Deuterons cannot replace protons in active transport processes in yeast

. 1990 May 21 ; 264 (2) : 203-5.

Jazyk angličtina Země Anglie, Velká Británie Médium print

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/pmid02162783
Odkazy

PubMed 2162783
DOI 10.1016/0014-5793(90)80248-h
PII: 0014-5793(90)80248-H
Knihovny.cz E-zdroje

Replacement of ordinary water with heavy water causes a sharp reduction of the rates of both primary hydrogen ion transport (at the plasma membrane ATPase) and secondary symports (H(+)-associated transports of sugars and amino acids) in several species of yeast. At the same time, the hydrolytic activity of the ATPase is affected only very little. Likewise, the membrane potential, the delta pH and, correspondingly, the accumulation ratios of the various symported solutes are altered much less. This serves as evidence that H+ or H3O+ ions are direct participants in the various active transports of nutrients in yeast.

Citace poskytuje Crossref.org

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