Pathways to calcification in coccolithophores

Brownlee, C and Wheeler, G 2026 Pathways to calcification in coccolithophores. Botanica Marina. 10.1515/bot-2026-0074

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Abstract/Summary

Calcification by coccolithophores represents a major biogeochemical process in the oceans. Calcification involves the formation of calcite coccoliths within a Golgi-derived compartment inside the cell. These are secreted to the cell surface where they form the coccosphere. Coccolithophore calcification is underpinned by membrane transport processes that deliver the inorganic carbon and calcium substrates from the external seawater to the site of calcification and by the removal of products, namely protons produced in the calcification reactions. Understanding these critical aspects of calcification will provide clearer insights into the responses of coccolithophores to chemical and physical conditions, both in terms of short-term acclimation and long-term adaptation to a changing ocean. In this review we consider these processes, their localization and the specific transporters likely to be involved. We also consider how transport processes are linked to structural aspects of the cell, providing specialized pathways for the substantial ion fluxes involved

Item Type:	Publication - Article
Additional Keywords:	photosynthesis, acidification, membrane transport, calcium, inorganic carbon
Subjects:	Marine Sciences
Divisions:	Marine Biological Association of the UK > Marine Microbiome
Depositing User:	Ms Kristina Hixon
Date made live:	30 Oct 2026 11:59
Last Modified:	30 Oct 2026 11:59
URI:	https://plymsea.ac.uk/id/eprint/10673

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