Inheritance of H3K9 methylation regulates genome architecture in Drosophila early embryos
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The KZFP/KAP1 (Krüppel associated box zinc finger proteins/KRAB-associated protein 1) complex is a transcriptional repressor that triggers the deposition of heterochromatin (H3K9me3) and DNA methylation. The main targets of the KZFP/KAP1 complex are transp ...
EPFL2017
Isogenic cells sharing a common environment present a large degree of heterogeneity in gene expression, and stochasticity inherent to transcription substantially participates in this cell-to-cell variability. Notably, a majority of mammalian genes are tran ...
Chromatin is the template on which DNA-associated transactions take place in eukaryotic organisms. Nucleosomes consisting of the four histones H2A, H2B, H3 and H4 each organize ~150bp of DNA and constitute a first layer of chromatin. The three-dimensional ...
Through epigenetic mechanisms cells integrate environmental stimuli to fine-tune gene expression levels. Mitochondrial function is essential to provide the intermediate metabolites necessary to generate and modify epigenetic marks in the nucleus, which in ...
Exploitation of drug-drug synergism and allostery could yield superior therapies by capitalizing on the immensely diverse, but highly specific, potential associated with the biological macromolecular landscape. Here we describe a drug-drug synergy mediated ...
2017
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Transposable elements (TEs) account for at least 50% of the human genome. They constitute essential motors of evolution through their ability to modify genomic architecture, mutate genes and regulate gene expression. Accordingly, TEs are subject to tight e ...
Annual Reviews2015
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Transcription factors (TFs) are key regulators of cell fate. The estimated 755 genes that encode DNA binding domain-containing proteins comprise similar to 5% of all Drosophila genes. However, the majority has remained uncharacterized so far due to the lac ...
The 'acidic patch' is a highly electronegative cleft on the histone H2A-H2B dimer in the nucleosome. It is a fundamental motif for protein binding and chromatin dynamics, but the cellular impact of targeting this potentially therapeutic site with exogenous ...
Transcription represents a key regulatory step in gene expression and transcription factors (TFs) are the key molecular players of this process. TFs inhibit or promote the assembly of the transcriptional machinery by binding DNA and several co-factors. Whe ...
KAP1 is a universal corepressor for the large family of KRAB-ZFP proteins that coordinates epigenetic silencing of endogenous retroelements (EREs) during early embryonic development. This process is essential not just to prevent replication of EREs, but al ...
