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Abstract Title:

Biochemical and biomolecular effects induced by a static magnetic field in Saccharomyces cerevisiae: Evidence for oxidative stress.

Abstract Source:

PLoS One. 2019 ;14(1):e0209843. Epub 2019 Jan 4. PMID: 30608963

Abstract Author(s):

Ameni Kthiri, Slah Hidouri, Tahri Wiem, Roua Jeridi, David Sheehan, Ahmed Landouls

Article Affiliation:

Ameni Kthiri

Abstract:

Exposure to static magnetic fields (SMF) can cause changes in microorganism metabolism altering key subcellular functions. The purpose of this study was to investigate whether an applied SMF could induce biological effects on growth of Saccharomyces cerevisiae, and then to probe biochemical and bio-molecular responses. We found a decrease in growth and viability under SMF (250mT) after 6h with a significant decrease in colony forming units followed by an increase between 6 h and 9 h. Moreover, measurements of antioxidant enzyme activities (catalase, superoxide dismutase, glutathione peroxidase) demonstrated a particular profile suggesting oxidative stress. For instance, SOD and catalase activities increased in magnetized cultures after 9 h compared with unexposed samples. However, SMF exposure caused a decrease in glutathione peroxidase activity. Finally, SMF caused an increase in MDA levels as well as the content of protein carbonyl groups after 6 and 9 h of exposure.

Study Type : In Vitro Study
Additional Links
Adverse Pharmacological Actions : Oxidant : CK(122) : AC(48)

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