An Inbred Lineage of Djungarian Hamsters with a Strongly Attenuated Ability to Synchronize

References

• Bae H H, Larkin J E, Zucker I. Juvenile Siberian hamsters display torpor and modified locomotor activity and body temperature rhythms in response to reduced food availability. Physiol. Biochem. Zool. 2003; 76: 858–867
   PubMedGoogle Scholar
• Barakat M T, O'Hara B F, Cao V H, Heller H C, Ruby N F. Light induces c‐fos and per1 expression in the suprachiasmatic nucleus of arrhythmic hamsters. Am. J. Physiol. Regul. Integr. Comp Physiol. 2005; 289: R1381–R1386
   Google Scholar
• Deboer T, Tobler I. Running wheel size influences circadian rhythm period and its phase shift in mice. J. Comp. Physiol. A. 2000; 186: 969–973
   PubMed Web of Science ®Google Scholar
• Feoktistova N J, Meshcherskij I G. Function of chemical signals in interspecific relationships of sympatric and allopatric hamster species of the genus Phodopus. (Rodentia: cricetinae). Doklady Akademii Nauk. 2003; 389: 846–849, [in Russian]
   Google Scholar
• Freeman D A, Goldman B D. Evidence that the circadian system mediates photoperiodic nonresponsiveness in Siberian hamsters: The effect of running wheel access on photoperiodic responsiveness. J. Biol. Rhythms 1997; 12: 100–109
   PubMed Web of Science ®Google Scholar
• Hoffmann K, Illnerova H. Photoperiodic effects in the Djungarian hamster. Rate of testicular regression and extension of pineal melatonin pattern depend on the way of change from long to short photoperiods. Neuroendocrinology 1986; 43: 317–321
   PubMedGoogle Scholar
• Kalsbeek A, Perreau‐Lenz S, Buijs R M. A network of (autonomic) clock outputs. Chronobiol. Int. 2006; 23: 521–535
   PubMed Web of Science ®Google Scholar
• Larkin J E, Freeman D A, Zucker I. Low ambient temperature accelerates short‐day responses in Siberian hamsters by altering responsiveness to melatonin. J. Biol. Rhythms 2001; 16: 76–86
   PubMedGoogle Scholar
• Lynch G R, Lynch C B, Kliman R M. Genetic analyses of photoresponsiveness in the Djungarian hamster. Phodopus sungorus. J. Comp. Physiol. [A]. 1989; 164: 475–481
   PubMedGoogle Scholar
• Mrosovsky N. Locomotor activity and non‐photic influences on circadian clocks. Biol. Rev. Camb. Philos. Soc. 1996; 71: 343–372
   PubMed Web of Science ®Google Scholar
• Mrosovsky N. Beyond the suprachiasmatic nucleus. Chronobiol. Int. 2003; 20: 1–8
   PubMed Web of Science ®Google Scholar
• Pittendrigh C S. Circadian systems: Entrainment. Biological Rhythms. Handbook of Behavioral Neurobiology, J Aschoff. Plenum Press, New York 1981; 4: 95–124
   Google Scholar
• Pittendrigh C S, Daan S. A functional analysis of circadian pacemakers in nocturnal rodents: V Pacemaker structure: A clock for all seasons. J. Comp. Physiol. A. 1976; 106: 333–355
   Web of Science ®Google Scholar
• Puchalski W, Lynch G R. Evidence for differences in the circadian organization of hamsters exposed to short day photoperiod. J. Comp. Physiol. [A]. 1986; 159: 7–11
   PubMed Web of Science ®Google Scholar
• Puchalski W, Lynch G R. Characterization of circadian function in Djungarian hamsters insensitive to short day photoperiod. J. Comp. Physiol. [A]. 1988; 162: 309–316
   PubMed Web of Science ®Google Scholar
• Puchalski W, Lynch G R. Circadian characteristics of Djungarian hamsters: Effects of photoperiodic pretreatment and artificial selection. Am. J. Physiol. 1991a; 261: R670–R676
   PubMedGoogle Scholar
• Puchalski W, Lynch G R. Expression of circadian rhythmicity in Djungarian hamsters under constant light: Effects of light intensity and the circadian system's state. J. Comp. Physiol. [A]. 1991b; 169: 185–189
   PubMed Web of Science ®Google Scholar
• Puchalski W, Lynch G R. Photoperiodic time measurement in Djungarian hamsters evaluated from T‐cycle studies. Am. J. Physiol. 1994; 267: R191–R201
   PubMed Web of Science ®Google Scholar
• Puchalski W, Saarela S, Lynch G R. Reentrainment of motor activity and spontaneous neuronal activity in the suprachiasmatic nucleus of Djungarian hamsters. J. Biol. Rhythms 1996; 11: 302–310
   PubMedGoogle Scholar
• Ruby N F, Saran A, Kang T, Franken P, Heller H C. Siberian hamsters free run or become arrhythmic after a phase delay of the photocycle. Am. J. Physiol. 1996; 271: R881–R890
   PubMedGoogle Scholar
• Ruby N F, Joshi N, Heller H C. Phase shift magnitude and direction determine whether Siberian hamsters reentrain to the photocycle. J. Biol. Rhythms 1998; 13: 506–517
   PubMed Web of Science ®Google Scholar
• Ruby N F, Barakat M T, Heller H C. Phenotypic differences in reentrainment behavior and sensitivity to nighttime light pulses in Siberian hamsters. J. Biol. Rhythms 2004; 19: 530–541
   PubMed Web of Science ®Google Scholar
• Ruf T, Stieglitz A, Steinlechner S, Blank J L, Heldmaier G. Cold exposure and food restriction facilitate physiological responses to short photoperiod in Djungarian hamsters (Phodopus sungorus). J. Exp. Zool. 1993; 267: 104–112
   PubMedGoogle Scholar
• Rusak B. The mammalian circadian system: Models and physiology. J. Biol. Rhythms 1989; 4: 121–134
   PubMed Web of Science ®Google Scholar
• Schottner K, Surov A V, Weinert D. Circadian activity rhythms in dwarf hamsters (Phodopus spec.). Mammal. Biol. 2007, submitted
   Google Scholar
• Steinlechner S, Stieglitz A, Ruf T. Djungarian hamsters: A species with a labile circadian pacemaker? Arrhythmicity under a light‐dark cycle induced by short light pulses. J. Biol. Rhythms 2002; 17: 248–258
   PubMed Web of Science ®Google Scholar
• Touitou Y, Smolensky M H, Portaluppi F. Ethics, standards, and procedures of animal and human chronobiology research. Chronobiol. Int. 2006; 23: 1083–1096
   PubMed Web of Science ®Google Scholar
• Weinert D, Kompauerova V. Light‐induced phase and period responses of circadian activity rhythms in laboratory mice of different age. Zoology 1998; 101: 45–52
   Web of Science ®Google Scholar
• Weinert D, Weinert H. The relative zeitgeber strength of lights‐on and lights‐off is changed in old mice. Chronobiol. Int. 2003; 20: 405–416
   PubMed Web of Science ®Google Scholar
• Weinert D, Weiss T. A nonlinear interrelationship between period length and the amount of activity—age‐dependent changes. Biol. Rhythm Res. 1997; 28: 105–120
   Web of Science ®Google Scholar
• Wollnik F, Breit A, Reinke D. Seasonal change in the temporal organization of wheel‐running activity of the European hamster. Cricetus cricetus. Naturwissenschaften 1991; 78: 419–422
   PubMedGoogle Scholar
• Yamada N, Shimoda K, Ohi K, Takahashi S, Takahashi K. Free‐access to a running wheel shortens the period of free‐running rhythm in blinded rats. Physiol. Behav. 1988; 42: 87–91
   PubMed Web of Science ®Google Scholar