A review on advanced methods in plant gene targeting
2017
Sanagala, Raghavendrarao | Moola, Anil Kumar | Bollipo Diana, Ranjitha Kumari
Plant genetic engineering is one of the most significant tools implemented in the modern molecular crop breeding techniques. The conventional approaches of plant genetic transformation include Agrobacterium tumefaciens, particle bombardment, DNA uptake into protoplast. The transgenic events derived by these methods carry the transgenes that are integrated at random sites in the plant genome. Novel techniques that mediate integration of foreign genes at specific pre-determined locations circumvent many problems associated with the existing methods of gene transfer. The recent years have witnessed the emergence of gene targeting techniques by employing zinc finger nucleases (ZFNs), transcription activator-like effector nucleases (TALENs), and clustered regularly interspaced short palindrome repeats (CRISPR). The present review focuses on the various approaches and their performance of plant gene targeting and suggests future directions in the important areas of plant molecular biology.
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