Thomas Ruf

Summary

Country: Austria

Publications

  1. doi request reprint Maximum rates of sustained metabolic rate in cold-exposed Djungarian hamsters (Phodopus sungorus): the second wind
    Thomas Ruf
    Research Institute of Wildlife Ecology, University of Veterinary Medicine, Savoyenstrasse 1, 1160 Vienna, Austria
    J Comp Physiol B 180:1089-98. 2010
  2. doi request reprint Effects of polyunsaturated fatty acids on hibernation and torpor: a review and hypothesis
    Thomas Ruf
    Research Institute of Wildlife Ecology, University of Veterinary Medicine, Savoyenstr 1, A 1160 Vienna, Austria
    Am J Physiol Regul Integr Comp Physiol 294:R1044-52. 2008
  3. ncbi request reprint Seasonal adjustment of energy budget in a large wild mammal, the Przewalski horse (Equus ferus przewalskii) II. Energy expenditure
    Walter Arnold
    Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Savoyenstrasse 1, 1160 Vienna, Austria
    J Exp Biol 209:4566-73. 2006
  4. doi request reprint Sex-specific impact of prenatal stress on growth and reproductive parameters of guinea pigs
    Hanna Schöpper
    Department of Integrative Biology and Evolution, Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Austria
    J Comp Physiol B 182:1117-27. 2012
  5. pmc Regulation of heart rate and rumen temperature in red deer: effects of season and food intake
    Christopher Turbill
    Research Institute of Wildlife Ecology, University of Veterinary Medicine Vienna, Savoyenstrasse 1, Vienna, Austria
    J Exp Biol 214:963-70. 2011
  6. pmc Hibernation is associated with increased survival and the evolution of slow life histories among mammals
    Christopher Turbill
    Department of Integrative Biology and Evolution, Research Institute of Wildlife Ecology, University of Veterinary Medicine Vienna, Savoyenstrasse 1, 1160 Vienna, Austria
    Proc Biol Sci 278:3355-63. 2011
  7. pmc Energy turnover in European hares is centrally limited during early, but not during peak lactation
    Teresa G Valencak
    Research Institute of Wildlife Ecology, University of Veterinary Medicine, Savoyenstrasse 1, 1160, Vienna, Austria
    J Comp Physiol B 179:933-43. 2009
  8. pmc Phospholipid composition and longevity: lessons from Ames dwarf mice
    Teresa G Valencak
    Department of Integrative Biology and Evolution, Research Institute of Wildlife Ecology, University of Veterinary Medicine, Savoyenstrasse 1, 1160, Vienna, Austria
    Age (Dordr) 35:2303-13. 2013
  9. doi request reprint Taking the heat: thermoregulation in Asian elephants under different climatic conditions
    Nicole M Weissenböck
    Department of Integrative Biology and Evolution, Research Institute of Wildlife Ecology, University of Veterinary Medicine, Savoyenstraße 1, 1160, Vienna, Austria
    J Comp Physiol B 182:311-9. 2012
  10. pmc Running speed in mammals increases with muscle n-6 polyunsaturated fatty acid content
    Thomas Ruf
    Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Austria
    PLoS ONE 1:e65. 2006

Detail Information

Publications24

  1. doi request reprint Maximum rates of sustained metabolic rate in cold-exposed Djungarian hamsters (Phodopus sungorus): the second wind
    Thomas Ruf
    Research Institute of Wildlife Ecology, University of Veterinary Medicine, Savoyenstrasse 1, 1160 Vienna, Austria
    J Comp Physiol B 180:1089-98. 2010
    ..e., peripheral limits) but are due to central limitation of energy intake...
  2. doi request reprint Effects of polyunsaturated fatty acids on hibernation and torpor: a review and hypothesis
    Thomas Ruf
    Research Institute of Wildlife Ecology, University of Veterinary Medicine, Savoyenstr 1, A 1160 Vienna, Austria
    Am J Physiol Regul Integr Comp Physiol 294:R1044-52. 2008
    ..Therefore, at least for herbivorous hibernators, such as marmots, linoleic acid (C18:2 n-6)--the dietary source of all n-6 PUFAs--appears to represent a crucial and limited resource in natural environments...
  3. ncbi request reprint Seasonal adjustment of energy budget in a large wild mammal, the Przewalski horse (Equus ferus przewalskii) II. Energy expenditure
    Walter Arnold
    Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Savoyenstrasse 1, 1160 Vienna, Austria
    J Exp Biol 209:4566-73. 2006
    ..The observed phase relations of seasonal changes indicate that energy expenditure was not a consequence of energy uptake but is under endogenous control, preparing the organism well in advance of seasonal energetic demands...
  4. doi request reprint Sex-specific impact of prenatal stress on growth and reproductive parameters of guinea pigs
    Hanna Schöpper
    Department of Integrative Biology and Evolution, Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Austria
    J Comp Physiol B 182:1117-27. 2012
    ..Levels of testosterone did not differ between groups. We conclude that prenatal stress accelerates growth and maturity in females, but not in males...
  5. pmc Regulation of heart rate and rumen temperature in red deer: effects of season and food intake
    Christopher Turbill
    Research Institute of Wildlife Ecology, University of Veterinary Medicine Vienna, Savoyenstrasse 1, Vienna, Austria
    J Exp Biol 214:963-70. 2011
    ....
  6. pmc Hibernation is associated with increased survival and the evolution of slow life histories among mammals
    Christopher Turbill
    Department of Integrative Biology and Evolution, Research Institute of Wildlife Ecology, University of Veterinary Medicine Vienna, Savoyenstrasse 1, 1160 Vienna, Austria
    Proc Biol Sci 278:3355-63. 2011
    ....
  7. pmc Energy turnover in European hares is centrally limited during early, but not during peak lactation
    Teresa G Valencak
    Research Institute of Wildlife Ecology, University of Veterinary Medicine, Savoyenstrasse 1, 1160, Vienna, Austria
    J Comp Physiol B 179:933-43. 2009
    ..We conclude that extreme MEI may have fitness costs, and that females maximize lifetime reproductive success by actively down-regulating MEI whenever possible...
  8. pmc Phospholipid composition and longevity: lessons from Ames dwarf mice
    Teresa G Valencak
    Department of Integrative Biology and Evolution, Research Institute of Wildlife Ecology, University of Veterinary Medicine, Savoyenstrasse 1, 1160, Vienna, Austria
    Age (Dordr) 35:2303-13. 2013
    ..In sum, membrane composition in the Ames dwarf mouse supports the concept that tissue FA composition is related to longevity...
  9. doi request reprint Taking the heat: thermoregulation in Asian elephants under different climatic conditions
    Nicole M Weissenböck
    Department of Integrative Biology and Evolution, Research Institute of Wildlife Ecology, University of Veterinary Medicine, Savoyenstraße 1, 1160, Vienna, Austria
    J Comp Physiol B 182:311-9. 2012
    ..We conclude that these responses show all characteristics of heterothermy, and that this thermoregulatory strategy is not restricted to desert mammals, but is also employed by Asian elephants...
  10. pmc Running speed in mammals increases with muscle n-6 polyunsaturated fatty acid content
    Thomas Ruf
    Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Austria
    PLoS ONE 1:e65. 2006
    ..This finding suggests that muscle fatty acid composition directly affects a highly fitness-relevant trait, which may be decisive for the ability of animals to escape from predators or catch prey...
  11. pmc Daily torpor is associated with telomere length change over winter in Djungarian hamsters
    Christopher Turbill
    Department of Integrative Biology and Ecology, Research Institute for Wildlife Ecology, University of Veterinary Medicine, Vienna 1160, Austria
    Biol Lett 8:304-7. 2012
    ..Our results therefore support the hypothesis that daily torpor is associated with physiological changes that increase somatic maintenance and slow the processes of ageing...
  12. doi request reprint Effects of prenatal stress on hypothalamic-pituitary-adrenal (HPA) axis function over two generations of guinea pigs (Cavia aperea f. porcellus)
    Hanna Schöpper
    Department of Integrative Biology and Evolution, Research Institute of Wildlife Ecology, University of Veterinary Medicine, Savoyenstrasse 1, 1160 Vienna, Austria
    Gen Comp Endocrinol 176:18-27. 2012
    ..Also in males of F2 generation effects of stress exposure of F0 dams were detected...
  13. pmc Diet-independent remodeling of cellular membranes precedes seasonally changing body temperature in a hibernator
    Walter Arnold
    Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Austria
    PLoS ONE 6:e18641. 2011
    ....
  14. pmc Membrane phospholipid fatty acid composition regulates cardiac SERCA activity in a hibernator, the Syrian hamster (Mesocricetus auratus)
    Sylvain Giroud
    Research Institute of Wildlife Ecology, Department of Integrative Biology and Evolution, University of Veterinary Medicine, Vienna, Austria
    PLoS ONE 8:e63111. 2013
    ..We conclude that the PUFA composition of SR membranes affects cardiac function via modulating SERCA activity, and hence determines the minimum T(b) tolerated by hibernators...
  15. doi request reprint High survival during hibernation affects onset and timing of reproduction
    Claudia Bieber
    Department of Integrative Biology and Evolution, University of Veterinary Medicine Vienna, Vienna, Austria
    Oecologia 169:155-66. 2012
    ....
  16. pmc Feeding into old age: long-term effects of dietary fatty acid supplementation on tissue composition and life span in mice
    Teresa G Valencak
    Research Institute of Wildlife Ecology, University of Veterinary Medicine, Savoyenstrasse 1, 1160, Vienna, Austria
    J Comp Physiol B 181:289-98. 2011
    ..However, we were able to observe a positive correlation between monounsaturated fatty acids in cardiac muscle and life span...
  17. pmc Energy or information? The role of seed availability for reproductive decisions in edible dormice
    Karin Lebl
    Research Institute of Wildlife Ecology, University of Veterinary Medicine Vienna, Savoyenstrasse 1, 1160, Vienna, Austria
    J Comp Physiol B 180:447-56. 2010
    ....
  18. doi request reprint Summer dormancy in edible dormice (Glis glis) without energetic constraints
    Claudia Bieber
    Research Institute of Wildlife Ecology, University of Veterinary Medicine Vienna, Savoyenstrasse 1, 1160, Vienna, Austria
    Naturwissenschaften 96:165-71. 2009
    ..This unique predator-avoidance strategy clearly helps in explaining the unusually high longevity of dormice...
  19. ncbi request reprint Seasonal adjustment of energy budget in a large wild mammal, the Przewalski horse (Equus ferus przewalskii) I. Energy intake
    Regina Kuntz
    Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Savoyenstrasse 1, 1160 Vienna, Austria
    J Exp Biol 209:4557-65. 2006
    ..Nevertheless, changes in gut passage time occurred rather independently of changes in forage composition and DMI, suggesting endogenous control for timely adaption of the digestive strategy to meet predictable changes in forage quality...
  20. doi request reprint Chronic stress in pregnant guinea pigs (Cavia aperea f. porcellus) attenuates long-term stress hormone levels and body weight gain, but not reproductive output
    Hanna Schöpper
    Department of Integrative Biology and Evolution, Research Institute of Wildlife Ecology, University of Veterinary Medicine, Savoyenstrasse 1, 1160, Vienna, Austria
    J Comp Physiol B 181:1089-100. 2011
    ....
  21. pmc Senescence is more important in the natural lives of long- than short-lived mammals
    Christopher Turbill
    Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Austria
    PLoS ONE 5:e12019. 2010
    ..We re-address this question by comparing the mean and maximum life span of 125 mammal species. Specifically, we test the hypothesis that senescence occurs at a younger age relative to the mean natural life span in longer lived species...
  22. ncbi request reprint N-3 polyunsaturated fatty acids impair lifespan but have no role for metabolism
    Teresa G Valencak
    Research Institute of Wildlife Ecology, University of Veterinary Medicine, Savoyenstrasse 1, A 1160 Vienna, Austria
    Aging Cell 6:15-25. 2007
    ..These results contradict the 'membrane pacemaker theory of aging', that is, the concept of a direct link between high amounts of membrane PUFAs, elevated BMR, and thus, impaired longevity...
  23. ncbi request reprint Nocturnal hypometabolism as an overwintering strategy of red deer (Cervus elaphus)
    Walter Arnold
    Research Institute of Wildlife Ecology, Univ of Veterinary Medicine, A 1160 Vienna, Austria
    Am J Physiol Regul Integr Comp Physiol 286:R174-81. 2004
    ..Whether the temperature of all tissues is affected, or the body shell only, may simply be a result of the duration and degree of hypometabolism and its interaction with body size-dependent heat loss...
  24. doi request reprint Estrous synchrony in a group of African elephants (Loxodonta africana) under human care
    Nicole M Weissenböck
    Research Institute of Wildlife Ecology, University of Veterinary Medicine Vienna, Savoyenstrasse 1, Vienna 1160, Austria
    Anim Reprod Sci 113:322-7. 2009
    ..009). This finding represents the first evidence for estrous synchrony between elephants. We discuss various hypotheses to explain the biological function of cycle synchrony in elephants...