Physiological and Biochemical Analyses Shed Light on the Response of Sargassum vulgare to Ocean Acidification at Different Time Scales
Studies regarding macroalgal responses to ocean acidification (OA) are mostly limited to short-term experiments in controlled conditions, which hamper the possibility to scale up the observations to long-term effects in the natural environment. To gain a broader perspective, we utilized volcanic CO2...
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ftdoajarticles:oai:doaj.org/article:f3458a0bba654a309942d40163f31bc1 2023-05-15T17:50:00+02:00 Physiological and Biochemical Analyses Shed Light on the Response of Sargassum vulgare to Ocean Acidification at Different Time Scales Maria Cristina Buia Anna Palumbo Amit Kumar Hamada AbdElgawad Immacolata Castellano Maurizio Lorenti Massimo Delledonne Gerrit T. S. Beemster Han Asard 2017-04-01T00:00:00Z https://doi.org/10.3389/fpls.2017.00570 https://doaj.org/article/f3458a0bba654a309942d40163f31bc1 EN eng Frontiers Media S.A. http://journal.frontiersin.org/article/10.3389/fpls.2017.00570/full https://doaj.org/toc/1664-462X 1664-462X doi:10.3389/fpls.2017.00570 https://doaj.org/article/f3458a0bba654a309942d40163f31bc1 Frontiers in Plant Science, Vol 8 (2017) macroalgae ocean acidification Sargassum vulgare CO2 vents transplants Plant culture SB1-1110 article 2017 ftdoajarticles https://doi.org/10.3389/fpls.2017.00570 2022-12-31T09:27:43Z Studies regarding macroalgal responses to ocean acidification (OA) are mostly limited to short-term experiments in controlled conditions, which hamper the possibility to scale up the observations to long-term effects in the natural environment. To gain a broader perspective, we utilized volcanic CO2 vents as a “natural laboratory” to study OA effects on Sargassum vulgare at different time scales. We measured photosynthetic rates, oxidative stress levels, antioxidant contents, antioxidant enzyme activities, and activities of oxidative metabolic enzymes in S. vulgare growing at a natural acidified site (pH 6.7) compared to samples from a site with current pH (pH 8.2), used as a control one. These variables were also tested in plants transplanted from the control to the acidified site and vice-versa. After short-term exposure, photosynthetic rates and energy metabolism were increased in S. vulgare together with oxidative damage. However, in natural populations under long-term conditions photosynthetic rates were similar, the activity of oxidative metabolic enzymes was maintained, and no sign of oxidative damages was observed. The differences in the response of the macroalga indicate that the natural population at the acidified site is adapted to live at the lowered pH. The results suggest that this macroalga can adopt biochemical and physiological strategies to grow in future acidified oceans. Article in Journal/Newspaper Ocean acidification Directory of Open Access Journals: DOAJ Articles Frontiers in Plant Science 8 |
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Directory of Open Access Journals: DOAJ Articles |
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English |
topic |
macroalgae ocean acidification Sargassum vulgare CO2 vents transplants Plant culture SB1-1110 |
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macroalgae ocean acidification Sargassum vulgare CO2 vents transplants Plant culture SB1-1110 Maria Cristina Buia Anna Palumbo Amit Kumar Hamada AbdElgawad Immacolata Castellano Maurizio Lorenti Massimo Delledonne Gerrit T. S. Beemster Han Asard Physiological and Biochemical Analyses Shed Light on the Response of Sargassum vulgare to Ocean Acidification at Different Time Scales |
topic_facet |
macroalgae ocean acidification Sargassum vulgare CO2 vents transplants Plant culture SB1-1110 |
description |
Studies regarding macroalgal responses to ocean acidification (OA) are mostly limited to short-term experiments in controlled conditions, which hamper the possibility to scale up the observations to long-term effects in the natural environment. To gain a broader perspective, we utilized volcanic CO2 vents as a “natural laboratory” to study OA effects on Sargassum vulgare at different time scales. We measured photosynthetic rates, oxidative stress levels, antioxidant contents, antioxidant enzyme activities, and activities of oxidative metabolic enzymes in S. vulgare growing at a natural acidified site (pH 6.7) compared to samples from a site with current pH (pH 8.2), used as a control one. These variables were also tested in plants transplanted from the control to the acidified site and vice-versa. After short-term exposure, photosynthetic rates and energy metabolism were increased in S. vulgare together with oxidative damage. However, in natural populations under long-term conditions photosynthetic rates were similar, the activity of oxidative metabolic enzymes was maintained, and no sign of oxidative damages was observed. The differences in the response of the macroalga indicate that the natural population at the acidified site is adapted to live at the lowered pH. The results suggest that this macroalga can adopt biochemical and physiological strategies to grow in future acidified oceans. |
format |
Article in Journal/Newspaper |
author |
Maria Cristina Buia Anna Palumbo Amit Kumar Hamada AbdElgawad Immacolata Castellano Maurizio Lorenti Massimo Delledonne Gerrit T. S. Beemster Han Asard |
author_facet |
Maria Cristina Buia Anna Palumbo Amit Kumar Hamada AbdElgawad Immacolata Castellano Maurizio Lorenti Massimo Delledonne Gerrit T. S. Beemster Han Asard |
author_sort |
Maria Cristina Buia |
title |
Physiological and Biochemical Analyses Shed Light on the Response of Sargassum vulgare to Ocean Acidification at Different Time Scales |
title_short |
Physiological and Biochemical Analyses Shed Light on the Response of Sargassum vulgare to Ocean Acidification at Different Time Scales |
title_full |
Physiological and Biochemical Analyses Shed Light on the Response of Sargassum vulgare to Ocean Acidification at Different Time Scales |
title_fullStr |
Physiological and Biochemical Analyses Shed Light on the Response of Sargassum vulgare to Ocean Acidification at Different Time Scales |
title_full_unstemmed |
Physiological and Biochemical Analyses Shed Light on the Response of Sargassum vulgare to Ocean Acidification at Different Time Scales |
title_sort |
physiological and biochemical analyses shed light on the response of sargassum vulgare to ocean acidification at different time scales |
publisher |
Frontiers Media S.A. |
publishDate |
2017 |
url |
https://doi.org/10.3389/fpls.2017.00570 https://doaj.org/article/f3458a0bba654a309942d40163f31bc1 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
Frontiers in Plant Science, Vol 8 (2017) |
op_relation |
http://journal.frontiersin.org/article/10.3389/fpls.2017.00570/full https://doaj.org/toc/1664-462X 1664-462X doi:10.3389/fpls.2017.00570 https://doaj.org/article/f3458a0bba654a309942d40163f31bc1 |
op_doi |
https://doi.org/10.3389/fpls.2017.00570 |
container_title |
Frontiers in Plant Science |
container_volume |
8 |
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1766156561360617472 |