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Astronauts successfully demonstrate DNA repair in space using CRISPR technology
The experiment could aid long-duration human space travel.
www.space.com
NASA astronaut Christina Koch working on the Genes In Space-6 experiment on the International Space Station. (Image credit: NASA)
The first CRISPR experiment to take place in space shows that DNA can repair itself in microgravity.
As part of the "Genes In Space-6" experiment, astronauts on board the International Space Station (ISS) created breaks in the DNA of a common yeast, and then analyzed how it repaired itself.
During the investigation, the yeast's DNA was cut across both strands to create significant damage. In a recent paper published in the journal PLOS One, researchers explained how the DNA was restored to its original order.
The introduction of CRISPR in space and the first successful genome manipulation on the ISS extends the possibilities for future DNA repair experiments, researchers said.