Chinese Scientists Create New Genome Editing Method For Rice
Sumaira FH Published January 14, 2020 | 04:46 PM
Chinese scientists have invented a new method of genetically altering rice by applying the ScCas9 protein, which could help develop new gene functions, molecular breeding and genetic improvement
BEIJING, (APP - UrduPoint / Pakistan Point News - 14th Jan, 2020 ) :Chinese scientists have invented a new method of genetically altering rice by applying the ScCas9 protein, which could help develop new gene functions, molecular breeding and genetic improvement.
The innovation was made by a research team from the Institute of Plant Protection of the Chinese academy of Agricultural Sciences.
The method would enhance the CRISPR/Cas system, which has rapidly become the preferred tool for genome engineering due to its high efficiency, specificity, simplicity and versatility.
CRISPR/Cas-mediated base editing, a novel genome editing strategy, is widely used for generating gain-of-function germplasms in functional genomics research and genetic crop improvement, said researcher Zhou Huanbin.
However, the lack of recognition of a specific protospacer adjacent motif (PAM) - a DNA sequence next to the target sequence - for Cas protein restricts the targeting range of these tools and limits the application of the CRISPR system in genome editing, Zhou said.
A promising candidate, the ScCas9 protein, has been identified and characterized.
The research team found that ScCas9 can be used in multiplex genome editing and base editing in rice plants. ScCas9 nuclease and its derived editing tools expand the CRISPR toolbox for targeted genome editing in plants, said Zhou.
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