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  Epigenetic regulator function through mouse gastrulation

Grosswendt, S., Kretzmer, H., Smith, Z. D., Sampath Kumar, A., Hetzel, S., Wittler, L., et al. (2020). Epigenetic regulator function through mouse gastrulation. Nature, 584, 102-108. doi:10.1038/s41586-020-2552-x.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-EAD5-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-EAD6-1
Genre: Journal Article

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 Creators:
Grosswendt, Stefanie1, Author              
Kretzmer, Helene1, Author              
Smith, Zachary D., Author
Sampath Kumar, Abhishek1, Author              
Hetzel, Sara1, Author              
Wittler, Lars2, Author              
Klages, Sven3, Author              
Timmermann, Bernd3, Author              
Mukherji, Shankar, Author
Meissner, Alexander1, Author              
Affiliations:
1Dept. of Genome Regulation (Head: Alexander Meissner), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_2379694              
2Dept. of Developmental Genetics (Head: Bernhard G. Herrmann), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_1433548              
3Sequencing (Head: Bernd Timmermann), Scientific Service (Head: Christoph Krukenkamp), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_1479670              

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 Abstract: During ontogeny, proliferating cells become restricted in their fate through the combined action of cell-type-specific transcription factors and ubiquitous epigenetic machinery, which recognizes universally available histone residues or nucleotides in a context-dependent manner1,2. The molecular functions of these regulators are generally well understood, but assigning direct developmental roles to them is hampered by complex mutant phenotypes that often emerge after gastrulation3,4. Single-cell RNA sequencing and analytical approaches have explored this highly conserved, dynamic period across numerous model organisms5,6,7,8, including mouse9,10,11,12,13,14,15,16,17,18. Here we advance these strategies using a combined zygotic perturbation and single-cell RNA-sequencing platform in which many mutant mouse embryos can be assayed simultaneously, recovering robust morphological and transcriptional information across a panel of ten essential regulators. Deeper analysis of central Polycomb repressive complex (PRC) 1 and 2 components indicates substantial cooperativity, but distinguishes a dominant role for PRC2 in restricting the germline. Moreover, PRC mutant phenotypes emerge after gross epigenetic and transcriptional changes within the initial conceptus prior to gastrulation. Our experimental framework may eventually lead to a fully quantitative view of how cellular diversity emerges using an identical genetic template and from a single totipotent cell.

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Language(s): eng - English
 Dates: 2020-05-062020-07-292020-08-06
 Publication Status: Published in print
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 Identifiers: DOI: 10.1038/s41586-020-2552-x
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Title: Nature
  Abbreviation : Nature
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: 7 Volume / Issue: 584 Sequence Number: - Start / End Page: 102 - 108 Identifier: ISSN: 0028-0836
CoNE: https://pure.mpg.de/cone/journals/resource/954925427238