title: Temperature compensation in an ultradian rhythm of tyrosine aminotransferase activity in Euglena gracilis Klebs.
abstract: Tyrosine aminotransferase activity of Euglena oscillates with an ultradian period of approximately 4-5 h. The oscillation frequency in the time series was determined by cosine fitting. Experiments which were performed between 16 and 31.5 degrees C revealed temperature compensation.
authors.affiliation: I. Zoologisches Institut, Universität Göttingen, Federal Republic of Germany.
authors.forename: I
authors.initials: I
authors.lastname: Balzer
authors.forename: U
authors.initials: U
authors.lastname: Neuhaus-Steinmetz
authors.forename: R
authors.initials: R
authors.lastname: Hardeland
mesh_terms: D000204:Activity Cycles; D000818:Animals; D002940:Circadian Rhythm; D005056:Euglena gracilis / Q000201:enzymology / Q000502:physiology*; D013696:Temperature; D014444:Tyrosine Transaminase / Q000378:metabolism*
chemical_list: D014444:Tyrosine Transaminase