Modulation of physiological performance by temperature and salinity in the sugar kelp Saccharina latissima
International audience The sugar kelp Saccharina latissima experiences a wide range of environmental conditions along its geographical and vertical distribution range. Temperature and salinity are two critical drivers influencing growth, photosynthesis and biochemical composition. Moreover, interact...
Published in: | Phycological Research |
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Main Authors: | , , , , , , |
Other Authors: | , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
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HAL CCSD
2020
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Online Access: | https://hal.sorbonne-universite.fr/hal-03011654 https://hal.sorbonne-universite.fr/hal-03011654/document https://hal.sorbonne-universite.fr/hal-03011654/file/pre.12443.pdf https://doi.org/10.1111/pre.12443 |
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Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
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language |
English |
topic |
[SDV]Life Sciences [q-bio] |
spellingShingle |
[SDV]Life Sciences [q-bio] Monteiro, Cátia Li, Huiru Diehl, Nora Collén, Jonas Heinrich, Sandra Bischof, Kai Bartsch, Inka Modulation of physiological performance by temperature and salinity in the sugar kelp Saccharina latissima |
topic_facet |
[SDV]Life Sciences [q-bio] |
description |
International audience The sugar kelp Saccharina latissima experiences a wide range of environmental conditions along its geographical and vertical distribution range. Temperature and salinity are two critical drivers influencing growth, photosynthesis and biochemical composition. Moreover, interactive effects might modify the results described for single effects. In shallow water coastal systems, exposure to rising temperatures and low salinity are expected as consequence of global warming, increased precipitation and coastal run‐off. To understand the acclimation mechanisms of S. latissima to changes in temperature and salinity and their interactions, we performed a mechanistic laboratory experiment in which juvenile sporophytes from Brittany, France were exposed to a combination of three temperatures (0, 8 and 15°C) and two salinity levels (20 and 30 psu (practical salinity units)). After a temperature acclimation of 7 days, sporophytes were exposed to low salinity (20 psu) for a period of 11 days. Growth, and maximal quantum yield of photosystem II (Fv/Fm), pigments, mannitol content and C:N ratio were measured over time. We report for the first time in S. latissima a fivefold increase in the osmolyte mannitol in response to low temperature (0°C) compared to 8 and 15°C that may have ecological and economic implications. Low temperatures significantly affected all parameters, mostly in a negative way. Chlorophyll a, the accessory pigment pool, growth and Fv/Fm were significantly lower at 0°C, while the de‐epoxidation state of the xanthophyll cycle was increased at both 0 and 8°C compared to 15°C. Mannitol content and growth decreased with decreased salinity; in contrast, pigment content and Fv/Fm were to a large extent irresponsive to salinity. In comparison to S. latissima originating from an Arctic population, despite some reported differences, this study reveals a remarkably similar impact of temperature and salinity variation, reflecting the large degree of adaptability in this species. |
author2 |
University of Bremen ABiMS - Informatique et bioinformatique = Analysis and Bioinformatics for Marine Science (FR2424) Station biologique de Roscoff (SBR) Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de Biologie Intégrative des Modèles Marins (LBI2M) Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Station biologique de Roscoff (SBR) Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) Ocean University of China (OUC) University of Hamburg Alfred Wegener Institute Potsdam Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung (AWI) |
format |
Article in Journal/Newspaper |
author |
Monteiro, Cátia Li, Huiru Diehl, Nora Collén, Jonas Heinrich, Sandra Bischof, Kai Bartsch, Inka |
author_facet |
Monteiro, Cátia Li, Huiru Diehl, Nora Collén, Jonas Heinrich, Sandra Bischof, Kai Bartsch, Inka |
author_sort |
Monteiro, Cátia |
title |
Modulation of physiological performance by temperature and salinity in the sugar kelp Saccharina latissima |
title_short |
Modulation of physiological performance by temperature and salinity in the sugar kelp Saccharina latissima |
title_full |
Modulation of physiological performance by temperature and salinity in the sugar kelp Saccharina latissima |
title_fullStr |
Modulation of physiological performance by temperature and salinity in the sugar kelp Saccharina latissima |
title_full_unstemmed |
Modulation of physiological performance by temperature and salinity in the sugar kelp Saccharina latissima |
title_sort |
modulation of physiological performance by temperature and salinity in the sugar kelp saccharina latissima |
publisher |
HAL CCSD |
publishDate |
2020 |
url |
https://hal.sorbonne-universite.fr/hal-03011654 https://hal.sorbonne-universite.fr/hal-03011654/document https://hal.sorbonne-universite.fr/hal-03011654/file/pre.12443.pdf https://doi.org/10.1111/pre.12443 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Arctic Population Global warming |
genre_facet |
Arctic Arctic Population Global warming |
op_source |
ISSN: 1322-0829 EISSN: 1440-1835 Phycological Research https://hal.sorbonne-universite.fr/hal-03011654 Phycological Research, Wiley, 2020, ⟨10.1111/pre.12443⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1111/pre.12443 hal-03011654 https://hal.sorbonne-universite.fr/hal-03011654 https://hal.sorbonne-universite.fr/hal-03011654/document https://hal.sorbonne-universite.fr/hal-03011654/file/pre.12443.pdf doi:10.1111/pre.12443 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1111/pre.12443 |
container_title |
Phycological Research |
container_volume |
69 |
container_issue |
1 |
container_start_page |
48 |
op_container_end_page |
57 |
_version_ |
1766346427553808384 |
spelling |
ftccsdartic:oai:HAL:hal-03011654v1 2023-05-15T15:16:07+02:00 Modulation of physiological performance by temperature and salinity in the sugar kelp Saccharina latissima Monteiro, Cátia Li, Huiru Diehl, Nora Collén, Jonas Heinrich, Sandra Bischof, Kai Bartsch, Inka University of Bremen ABiMS - Informatique et bioinformatique = Analysis and Bioinformatics for Marine Science (FR2424) Station biologique de Roscoff (SBR) Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de Biologie Intégrative des Modèles Marins (LBI2M) Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Station biologique de Roscoff (SBR) Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) Ocean University of China (OUC) University of Hamburg Alfred Wegener Institute Potsdam Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung (AWI) 2020-10-27 https://hal.sorbonne-universite.fr/hal-03011654 https://hal.sorbonne-universite.fr/hal-03011654/document https://hal.sorbonne-universite.fr/hal-03011654/file/pre.12443.pdf https://doi.org/10.1111/pre.12443 en eng HAL CCSD Wiley info:eu-repo/semantics/altIdentifier/doi/10.1111/pre.12443 hal-03011654 https://hal.sorbonne-universite.fr/hal-03011654 https://hal.sorbonne-universite.fr/hal-03011654/document https://hal.sorbonne-universite.fr/hal-03011654/file/pre.12443.pdf doi:10.1111/pre.12443 info:eu-repo/semantics/OpenAccess ISSN: 1322-0829 EISSN: 1440-1835 Phycological Research https://hal.sorbonne-universite.fr/hal-03011654 Phycological Research, Wiley, 2020, ⟨10.1111/pre.12443⟩ [SDV]Life Sciences [q-bio] info:eu-repo/semantics/article Journal articles 2020 ftccsdartic https://doi.org/10.1111/pre.12443 2021-12-05T00:54:48Z International audience The sugar kelp Saccharina latissima experiences a wide range of environmental conditions along its geographical and vertical distribution range. Temperature and salinity are two critical drivers influencing growth, photosynthesis and biochemical composition. Moreover, interactive effects might modify the results described for single effects. In shallow water coastal systems, exposure to rising temperatures and low salinity are expected as consequence of global warming, increased precipitation and coastal run‐off. To understand the acclimation mechanisms of S. latissima to changes in temperature and salinity and their interactions, we performed a mechanistic laboratory experiment in which juvenile sporophytes from Brittany, France were exposed to a combination of three temperatures (0, 8 and 15°C) and two salinity levels (20 and 30 psu (practical salinity units)). After a temperature acclimation of 7 days, sporophytes were exposed to low salinity (20 psu) for a period of 11 days. Growth, and maximal quantum yield of photosystem II (Fv/Fm), pigments, mannitol content and C:N ratio were measured over time. We report for the first time in S. latissima a fivefold increase in the osmolyte mannitol in response to low temperature (0°C) compared to 8 and 15°C that may have ecological and economic implications. Low temperatures significantly affected all parameters, mostly in a negative way. Chlorophyll a, the accessory pigment pool, growth and Fv/Fm were significantly lower at 0°C, while the de‐epoxidation state of the xanthophyll cycle was increased at both 0 and 8°C compared to 15°C. Mannitol content and growth decreased with decreased salinity; in contrast, pigment content and Fv/Fm were to a large extent irresponsive to salinity. In comparison to S. latissima originating from an Arctic population, despite some reported differences, this study reveals a remarkably similar impact of temperature and salinity variation, reflecting the large degree of adaptability in this species. Article in Journal/Newspaper Arctic Arctic Population Global warming Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Arctic Phycological Research 69 1 48 57 |