Acclimation temperature affects thermal reaction norms for energy reserves in Drosophila

Abstract Organisms have evolved various physiological mechanisms to cope with unfavourable environmental conditions. The ability to tolerate non-optimal thermal conditions can be substantially improved by acclimation. In this study, we examined how an early-life acclimation to different temperatures...

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Autores principales: Peter Klepsatel, Thirnahalli Nagaraj Girish, Martina Gáliková
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Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/6a77dfea659846879890ee6dee0c23c9
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spelling oai:doaj.org-article:6a77dfea659846879890ee6dee0c23c92021-12-02T16:18:02ZAcclimation temperature affects thermal reaction norms for energy reserves in Drosophila10.1038/s41598-020-78726-z2045-2322https://doaj.org/article/6a77dfea659846879890ee6dee0c23c92020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78726-zhttps://doaj.org/toc/2045-2322Abstract Organisms have evolved various physiological mechanisms to cope with unfavourable environmental conditions. The ability to tolerate non-optimal thermal conditions can be substantially improved by acclimation. In this study, we examined how an early-life acclimation to different temperatures (19 °C, 25 °C and 29 °C) influences thermal reaction norms for energy stores in Drosophila adults. Our results show that acclimation temperature has a significant effect on the amount of stored fat and glycogen (and their relative changes) and the optimal temperature for their accumulation. Individuals acclimated to 19 °C had, on average, more energy reserves than flies that were initially maintained at 25 °C or 29 °C. In addition, acclimation caused a shift in optimal temperature for energy stores towards acclimation temperature. We also detected significant population differences in this response. The effect of acclimation on the optimal temperature for energy stores was more pronounced in flies from the temperate climate zone (Slovakia) than in individuals from the tropical zone (India). Overall, we found that the acclimation effect was stronger after acclimation to low (19 °C) than to high (29 °C) temperature. The observed sensitivity of thermal reaction norms for energy reserves to acclimation temperature can have important consequences for surviving periods of food scarcity, especially at suboptimal temperatures.Peter KlepsatelThirnahalli Nagaraj GirishMartina GálikováNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-11 (2020)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Peter Klepsatel
Thirnahalli Nagaraj Girish
Martina Gáliková
Acclimation temperature affects thermal reaction norms for energy reserves in Drosophila
description Abstract Organisms have evolved various physiological mechanisms to cope with unfavourable environmental conditions. The ability to tolerate non-optimal thermal conditions can be substantially improved by acclimation. In this study, we examined how an early-life acclimation to different temperatures (19 °C, 25 °C and 29 °C) influences thermal reaction norms for energy stores in Drosophila adults. Our results show that acclimation temperature has a significant effect on the amount of stored fat and glycogen (and their relative changes) and the optimal temperature for their accumulation. Individuals acclimated to 19 °C had, on average, more energy reserves than flies that were initially maintained at 25 °C or 29 °C. In addition, acclimation caused a shift in optimal temperature for energy stores towards acclimation temperature. We also detected significant population differences in this response. The effect of acclimation on the optimal temperature for energy stores was more pronounced in flies from the temperate climate zone (Slovakia) than in individuals from the tropical zone (India). Overall, we found that the acclimation effect was stronger after acclimation to low (19 °C) than to high (29 °C) temperature. The observed sensitivity of thermal reaction norms for energy reserves to acclimation temperature can have important consequences for surviving periods of food scarcity, especially at suboptimal temperatures.
format article
author Peter Klepsatel
Thirnahalli Nagaraj Girish
Martina Gáliková
author_facet Peter Klepsatel
Thirnahalli Nagaraj Girish
Martina Gáliková
author_sort Peter Klepsatel
title Acclimation temperature affects thermal reaction norms for energy reserves in Drosophila
title_short Acclimation temperature affects thermal reaction norms for energy reserves in Drosophila
title_full Acclimation temperature affects thermal reaction norms for energy reserves in Drosophila
title_fullStr Acclimation temperature affects thermal reaction norms for energy reserves in Drosophila
title_full_unstemmed Acclimation temperature affects thermal reaction norms for energy reserves in Drosophila
title_sort acclimation temperature affects thermal reaction norms for energy reserves in drosophila
publisher Nature Portfolio
publishDate 2020
url https://doaj.org/article/6a77dfea659846879890ee6dee0c23c9
work_keys_str_mv AT peterklepsatel acclimationtemperatureaffectsthermalreactionnormsforenergyreservesindrosophila
AT thirnahallinagarajgirish acclimationtemperatureaffectsthermalreactionnormsforenergyreservesindrosophila
AT martinagalikova acclimationtemperatureaffectsthermalreactionnormsforenergyreservesindrosophila
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