Title |
Enhancer-driven chromatin interactions during development promote escape from silencing by a long non-coding RNA
|
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Published in |
Epigenetics & Chromatin, November 2011
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DOI | 10.1186/1756-8935-4-21 |
Pubmed ID | |
Authors |
Lisa Korostowski, Anjali Raval, Gillian Breuer, Nora Engel |
Abstract |
Gene regulation in eukaryotes is a complex process entailing the establishment of transcriptionally silent chromatin domains interspersed with regions of active transcription. Imprinted domains consist of clusters of genes, some of which exhibit parent-of-origin dependent monoallelic expression, while others are biallelic. The Kcnq1 imprinted domain illustrates the complexities of long-range regulation that coexists with local exceptions. A paternally expressed repressive non-coding RNA, Kcnq1ot1, regulates a domain of up to 750 kb, encompassing 14 genes. We study how the Kcnq1 gene, initially silenced by Kcnq1ot1, undergoes tissue-specific escape from imprinting during development. Specifically, we uncover the role of chromosome conformation during these events. |
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Mendeley readers
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Student > Ph. D. Student | 13 | 20% |
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Professor > Associate Professor | 3 | 5% |
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Other | 0 | 0% |
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