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A newly described form of stress triggers in cells a response that leads to a longer life, according to a study that opens up the possibility of new ways to intervene in human ageing and promote longevity.
New study unravels complete sequence of DNA repair mechanism Every living organism has DNA, and every living organism engages in DNA replication, the process by which DNA makes an exact copy of itself during cell division. While it's a tried-and-true process, problems can arise. Break-induced replication (BIR) is a way to solve those problems. In humans, it is employed chiefly to repair breaks in DNA that cannot be fixed otherwise. Yet BIR itself, through its repairs to DNA and how it conducts those repairs, can introduce or cause genomic rearrangements and mutations contributing to cancer de...
Biologists unravel full sequence of DNA repair mechanism Biologists unravel full sequence of DNA repair mechanism Photo by Daniil Kuzelev/Unsplash. By: Richard C. Lewis | 2021.01.25 | 10:02 am Every living organism has DNA, and every living organism engages in DNA replication, the process by which DNA makes an exact copy of itself during cell division. While it’s a tried-and-true process, problems can arise. Break-induced replication (BIR) is a way to solve those problems. In humans, it is employed chiefly to repair breaks in DNA that cannot be fixed otherwise. ...