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Related Experiment Video

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Efficient Gene Knockdown in the Liver via Intrasplenic Injection of Adeno-Associated Virus Serotype 8 (AAV8)-Delivered Small Hairpin RNA
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KOnezumi-AID: Automation Software for Efficient Multiplex Gene Knockout Using Target-AID.

Taito Taki1, Kento Morimoto2, Seiya Mizuno3

  • 1College of Biological Sciences, University of Tsukuba, Tsukuba 305-8572, Japan.

International Journal of Molecular Sciences
|January 8, 2025
PubMed
Summary

KOnezumi-AID is a new tool for designing guide RNAs (gRNAs) for Target-AID gene knockout. It enables efficient, simultaneous multi-gene editing without DNA breaks, advancing genome editing research.

Keywords:
CRISPRTarget-AIDbase editingbioinformaticsgene knockoutgenome editingmultiple base editingmultiple gene knockoutsoftware

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Area of Science:

  • Genomics
  • Molecular Biology
  • Bioinformatics

Background:

  • CRISPR-Cas9 enables efficient gene knockout but risks chromosomal rearrangements, hindering simultaneous multi-gene editing.
  • Base editors like Target-AID offer precise modifications without DNA double-strand breaks, addressing safety concerns.
  • Existing tools lack support for Target-AID-based simultaneous multi-gene knockout design.

Purpose of the Study:

  • To develop KOnezumi-AID, a command-line tool for designing guide RNAs (gRNAs) for Target-AID-mediated genome editing.
  • To facilitate simultaneous gene knockout by inducing premature termination codons or exon skipping.
  • To provide experiment-ready gRNA designs for mouse and human genomes.

Main Methods:

  • Developed KOnezumi-AID, a command-line tool for gRNA design.
  • Implemented algorithms to induce premature termination codons or promote exon skipping for gene knockout.
  • Enabled batch processing for large-scale genome editing and CRISPR screening.

Main Results:

  • KOnezumi-AID generates experiment-ready gRNA designs for Target-AID-mediated gene knockout.
  • The tool supports simultaneous knockout of multiple genes in mouse and human genomes.
  • Batch processing allows rapid and precise gRNA design for large-scale applications.

Conclusions:

  • KOnezumi-AID is an efficient and user-friendly tool for gRNA design in Target-AID genome editing.
  • It streamlines genome editing workflows, particularly for simultaneous multi-gene knockout.
  • The tool advances gene knockout research by providing a comprehensive solution for gRNA design.