Induction of desiccation tolerance by osmotic treatment in Saccharomyces uvarum var. carlsbergensis. 1997

E C Eleutherio, and F M Maia, and M D Pereira, and R Degré, and D Cameron, and A D Panek
Departamento de Bioquímica, Universidade Federal do Rio de Janeiro, Brazil.

Saccharomyces uvarum var. carlsbergensis is heat sensitive and when dried by usual procedures exhibits very poor survival. Our results demonstrate that these cells are capable of accumulating trehalose when submitted to an osmotic treatment using 20% solutions of either sorbitol or dextrin endowing them with the capacity of surviving posterior dehydration.

UI MeSH Term Description Entries
D009997 Osmotic Pressure The pressure required to prevent the passage of solvent through a semipermeable membrane that separates a pure solvent from a solution of the solvent and solute or that separates different concentrations of a solution. It is proportional to the osmolality of the solution. Osmotic Shock,Hypertonic Shock,Hypertonic Stress,Hypotonic Shock,Hypotonic Stress,Osmotic Stress,Hypertonic Shocks,Hypertonic Stresses,Hypotonic Shocks,Hypotonic Stresses,Osmotic Pressures,Osmotic Shocks,Osmotic Stresses,Pressure, Osmotic,Pressures, Osmotic,Shock, Hypertonic,Shock, Hypotonic,Shock, Osmotic,Shocks, Hypertonic,Shocks, Hypotonic,Shocks, Osmotic,Stress, Hypertonic,Stress, Hypotonic,Stress, Osmotic,Stresses, Hypertonic,Stresses, Hypotonic,Stresses, Osmotic
D003890 Desiccation Removal of moisture from a substance (chemical, food, tissue, etc.). Dessication
D000222 Adaptation, Physiological The non-genetic biological changes of an organism in response to challenges in its ENVIRONMENT. Adaptation, Physiologic,Adaptations, Physiologic,Adaptations, Physiological,Adaptive Plasticity,Phenotypic Plasticity,Physiological Adaptation,Physiologic Adaptation,Physiologic Adaptations,Physiological Adaptations,Plasticity, Adaptive,Plasticity, Phenotypic
D012440 Saccharomyces A genus of ascomycetous fungi of the family Saccharomycetaceae, order SACCHAROMYCETALES. Saccharomyce
D014199 Trehalose

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