Anhydrobiosis in yeast: activation effect

Intracellular substances released into the medium during rehydration of dry yeast cells can significantly improve the quality of a synthetic medium. Acceleration of yeast growth in this medium and increased yield of biomass are observed simultaneously. The change in the molecular arrangement of intr...

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Bibliographic Details
Published in:Brazilian journal of medical and biological research 1997-01, Vol.30 (1), p.9-13
Main Authors: Rapoport, A I, Khroustalyova, G M, Kuklina, E N
Format: Article
Language:English
Subjects:
anhydrobiosis
BIOLOGY
dehydration-rehydration
MEDICINE, RESEARCH & EXPERIMENTAL
plasma membrane molecular organization
Rehydration Solutions
Water - physiology
yeasts
Yeasts - physiology
Yeasts - ultrastructure
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Summary:Intracellular substances released into the medium during rehydration of dry yeast cells can significantly improve the quality of a synthetic medium. Acceleration of yeast growth in this medium and increased yield of biomass are observed simultaneously. The change in the molecular arrangement of intracellular membranes as a result of the strong dehydration of live organisms is a negative phenomenon that reduces the level of cell viability. However, this phenomenon also represents an adaptive mechanisms which facilitates the maintenance of population viability as a whole under extreme environmental conditions.
ISSN:0100-879X
1414-431X
0100-879X
1414-431X
DOI:10.1590/S0100-879X1997000100002