Arousal from torpor in the chilean mouse-opposum (Thylamys elegans): Does non-shivering thermogenesis play a role?

Comparative Biochemistry and Physiology - A Molecular and Integrative Physiology

Volumn 123, Issue 4, 1999, Pages 393-397

  Opazo, Juan C ^a   Nespolo, Roberto F ^a   Bozinovic, Francisco ^a  

^a PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE   (Chile)

Author keywords

Central Chile; Marsupial; Metabolic cost; Rewarming rate; Thermal acclimation; Thermoregulation; Thylamys elegans; Torpor arousal

Indexed keywords

NORADRENALIN;

ACCLIMATIZATION; ANIMAL EXPERIMENT; ARTICLE; BODY MASS; CHILE; DRUG EFFECT; INTRAMUSCULAR DRUG ADMINISTRATION; MARSUPIAL; METABOLIC BALANCE; NONHUMAN; OXYGEN CONSUMPTION; THERMOGENESIS; THERMOREGULATION;

THYLAMYS ELEGANS;

EID: 0032830938     PISSN: 10956433     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1095-6433(99)00081-1     Document Type: Article

References (43)

1. Blumberg M.S., Sokoloff G. Dynamics of brown fat thermogenesis in week-old rats: evidence of relative stability during moderate cold exposure. Physiol. Zool. 70:1997;324-330.
2. Böckler H., Steinlechner S.T., Heldmaier G. Complete cold substitution of noradrenaline-induced thermogenesis in Djungarian hamster, Phodopus sungorus. Experientia. 38:1982;261-262.
3. Cannon B., Nedergaard J. The biochemistry of an inefficient tissue: brown adipose tissue. Essays Biochem. 20:1985;111-164.
4. Cranford J.A. Body temperature, heart rate and oxygen consumption of normothermic and heterothermic western jumping mice (Zapus princeps). Comp. Biochem. Physiol. 74A:1983;595-599.
5. Dawson T.J., Olson J.M. Thermogenic capabilities of the opossum Monodelphis domestica when warm and cold-acclimated: similarities between American and Australian marsupials. Comp. Biochem. Physiol. 89A:1988;85-91.
6. Fons R., Sender S., Peters T., Jurgens K.D. Rates of rewarming, heart and respiratory rates and their significance for oxygen transport during arousal from torpor in the smallest mammal, the etruscan shrew Suncus etruscus. J. Exp. Biol. 200:1997;1451-1458.
7. Gaertner R.A., Hart J.S., Roy O.Z. Seasonal spontaneous torpor in the white-footed mouse Peromyscus leucopus. Comp. Biochem. Physiol. 45A:1973;169-181.
8. Geiser F. Hibernation and daily torpor in two pygmy possums (Cercartetus spp., Marsupialia). Physiol. Zool. 60:1987;93-102.
9. Geiser F. Hibernation and daily torpor in marsupials: a review. Aust. J. Zool. 42:1994;1-16.
10. Geiser F., Baudinette R.V. The relationship between body mass and rate of rewarming from hibernation and daily torpor in mammals. J. Exp. Biol. 151:1990;349-359.
11. Geiser F., Baudinette R.V., McMurchie E.J. Seasonal changes in the critical arousal temperature of the marsupial Sminthopsis crassicaudata correlate with the thermal transition in mitochondrial respiration. Experientia. 42:1986;543-547.
12. Gemmel R.T., Cepon G. The development of thermoregulation in the marsupial brushtail possum Trichosurus vulpecula. Comp. Biochem. Physiol. 106A:1993;167-173.
13. Haim A. Food and energy intake non-shivering thermogenesis and daily rhythm of body temperature in the bushy-tailed gerbil Sekeetamys calurus: the role of photoperiod manipulations. J. Therm. Biol. 21:1996;37-42.
14. Heinrich B., Bartholomew G.A. An analysis of pre-flight warm up in the sphinx moth, Manduca sexta. J. Exp. Biol. 55:1971;223-239.
15. Heldmaier G. Rewarming rates from torpor in mammals and birds. J. Therm. Biol. 3:100-101.
16. Heldmaier G. Seasonal acclimatization of small mammals. Verh. Dtsch. Zool. Ges. 86:1993;67-77.
17. Himms-Hagen J. Brown adipose tissue thermogenesis: interdiciplinary studies. FASEB. 4:1990;2890-2898.
18. Hirshfeld J.R., O'Farrell M.J. Comparisons of differential warming rates and tissue temperatures in some species of desert bats. Comp. Biochem. Physiol. 55A:1976;83-87.
19. Holloway J.C., Geiser F. Influence of torpor on daily energy expenditure of the dasyurid marsupial Sminthopsis crassicaudata. Comp. Biochem. Physiol. 112A:1995;59-66.
20. Holloway J.C., Geiser F. Effect of photoperiod on torpor and activity of Sminthopsis crassicaudata (Marsupialia). Geiser F., Hulbert A.J., Nicol S.C. Adaptation to the Cold: Tenth International Hibernation Symposium. 1996;University of New England Press, Armidale.
21. Hope P.J., Pyle D., Daniels C.B., Chapman I., Horowitz M., Morley J.E., Trayhurn P., Kumaratilake J., Wittert G. Identification of brown fat and mechanisms for energy balance in the marsupial, Sminthopsis crassicaudata. Am. J. Physiol. 273:1997;R161-R167.
22. Jansky L. Non-shivering thermogenesis and its thermoregulatory significance. Biol. Rev. 48:1973;85-132.
23. Johansen K. Distribution of blood in the arousing hibernator. Acta Physiol. Scand. 52:1961;379-386.
24. Johansen K., Krog J. Diurnal body temperature variations and hibernation in the birchmouse, Sicista betulina. Am. J. Physiol. 196:1959;1200-1204.
25. Loudon A, Rothwell N., Stock M. Brown fat, thermogenesis and physiological birth in a marsupial. Comp. Biochem. Physiol. 81A:1985;815-819.
26. Lyman C.P. The oxygen consumption and temperature regulation of hibernating hamsters. J. Exp. Zool. 109:1948;55-78.
27. Lyman C.P., Willis J.S., Malan A., Wang L.C.H. Hibernation and Torpor in Mammals and Birds. 1982;Academic Press, New York.
28. Lyman C.P., Chatfield P.O. Mechanisms of arousal in the hibernating hamster. J. Exp. Zool. 114:1950;491-516.
29. Lovegrove B.G., Körtner G., Geiser F. The energetic cost of arousal from torpor in the marsupial Sminthopsis macroura: benefits of summer ambient temperature cycles. J. Comp. Physiol. B. 169:1999;11-18.
30. Mann G. Los pequeños mamíferos de Chile. Gayana Zool. 40:1978;11-38.
31. Morhardt J.E. Body temperatures of white-footed mice (Peromyscus ssp.) during daily torpor. Comp. Biochem. Physiol. 33A:1970;423-439.
32. Nespolo RF, Opazo JC, Rosenmann M, Bozinovic F. Thermal acclimation, maximum metabolic rate and nonshivering thermogenesis in Phyllotis xanthopygus (Rodentia) inhabiting the andean range. J. Mamm. 1999; 80 (in press).
33. Nicol S.C. Non-shivering thermogenesis in the potoroo, Potorous tridactylus (Kerr). Comp. Biochem. Physiol. 59C:1978;33-37.
34. Nicol S.C., Pavlides D., Andersen N.A. Nonshivering thermogenesis in marsupials: absence of thermogenic response to α3-adrenergic agonist. Comp. Biochem. Physiol. 117A:1997;399-405.
35. Palma R.E. Thylamys elegans. Mammalian Species. 572:1997;1-4.
36. Rowlat U., Mrosovsky N., English A. A comparative survey of brown fat in the neck and axilla of mammals at birth. Biol. Neonate. 17:1971;1753-1783.
37. Saltin B., Rowell L.B. Functional adaptations to physical activity and inactivity. FASEB. 6:1980;1506-1512.
38. Statistica release 5 (Quick Reference) for the Windows 95 operating system. Third Edition. StatSoft, Inc., Tulsa, Oklahoma;1997.
39. Stone G.N., Purvis A. Warm-up during arousal from torpor in heterothermic mammals: physiological correlates and a comparison with heterothermic insects. J. Comp. Physiol. 162B:1992;284-295.
40. Voet D., Voet J. Biochemistry. 1995;Wiley, New York.
41. Wallis R.L. Torpor in the dasyurid marsupial Antechinus stuartii. Comp. Biochem. Physiol. 53A:1976;319-322.
42. 2, and evaporative water loss with a flow through mask. J. Appl. Physiol. 42:1977;120-123.
43. Wunder B.A., Gettinger R.D. Effects of body mass and nonshivering thermogenic response of small mammals. Geiser F., Hulbert A.J., Nicol S.C. Adaptation to the Cold: Tenth International Hibernation Symposium. 1996;University of New England Press, Armidale.