Shifts in metabolic fuel use coincide with maximal rates of ventilation and body surface rewarming in an arousing hibernator.
C breath testing
hibernation
interbout arousal
metabolic fuel
torpor
Journal
American journal of physiology. Regulatory, integrative and comparative physiology
ISSN: 1522-1490
Titre abrégé: Am J Physiol Regul Integr Comp Physiol
Pays: United States
ID NLM: 100901230
Informations de publication
Date de publication:
01 06 2019
01 06 2019
Historique:
pubmed:
11
4
2019
medline:
20
2
2020
entrez:
11
4
2019
Statut:
ppublish
Résumé
It is well established that hibernating mammals rely predominantly on lipid stores to fuel metabolism throughout the hibernation season. However, it is unclear if other endogenous fuels contribute to the rapid, ~400-fold increase in metabolic rate during the early phase of arousal from torpor. To investigate this issue, we used cavity ring-down spectroscopy, a technique that provides a real-time indication of fuel use by measuring the ratio of
Identifiants
pubmed: 30969844
doi: 10.1152/ajpregu.00379.2018
pmc: PMC6620648
doi:
Substances chimiques
Biomarkers
0
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
R764-R775Subventions
Organisme : NIGMS NIH HHS
ID : T32 GM008349
Pays : United States
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