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Updated: Aug 5, 2026

Two- and Three-Dimensional Live Cell Imaging of DNA Damage Response Proteins
Published on: September 28, 2012
CRISPR-based live-cell DNA imaging: Technologies, biological insights and future perspectives
Yutong Liu1, Lei Feng1, Jinming Li2
1National Center for Clinical Laboratories, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, PR China; Peking University Fifth School of Clinical Medicine, Beijing, PR China; Beijing Hospital/ National Center of Gerontology, PR China.
Live-cell DNA imaging, powered by CRISPR/Cas, offers real-time genome insights. This review covers advancements in visualizing DNA and its impact on understanding replication, repair, and chromatin organization.
Area of Science:
- Molecular Biology
- Genetics
- Cell Biology
Background:
- Live-cell DNA imaging allows real-time observation of genome dynamics.
- The clustered regularly interspaced short palindromic repeats/CRISPR-associated protein (CRISPR/Cas) system has significantly advanced this field.
- Current research focuses on visualizing non-repetitive DNA loci and multicolor imaging.
Purpose of the Study:
- To review progress in live-cell DNA imaging technologies.
- To highlight biological insights gained from these imaging techniques.
- To discuss future trends and potential impacts of live-cell DNA imaging.
Main Methods:
- Review of advancements in non-repetitive loci visualization.
- Review of progress in multicolor live-cell DNA imaging.
- Synthesis of biological findings enabled by these imaging methods.
Main Results:
- Live-cell DNA imaging has evolved significantly, particularly with CRISPR/Cas.
- Key biological processes like DNA replication, repair, chromatin organization, and viral genome dynamics are now observable in real-time.
- Extrachromosomal DNA and epigenetic regulation are also areas benefiting from these techniques.
Conclusions:
- Live-cell DNA imaging is a powerful tool for understanding genome behavior.
- Continued technological development promises further breakthroughs in biotechnology and biomedical research.
- Future trends point towards enhanced resolution, multiplexing, and broader biological applications.
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