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<p>The 3D architecture and dynamics of the genome are crucial for regulation of genome stability, transcription and cellular function. CRISPR-based live imaging technologies have enabled real-time visualization of specific genomic loci and transcripts in living cells. These tools harness customized guide RNAs and nuclease-deactivated Cas effectors to achieve precise genomic targeting, and recent methodological advances provide the 3D spatiotemporal resolution required to decipher real-time chromatin communication. These methods are elucidating the biophysical properties of chromatin, linking dynamic enhancer–promoter interactions directly to transcription, and revealing the role of 3D genome dynamics in basic cellular processes and disease. Here, we summarize the development of CRISPR-based live-cell imaging techniques, highlight the complementary 3D microscopy and analysis methods compatible with these methods, and offer perspectives on their applications to uncover fundamental principles that govern genome dynamics and function.</p>

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CRISPR–Cas-based live cell imaging of genome dynamics

  • 期刊论文

  • 发表日期：

    2026年4月8日

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  • Yanyu Zhu,
  • W. E. Moerner,
  • Lei S. Qi

摘要

The 3D architecture and dynamics of the genome are crucial for regulation of genome stability, transcription and cellular function. CRISPR-based live imaging technologies have enabled real-time visualization of specific genomic loci and transcripts in living cells. These tools harness customized guide RNAs and nuclease-deactivated Cas effectors to achieve precise genomic targeting, and recent methodological advances provide the 3D spatiotemporal resolution required to decipher real-time chromatin communication. These methods are elucidating the biophysical properties of chromatin, linking dynamic enhancer–promoter interactions directly to transcription, and revealing the role of 3D genome dynamics in basic cellular processes and disease. Here, we summarize the development of CRISPR-based live-cell imaging techniques, highlight the complementary 3D microscopy and analysis methods compatible with these methods, and offer perspectives on their applications to uncover fundamental principles that govern genome dynamics and function.