Uptake by Yeast: Interaction of Rb+, Na+ and Phosphate

Autor:	P.H.J. Peters, Alexander P.R. Theuvenet, G. W. F. H. Borst‐Pauwels
Rok vydání:	1975
Předmět:	chemistry.chemical_compound chemistry Physiology Radiochemistry Genetics Cell Biology Plant Science General Medicine Phosphate Yeast
Zdroj:	Physiologia Plantarum. 33:8-12
ISSN:	1399-3054 0031-9317
DOI:	10.1111/j.1399-3054.1975.tb03755.x
Popis:	It has been shown that addition of phosphate to phosphate deficient yeast gives rise to an immediate increase in the rate of Na+ uptake and an immediate decrease in the rate of Rb+ uptake. In addition, phosphate uptake is enhanced specifically by Na ions presumably by a process with a very high affinity for phosphate with a Km of about 2 × 10−6M at pH 7.2, whereas the Km for phosphate uptake of the Na+ independent process amounts to 1.3 × 10−4M.
Databáze:	OpenAIRE
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