedback system.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
A Plasminogen-Activating Protease Specifically Controls the Development of Primary Pneumonic Plague
Wyndham W. Lathem, Paul A. Price, Virginia L. Miller, and William E. Goldman
Science 26 January 2007: 509-513.
Plague bacteria can infect the lung because of the presence of a specific protease, which probably helps to inhibit host defenses and may be a useful therapeutic target.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
A Virus in a Fungus in a Plant: Three-Way Symbiosis Required for Thermal Tolerance
Luis M. Márquez, Regina S. Redman, Russell J. Rodriguez, and Marilyn J. Roossinck
Science 26 January 2007: 513-515.
A heat-tolerant grass in 65°C Yellowstone soils can grow only when infected by a fungus, which is protective only when it itself is infected by a mycovirus.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
The Neural Basis of Loss Aversion in Decision-Making Under Risk
Sabrina M. Tom, Craig R. Fox, Christopher Trepel, and Russell A. Poldrack
Science 26 January 2007: 515-518.
Overlapping brain networks respond more to gambling losses than to gains, correlating with behavioral observations about risk aversion.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
Asymmetric Inheritance of Mother Versus Daughter Centrosome in Stem Cell Division
Yukiko M. Yamashita, Anthony P. Mahowald, Julie R. Perlin, and Margaret T. Fuller
Science 26 January 2007: 518-521.
In the process of producing differentiating daughters, the mother centrosome of Drosophila male germ cells is anchored via a microtubule array near the niche, producing asymmetric division.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
Kinetics of Morphogen Gradient Formation
Anna Kicheva, Periklis Pantazis, Tobias Bollenbach, Yannis Kalaidzidis, Thomas Bittig, Frank Jülicher, and Marcos González-Gaitán
Science 26 January 2007: 521-525.
The kinetic parameters that establish and maintain morphogenic gradients are defined and measured for two key morphogens in Drosophila.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
A "Silent" Polymorphism in the MDR1 Gene Changes Substrate Specificity
Chava Kimchi-Sarfaty, Jung Mi Oh, In-Wha Kim, Zuben E. Sauna, Anna Maria Calcagno, Suresh V. Ambudkar, and Michael M. Gottesman
Science 26 January 2007: 525-528.
Published online 21 December 2006 [DOI: 10.1126/science.1135308] (in Science Express Reports)
A rare, but synonymous, codon in alleles of a drug-resistance gene can change translation kinetics and so produce a conformationally distinct protein species.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
Imaging of Germinal Center Selection Events During Affinity Maturation
Christopher D. C. Allen, Takaharu Okada, H. Lucy Tang, and Jason G. Cyster
Science 26 January 2007: 528-531.
Published online 21 December 2006 [DOI: 10.1126/science.1136736] (in Science Express Reports)
During selection of immune cells that make high-affinity antibodies within lymph nodes, the cells are highly mobile and seem to compete for help from other immune cells.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
Damage to the Insula Disrupts Addiction to Cigarette Smoking
Nasir H. Naqvi, David Rudrauf, Hanna Damasio, and Antoine Bechara
Science 26 January 2007: 531-534.
Smokers who sustain damage to the insula, a little-studied part of the brain, find that the urge to smoke is reduced.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
Technical Comments
Comment on "Evolutionary Paths Underlying Flower Color Variation in Antirrhinum"
Mark D. Rausher
Science 26 January 2007: 461.
Abstract »| Full Text »| PDF »|
Response to Comment on "Evolutionary Paths Underlying Flower Color Variation in Antirrhinum"
Annabel C. Whibley, Nicolas B. Langlade, Christophe Andalo, Andrew I. Hanna, Andrew Bangham, Christophe Thébaud, and Enrico Coen
Science 26 January 2007: 461.
Abstract »| Full Text »| PDF »|
