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Polyphosphate from Lactic Acid Bacteria: A Functional Molecule for Food and Health Applications

23 Jun 2025

Abstract excerpt

The linear polymer polyphosphate (polyP) is found across all three domains of life and fulfills diverse physiological functions, including phosphorus storage, chaperone activity, and stress tolerance. In bacteria, polyP synthesis is catalyzed by polyphosphate kinase (Ppk), whereas its degradation is carried out by exopolyphosphatases (Ppx). Intracellular polyP levels are determined by the balance between these...

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PMID: 40646963
DOI: 10.3390/foods14132211

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