The Role of Host Cell DNA Methylation in the Immune Response to Bacterial Infection

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Abstract

Host cells undergo complex transcriptional reprogramming upon infection. Epigenetic changes play a key role in the immune response to bacteria, among which DNA modifications that include methylation have received much attention in recent years. The extent of DNA methylation is well known to regulate gene expression. Whilst historically DNA methylation was considered to be a stable epigenetic modification, accumulating evidence indicates that DNA methylation patterns can be altered rapidly upon exposure of cells to changing environments and pathogens. Furthermore, the action of proteins regulating DNA methylation, particularly DNA methyltransferases and ten-eleven translocation methylcytosine dioxygenases, may be modulated, at least in part, by bacteria. This review discusses the principles of DNA methylation, and recent insights about the regulation of host DNA methylation during bacterial infection.

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Qin, W., Scicluna, B. P., & van der Poll, T. (2021, July 29). The Role of Host Cell DNA Methylation in the Immune Response to Bacterial Infection. Frontiers in Immunology. Frontiers Media S.A. https://doi.org/10.3389/fimmu.2021.696280

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