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CRISPR01:59

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Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced...
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Bacteria and archaea are susceptible to viral infections just like eukaryotes; therefore, they have developed a unique adaptive immune system to protect themselves. Clustered regularly interspaced short palindromic repeats and CRISPR-associated proteins (CRISPR-Cas) are present in more than 45% of known bacteria and 90% of known archaea.
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The CRISPR-Cas system serves as a bacterial defense mechanism against invading genetic elements such as viruses and plasmids, forming the foundation for its adaptation as a powerful genome-editing tool. Originally discovered in prokaryotes, this system has been repurposed to revolutionize genetic engineering across a wide range of organisms, including plants, animals, and humans. The core component, Cas9, is an endonuclease derived from Streptococcus pyogenes, capable of introducing...
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Updated: Mar 28, 2026

Genome-Wide CRISPR Screen for Unveiling Radiosensitive and Radioresistant Genes
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Advanced CRISPR Technologies for RNA Imaging in Live Cells.

Xiaoyu Lv1,2,3, Zhixing Li1,2,3, Hongzheng Zheng2,3

  • 1Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310013, China.

Chemical & Biomedical Imaging
|March 27, 2026
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Summary

CRISPR technology revolutionizes live-cell RNA imaging, overcoming limitations of traditional methods like FISH. This advanced tool offers high specificity and signal amplification for observing RNA dynamics in living cells.

Keywords:
CRISPR technologyCas12aCas13RNA imagingRNA trackingdCas systemfluorescent RNA aptamersfluorescent proteinlive cell imaging

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Area of Science:

  • Molecular Biology
  • Genetics
  • Biotechnology

Background:

  • RNA is crucial for gene expression regulation.
  • Traditional RNA imaging methods (FISH, MS2-GFP) have limitations in live-cell studies.
  • Monitoring RNA spatiotemporal dynamics is key to understanding biology and disease.

Purpose of the Study:

  • To review recent advances in CRISPR-based live-cell RNA imaging.
  • To highlight the principles, advantages, and applications of CRISPR for RNA visualization.
  • To address the limitations of conventional RNA imaging techniques.

Main Methods:

  • CRISPR technology for targeted RNA labeling.
  • Signal amplification strategies.
  • Live-cell imaging techniques.

Main Results:

  • CRISPR offers high target specificity for RNA.
  • CRISPR systems provide signal amplification for enhanced visualization.
  • CRISPR is compatible with living systems, enabling dynamic RNA studies.

Conclusions:

  • CRISPR-based RNA imaging overcomes limitations of traditional methods.
  • This technology facilitates unprecedented insights into RNA behavior in living cells.
  • CRISPR represents a powerful advancement for live-cell RNA research and disease mechanism studies.