Abstract
CRISPR/Cas9 system has significant advantages in gene editing strategy, offering cost-effective and efficient means to modify and edit the genomes of animals, plants, and microorganisms. Three-dimensional (3D) genome is an emerging and interdisciplinary field catapulted by combined technological breakthroughs of chromosome conformation capture with next-generation sequencing and live imaging with super-resolution microscopy. An important aspect of 3D genomics is to model structural variations and label specific genomic fragments to investigate the effects of manipulation of genomic elements on gene expression regulation, cell development and differentiation, and spatial location of chromosomal regions. Therefore, CRISPR/Cas9 system and its derivative technologies of DNA-fragment editing are excellent toolboxes for investigating dynamics and functions of the higher-order chromatin organization and three-dimensional genome structure. In this review, we describe the opportunities and challenges of CRISPR as well as its derivative technologies in 3D genome research, thereby providing some critical references and future research directions in the field.
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