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Changes in the Level of DNA Methylation in Candida albicans under the Influence of Physical and Chemical Factors

The effects of physical factors such as radiation (electromagnetic, microwave, infrared, laser, UVC, and X-ray) and high temperature, as well as chemical factors (controlled atmosphere) on the level of global DNA cytosine methylation in C. albicans ATCC 10231 cells were investigated. Prolonged expos...

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Bibliographic Details
Published in:International journal of molecular sciences 2023-11, Vol.24 (21), p.15873
Main Authors: Gryzinska, Magdalena, Kot, Barbara, Dudzinska, Ewa, Biernasiuk, Anna, Jakubczak, Andrzej, Malm, Anna, Andraszek, Katarzyna
Format: Article
Language:English
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Summary:The effects of physical factors such as radiation (electromagnetic, microwave, infrared, laser, UVC, and X-ray) and high temperature, as well as chemical factors (controlled atmosphere) on the level of global DNA cytosine methylation in C. albicans ATCC 10231 cells were investigated. Prolonged exposure to each type of radiation significantly increased the DNA methylation level. In addition, the global methylation level in C. albicans cells increased with the incubation temperature. An increase in the percentage of methylated DNA was also noted in C. albicans cells cultured in an atmosphere with reduced O2. In contrast, in an atmosphere containing more than 3% CO2 and in anaerobic conditions, the DNA methylation level decreased relative to the control. This study showed that prolonged exposure to various types of radiation and high temperature as well as reduced O2 in the atmosphere caused a significant increase in the global DNA methylation level. This is most likely a response protecting DNA against damage, which at the same time can lead to epigenetic disorders, and in consequence can adversely affect the functioning of the organism.
ISSN:1422-0067
1661-6596
1422-0067
DOI:10.3390/ijms242115873