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Many applications in molecular ecology require the ability to match specific DNA sequences from single‐ or mixed‐species samples with a diagnostic reference library. Widely used methods for DNA barcoding and metabarcoding employ PCR and amplicon sequencing to identify taxa based on target sequences, but the target‐specific enrichment capabilities of CRISPR‐Cas systems may offer advantages in some...
New Findings
What is the topic of this review?
This review summarizes the development of gene editing from early proof‐of‐concept studies in the 1980s to contemporary programmable and RNA‐guided nucleases, which enable rapid and precise alteration of DNA sequences of almost any living cell.
What advances does it highlight?
With an average of one clustered regularly interspaced short palindromic...
Clustered regularly interspaced short palindromic repeats (CRISPR)–Cas9 technology is an important tool for genome editing because the Cas9 endonuclease can induce targeted DNA double‐strand breaks. Targeting of the DNA break is typically controlled by a single‐guide RNA (sgRNA), a chimeric RNA containing a structural segment important for Cas9 binding and a 20mer guide sequence that hybridizes to...
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