Work

Inhibition of Postoxidative Calcium Release in Corn Mitochondria by Inorganic Phosphate

Year: 1973

Type: article

Abstract: Respiration drives the accumulation of a small amount of calcium in corn (Zea mays L.) mitochondria, and this calcium is released when respiration ceases. A postenergized addition of phosphate leads to phosphate uptake and enhaced calcium retention. Oligomycin, KCN, 2,4-dinitrophenol, or mersalyl are without effect on the phosphate-induced calcium retention. Addition of phosphate also inhibits the release of endogenous phosphate which normally accompanies the calcium. It is suggested that passive phosphate uptake retards the release of endogenous phosphate which is complexed with the calcium.

Source: PLANT PHYSIOLOGY

DOI: 10.1104/pp.52.5.403

Authors: M. J. Earnshaw, J. B. Hanson

Institutions: University of Illinois Urbana-Champaign, University of Illinois System

Language: English

Topic: Mitochondrial Function and Pathology

Subfield: Molecular Biology

Field: Biochemistry, Genetics and Molecular Biology

Domain: Life Sciences

SDG: Zero hunger

Open Access status: bronze

Funder: United States Atomic Energy Commission