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Mitochondrial β-carbonic anhydrase is a conserved metabolic rheostat for branched-chain amino acid catabolism and metabolic flexibility.

The New phytologist - 1 May 2026

Sharma Naveen, Sharkey Thomas D, Brandizzi Federica

Abstract excerpt

Carbonic anhydrases (CAs) are ubiquitous metalloenzymes that catalyze the reversible hydration of CO2, enabling fundamental processes in organisms across all domains of life. Among all CAs, the role of mitochondrial βCA remains poorly understood. Here, we identify a mitochondrial βCA, βCA6, as a key regulator of branched-chain amino acid (BCAA) catabolism and metabolic flexibility during carbon starvation in...

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Amino Acids, Branched-Chain
Arabidopsis Proteins
Carbon
Carbonic Anhydrases
Darkness

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PMID: 41834004
DOI: 10.1111/nph.71056
PMCID: PMC13103436

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 1 Sept 2026.

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