Metabolism: What Causes the Gut's Circadian Instincts?

@article{Gimble2011MetabolismWC,
  title={Metabolism: What Causes the Gut's Circadian Instincts?},
  author={Jeffrey M. Gimble and Z. Elizabeth Floyd},
  journal={Current Biology},
  year={2011},
  volume={21},
  pages={R624-R626}
}
What mechanisms control circadian rhythms in the gastrointestinal tract and how does this impact nutrient metabolism? The deadenylase and leucine zipper protein Nocturnin is now shown to play a central role.