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RSS FeedsIJMS, Vol. 23, Pages 5755: Application of CRISPR/CasΦ2 System for Genome Editing in Plants (International Journal of Molecular Sciences)

 
 

20 may 2022 16:49:25

 
IJMS, Vol. 23, Pages 5755: Application of CRISPR/CasΦ2 System for Genome Editing in Plants (International Journal of Molecular Sciences)
 


CRISPR/Cas system has developed a new technology to modify target genes. In this study, CasΦ2 is a newly Cas protein that we used for genome modification in Arabidopsis and tobacco. PDS and BRI1 of marker genes were chosen for targeting. CasΦ2 has the function to cleave pre-crRNA. In the presence of 10 mM Mg2+ irons concentration, sgRNA3 type guided CasΦ2 to edit target gene and generate mutation, and a mutant seedling of AtBRI1 gene with an expected male sterile phenotype was obtained. In the process of tobacco transformation, the gene editing activity of CasΦ2 can be activated by 100 nM Mg2+ irons concentration, and sgRNA1 type guided CasΦ2 to edit target gene. Mutant seedlings of NtPDS gene with an expected albino were obtained. The results indicate that CasΦ2 can effectively edit target genes under the guidance of different sgRNA type in the presence of Mg2+ ions. Together, our results verify that the CRISPR/CasΦ2 system is an effective and precise tool for genome editing in plants.


 
96 viewsCategory: Biochemistry, Biophysics, Molecular Biology
 
IJMS, Vol. 23, Pages 5749: Crosstalk between the Arabidopsis Glutathione Peroxidase-Like 5 Isoenzyme (AtGPXL5) and Ethylene (International Journal of Molecular Sciences)
IJMS, Vol. 23, Pages 5756: The Role of Microbiota in the Immunopathogenesis of Endometrial Cancer (International Journal of Molecular Sciences)
 
 
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