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Aug 25, 2024

Revealing DNA behavior in record time (w/video)

Posted by in categories: biotech/medical, innovation

“DNA, RNA and proteins are the key players to regulate all processes in the cells of our body,” Leiden Professor John van Noort explains. “To understand the (mis-)functioning of these molecules, it is essential to uncover how their 3D structure depends on their sequence and for this it is necessary to measure them one molecule at a time. However, single-molecule measurements are laborious and slow, and the number of possible sequence variations is massive.”

Now the team of scientists developed an innovative tool, called SPARXS (Single-molecule Parallel Analysis for Rapid eXploration of Sequence space), that allows for studying millions of DNA molecules simultaneously.

“Traditional techniques that allow one sequence to be probed at a time usually take hours of measurement time per sequence. With SPARXS, we can measure millions of molecules within a day to a week. Without SPARXS, such a measurement would take several years to decades,” says Delft Professor Chirlmin Joo.

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