DISSOCIATION OF THE CIRCADIAN SYSTEM OF OCTODON DEGUS BY T28 AND T21 LIGHT-DARK CYCLES

REFERENCES

• Aschoff J. (1960). Exogenous and endogenous components in circadian rhythms. Cold Spring Harb. Symp. Quant. Biol. 25:11–28.
   PubMedGoogle Scholar
• Aschoff J, von Goetz C. (1988). Masking of circadian activity rhythms in hamsters by darkness. J. Comp. Physiol. A 162:559–562.
   PubMed Web of Science ®Google Scholar
• Aschoff J, von Goetz C. (1989). Masking of circadian activity rhythms in canaries by light and dark. J. Biol. Rhythms 4:29–38.
   PubMed Web of Science ®Google Scholar
• Cambras T, Chiesa J, Araujo J, Díez-Noguera A. (2004). Effects of photoperiod on rat motor activity rhythm at the lower limit of entrainment. J. Biol. Rhythms 19:216–225.
   PubMed Web of Science ®Google Scholar
• Cambras T, Weller JR, Anglés-Pujorás M, Lee ML, Christopher A, Díez-Noguera A, Krueger JM, de la Iglesia HO. (2007). Circadian desynchronization of core body temperature and sleep stages in the rat. Proc. Natl. Acad. Sci. U.S.A. 104:7634–7639.
   PubMed Web of Science ®Google Scholar
• Campuzano A, Vilaplana J, Cambras T, Díez-Noguera A. (1998). Dissociation of the rat motor activity rhythm under T cycles shorter than 24 hours. Physiol. Behav. 63:171–176.
   PubMed Web of Science ®Google Scholar
• Campuzano A, Vilaplana J, Cambras T, Díez-Noguera A. (1999). The Role of wheel running in the coupling of two simultaneous circadian rhythms of motor activity in the rat. Biol. Rhythm Res. 30:497–507.
   Web of Science ®Google Scholar
• Canal-Corretger MM, Vilaplana J, Cambras T, Díez-Noguera A. (2001). Functioning of the rat circadian system is modified by light applied in critical postnatal days. Am. J. Physiol. Reg. Int. Comp. Physiol. 280:R1023–R1030.
   PubMed Web of Science ®Google Scholar
• Challet E. (2007). Minireview: Entrainment of the suprachiasmatic clockwork in diurnal and nocturnal mammals. Endocrinology 148:5648–5655.
   PubMed Web of Science ®Google Scholar
• De la Iglesia HO, Meyer J, Carpino A, Schwartz WJ. (2000). Antiphase oscillation of the left and right suprachiasmatic nuclei. Science 290:799–801.
   PubMed Web of Science ®Google Scholar
• De la Iglesia HO, Cambras T, Schwartz WJ, Díez-Noguera A. (2004). Forced desynchronization of dual circadian oscillators within the rat suprachiasmatic nucleus. Curr. Biol. 14:796–800.
   PubMed Web of Science ®Google Scholar
• De la Iglesia HO, Cambras T, Díez-Noguera A. (2008). Circadian internal desynchronization: lessons from a rat. Sleep Biol. Rhythms 6:76–83.
   Web of Science ®Google Scholar
• Duguay D, Cermakian N. (2009). Crosstalk between physiology and circadian clock proteins. Chronobiol. Int. 26:1479–1513.
   PubMed Web of Science ®Google Scholar
• Gwinner E. (1996). Circadian and circannual programmes in avian migration. J. Exp. Biol. 199:39–48.
   PubMed Web of Science ®Google Scholar
• Kas MJH, Edgar DM. (2001). Scheduled voluntary wheel running activity modulates free-running circadian body temperature rhythms in Octodon degus. J. Biol. Rhythms 16:66–75.
   Google Scholar
• Kenagy GJ, Nespoldo RF, Vasquez RA, Bozinovic F. (2002). Daily and seasonal limits of time and temperature to activity of degus. Rev. Chil. Hist. Nat. 75:567–581.
   Web of Science ®Google Scholar
• Kronfeld-Schor N, Dayan T. (2003). Partitioning of time as an ecological resource. Annu. Rev. Ecol. Syst. 34:153–181.
   Google Scholar
• Lagos VO, Bozinovic F, Contreras LC. (1995). Microhabitat use by a small diurnal rodent (Octodon degus) in a semiarid environment: thermoregulatory constraints or predation risks? J. Mammal. 76:900–905.
   Web of Science ®Google Scholar
• Minors DS, Waterhouse JM. (1989). Masking in humans: the problem and some attempts to solve it. Chronobiol. Int. 6:29–53.
   PubMed Web of Science ®Google Scholar
• Morin LP, Studholme KM. (2009). Millisecond light pulses make mice stop running, then display prolonged sleep-like behavior in the absence of light. J. Biol. Rhythms 24:497–508.
   PubMed Web of Science ®Google Scholar
• Mrosovsky N. (1999). Masking: history, definitions, and measurement. Chronobiol. Int. 16:415–429.
   PubMed Web of Science ®Google Scholar
• Mrosovsky N. (2003). Beyond the suprachiasmatic nucleus. Chronobiol. Int. 20:1–8.
   PubMed Web of Science ®Google Scholar
• Pittendrigh CS, Daan S. (1976). A functional analysis of circadian pacemakers in nocturnal rodents. V. Pacemaker structure: a clock for all seasons. J. Comp. Physiol. 106:333–355.
   Web of Science ®Google Scholar
• Portaluppi F, Touitou Y, Smolensky MH. (2008). Ethical and methodological standards for laboratory and medical biological rhythm research. Chronobiol. Int. 25:999–1016.
   PubMed Web of Science ®Google Scholar
• Redlin U, Mrosovsky N. (2004). Nocturnal activity in a diurnal rodent (Arvicanthis niloticus): the importance of masking. J. Biol. Rhythms 19:58–67.
   PubMed Web of Science ®Google Scholar
• Scannapieco E, Vittorio Pasquali V, Renzi P. (2009). Circadian and ultradian motor activity rhythms under 21h and 28h lighting cycles. Biol. Rhythm Res. 40:307–316.
   Web of Science ®Google Scholar
• Sokolove PG, Bushell WN. (1978). A chi square periodogram: its utility for the analysis of circadian rhythms. J. Theor. Biol. 72:131–160.
   PubMed Web of Science ®Google Scholar
• Vivanco P, Ortiz V, Rol MA, Madrid JA. (2007). Looking for the keys to diurnality downstream from the circadian clock: role of melatonin in a dual-phasing rodent, Octodon degus. J. Pineal Res. 42:280–290.
   PubMed Web of Science ®Google Scholar
• Vivanco P, Rol MA, Madrid JA. (2009). Two steady-entrainment phases and graded masking effects by light generate different circadian chronotypes in Octodon degus. Chronobiol. Int. 26:219–241.
   PubMed Web of Science ®Google Scholar
• Vivanco P, López-Espinoza A, Madariaga AM, Rol MA, Madrid JA. (2010a). Nocturnalism induced by scheduled feeding in diurnal Octodon degus. Chronobiol. Int. 27:233–250.
   PubMed Web of Science ®Google Scholar
• Vivanco P, Rol MA, Madrid JA. (2010b). Temperature cycles trigger nocturnalism in the diurnal homeotherm Octodon degus. Chronobiol. Int. 27:517–534.
   PubMed Web of Science ®Google Scholar