Jordi Torres-Rosell, Giacomo De Piccoli, Violeta Cordon-Preciado, Sarah Farmer, Adam Jarmuz, Felix Machin, Philippe Pasero, Michael Lisby, James E. Haber, and Luis Aragón
Science 9 March 2007: 1411-1415.
Unexpectedly, yeast--a widely used organism for cell cycle studies--does not have a mechanism to prevent cell division if DNA replication is still incomplete.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
From Swimming to Walking with a Salamander Robot Driven by a Spinal Cord Model
Auke Jan Ijspeert, Alessandro Crespi, Dimitri Ryczko, and Jean-Marie Cabelguen
Science 9 March 2007: 1416-1420.
A simple circuit that controls swimming in a robotic salamander can be converted to one that generates realistic walking by the addition of local circuits for limb oscillation.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
Ecological Speciation in South Atlantic Island Finches
Peter G. Ryan, Paulette Bloomer, Coleen L. Moloney, Tyron J. Grant, and Wayne Delport
Science 9 March 2007: 1420-1423.
Finch populations on two Tristan islands have independently evolved into two species, each with properties attributable to ecological differences between the two islands.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
Coupling Diurnal Cytosolic Ca2 Oscillations to the CAS-IP3 Pathway in Arabidopsis
Ru-Hang Tang, Shengcheng Han, Hailei Zheng, Charles W. Cook, Christopher S. Choi, Todd E. Woerner, Robert B. Jackson, and Zhen-Ming Pei
Science 9 March 2007: 1423-1426.
An interplay of signaling pathways monitors and controls the diurnal rhythm in intracellular calcium in plant cells, responding to soil calcium levels and transpiration.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
Odor Cues During Slow-Wave Sleep Prompt Declarative Memory Consolidation
Björn Rasch, Christian Büchel, Steffen Gais, and Jan Born
Science 9 March 2007: 1426-1429.
In humans, a new memory formed in the presence of an odor is consolidated faster when the odor is used to induce neural activity in the hippocampus during subsequent sleep.
Abstract »| Full Text »| PDF »| Supporting Online Material »|
