![]() Students David Li, Aarthi Vijayakumar, Rebecca Li, and Michelle Sung, participants at NASA’s Genes in Space contest, proposed the experiment. ![]() ![]() The ISS astronauts used the CRISPR-Cas9 gene editing procedure to modify yeast DNA. ISS Astronauts Edited DNA Using CRISPR In Space For The First Time However, ISS astronauts are experiencing cosmic radiations over six months in space by 30 times higher than any other human on Earth. The ISS, for its part, is still under the protection of the Earth’s magnetosphere, even though it’s at an altitude of 408 kilometers. The most significant problem with space travel is the high amount of cosmic radiations that put astronaut’s lives at risk in the long term. We want to understand if DNA repair methods are different in space than on Earth,” explained Emily Gleason, a researcher at miniPCR Bio that is the firm that produced the DNA lab on the International Space Station. “The damage actually happens on the space station, and the analysis also happens in space. ![]() The results might shed more light on how space travel affects humans in future deep space missions. The focus of the study was not to come up with an improved species of yeast, but it was to analyze how the DNA repair mechanisms work in space. The achievement was made on the DNA of brewer’s yeast. Scientists achieved another feat, as ISS astronauts managed to edit DNA with CRISPR in space for the first time in history. ![]()
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