Fatty acids in microalgae and cyanobacteria in a changing world : contrasting temperate and cold environments
Under the present changing climate conditions and the observed temperature increase, it is of high importance to understand its effects on aquatic microbial life, and organisms' adaptations at the biochemical level. To adjust to temperature or salinity stress and avoid cell damage, organisms al...
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ftunivgent:oai:archive.ugent.be:8729080 2023-06-11T04:06:00+02:00 Fatty acids in microalgae and cyanobacteria in a changing world : contrasting temperate and cold environments Hernando, Marcelo P. Schloss, Irene R. de la Rosa, Florencia De Troch, Marleen 2022 application/pdf https://biblio.ugent.be/publication/8729080 http://hdl.handle.net/1854/LU-8729080 https://doi.org/10.32604/biocell.2022.017309 https://biblio.ugent.be/publication/8729080/file/8729083 eng eng https://biblio.ugent.be/publication/8729080 http://hdl.handle.net/1854/LU-8729080 http://dx.doi.org/10.32604/biocell.2022.017309 https://biblio.ugent.be/publication/8729080/file/8729083 Creative Commons Attribution 4.0 International Public License (CC-BY 4.0) info:eu-repo/semantics/openAccess BIOCELL ISSN: 0327-9545 ISSN: 1667-5746 Biology and Life Sciences WEST ANTARCTIC PENINSULA EICOSAPENTAENOIC ACID PHAEODACTYLUM-TRICORNUTUM BIOCHEMICAL-COMPOSITION DOCOSAHEXAENOIC ACID HOMEOVISCOUS ADAPTATION PORPHYRIDIUM-CRUENTUM CHEMICAL-COMPOSITION AQUATIC ECOSYSTEMS LIPID-COMPOSITION Antarctic Temperate Essential FAs Increased temperature Microalgae Cyanobacteria journalArticle info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2022 ftunivgent https://doi.org/10.32604/biocell.2022.017309 2023-04-19T22:10:41Z Under the present changing climate conditions and the observed temperature increase, it is of high importance to understand its effects on aquatic microbial life, and organisms' adaptations at the biochemical level. To adjust to temperature or salinity stress and avoid cell damage, organisms alter their degree of fatty acids (FAs) saturation. Thus, temperature is expected to have strong effects on both the quantity and quality of FAs in aquatic microorganisms. Here we review some recent findings about FAs sensitivity to climate change in contrasting environments. Overall, heat waves may induce changes in the relative abundance of polyunsaturated FAs (PUFA). However, the impact of the exposure to warming waters is different in temperate and polar environments. In cold marine waters, high concentration of omega-3 (omega 3) FAs such as eicosapentaenoic acid (EPA) is promoted due to the activation of the desaturase enzyme. In this way, cells have enough energy to produce or activate antioxidant protection mechanisms and avoid oxidative stress due to heat waves. Contrastingly, under high irradiance and heat wave conditions in temperate environments, photosystems' protection is achieved by decreasing EPA concentration due to desaturase sensitivity. Essential FAs are transferred in aquatic food webs. Therefore, any alteration in the production of essential FAs by phytoplankton (the main source of omega 3) due to climate warming can be transferred to higher trophic levels, with cascading effects for the entire aquatic ecosystem. Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Ghent University Academic Bibliography Antarctic Antarctic Peninsula BIOCELL 46 3 607 621 |
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Open Polar |
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Ghent University Academic Bibliography |
op_collection_id |
ftunivgent |
language |
English |
topic |
Biology and Life Sciences WEST ANTARCTIC PENINSULA EICOSAPENTAENOIC ACID PHAEODACTYLUM-TRICORNUTUM BIOCHEMICAL-COMPOSITION DOCOSAHEXAENOIC ACID HOMEOVISCOUS ADAPTATION PORPHYRIDIUM-CRUENTUM CHEMICAL-COMPOSITION AQUATIC ECOSYSTEMS LIPID-COMPOSITION Antarctic Temperate Essential FAs Increased temperature Microalgae Cyanobacteria |
spellingShingle |
Biology and Life Sciences WEST ANTARCTIC PENINSULA EICOSAPENTAENOIC ACID PHAEODACTYLUM-TRICORNUTUM BIOCHEMICAL-COMPOSITION DOCOSAHEXAENOIC ACID HOMEOVISCOUS ADAPTATION PORPHYRIDIUM-CRUENTUM CHEMICAL-COMPOSITION AQUATIC ECOSYSTEMS LIPID-COMPOSITION Antarctic Temperate Essential FAs Increased temperature Microalgae Cyanobacteria Hernando, Marcelo P. Schloss, Irene R. de la Rosa, Florencia De Troch, Marleen Fatty acids in microalgae and cyanobacteria in a changing world : contrasting temperate and cold environments |
topic_facet |
Biology and Life Sciences WEST ANTARCTIC PENINSULA EICOSAPENTAENOIC ACID PHAEODACTYLUM-TRICORNUTUM BIOCHEMICAL-COMPOSITION DOCOSAHEXAENOIC ACID HOMEOVISCOUS ADAPTATION PORPHYRIDIUM-CRUENTUM CHEMICAL-COMPOSITION AQUATIC ECOSYSTEMS LIPID-COMPOSITION Antarctic Temperate Essential FAs Increased temperature Microalgae Cyanobacteria |
description |
Under the present changing climate conditions and the observed temperature increase, it is of high importance to understand its effects on aquatic microbial life, and organisms' adaptations at the biochemical level. To adjust to temperature or salinity stress and avoid cell damage, organisms alter their degree of fatty acids (FAs) saturation. Thus, temperature is expected to have strong effects on both the quantity and quality of FAs in aquatic microorganisms. Here we review some recent findings about FAs sensitivity to climate change in contrasting environments. Overall, heat waves may induce changes in the relative abundance of polyunsaturated FAs (PUFA). However, the impact of the exposure to warming waters is different in temperate and polar environments. In cold marine waters, high concentration of omega-3 (omega 3) FAs such as eicosapentaenoic acid (EPA) is promoted due to the activation of the desaturase enzyme. In this way, cells have enough energy to produce or activate antioxidant protection mechanisms and avoid oxidative stress due to heat waves. Contrastingly, under high irradiance and heat wave conditions in temperate environments, photosystems' protection is achieved by decreasing EPA concentration due to desaturase sensitivity. Essential FAs are transferred in aquatic food webs. Therefore, any alteration in the production of essential FAs by phytoplankton (the main source of omega 3) due to climate warming can be transferred to higher trophic levels, with cascading effects for the entire aquatic ecosystem. |
format |
Article in Journal/Newspaper |
author |
Hernando, Marcelo P. Schloss, Irene R. de la Rosa, Florencia De Troch, Marleen |
author_facet |
Hernando, Marcelo P. Schloss, Irene R. de la Rosa, Florencia De Troch, Marleen |
author_sort |
Hernando, Marcelo P. |
title |
Fatty acids in microalgae and cyanobacteria in a changing world : contrasting temperate and cold environments |
title_short |
Fatty acids in microalgae and cyanobacteria in a changing world : contrasting temperate and cold environments |
title_full |
Fatty acids in microalgae and cyanobacteria in a changing world : contrasting temperate and cold environments |
title_fullStr |
Fatty acids in microalgae and cyanobacteria in a changing world : contrasting temperate and cold environments |
title_full_unstemmed |
Fatty acids in microalgae and cyanobacteria in a changing world : contrasting temperate and cold environments |
title_sort |
fatty acids in microalgae and cyanobacteria in a changing world : contrasting temperate and cold environments |
publishDate |
2022 |
url |
https://biblio.ugent.be/publication/8729080 http://hdl.handle.net/1854/LU-8729080 https://doi.org/10.32604/biocell.2022.017309 https://biblio.ugent.be/publication/8729080/file/8729083 |
geographic |
Antarctic Antarctic Peninsula |
geographic_facet |
Antarctic Antarctic Peninsula |
genre |
Antarc* Antarctic Antarctic Peninsula |
genre_facet |
Antarc* Antarctic Antarctic Peninsula |
op_source |
BIOCELL ISSN: 0327-9545 ISSN: 1667-5746 |
op_relation |
https://biblio.ugent.be/publication/8729080 http://hdl.handle.net/1854/LU-8729080 http://dx.doi.org/10.32604/biocell.2022.017309 https://biblio.ugent.be/publication/8729080/file/8729083 |
op_rights |
Creative Commons Attribution 4.0 International Public License (CC-BY 4.0) info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.32604/biocell.2022.017309 |
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