12 research outputs found

    Evaluatie opvangbeleid 2005-2008 overwinterende ganzen en smienten. Deelrapport 8. Opvangkosten en inpasbaarheid op bedrijfsniveau

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    Dit rapport biedt inzicht in factoren die volgens boeren hun deelnamebereidheid bepalen aan de Provinciale Subsidieregeling Agrarisch Natuurbeheer (PSAN) voor ganzen via Programma Beheer van Dienst Regelingen. Een enquête is gehouden onder 386 agrarische bedrijven in provincie Frieslan

    Dynamics of gene silencing during X inactivation using allele-specific RNA-seq

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    Background: During early embryonic development, one of the two X chromosomes in mammalian female cells is inactivated to compensate for a potential imbalance in transcript levels with male cells, which contain a single X chromosome. Here, we use mouse female embryonic stem cells (ESCs) with non-random X chromosome inactivation (XCI) and polymorphic X chromosomes to study the dynamics of gene silencing over the inactive X chromosome by high-resolution allele-specific RNA-seq. Results: Induction of XCI by differentiation of female ESCs shows that genes proximal to the X-inactivation center are silenced earlier than distal genes, while lowly expressed genes show faster XCI dynamics than highly expressed genes. The active X chromosome shows a minor but significant increase in gene activity during differentiation, resulting in complete dosage compensation in differentiated cell types. Genes escaping XCI show little or no silencing during early propagation of XCI. Allele-specific RNA-seq of neural progenitor cells generated from the female ESCs identifies three regions distal to the X-inactivation center that escape XCI. These regions, which stably escape during propagation and maintenance of XCI, coincide with topologically associating domains (TADs) as present in the female ESCs. Also, the previously characterized gene clusters escaping XCI in human fibroblasts correlate with TADs. Conclusions: The gene silencing observed during XCI provides further insight in the establishment of the repressive complex formed by the inactive X chromosome. The association of e

    Miniaturised epigenome and interactome screening : development and application of microfluidic ChIP-seq and AP-MS

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    Contains fulltext : 213664.pdf (publisher's version ) (Open Access)Radboud University, 17 december 2019Promotor : Stunnenberg, H.G. Co-promotor : Marks, Hendrik203 p

    Genome-wide epigenomic profiling for biomarker discovery

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    Contains fulltext : 165648.pdf (publisher's version ) (Open Access

    Allele-specific RNA-seq expression profiling of imprinted genes in mouse isogenic pluripotent states

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    Contains fulltext : 201538.pdf (publisher's version ) (Open Access)21 p
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