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https://hdl.handle.net/2440/60635
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Type: | Journal article |
Title: | Theory for the stability and regulation of epigenetic landscapes |
Author: | Micheelsen, M. Mitarai, N. Sneppen, K. Dodd, I. |
Citation: | Physical Biology, 2010; 7(2):026010-1-026010-7 |
Publisher: | Institute of Physics Publishing Ltd. |
Issue Date: | 2010 |
ISSN: | 1478-3967 1478-3975 |
Statement of Responsibility: | Mille A Micheelsen, Namiko Mitarai, Kim Sneppen and Ian B Dodd |
Abstract: | Cells can often choose among several stably heritable phenotypes. Examples are the expressions of genes in eukaryotic cells where long chromosomal regions can adopt persistent and heritable silenced or active states that may be associated with positive feedback in dynamic modification of nucleosomes. We generalize this mechanism in terms of bistability associated with valleys in an epigenetic landscape. A transfer matrix method was used to rigorously follow the system through the disruptive process of cell division. This combined treatment of noisy dynamics both between and during cell division provides an efficient way to calculate the stability of alternative states in a broad range of epigenetic systems. |
Keywords: | Nucleosomes Cell Cycle Epigenesis, Genetic Models, Genetic |
Rights: | © IOP Publishing 2010 |
DOI: | 10.1088/1478-3975/7/2/026010 |
Published version: | http://dx.doi.org/10.1088/1478-3975/7/2/026010 |
Appears in Collections: | Aurora harvest Molecular and Biomedical Science publications |
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