{"title":"CRISPR-Cas9 Protocol for Efficient Gene Knockout and Transgene-free Plant Generation.","authors":"Enzo A Perk, Ana M Laxalt, Ignacio Cerrudo","doi":"10.21769/BioProtoc.5012","DOIUrl":null,"url":null,"abstract":"<p><p>Gene editing technologies have revolutionized plant molecular biology, providing powerful tools for precise gene manipulation for understanding function and enhancing or modifying agronomically relevant traits. Among these technologies, the CRISPR-Cas9 system has emerged as a versatile and widely accepted strategy for targeted gene manipulation. This protocol provides detailed, step-by-step instructions for implementing CRISPR-Cas9 genome editing in tomato plants, with a specific focus in generating knockout lines for a target gene. For that, the guide RNA should preferentially be designed within the first exon downstream and closer to the start codon. The edited plants obtained are free of transgene cassette for expression of the CRISPR-Cas9 machinery. Key features • Two sgRNAs employed. • Takes 6-12 months to have an edited transgene-free plant. • Setup in tomato.</p>","PeriodicalId":1,"journal":{"name":"Accounts of Chemical Research","volume":null,"pages":null},"PeriodicalIF":16.4000,"publicationDate":"2024-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11166535/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Accounts of Chemical Research","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.21769/BioProtoc.5012","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
Gene editing technologies have revolutionized plant molecular biology, providing powerful tools for precise gene manipulation for understanding function and enhancing or modifying agronomically relevant traits. Among these technologies, the CRISPR-Cas9 system has emerged as a versatile and widely accepted strategy for targeted gene manipulation. This protocol provides detailed, step-by-step instructions for implementing CRISPR-Cas9 genome editing in tomato plants, with a specific focus in generating knockout lines for a target gene. For that, the guide RNA should preferentially be designed within the first exon downstream and closer to the start codon. The edited plants obtained are free of transgene cassette for expression of the CRISPR-Cas9 machinery. Key features • Two sgRNAs employed. • Takes 6-12 months to have an edited transgene-free plant. • Setup in tomato.
期刊介绍：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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