Thyroid Hormones Correlate with Basal Metabolic Rate but Not Field Metabolic Rate in a Wild Bird Species

Jorg Welcker*, Olivier Chastel, Geir W. Gabrielsen, Jerome Guillaumin, Alexander S. Kitaysky, John R. Speakman, Yann Tremblay, Claus Bech

*Corresponding author for this work

Research output: Contribution to journalArticle

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Abstract

Thyroid hormones (TH) are known to stimulate in vitro oxygen consumption of tissues in mammals and birds. Hence, in many laboratory studies a positive relationship between TH concentrations and basal metabolic rate (BMR) has been demonstrated whereas evidence from species in the wild is scarce. Even though basal and field metabolic rates (FMR) are often thought to be intrinsically linked it is still unknown whether a relationship between TH and FMR exists. Here we determine the relationship between the primary thyroid hormone triiodothyronine (T3) with both BMR and FMR in a wild bird species, the black-legged kittiwake (Rissa tridactyla). As predicted we found a strong and positive relationship between plasma concentrations of T3 and both BMR and mass-independent BMR with coefficients of determination ranging from 0.36 to 0.60. In contrast there was no association of T3 levels with either whole-body or mass-independent FMR (R2 = 0.06 and 0.02, respectively). In accordance with in vitro studies our data suggests that TH play an important role in modulating BMR and may serve as a proxy for basal metabolism in wild birds. However, the lack of a relationship between TH and FMR indicates that levels of physical activity in kittiwakes are largely independent of TH concentrations and support recent studies that cast doubt on a direct linkage between BMR and FMR.

Original languageEnglish
Article numbere56229
Pages (from-to)1-8
Number of pages8
JournalPloS ONE
Volume8
Issue number2
DOIs
Publication statusPublished - 20 Feb 2013

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Basal Metabolism
basal metabolic rate
Birds
wild birds
thyroid hormones
Thyroid Hormones
triiodothyronine
Triiodothyronine
basal metabolism
Rissa
Mammals
Metabolism
physical activity
in vitro studies
Proxy
oxygen consumption
Oxygen Consumption
mammals
Tissue
Oxygen

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Welcker, J., Chastel, O., Gabrielsen, G. W., Guillaumin, J., Kitaysky, A. S., Speakman, J. R., ... Bech, C. (2013). Thyroid Hormones Correlate with Basal Metabolic Rate but Not Field Metabolic Rate in a Wild Bird Species. PloS ONE, 8(2), 1-8. [e56229]. https://doi.org/10.1371/journal.pone.0056229

Thyroid Hormones Correlate with Basal Metabolic Rate but Not Field Metabolic Rate in a Wild Bird Species. / Welcker, Jorg; Chastel, Olivier; Gabrielsen, Geir W.; Guillaumin, Jerome; Kitaysky, Alexander S.; Speakman, John R.; Tremblay, Yann; Bech, Claus.

In: PloS ONE, Vol. 8, No. 2, e56229, 20.02.2013, p. 1-8.

Research output: Contribution to journalArticle

Welcker, J, Chastel, O, Gabrielsen, GW, Guillaumin, J, Kitaysky, AS, Speakman, JR, Tremblay, Y & Bech, C 2013, 'Thyroid Hormones Correlate with Basal Metabolic Rate but Not Field Metabolic Rate in a Wild Bird Species', PloS ONE, vol. 8, no. 2, e56229, pp. 1-8. https://doi.org/10.1371/journal.pone.0056229
Welcker, Jorg ; Chastel, Olivier ; Gabrielsen, Geir W. ; Guillaumin, Jerome ; Kitaysky, Alexander S. ; Speakman, John R. ; Tremblay, Yann ; Bech, Claus. / Thyroid Hormones Correlate with Basal Metabolic Rate but Not Field Metabolic Rate in a Wild Bird Species. In: PloS ONE. 2013 ; Vol. 8, No. 2. pp. 1-8.
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