Many cellular events happen at specific times of the day. Day–night (light– darkness) alternation has trained organisms1 to anticipate periodic environmental changes and organize metabolism and behavior accordingly. Biological daily clocks coordinate the activity of the body’s organs and tissues. Many mammalian cells contain a molecular clock, i.e., a set of genes of which the cyclical expression controls self-sustained oscillators that are reset every day. The clock can keep ticking after the removal of all external stimuli.


Circadian Rhythm Circadian Clock Clock Gene Suprachiasmatic Nucleus Circadian Clock Gene 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  1. 1.Project-team INRIA-UPMC-CNRS REO Laboratoire Jacques-Louis Lions, CNRS UMR 7598Université Pierre et Marie CurieParis Cedex 05France

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