Inorganic Polyphosphate in Mitochondrial Energy Metabolism and Pathology

Prog Mol Subcell Biol. 2022:61:15-26. doi: 10.1007/978-3-031-01237-2_2.

Abstract

In this chapter, the current understanding of the potential roles played by polyphosphate in mitochondrial function with a specific focus on energy metabolism and mitochondrial pathologies caused by stress is summarized. Here we will discuss details of the possible ion transporting mechanisms of mitochondria that might involve polyP and their role in mitochondrial physiology and pathology are discussed.

Keywords: ATP; Calcium; Mitochondrial function; Oxidative phosphorylation; Permeability transition pore; PolyP hydrolyzing enzyme; Polyhydroxybutyrate; Polyphosphate kinase.

MeSH terms

  • Energy Metabolism / genetics
  • Mitochondria / genetics
  • Mitochondrial Membrane Transport Proteins / metabolism
  • Mitochondrial Permeability Transition Pore*
  • Polyphosphates* / metabolism

Substances

  • Mitochondrial Membrane Transport Proteins
  • Mitochondrial Permeability Transition Pore
  • Polyphosphates