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Transcriptomic effects of Ocean Acidification and their modulation by energy availability in the life-cycle stages of the coccolithophore Emiliania huxleyi

ABSTRACT: To investigate the effects of ocean acidification (OA) and their energy-dependent modulation in the life-cycle stages of E.huxleyi, diploid and haploid cells were acclimated to present and future CO2 partial pressures (pCO2; 38.5 Pa vs. 101.3 Pa CO2) under low and high light (50 vs. 300 M-5mol photons m-2 s-1). Microarray-based transcriptome profiling was used to screen for cellular processes that underlie the physiological OA-responses observed earlier (Rokitta & Rost 2012)

ORGANISM(S): Emiliania huxleyi

SUBMITTER: Sebastian Rokitta 

PROVIDER: E-MEXP-3624 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Ocean acidification affects redox-balance and ion-homeostasis in the life-cycle stages of Emiliania huxleyi.

Rokitta Sebastian D SD   John Uwe U   Rost Björn B  

PloS one 20121226 12

Ocean Acidification (OA) has been shown to affect photosynthesis and calcification in the coccolithophore Emiliania huxleyi, a cosmopolitan calcifier that significantly contributes to the regulation of the biological carbon pumps. Its non-calcifying, haploid life-cycle stage was found to be relatively unaffected by OA with respect to biomass production. Deeper insights into physiological key processes and their dependence on environmental factors are lacking, but are required to understand and p  ...[more]

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