Body temperature daily rhythms of the fat jird Meriones crassus: Effects of beta and alpha adrenergic blockers

N. Palgi, Y. Naaman, A. Haim

Research output: Contribution to journalArticlepeer-review

Abstract

(1) The responses of body temperature (Tb) daily rhythms of short photoperiod (8L:16D) acclimated fat jirds Meriones crassus, a nocturnal xeric burrowing species, to beta (propranolol, 4.5 mg/kg) and alpha (prazosine, 1 mg/kg) adrenergic blockade were studied. (2) The results of our study show that beta blockade significantly (p<0.01) increased Tb values during the dark phase (24:00 and 06:00 h) and shifted the acrophase. (3) Alpha blockade significantly (p<0.05) decreased Tb values during the dark phase (24:00 h) but significantly (p<0.01) also increased Tb during the light phase (12:00 h). (4) These responses are similar to those obtained for two different diurnal species inhabiting arid environments and differ from those of the nocturnal golden hamster.

Original languageEnglish
Pages (from-to)177-180
Number of pages4
JournalJournal of Thermal Biology
Volume31
Issue number1-2 SPEC. ISS.
DOIs
StatePublished - Jan 2006

Keywords

  • Adrenergic blockade
  • Body temperature
  • Daily rhythms
  • Rodent
  • Xeric

ASJC Scopus subject areas

  • Biochemistry
  • Physiology
  • Agricultural and Biological Sciences (all)
  • Developmental Biology

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