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DNA repair

Cultural

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.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The study Longitudinal assessment of DNA repair signature trajectory in prodromal versus established Parkinson's disease has been published in npj Parkinson's Disease.

From Science Daily • Jan. 29, 2026

More than 1,300 genes shifted their activity, including genes involved in DNA repair, energy production, and cancer cell growth.

From Science Daily • Jan. 8, 2026

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

From BBC • Oct. 9, 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

“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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023