Noble Prizes in Chemistry (2020)

It was awarded jointly to Emmanuelle Charpentier and Jennifer A. Doudna for discovering the CRISPR-Cas9 genetic scissors, which allows scientists to ‘cut-paste’ inside a genetic sequence.

About the Discovery

  • tracrRNA: During Emmanuelle studies of streptococcus pyogenes, one of the bacteria that cause the most harm to humanity, she discovered a previously unknown molecule, tracrRNA. Further studies revealed that this tracrRNA was part of the bacteria’s immune system and it helps the bacteria destroy viral DNA.
  • REPROGRAMMED CRISPR-CAS9: Both succeeded in recreating the bacteria’s scissors and reprogramming it and then proved that they can now use these scissors to cut any ....
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