Li, Gang; Campbell, Douglas A (2013): Seawater carbonate chemistry and photosystem II photoinactivation of the coastal diatom Thalassiosira pseudonana in a laboratory experiment [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.824663, Supplement to: Li, G; Campbell, DA (2013): Rising CO2 Interacts with Growth Light and Growth Rate to Alter Photosystem II Photoinactivation of the Coastal Diatom Thalassiosira pseudonana. PLoS ONE, 8(1), e55562, https://doi.org/10.1371/journal.pone.0055562.t001
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Published: 2013-12-17 • DOI registered: 2014-01-14
Abstract:
We studied the interactive effects of pCO2 and growth light on the coastal marine diatom Thalassiosira pseudonana CCMP 1335 growing under ambient and expected end-of-the-century pCO2 (750 ppmv), and a range of growth light from 30 to 380 µmol photons/m**2/s. Elevated pCO2 significantly stimulated the growth of T. pseudonana under sub-saturating growth light, but not under saturating to super-saturating growth light. Under ambient pCO2 susceptibility to photoinactivation of photosystem II (sigma i) increased with increasing growth rate, but cells growing under elevated pCO2 showed no dependence between growth rate and sigma i, so under high growth light cells under elevated pCO2 were less susceptible to photoinactivation of photosystem II, and thus incurred a lower running cost to maintain photosystem II function. Growth light altered the contents of RbcL (RUBISCO) and PsaC (PSI) protein subunits, and the ratios among the subunits, but there were only limited effects on these and other protein pools between cells grown under ambient and elevated pCO2.
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Further details:
Lavigne, Héloïse; Gattuso, Jean-Pierre (2011): seacarb: seawater carbonate chemistry with R. R package version 2.4 [webpage]. https://cran.r-project.org/package=seacarb
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Comment:
In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne and Gattuso, 2011) was used to compute a complete and consistent set of carbonate system variables, as described by Nisumaa et al. (2010). In this dataset the original values were archived in addition with the recalculated parameters (see related PI). The date of carbonate chemistry calculation by seacarb is 2013-12-16.
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License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1542 data points
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Datasets with similar metadata
- Li, W; Wang, T; Campbell, DA et al. (2020): Seawater carbonate chemistry and growth and particulate organic nitrogen production of diatom Thalassiosira pseudonana. https://doi.org/10.1594/PANGAEA.922459
- Qu, L; Campbell, DA; Gao, K (2021): Seawater carbonate chemistry and CO2 acquisition efficiency and mitochondrial respiration in a coastal diatom. https://doi.org/10.1594/PANGAEA.928761
- McCarthy, A; Rogers, SP; Duffy, SJ et al. (2012): Seawater carbonate chemistry and the photophysiology of Thalassiosira pseudonana (Bacillariophyceae) and Emiliania huxleyi (Haptophyta) in a laboratory experiment. https://doi.org/10.1594/PANGAEA.824665
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