Stopgap DNA Repair Needs A Second Step

Genetic "mistakes" can occur following a certain form of error-prone DNA repair. Scientists have now revealed how this two-step process takes place. Understanding how this major form of DNA repair works can have significant clinical implications. Since defects in this process increase the risk of cancer, clarifying its nuts and bolts might one day make it possible to enhance it in people whose natural DNA repair is deficient.

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