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] Coccolithophore biodiversity controls carbonate export in the Southern Ocean

AS Rigual Hernández, TW Trull, SD Nodder… - …, 2020 - bg.copernicus.org
Southern Ocean waters are projected to undergo profound changes in their physical and
chemical properties in the coming decades. Coccolithophore blooms in the Southern Ocean …

The genomic potential of photosynthesis in piconanoplankton is functionally redundant but taxonomically structured at a global scale

A Schickele, P Debeljak, SD Ayata, L Bittner… - Science …, 2024 - science.org
Carbon fixation is a key metabolic function shaping marine life, but the underlying taxonomic
and functional diversity involved is only partially understood. Using metagenomic resources …

Planktonic protist diversity across contrasting Subtropical and Subantarctic waters of the southwest Pacific

A Gutiérrez-Rodríguez, AL dos Santos, K Safi… - Progress in …, 2022 - Elsevier
Planktonic protists are an essential component of marine pelagic ecosystems where they
mediate important trophic and biogeochemical functions. Although these functions are …

Particle fluxes at the Australian Southern Ocean Time Series (SOTS) achieve organic carbon sequestration at rates close to the global median, are dominated by …

CA Wynn-Edwards, EH Shadwick, DM Davies… - Frontiers in Earth …, 2020 - frontiersin.org
Particle fluxes at the Southern Ocean time series (SOTS) site in the Subantarctic Zone (SAZ)
south of Australia (∼ 47° S,∼ 142° E, 4600 m water depth) were collected from 1997–2017 …

Shell density of planktonic foraminifera and pteropod species Limacina helicina in the Barents Sea: Relation to ontogeny and water chemistry

S Ofstad, K Zamelczyk, K Kimoto, M Chierici… - PloS one, 2021 - journals.plos.org
Planktonic calcifiers, the foraminiferal species Neogloboquadrina pachyderma and
Turborotalita quinqueloba, and the thecosome pteropod Limacina helicina from plankton …

Environmental DNA metabarcoding describes biodiversity across marine gradients

CIM Adams, GJ Jeunen, H Cross… - ICES Journal of …, 2023 - academic.oup.com
In response to climate change, biodiversity patterns in the oceans are predicted to shift
rapidly, thus increasing the need for efficient monitoring methods. Environmental DNA …

A comparison of methods for estimating coccolith mass

CR Valença, L Beaufort, GM Hallegraeff… - …, 2024 - bg.copernicus.org
The fossil record of coccolithophores dates back approximately 225 million years, and the
production of their calcite platelets (coccoliths) contributes to the global carbon cycle over …

Carbon Isotopic Fractionation of Alkenones and Gephyrocapsa Coccoliths Over the Late Quaternary (Marine Isotope Stages 12–9) Glacial‐Interglacial Cycles at the …

A González‐Lanchas… - Paleoceanography …, 2021 - Wiley Online Library
The sensitivity of coccolithophores to changing CO2 and its role modulating cellular
photosynthetic carbon isotopic fractionation (εp) is crucial to understand the future …

[HTML][HTML] Distribution of coccoliths in surface sediments across the Drake Passage and calcification of Emiliania huxleyi morphotypes

NM Vollmar, KH Baumann, M Saavedra-Pellitero… - …, 2022 - bg.copernicus.org
Abstract The Southern Ocean is experiencing rapid and profound changes in its physical
and biogeochemical properties that may influence the distribution and composition of …