Guide RNA
Subtype of RNA involved in nucleic acids editing / From Wikipedia, the free encyclopedia
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Guide RNA (gRNA) or single guide RNA (sgRNA) is a short sequence of RNA that functions as a guide for the Cas9-endonuclease or other Cas-proteins[1] that cut the double-stranded DNA and thereby can be used for gene editing.[2] In bacteria and archaea, gRNAs are a part of the CRISPR-Cas system that serves as an adaptive immune defense that protects the organism from viruses. Here the short gRNAs serve as detectors of foreign DNA and direct the Cas-enzymes that degrades the foreign nucleic acid.[1][3]
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