Journal
SEMINARS IN CELL & DEVELOPMENTAL BIOLOGY
Volume 96, Issue -, Pages 107-114Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.semcdb.2019.04.012
Keywords
CRISPR/Cas system; Gene editing technology; Targeted gene manipulation; Crop improvement
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Funding
- National Research Council of Canada Aquatic and Crop Resource Development Research Centre [56434]
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The ability to create desirable gene variants through targeted changes offers tremendous opportunities for the advancement of basic and applied plant research. Gene editing technologies have opened new avenues to perform such precise gene modifications in diverse biological systems. These technologies use sequence-specific nucleases, such as homing endonucleases, zinc-finger nucleases, transcription activator-like effector nucleases (TALENs) and clustered regularly interspaced short palindromic repeats (CRISPR)-associated protein (CRISPR/Cas) complexes to enable targeted genetic manipulations. Among these, the CRISPR/Cas system has emerged as a broadly applicable and valued gene editing system for its ease of use and versatility. The adaptability of the CRISPR/Cas system has facilitated rapid and continuous innovative developments to the precision and applications of this technology, since its introduction less than a decade ago. Although developed in animal systems, the simple and elegant CRISPR/Cas gene editing technology has quickly been embraced by plant researchers. From early demonstration in model plants, the CRISPR/Cas system has been successfully adapted for various crop species and enabled targeting of agronomically important traits. Although the approach faces several efficiency and delivery related challenges, especially in recalcitrant crop species, continuous advances in the CRISPR/Cas system to address these limitations are being made. In this review, we discuss the CRISPR/Cas technology, its myriad applications and their prospects for crop improvement.
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