An amazing feature of eukaryotic nuclei is that as long as 2 meters of DNA in linear length (3 billion base pairs in humans) is packaged into a space of less than 10 žm a diameter, while the information stored in all regions of this stretch of DNA can still be very quickly (in minutes or seconds) and effectively retrieved. (This process is so effective and precise that it very likely outperforms the Google search engine!). Despite being so small, every human genome hosts millions of regulatory genomic elements, including enhancers, promoters and insulators, that they cross talk to each other every single second to control DNA replication, genome integrity and gene transcription. The ultimate goal of Dr. Li's lab is to understand how the genome is organized in the three-dimension (3D), and how the elements in the genome, including both DNAs and RNAs, cross-talk to each other. Importantly, the mutations of genome regulatory elements, such as enhancers and promoters, are associated with various diseases, but are mostly mysterious in terms of their underlying mechanisms. The basic molecular insights into 3D genome will be doomed to help us fight human disease such as cancers.
Publications/Creative Works
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