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The small protein SbtC is a functional component of the CO2 concentrating mechanism in Synechocystis sp. PCC 6803.

Plant physiology - 6 May 2026

Walke Peter, Poppitz Carolin, Menz Niklas, Hess Wolfgang R, Burnap Robert, Hagemann Martin, Klähn Stephan

Abstract excerpt

Oxygenic phototrophs fix CO2 via the enzyme ribulose-1,5-bisphosphate carboxylase/oxygenase (RubisCO), which shows relatively low CO2 affinity and specificity. To circumvent low and fluctuating CO2 concentrations in aquatic systems, cyanobacteria and algae have evolved sophisticated inorganic carbon (Ci) concentrating mechanisms (CCMs). Bicarbonate transporters such as SbtA play a crucial role in the...

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PMID: 42030371
DOI: 10.1093/plphys/kiag246

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 12 Sept 2026.

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