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A large part of higher eukaryotic genomes is transcribed into RNAs lacking any significant open reading frame. This “non-coding part” has been shown to actively contribute to regulating gene expression, but the mechanisms are largely unknown. Particularly instructive examples are provided by the dosage compensation systems, which assure that the single X chromosome in male cells and the two X chromosomes...
The complexity of the mammalian genome is regulated by heritable epigenetic mechanisms, which provide the basis for differentiation, development and cellular homeostasis. These mechanisms act on the level of chromatin, by modifying DNA, histone proteins and nucleosome density/composition. During the last decade it became clear that cancer is defined by a variety of epigenetic changes, which occur...
The advent of massive parallel sequencing of immunopurified chromatin and its determinants has provided new avenues for researchers to map epigenome-wide changes and there is tremendous interest to uncover regulatory signatures to understand fundamental questions associated with chromatin structure and function. Indeed, the rapid development of large genome annotation projects has seen a resurgence...
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