Researchers at MIT have engineered changes to the CRISPR-Cas9 gene editing system that significantly reduce “off-target” editing errors. In addition, a new enzyme, eSpCas9, will be useful for DNA editing requiring a high level of specificity.
 
   
  Researchers at MIT have engineered changes to the CRISPR-Cas9 gene editing system that significantly reduce “off-target” editing errors. In addition, a new enzyme, eSpCas9, will be useful for DNA editing requiring a high level of specificity.