CRISPR: The Biggest Revolution in Gene Editing - The Next Generation

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What is CRISPR

CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) technology is a simple but powerful tool for genome editing. This tool enables life science researchers to easily edit DNA sequences and modify gene function. It has many potential applications include correcting genetic defects, treating and preventing the spread of diseases and improving crops.

By delivering the CRISPR enzyme Cas9 nuclease coupled with synthetic guide RNA (gRNA) into a cell, the cell's genome can be cut at a desired location, that allows existing genes to be removed or add new ones.

Applications

CRISPR Gene Editing

CRISPR technology has been applied in the food and farming industries to engineer probiotic cultures and to immunize industrial cultures (for yogurt, for instance) versus infections. It is also being used in crops to enhance yield, drought tolerance and nutritional homes.

CRISPR as Diagnostic Tool

CRISPR associated nucleases have shown to be useful as a tool for molecular testing due to their ability to specifically target nucleic acid sequences in a high background of non-target sequences. In 2016, the Cas9 nuclease was used to deplete unwanted nucleotide sequences in next-generation sequencing libraries while requiring only 250 pg of initial RNA input. Beginning in 2017, CRISPR associated nucleases were also used for direct diagnostic testing, down to single molecule sensitivity.

The Future of CRISPR

Of course, any new technology takes some time to understand and perfect. It will be important to verify that a particular guide RNA is specific for its target gene, so that the CRISPR system does not mistakenly attack other genes. It will also be important to find a way to deliver CRISPR therapies into the body before they can become widely used in medicine. Although a lot remains to be discovered, there is no doubt that CRISPR has become a valuable tool in research. In fact, there is enough excitement in the field to warrant the launch of several Biotech start-ups that hope to use CRISPR-inspired technology to treat human diseases.