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Scientists capture stunning real-time images of DNA damage and repair

Scientists have created a live-cell DNA sensor that reveals how damage appears and disappears inside living cells, capturing the entire repair sequence as it unfolds. Instead of freezing cells at different points, researchers can now watch damage flare up, track repair proteins rushing to the site, and see the moment the DNA is restored. Built from a natural protein that binds gently and briefly to damaged DNA, the sensor offers a true-to-life view of the cell’s internal emergency response.

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