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Inheritance of H3K9 methylation regulates genome architecture in Drosophila early embryos

Related publications (55)

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A Tale of Two Tumors: Unraveling the Complexities of Epigenetic Dysregulation in Cancer

Maria Christine Donaldson

Epigenetics plays an important role in cancer development and progression. Cancer cells hijack the epigenome by modifying the histone protein units responsible for packaging DNA, or by modifying the DNA itself, resulting in changes to chromatin topology an ...

EPFL2019

Mitotic chromosome binding predicts transcription factor properties in interphase

David Michael Suter, Cédric Deluz, Torgil Elias Friman, Andrea Brigitta Alber, Mahé Cécile Raccaud

Mammalian transcription factors (TFs) differ broadly in their nuclear mobility and sequence-specific/non-specific DNA binding. How these properties affect their ability to occupy specific genomic sites and modify the epigenetic landscape is unclear. The as ...

2019

A Dissection of Oligomerization by the TRIM28 Tripartite Motif and the Interaction with Members of the Krab-ZFP Family

Didier Trono, Priscilla Turelli, Charlène Mireille Raymonde Raclot

TRIM28 (also known as KAP1 or TIF1β) is the universal co-repressor of the Krüppel-associated box-containing zinc finger proteins (Krab-ZFPs), the largest family of transcription factors in mammals. During early embryogenesis, TRIM28 mediates the transcript ...

2019

Precise spatiotemporal regulation of gene expression is essential for development and homeostasis of complex organisms. This is achieved in large part by sequence-specific transcription factors (TF) that bind to genomic regulatory elements to activate or r ...

EPFL2019

Revealing chromatin organization in metaphase chromosomes

Beat Fierz

The local structural organization of chromatin in mitotic chromosomes is not well understood. A new cryo-electron tomography study from the Daban laboratory (Chicano et al, ) reveals that mitotic chromatin isolated from human cells can assume a plate-like ...

WILEY2019

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Genomic imprinting is an epigenetic process regulated by germline-derived DNA methylation, causing parental origin-specific monoallelic gene expression. Zinc finger protein 57 (ZFP57) is critical for maintenance of this epigenetic memory during post-fertil ...

2019

Understanding the Mechanobiology of Early Mammalian Development through Bioengineered Models

Matthias Lütolf, Stefano Davide Vianello

Research in developmental biology has been recently enriched by a multitude of in vitro models recapitulating key milestones of mammalian embryogenesis. These models obviate the challenge posed by the inaccessibility of implanted embryos, multiply experime ...

2019

Dynamic regulation of chromatin, a structure consisting of DNA and histone proteins, is mediated through histone post-translational modifications (PTMs) and effector proteins. HP1a and PRC2 are recruited to repressive PTMs (H3K9me3, H3K27me3) and enable he ...

EPFL2018

KAP1 facilitates reinstatement of heterochromatin after DNA replication

Didier Trono, Priscilla Turelli, Julien Léonard Duc, Sandra Eloise Kjeldsen, Annamaria Kauzlaric, Andrea Coluccio, Julien Paul André Pontis, Suk Min Jang, Benjamin Rauwel, Geneviève Almouzni

During cell division, maintenance of chromatin features from the parental genome requires their proper establishment on its newly synthetized copy. The loss of epigenetic marks within heterochromatin, typically enriched in repetitive elements, endangers ge ...

2018

In eukaryotic cells, DNA is tightly packed in the form chromatin. The basic structure of chromatin is a nucleosome composed of 147 bp DNA wrapped around eight histone proteins; two copies of H2A, H2B, H3 and H4. These histone proteins are decorated with pa ...

EPFL2018