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1

Baker's yeast as a tool for the development of antifungal kinase inhibitors - targeting protein kinase C and the cell integrity pathway

100%
Heinisch J. J.
Cellular and Molecular Biology Letters
|
2005
|
tom 10
|
nr Suppl.2
2

An attempt to localise magnesium in the cells of baker's yeasts Saccharomyces cerevisiae No.102 supplemented with this element

84%
Blazejak S., Duszkiewicz-Reinhard W., Gniewosz M., Gorski K.
Electronic Journal of Polish Agricultural Universities. Series Food Science and Technology
|
2003
|
tom 06
|
nr 2
The study aimed at determining which part of magnesium permanently bound with baker’s yeasts S. cerevisiae No. 102 during batch culture in control (YPD) and experimental medium (YPD with the addition of magnesium) remains in the cell wall and which undergoes intracellular bio-accumulation. The experimental media were supplemented with the amount of MgCl2*6H2O providing 1.25 g/dm3 content of Mg2+ ions. The cultures were run for 24 h at 28°C in a reciprocating shaker which provided aerobic conditions of the process. The application of enzymatic protoplastisation and mechanical disintegration of the yeast cells (at a temperature of liquid nitrogen) enabled determination of the contents of magnesium and total protein in both cell walls and protoplasts.
3

Effect of metal ions on the selected characteristics of baker's yeast Saccharomyces cerevisiae

84%
Tuszynski T.
Polish Journal of Food and Nutrition Sciences
|
2001
|
tom 10
|
nr 2
The present study investigated the effect of Ca2+, Mg2+, Zn2+, Mn2+, Co2+ and Cu2+ on protein and trehalose synthesis, fermentation activity and biomass yield in two strains of baker's yeast Saccharomyces cerevisiae cultured on synthetic Rose's medium. The experiments showed an increase in trehalose content (by 15-60%) and fermentation activity (by 20-50%) in yeast cultured on the medium supplemented with Mg2+, Zn2+ and Mn2+. Ion pairs, and especially Zn2+ and Mn2+, exerted positive synergistic action on fermentation activity and volume of trehalose synthesis. The addition of Mn2+ or Zn2+ (10-20 µM) to the medium reduced negative effects of the increased concentrations of Cu2+ and Co2+ on the cells of the tested yeast.
4
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The effect of substrate feeding on the physiological characteristics and the trehalose content in Saccharomyces cerevisiae

84%
Szopa J. S., Zwolinski G., Kowal K., Kunicka A., Dobrowolska I.
Polish Journal of Food and Nutrition Sciences
|
1992
|
tom 01
|
nr 2
5

Produkty innowacyjne wizytówką GRADOS

59%
Przemysł Fermentacyjny i Owocowo-Warzywny
|
2009
|
tom 53
|
nr 03
6

Activation of the baker's yeast autolysis

59%
Stecka K., Komorowska A., Mrowka E., Grzybowski R.
Polish Journal of Food and Nutrition Sciences
|
1999
|
tom 08
|
nr 2
The activation effect of baker's yeast Saccharomyces cerevisiae autolysis was examined under standard conditions with addition of certain compounds: organic acids, vitamins, sugars, inorganic salts, ethanol, and their mixtures. The efficiency of autolysis in the presence of mixed activators (glucose/ethanol/sodium chloride in the concentration of 0.5/1.0/1% by wt.), increased by 50%, or by 80% when 0.15% chitosan solution was applied. These figures are related to the amount of protein expelled in spontaneous autolysis. The highest increase of protein liberated from yeast cells, above 100%, was obtained when the process was activated with organic acids at the concentration of 0.5%.
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