Erfðamengi útgáfa er nákvæm miðuð breytingar á kirnisröð úr genamenginu.

Í tilviki CRISPR / Cas9, a fylgja RNA tekur sæti á DNA-tengi prótini, therefore simplifying the process. CRISPR stands forClustered Regularly Interspaced Short Palindromic Repeats (CRISPR)”.

The CRISPR/Cas9 system is based on a bacterial defense system against foreign DNA (e.g. veirur), whereby an RNA guided nuclease makes highly targeted cuts in the genome.

The CRISPR-Cas9 complex consists of (sjá mynd hér fyrir neðan)

  • a Cas9 protein (Cas9 stendur fyrir “CRISPR tengd)
  • einn handbók RNA (sgRNA)

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