Article: Connecting Chromatin Structures to Gene Regulation Using Dynamic Polymer Simulations.
bioRxiv : the preprint server for biology
2023
Abstract: The transfer of regulatory information between distal loci on chromatin is thought to involve physical proximity, but key biophysical features of these contacts remain unclear. For instance, it is unknown how close and for how long two loci need to be in ...
Abstract | The transfer of regulatory information between distal loci on chromatin is thought to involve physical proximity, but key biophysical features of these contacts remain unclear. For instance, it is unknown how close and for how long two loci need to be in order to productively interact. The main challenge is that it is currently impossible to measure chromatin dynamics with high spatiotemporal resolution at scale. Polymer simulations provide an accessible and rigorous way to test biophysical models of chromatin regulation, yet there is a lack of simple and general methods for extracting the values of model parameters. Here we adapt the Nelder-Mead simplex optimization algorithm to select the best polymer model matching a given Hi-C dataset, using the |
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Language | English |
Publishing date | 2023-11-10 |
Publishing country | United States |
Document type | Preprint |
DOI | 10.1101/2023.11.07.566032 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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