Author:
Begemann Matthew B.,Gray Benjamin N.,January Emma,Singer Anna,Kesler Dylan C.,He Yonghua,Liu Haijun,Guo Hongjie,Jordan Alex,Brutnell Thomas P.,Mockler Todd C.,Oufattole Mohammed
Abstract
CRISPR-based genome editing is an enabling technology with potential to dramatically transform multiple industries. Identification of additional editing tools will be imperative for broad adoption and application of this technology. A novel Type V, Class 2 CRISPR nuclease system was identified from Microgenomates and Smithella bacterial species (CRISPR from Microgenomates and Smithella, Cms1). This system was shown to efficiently generate indel mutations in the major crop plant rice (Oryza sativa). Cms1 are distinct from other Type V nucleases, are smaller than most other CRISPR nucleases, do not require a tracrRNA, and have an AT-rich protospacer-adjacent motif site requirement. A total of four novel Cms1 nucleases across multiple bacterial species were shown to be functional in a eukaryotic system. This is a major expansion of the Type V CRISPR effector protein toolbox and increases the diversity of options available to researchers.
Publisher
Cold Spring Harbor Laboratory
Cited by
17 articles.
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