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Widely rhythmic transcriptome in Calanus finmarchicus during the high Arctic summer solstice period

Solar light/dark cycles and seasonal photoperiods underpin daily and annual rhythms of life on Earth. Yet, the Arctic is characterized by several months of permanent illumination (“midnight sun”). To determine the persistence of 24h rhythms during the midnight sun, we investigated transcriptomic dyn...

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Autores principales: Payton, Laura, Hüppe, Lukas, Noirot, Céline, Hoede, Claire, Last, Kim S., Wilcockson, David, Ershova, Elizaveta, Valière, Sophie, Meyer, Bettina
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7770977/
https://www.ncbi.nlm.nih.gov/pubmed/33385120
http://dx.doi.org/10.1016/j.isci.2020.101927
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author Payton, Laura
Hüppe, Lukas
Noirot, Céline
Hoede, Claire
Last, Kim S.
Wilcockson, David
Ershova, Elizaveta
Valière, Sophie
Meyer, Bettina
author_facet Payton, Laura
Hüppe, Lukas
Noirot, Céline
Hoede, Claire
Last, Kim S.
Wilcockson, David
Ershova, Elizaveta
Valière, Sophie
Meyer, Bettina
author_sort Payton, Laura
collection PubMed
description Solar light/dark cycles and seasonal photoperiods underpin daily and annual rhythms of life on Earth. Yet, the Arctic is characterized by several months of permanent illumination (“midnight sun”). To determine the persistence of 24h rhythms during the midnight sun, we investigated transcriptomic dynamics in the copepod Calanus finmarchicus during the summer solstice period in the Arctic, with the lowest diel oscillation and the highest altitude of the sun's position. Here we reveal that in these extreme photic conditions, a widely rhythmic daily transcriptome exists, showing that very weak solar cues are sufficient to entrain organisms. Furthermore, at extremely high latitudes and under sea-ice, gene oscillations become re-organized to include <24h rhythms. Environmental synchronization may therefore be modulated to include non-photic signals (i.e. tidal cycles). The ability of zooplankton to be synchronized by extremely weak diel and potentially tidal cycles, may confer an adaptive temporal reorganization of biological processes at high latitudes.
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spelling pubmed-77709772020-12-30 Widely rhythmic transcriptome in Calanus finmarchicus during the high Arctic summer solstice period Payton, Laura Hüppe, Lukas Noirot, Céline Hoede, Claire Last, Kim S. Wilcockson, David Ershova, Elizaveta Valière, Sophie Meyer, Bettina iScience Article Solar light/dark cycles and seasonal photoperiods underpin daily and annual rhythms of life on Earth. Yet, the Arctic is characterized by several months of permanent illumination (“midnight sun”). To determine the persistence of 24h rhythms during the midnight sun, we investigated transcriptomic dynamics in the copepod Calanus finmarchicus during the summer solstice period in the Arctic, with the lowest diel oscillation and the highest altitude of the sun's position. Here we reveal that in these extreme photic conditions, a widely rhythmic daily transcriptome exists, showing that very weak solar cues are sufficient to entrain organisms. Furthermore, at extremely high latitudes and under sea-ice, gene oscillations become re-organized to include <24h rhythms. Environmental synchronization may therefore be modulated to include non-photic signals (i.e. tidal cycles). The ability of zooplankton to be synchronized by extremely weak diel and potentially tidal cycles, may confer an adaptive temporal reorganization of biological processes at high latitudes. Elsevier 2020-12-11 /pmc/articles/PMC7770977/ /pubmed/33385120 http://dx.doi.org/10.1016/j.isci.2020.101927 Text en © 2020 The Author(s) http://creativecommons.org/licenses/by/4.0/ This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Payton, Laura
Hüppe, Lukas
Noirot, Céline
Hoede, Claire
Last, Kim S.
Wilcockson, David
Ershova, Elizaveta
Valière, Sophie
Meyer, Bettina
Widely rhythmic transcriptome in Calanus finmarchicus during the high Arctic summer solstice period
title Widely rhythmic transcriptome in Calanus finmarchicus during the high Arctic summer solstice period
title_full Widely rhythmic transcriptome in Calanus finmarchicus during the high Arctic summer solstice period
title_fullStr Widely rhythmic transcriptome in Calanus finmarchicus during the high Arctic summer solstice period
title_full_unstemmed Widely rhythmic transcriptome in Calanus finmarchicus during the high Arctic summer solstice period
title_short Widely rhythmic transcriptome in Calanus finmarchicus during the high Arctic summer solstice period
title_sort widely rhythmic transcriptome in calanus finmarchicus during the high arctic summer solstice period
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7770977/
https://www.ncbi.nlm.nih.gov/pubmed/33385120
http://dx.doi.org/10.1016/j.isci.2020.101927
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