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The Global Pipeline of GM Crops

Question 1. What is gene editing and how it is different from conventional plant Transgenesis?

Answer 1. Gene Editing: Gene editing which is also known as genome editing is the addition, removal, or replacement of part of double-stranded DNA in living organisms like bacteria, viruses, fungi, plants, and humans. In this method, a part of DNA is separated from its parent DNA strand and then it is replaced by a new strand of DNA. Several technologies have been designed to achieve gene editing including Zinc-Finger Nucleases (ZFNs), Transcription activator-like effector nucleases (TALENs), and Clustered regularly interspaced short palindromic repeats (CRISPR) associated protein 9 (Cas9) (Gaj, Sirk, Shui & Liu, 2016).

Gene editing involves the removal of DNA in the organism using specifically designed technologies and it is replaced by another DNA sequence by the host plant itself. It develops plants with specifically de....