Phys. Rev. Focus26, 2 (2010) – Published July 9, 2010
Water molecules driven into a cell membrane spontaneously generate holes through the membrane, according to simulations. The process has been used in the lab but not fully understood at the molecular scale.
New analyses suggest strategies by which biological sensors may be able to measure changes in concentrations of chemical signaling molecules more accurately, but does this reflect what actually happens in nature?
Faster does not mean more precise—a new view of how proteins diffuse and bind to a specific site on the DNA reassesses the role noise plays in the biochemical production line that creates biomolecules from genes.