Plant genome editing made easy: targeted mutagenesis in model and crop plants using the CRISPR/Cas system
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TLDR
The CRISPR/Cas system allows targeted cleavage of genomic DNA guided by a customizable small noncoding RNA, resulting in gene modifications by both non-homologous end joining (NHEJ) and homology-directed repair (HDR) mechanisms.Abstract:
Targeted genome engineering (also known as genome editing) has emerged as an alternative to classical plant breeding and transgenic (GMO) methods to improve crop plants. Until recently, available tools for introducing site-specific double strand DNA breaks were restricted to zinc finger nucleases (ZFNs) and TAL effector nucleases (TALENs). However, these technologies have not been widely adopted by the plant research community due to complicated design and laborious assembly of specific DNA binding proteins for each target gene. Recently, an easier method has emerged based on the bacterial type II CRISPR (clustered regularly interspaced short palindromic repeats)/Cas (CRISPR-associated) immune system. The CRISPR/Cas system allows targeted cleavage of genomic DNA guided by a customizable small noncoding RNA, resulting in gene modifications by both non-homologous end joining (NHEJ) and homology-directed repair (HDR) mechanisms. In this review we summarize and discuss recent applications of the CRISPR/Cas technology in plants.read more
Citations
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CRISPR Primer Designer: Design primers for knockout and chromosome imaging CRISPR-Cas system
TL;DR: The CRISPR Primer Designer program has a user-friendly interface, can analyze the BLAST results by using multiple parameters, score for each candidate spacer, and generate the primers when using a certain plasmid.
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Genome editing of potato using CRISPR technologies: current development and future prospective
TL;DR: This review focuses on the endeavors, applications and prospects of CRISPR/Cas-based approaches in potato with the potential to increase sustainable crop productivity.
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Efficient and Heritable Targeted Mutagenesis in Mosses Using the CRISPR/Cas9 System.
TL;DR: The present study succeeds in introducing the CRISPR/Cas9 system into the non-model organism Scopelophila cataractae, a moss that exhibits heavy metal tolerance, and the model organism Physcomitrella patens, and reports that the method is capable of multiplex targeted mutagenesis (two independent genes) and also permits the efficient introduction of large deletions.
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CRISPR/Cas9 in rice can induce new mutations in later generations, leading to chimerism and unpredicted segregation of the targeted mutation
TL;DR: The results indicated that inherited Cas9 was still active in later generations and could induce new mutations in the progeny, leading to chimerism and unpredicted segregation, and it is concluded that Cas9 has to be eliminated by segregation in T1 to generate homozygous mutants without Chimerism or unpredictions.
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The Development of Herbicide Resistance Crop Plants Using CRISPR/Cas9-Mediated Gene Editing.
TL;DR: Recently developed clustered regularly interspaced short palindromic repeat and CRISPR-associated protein (CRISPR/Cas)-mediated genome editing techniques enable efficiently targeted modification and hold great potential in creating desired plants with herbicide resistance as discussed by the authors.
References
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Martin Jinek,Krzysztof Chylinski,Krzysztof Chylinski,Ines Fonfara,Michael H. Hauer,Jennifer A. Doudna,Emmanuelle Charpentier +6 more
TL;DR: This study reveals a family of endonucleases that use dual-RNAs for site-specific DNA cleavage and highlights the potential to exploit the system for RNA-programmable genome editing.
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Multiplex Genome Engineering Using CRISPR/Cas Systems
Le Cong,Le Cong,F. Ann Ran,F. Ann Ran,David M. Cox,David M. Cox,Shuailiang Lin,Shuailiang Lin,Robert P. J. Barretto,Naomi Habib,Patrick D. Hsu,Patrick D. Hsu,Xuebing Wu,Wenyan Jiang,Luciano A. Marraffini,Feng Zhang +15 more
TL;DR: The type II prokaryotic CRISPR (clustered regularly interspaced short palindromic repeats)/Cas adaptive immune system has been shown to facilitate RNA-guided site-specific DNA cleavage as discussed by the authors.
Multiplex Genome Engineering Using CRISPR/Cas Systems
Le Cong,F. A. Ran,David Benjamin Turitz Cox,Shuailiang Lin,Robert P. J. Barretto,Naomi Habib,Patrick D. Hsu,Xuebing Wu,Wenyan Jiang,Luciano A. Marraffini,Feng Zhang +10 more
TL;DR: Two different type II CRISPR/Cas systems are engineered and it is demonstrated that Cas9 nucleases can be directed by short RNAs to induce precise cleavage at endogenous genomic loci in human and mouse cells, demonstrating easy programmability and wide applicability of the RNA-guided nuclease technology.
Journal ArticleDOI
RNA-Guided Human Genome Engineering via Cas9
Prashant Mali,Luhan Yang,Kevin M. Esvelt,John Aach,Marc Güell,James E. DiCarlo,Julie E. Norville,George M. Church,George M. Church +8 more
TL;DR: The type II bacterial CRISPR system is engineer to function with custom guide RNA (gRNA) in human cells to establish an RNA-guided editing tool for facile, robust, and multiplexable human genome engineering.
Journal ArticleDOI
DNA targeting specificity of RNA-guided Cas9 nucleases
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TL;DR: In this article, the Streptococcus pyogenes Cas9 (SpCas9) nuclease can be efficiently targeted to genomic loci by means of single-guide RNAs (sgRNAs) to enable genome editing.