Seawater carbonate chemistry and photoinhibition in Desmarestia anceps
Ocean acidification and warming are affecting polar regions with particular intensity. Rocky shores of the Antarctic Peninsula are dominated by canopy-forming Desmarestiales. This study investigates the physiological and transcriptomic responses of the endemic macroalga Desmarestia anceps to a combi...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.887648 2024-09-15T17:48:03+00:00 Seawater carbonate chemistry and photoinhibition in Desmarestia anceps Iñiguez, Concepcion Heinrich, Sandra Harms, Lars Gordillo, Francisco J L 2017 text/tab-separated-values, 624 data points https://doi.pangaea.de/10.1594/PANGAEA.887648 https://doi.org/10.1594/PANGAEA.887648 en eng PANGAEA Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse; Orr, James C; Gentili, Bernard; Proye, Aurélien; Soetaert, Karline; Rae, James (2016): seacarb: seawater carbonate chemistry with R. R package version 3.1. https://cran.r-project.org/package=seacarb https://doi.pangaea.de/10.1594/PANGAEA.887648 https://doi.org/10.1594/PANGAEA.887648 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess Supplement to: Iñiguez, Concepcion; Heinrich, Sandra; Harms, Lars; Gordillo, Francisco J L (2017): Increased temperature and CO2 alleviate photoinhibition in Desmarestia anceps: from transcriptomics to carbon utilization. Journal of Experimental Botany, 68(14), 3971-3984, https://doi.org/10.1093/jxb/erx164 Alkalinity total standard deviation Aragonite saturation state Benthos Bicarbonate Bicarbonate ion Biomass/Abundance/Elemental composition Bottles or small containers/Aquaria (<20 L) Calcite saturation state Calculated using CO2calc Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved Carbon/Nitrogen ratio Carbonate ion Carbonate system computation flag Carbon dioxide Carotenoids Chlorophyll a Chlorophyll c1+c2 Chromista Desmarestia anceps Dissolved organic carbon release rate dataset 2017 ftpangaea https://doi.org/10.1594/PANGAEA.88764810.1093/jxb/erx164 2024-07-24T02:31:33Z Ocean acidification and warming are affecting polar regions with particular intensity. Rocky shores of the Antarctic Peninsula are dominated by canopy-forming Desmarestiales. This study investigates the physiological and transcriptomic responses of the endemic macroalga Desmarestia anceps to a combination of different levels of temperature (2 and 7 °C), dissolved CO2 (380 and 1000 ppm), and irradiance (65 and 145 µmol photons/m**2/s). Growth and photosynthesis increased at high CO2 conditions, and strongly decreased at 2 °C plus high irradiance, in comparison to the other treatments. Photoinhibition at 2 °C plus high irradiance was evidenced by the photochemical performance and intensive release of dissolved organic carbon. The highest number of differentially regulated transcripts was observed in thalli exposed to 2 °C plus high irradiance. Algal 13C isotopic discrimination values suggested an absence of down-regulation of carbon-concentrating mechanisms at high CO2. CO2 enrichment induced few transcriptomic changes. There was high and constitutive gene expression of many photochemical and inorganic carbon utilization components, which might be related to the strong adaptation of D. anceps to the Antarctic environment. These results suggest that increased temperature and CO2 will allow D. anceps to maintain its productivity while tolerating higher irradiances than at present conditions. Dataset Antarc* Antarctic Antarctic Peninsula Ocean acidification PANGAEA - Data Publisher for Earth & Environmental Science |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
Alkalinity total standard deviation Aragonite saturation state Benthos Bicarbonate Bicarbonate ion Biomass/Abundance/Elemental composition Bottles or small containers/Aquaria (<20 L) Calcite saturation state Calculated using CO2calc Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved Carbon/Nitrogen ratio Carbonate ion Carbonate system computation flag Carbon dioxide Carotenoids Chlorophyll a Chlorophyll c1+c2 Chromista Desmarestia anceps Dissolved organic carbon release rate |
spellingShingle |
Alkalinity total standard deviation Aragonite saturation state Benthos Bicarbonate Bicarbonate ion Biomass/Abundance/Elemental composition Bottles or small containers/Aquaria (<20 L) Calcite saturation state Calculated using CO2calc Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved Carbon/Nitrogen ratio Carbonate ion Carbonate system computation flag Carbon dioxide Carotenoids Chlorophyll a Chlorophyll c1+c2 Chromista Desmarestia anceps Dissolved organic carbon release rate Iñiguez, Concepcion Heinrich, Sandra Harms, Lars Gordillo, Francisco J L Seawater carbonate chemistry and photoinhibition in Desmarestia anceps |
topic_facet |
Alkalinity total standard deviation Aragonite saturation state Benthos Bicarbonate Bicarbonate ion Biomass/Abundance/Elemental composition Bottles or small containers/Aquaria (<20 L) Calcite saturation state Calculated using CO2calc Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved Carbon/Nitrogen ratio Carbonate ion Carbonate system computation flag Carbon dioxide Carotenoids Chlorophyll a Chlorophyll c1+c2 Chromista Desmarestia anceps Dissolved organic carbon release rate |
description |
Ocean acidification and warming are affecting polar regions with particular intensity. Rocky shores of the Antarctic Peninsula are dominated by canopy-forming Desmarestiales. This study investigates the physiological and transcriptomic responses of the endemic macroalga Desmarestia anceps to a combination of different levels of temperature (2 and 7 °C), dissolved CO2 (380 and 1000 ppm), and irradiance (65 and 145 µmol photons/m**2/s). Growth and photosynthesis increased at high CO2 conditions, and strongly decreased at 2 °C plus high irradiance, in comparison to the other treatments. Photoinhibition at 2 °C plus high irradiance was evidenced by the photochemical performance and intensive release of dissolved organic carbon. The highest number of differentially regulated transcripts was observed in thalli exposed to 2 °C plus high irradiance. Algal 13C isotopic discrimination values suggested an absence of down-regulation of carbon-concentrating mechanisms at high CO2. CO2 enrichment induced few transcriptomic changes. There was high and constitutive gene expression of many photochemical and inorganic carbon utilization components, which might be related to the strong adaptation of D. anceps to the Antarctic environment. These results suggest that increased temperature and CO2 will allow D. anceps to maintain its productivity while tolerating higher irradiances than at present conditions. |
format |
Dataset |
author |
Iñiguez, Concepcion Heinrich, Sandra Harms, Lars Gordillo, Francisco J L |
author_facet |
Iñiguez, Concepcion Heinrich, Sandra Harms, Lars Gordillo, Francisco J L |
author_sort |
Iñiguez, Concepcion |
title |
Seawater carbonate chemistry and photoinhibition in Desmarestia anceps |
title_short |
Seawater carbonate chemistry and photoinhibition in Desmarestia anceps |
title_full |
Seawater carbonate chemistry and photoinhibition in Desmarestia anceps |
title_fullStr |
Seawater carbonate chemistry and photoinhibition in Desmarestia anceps |
title_full_unstemmed |
Seawater carbonate chemistry and photoinhibition in Desmarestia anceps |
title_sort |
seawater carbonate chemistry and photoinhibition in desmarestia anceps |
publisher |
PANGAEA |
publishDate |
2017 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.887648 https://doi.org/10.1594/PANGAEA.887648 |
genre |
Antarc* Antarctic Antarctic Peninsula Ocean acidification |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Ocean acidification |
op_source |
Supplement to: Iñiguez, Concepcion; Heinrich, Sandra; Harms, Lars; Gordillo, Francisco J L (2017): Increased temperature and CO2 alleviate photoinhibition in Desmarestia anceps: from transcriptomics to carbon utilization. Journal of Experimental Botany, 68(14), 3971-3984, https://doi.org/10.1093/jxb/erx164 |
op_relation |
Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse; Orr, James C; Gentili, Bernard; Proye, Aurélien; Soetaert, Karline; Rae, James (2016): seacarb: seawater carbonate chemistry with R. R package version 3.1. https://cran.r-project.org/package=seacarb https://doi.pangaea.de/10.1594/PANGAEA.887648 https://doi.org/10.1594/PANGAEA.887648 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1594/PANGAEA.88764810.1093/jxb/erx164 |
_version_ |
1810288849958469632 |