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Catalase, glutathione S-transferase and thioltransferase respond differently to oxidative stress in Schizosaccharomyces pombe

Authors
Cho, YWPark, EHLim, CJ
Issue Date
31-Jul-2000
Publisher
SPRINGER-VERLAG SINGAPORE PTE LTD
Keywords
catalase; glutathione S-transferase; oxidative stress; Schizosaccharomyces pombe; thioltransferase
Citation
JOURNAL OF BIOCHEMISTRY AND MOLECULAR BIOLOGY, v.33, no.4, pp.344 - 348
Journal Title
JOURNAL OF BIOCHEMISTRY AND MOLECULAR BIOLOGY
Volume
33
Number
4
Start Page
344
End Page
348
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/16749
ISSN
1225-8687
Abstract
The logarithmically growing Schizosaccharomyces pombe cells were subjected to high heat (40 degrees C), hydrogen peroxide, and heavy metals such as mercuric chloride and cadmium chloride. Then, the stress responses of catalase, glutathione S-transferase and thioltransferase were investigated. The high heat and cadmium chloride enhanced the catalase activity. The glutathione S-transferase activity of S. pombe cells was increased after treatments with heavy metals. The thioltransferase activity of S. pombe cells was completely abolished by mercuric chloride, Hydrogen peroxide caused no effect on the activities of glutathione S-transferase and thioltransferase. These results suggest that the response of S, pombe cells against oxidative stress is very complicated.
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