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INVOLVEMENT OF CATALASE IN SACCHAROMYCES CEREVISIAE HORMETIC RESPONSE TO HYDROGEN PEROXIDE

Journal: Journal of Vasyl Stefanyk Precarpathian National University (Vol.2, No. 1)

Publication Date:

Authors : ; ; ;

Page : 107-114

Keywords : yeast; hormesis; hydrogen peroxide; reproductive ability; catalase.;

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Abstract

In this study, we investigated the relationship between catalase activity and H2O2-induced hormetic response in budding yeast S. cerevisiae. In general, our data suggest that: (i) hydrogen peroxide induces hormesis in a concentration- and time-dependent manner; and (ii) the effect of hydrogen peroxide on yeast colony growth positively correlates with the activity of catalase that suggests the enzyme involvement in overall H2O2-induced stress response and hormetic response in yeast.

Last modified: 2015-08-04 01:35:15