Researchers watch the protein condensin in action.
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Researchers anchored a DNA strand to a quartz surface using streptavidin and watched as the protein complex condensin latched to the nucleic acid and formed loops. Contrary to previously established computational models of loop extrusion, which predicted that the two sides of the DNA strand would be reeled in simultaneously, findings from this study suggest that condensin anchors itself to a piece of DNA and reels in the other side.
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Diana is a freelance science journalist who covers the life sciences, health, and academic life. She’s a regular contributor to The Scientist and her work has appeared in several other publications, including Scientific American, Knowable, and Quanta. Diana was a former intern at The Scientist and she holds a master’s degree in neuroscience from McGill University. She’s currently based in Berlin, Germany.
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