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FEBS Lett


Title:Cell signaling: what is the signal and what information does it carry?
Author(s):Brent R;
Address:"Division of Basic Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA. rbrent@fhcrc.org"
Journal Title:FEBS Lett
Year:2009
Volume:583
Issue:24
Page Number:4019 - 4024
DOI: 10.1016/j.febslet.2009.11.029
ISSN/ISBN:1873-3468 (Electronic) 0014-5793 (Linking)
Abstract:"This paper reviews key findings from quantitative study of the yeast pheromone response system. Most come from single cell experiments that quantify molecular events the system uses to operate. After induction, signal propagation is relatively slow; peak activity takes minutes to reach the nucleus. At each measurement point along the transmission chain, signal rises, overshoots, peaks, and declines toward steady state. At at least one measurement point, this decline depends on negative feedback. The system senses and relays percent receptor occupancy, and one effect of the feedback is to maximize precision of this transmitted information. Over time, the system constantly adjusts quantitative behaviors to convey extracellular ligand concentration faithfully. These behaviors and mechanisms that control them are likely to be general for metazoan signaling systems"
Keywords:Animals Pheromones/*metabolism/pharmacology Saccharomyces cerevisiae/drug effects/*metabolism *Signal Transduction Systems Biology/*methods;
Notes:"MedlineBrent, Roger eng P50 HG002370/HG/NHGRI NIH HHS/ Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Review England 2009/11/18 FEBS Lett. 2009 Dec 17; 583(24):4019-24. doi: 10.1016/j.febslet.2009.11.029"

 
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