Toward a chronome of Euglena gracilis (Klebs)

Leland Edmunds, Ivonne Balzer, Germaine G Cornelissen-Guillaume, Franz Halberg

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Euglena gracilis (Klebs) has extensively mapped circadians as well as hints of the biological half-week and week. It complements Acetabularia as a unicellular model in which endogenous melatonin can be manipulated. Meta-analysis hints that mapping should be extended beyond components of 24 hours, to encompass, with age, ultradians, about-half-weekly, about-weekly and other infradian changes.

Original languageEnglish (US)
Pages (from-to)192-199
Number of pages8
JournalNeuroendocrinology Letters
Issue numberSUPPL. 1
StatePublished - 2003


  • Chronome
  • Comparative physiology
  • Euglena
  • Infradian
  • Melatonin
  • Shift-work
  • Ultradian


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