Effect of stress on the life span of the yeast Saccharomyces cerevisiae.

• Authors: Agata Święciło , Zdzisława Krawiec , Jarosław Wawryn , Grzegorz Bartosz , Tomasz Biliński
• Languages of publication: EN

Abstracts

EN

A correlation is known to exist in yeast and other organisms between the cellular resistance to stress and the life span. The aim of this study was to examine whether stress treatment does affect the generative life span of yeast cells. Both heat shock (38°C, 30 min) and osmotic stress (0.3 M NaCl, 1 h) applied cyclically were found to increase the mean and maximum life span of Saccharomyces cerevisiae. Both effects were more pronounced in superoxide dismutase-deficient yeast strains (up to 50% prolongation of mean life span and up to 30% prolongation of maximum life span) than in their wild-type counterparts. These data point to the importance of the antioxidant barrier in the stress-induced prolongation of yeast life span.

Keywords

EN

aging; osmotic stress; superoxide dismutase; catalase; Saccharomyces cerevisiae; heat shock; oxidative stress

• Journal: Acta Biochimica Polonica
• Year: 2000
• Volume: 47
• Issue: 2
• Pages: 355-364

Dates

published

2000

received

2000-01-31

accepted

2000-03-13

Contributors

author

Agata Święciło

• Zamość College of Agriculture, Szczebrzeska 102, 22-400 Zamość, Poland

author

Zdzisława Krawiec

• Zamość College of Agriculture, Szczebrzeska 102, 22-400 Zamość, Poland

author

Jarosław Wawryn

• Zamość College of Agriculture, Szczebrzeska 102, 22-400 Zamość, Poland

author

Grzegorz Bartosz

• Pedagogical University of Rzeszów, T. Rejtana 16, 35-310 Rzeszów, Poland

author

Tomasz Biliński

• Pedagogical University of Rzeszów, T. Rejtana 16, 35-310 Rzeszów, Poland

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