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Geotrichum candidum is a yeast-like fungus used as ripening starter in cheese making. The present study focused on chemical stress pretreatments affecting survival of G. candidum ATCC 204307 to freeze-thaw stress. Cryotolerance of G. candidum cells was induced by pretreatment with NaCl, CaCl 2 , or MgCl 2 , indicating heterologous phenotypic adaptation to freeze-thaw stress (-20 to...
This study was conducted to investigate the ability of cryoprotective chemicals to induce phenotypic cryoadaptation in Lactobacillus delbrueckii ssp. bulgaricus CIP 101027T. Tolerance to negative temperature stress (freezing at −20°C and thawing at 37°C) was induced by pretreatment with Me2SO, glycerol, lactose, sucrose, and trehalose. Interestingly, Me2SO has a significantly greater cryoprotective...
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