Reduced H+ channel activity disrupts pH homeostasis and calcification in coccolithophores at low ocean pH

DM Kottmeier, A Chrachri, G Langer… - Proceedings of the …, 2022 - National Acad Sciences
Coccolithophores are major producers of ocean biogenic calcite, but this process is
predicted to be negatively affected by future ocean acidification scenarios. Since …

[HTML][HTML] A Voltage-Gated H+ Channel Underlying pH Homeostasis in Calcifying Coccolithophores

AR Taylor, A Chrachri, G Wheeler, H Goddard… - PLoS …, 2011 - journals.plos.org
Marine coccolithophorid phytoplankton are major producers of biogenic calcite, playing a
significant role in the global carbon cycle. Predicting the impacts of ocean acidification on …

[HTML][HTML] A coastal coccolithophore maintains pH homeostasis and switches carbon sources in response to ocean acidification

YW Liu, RA Eagle, SM Aciego, RE Gilmore… - Nature …, 2018 - nature.com
Ocean acidification will potentially inhibit calcification by marine organisms; however, the
response of the most prolific ocean calcifiers, coccolithophores, to this perturbation remains …

[HTML][HTML] A unifying concept of coccolithophore sensitivity to changing carbonate chemistry embedded in an ecological framework

LT Bach, U Riebesell, MA Gutowska… - Progress in …, 2015 - Elsevier
Coccolithophores are a group of unicellular phytoplankton species whose ability to calcify
has a profound influence on biogeochemical element cycling. Calcification rates are …

Negative effects of ocean acidification on calcification vary within the coccolithophore genus Calcidiscus

RE Diner, I Benner, U Passow, T Komada… - Marine Biology, 2015 - Springer
A large percentage of CO 2 emitted into the atmosphere is absorbed by the oceans, causing
chemical changes in surface waters known as ocean acidification (OA). Despite the high …

Native-state imaging of calcifying and noncalcifying microalgae reveals similarities in their calcium storage organelles

A Gal, A Sorrentino, K Kahil, E Pereiro… - Proceedings of the …, 2018 - National Acad Sciences
Calcium storage organelles are common to all eukaryotic organisms and play a pivotal role
in calcium signaling and cellular calcium homeostasis. In most organelles, the …

Coccolithophore calcification: Changing paradigms in changing oceans

C Brownlee, G Langer, GL Wheeler - Acta Biomaterialia, 2021 - Elsevier
Coccolithophores represent a major component of the marine phytoplankton and contribute
to the bulk of biogenic calcite formation on Earth. These unicellular protists produce minute …

Phytoplankton calcification as an effective mechanism to alleviate cellular calcium poisoning

MN Müller, J Barcelos e Ramos, KG Schulz… - …, 2015 - bg.copernicus.org
Marine phytoplankton have developed the remarkable ability to tightly regulate the
concentration of free calcium ions in the intracellular cytosol at a level of~ 0.1 μmol L− 1 in …

[HTML][HTML] Response of the calcifying coccolithophore Emiliania huxleyi to low pH/high pCO2: from physiology to molecular level

S Richier, S Fiorini, ME Kerros, P Von Dassow… - Marine biology, 2011 - Springer
The emergence of ocean acidification as a significant threat to calcifying organisms in
marine ecosystems creates a pressing need to understand the physiological and molecular …

Calcifying Coccolithophore: An Evolutionary Advantage Against Extracellular Oxidative Damage

M Yang, C Batchelor‐McAuley, S Barton, REM Rickaby… - Small, 2023 - Wiley Online Library
The evolutionary advantages afforded by phytoplankton calcification remain enigmatic. In
this work, fluoroelectrochemical experiments reveal that the presence of a CaCO3 shell of a …