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@article{2333497,
author = {Bachorec, Erik and Pikula, Jiri and Seidlova, Veronika and Zukalova, Katerina and Zukal, Jan},
article_location = {BRNO},
article_number = {23036},
doi = {http://dx.doi.org/10.25225/jvb.23036},
keywords = {energy reserves; fatty acids; PUFA; MUFA; SFA},
language = {eng},
issn = {2694-7684},
journal = {Journal of Vertebrate Biology},
title = {Hibernation strategy - related profound differences in the whole-body fat composition of bats},
url = {https://doi.org/10.25225/jvb.23036},
volume = {72},
year = {2023}
}
TY - JOUR
ID - 2333497
AU - Bachorec, Erik - Pikula, Jiri - Seidlova, Veronika - Zukalova, Katerina - Zukal, Jan
PY - 2023
TI - Hibernation strategy - related profound differences in the whole-body fat composition of bats
JF - Journal of Vertebrate Biology
VL - 72
IS - 23036
SP - 1-9
EP - 1-9
PB - Institute of Vertebrate Biology, Czech Academy of Sciences
SN - 26947684
KW - energy reserves
KW - fatty acids
KW - PUFA
KW - MUFA
KW - SFA
UR - https://doi.org/10.25225/jvb.23036
N2 - Bats can use a wide range of roosts as hibernacula, resulting in diverse hibernation strategies. The ecological needs of a species during hibernation translate into particular torpor-arousal patterns and physiological demands. For mammalian hibernators, the oxidation of fatty acids from triacylglycerols stored in white and brown adipocytes provides the main energy to fuel hibernation. The relative content of saturated, monounsaturated, and polyunsaturated fatty acids in body fat brings multifarious costs and benefits, and their importance during hibernation is likely changing. While considering the level of fatty acid saturation and their properties, we hypothesised that whole-body fat composition varies between bat species (Nyctalus noctula, Myotis myotis) that employ different hibernation strategies. Therefore, the focus of this study was to determine the relative fatty acid composition of the whole-body fat of these species. We found evidence that the body fat of N. noctula has a higher relative content of MUFAs than M. myotis, which, on the other hand, has high SFAs and PUFAs. Such profound differences in fatty acid profiles suggest that the studied species' distinct hibernation strategies and torpor-arousal patterns are reflected in functional differences.
ER -
BACHOREC, Erik, Jiri PIKULA, Veronika SEIDLOVA, Katerina ZUKALOVA a Jan ZUKAL. Hibernation strategy - related profound differences in the whole-body fat composition of bats. \textit{Journal of Vertebrate Biology}. BRNO: Institute of Vertebrate Biology, Czech Academy of Sciences, 2023, roč.~72, č.~23036, s.~1-9. ISSN~2694-7684. Dostupné z: https://dx.doi.org/10.25225/jvb.23036.
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