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Scientists show how cells protect DNA from catastrophic damage

An international team of researchers led by Professor Jiri Lukas from the Novo Nordisk Foundation Center for Protein Research, University of Copenhagen have unveiled a process that explains how DNA can be damaged during genome replication, due to the lack of a critical protein. Cells need to keep their genomic DNA unharmed to stay healthy and the scientists were able to visualize the process of DNA replication and damage directly in cells with an unprecedented detail. They discovered a fundamental mechanism of how proteins protect chromosomes while DNA is being copied (a process called DNA replication), which relies on a protein called RPA. …