Scientists Reverse Engineer mRNA Sequence of Moderna Vaccine

Stanford University researchers determined the code from spare drops in discarded vials of the COVID-19 vaccine and published it on GitHub.

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Leftover drops in vials of Moderna’s COVID-19 vaccine allowed a group of researchers from Stanford University to determine the sequence of the mRNA for SARS-CoV-2’s spike protein that is used in the immunization, Motherboard reported March 29. The sequence has been posted on the open-access website GitHub.

“Sharing of sequence information for broadly used therapeutics has substantial benefit in design of improved clinical tools and precise diagnostics,” the authors write in their post. They explain that knowing the vaccine’s sequence will allow diagnostic labs to more easily differentiate between RNA from the vaccine versus that from an actual viral infection.

“As the vaccine has been rolling out, these sequences have begun to show up in many different investigational and diagnostic studies,” the researchers tell Motherboard by email. “Knowing these sequences and having the ability to differentiate them from other RNAs in analyzing future biomedical data sets ...

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Meet the Author

  • Lisa Winter

    Lisa Winter became social media editor for The Scientist in 2017. In addition to her duties on social media platforms, she also pens obituaries for the website. She graduated from Arizona State University, where she studied genetics, cell, and developmental biology.
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