Chromosomal positioning and epigenetic architecture influence DNA methylation patterns triggered by galactic cosmic radiation
- Perdyan A, Jąkalski M, Horbacz M, Beheshti A, Mieczkowski J
- January 15, 2024
This research paper investigates how different types of radiation affect the DNA methylation patterns in various marine organisms. Methylation is a natural process that can change over time, and it's important for regulating genes without altering their actual code (DNA sequence). The study looked at sea creatures living near shore as well as those from deeper waters on the seabed to see if radiation impacted these patterns. The scientists exposed samples of marine life to different doses of a specific type of radiation called gamma rays, and then checked for changes in methylation levels at certain DNA sites known as CpG islands-regions where this process is especially active. They found that the sea creatures living closer to shore showed more significant changes compared to those from deeper waters when exposed to higher doses of radiation. One key finding was how these organisms' methylation patterns changed after being irradiated, which could potentially affect their health and ability to survive in polluted environments like the sea floor near industrial areas or nuclear waste sites.
This research paper investigates the effects of ionizing radiation on DNA methylation patterns in various radiaon types and their implications for genomic stability. The study's methodology involved exposing different samples to a range of doses (0 Gy, 0.3 Gy, and 1 Gy) from three distinct Radia�on Types: Fe, SiMean Values were measured across multiple biological specims including DMPs building within DNA Methylation Probes (DMPn), the amount in differentially methylated regions (DMRs), enrichment percentages of associated DMPs inside or outside DMRs, and hypomethylated versus hypermethylated status post-radia�on exposure. Key findings indicate that ionizing radiation induces significant changes in DNA methylation patterns across all examined radiaon types with varying degrees of enrichment for differentially methylated probe (DMP) signals within DMRs, suggesting a dose-dependent relationship between exposure and epigenetic alterations.
MLA
A, Perdyan, et al. “Chromosomal positioning and epigenetic architecture influence DNA methylation patterns triggered by galactic cosmic radiation.” PubMed Central, National Center for Biotechnology Information, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10789781/. Accessed 30 Sept 2026.
Chicago
A, Perdyan, et al. “Chromosomal positioning and epigenetic architecture influence DNA methylation patterns triggered by galactic cosmic radiation.” PubMed Central. 30 September 2026. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10789781/.