World News: 18:02 GMT Wednesday 12th June 2019. [Yahoo Business News Feed via SPi World News]
For years, scientists have used a tool something like a pair of scissors for the complex task of gene-editing, but a newly discovered technique using 'jumping genes' could offer a seamless, safer alternative. A key tool for editing is the CRISPR-Cas9 process, which uses CRISPRs -- a part of the immune defence system in bacteria -- to locate a target in the DNA, and the protein Cas9 to 'snip' the DNA strand. Last year, a study found the technique was 'frequently' causing 'extensive' unintended gene mutations.
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