THE EFFECT OF MAGNESIUM AND CALCIUM ON YEAST GROWTH
Open Access
- 4 March 1983
- journal article
- research article
- Published by Chartered Institute of Brewers and Distillers in Journal of the Institute of Brewing
- Vol. 89 (2) , 81-83
- https://doi.org/10.1002/j.2050-0416.1983.tb04151.x
Abstract
When inoculated into a defined minimal medium, yeast could not absorb all the magnesium, even if this element was limiting. The cells tended to absorb a constant amount of magnesium, ca 1·1 pg per cell, so long as the content of the medium was sufficient, rather than absorb magnesium in proportion to its initial concentration. Calcium competed with magnesium and prevented yeast growth almost entirely when present at a ten times excess. At a two to three times excess the effect was more on the length of the lag phase and mean generation time than on the total amount of growth.Keywords
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