DNA repair

Cultural  

1. The way in which a cell corrects potentially damaging or mutagenic errors in its DNA. (See mutagen.) DNA bases may be directly replaced by enzymes, or part of a strand may be replaced by enzymes using its opposite, paired strand as a template.

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Example Sentences

"DNA repair is one of the most fundamental processes in biology," said lead investigator Muralidhar L. Hegde, Ph.D., professor of neurosurgery at the Houston Methodist Research Institute's Center for Neuroregeneration.

From Science Daily • Mar. 15, 2026

In contrast, the same enzyme in mice and humans can actually hinder DNA repair.

From Science Daily • Oct. 20, 2025

A new study of the bizarre naked mole rat shows that the animals have evolved a DNA repair mechanism that could explain their longevity.

From BBC • Oct. 9, 2025

Professor Gabriel Balmus studies DNA repair and ageing at the University of Cambridge.

From BBC • Oct. 9, 2025

“We see a lot of genes for DNA repair get activated, like the body is detecting some of the damage and then repairing that damage, which is a normal adaptive response.”

From Salon • Mar. 15, 2025