Application of CRISPR/Cas9 mediated gene editing in trees

Yi chuan = Hereditas
Ying Nan Chen, Jing Lu

Abstract

The CRISPR/Cas9 system, which can induce precise modifications at a target gene, has been recognized as the most promising gene editing technology, and has played an important role in precision crop breeding. It also provides a new strategy for fundamental researches and molecular breeding of forest trees. Recently, CRISPR/Cas9-mediated gene editing has been applied more extensively in tree genetic studies. It has not only succeeded in developing new drought- resistance or disease-resistant cultivars, but also shows a great potential in regulating lignin biosynthesis and shortening the breeding cycle of forest trees. In this review, we summarize the application and advance of CRISPR/Cas9 in gene function identification and genetic improvement of forest plants. We also discuss the related problems and future perspectives. This review aims to provide a useful reference for tree functional genomics and genetic engineering breeding.

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