CRISPR gene editing trial treats inherited blindness
Researchers used a CRISPR-Cas9 tool to restore vision in adults and children with congenital blindness. They say they hope to cure..
Deutsche Welle
CRISPR
Family of DNA sequence found in prokaryotic organisms
CRISPR is a family of DNA sequences found in the genomes of prokaryotic organisms such as bacteria and archaea. These sequences are derived from DNA fragments of bacteriophages that had previously infected the prokaryote. They are used to detect and destroy DNA from similar bacteriophages during subsequent infections. Hence these sequences play a key role in the antiviral defense system of prokaryotes and provide a form of acquired immunity. CRISPR is found in approximately 50% of sequenced bacterial genomes and nearly 90% of sequenced archaea.
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