ArticleCell & bioscience2024
Rapid reconstitution of ubiquitinated nucleosome using a non-denatured histone octamer ubiquitylation approach.
Article in Cell & bioscience, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Structural basis of nucleosome deubiquitination by the bidentate Calypso/Asx complex.iScience · 2026Article
- Circular Engineered Sortase for Interrogating Histone H3 in Chromatin.Journal of the American Chemical Society · 2024Article
- A circular engineered sortase for interrogating histone H3 in chromatin.bioRxiv : the preprint server for biology · 2024Article
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20 authors.
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Abstract
backgroundHistone ubiquitination modification is emerging as a critical epigenetic mechanism involved in a range of biological processes. In vitro reconstitution of ubiquitinated nucleosomes is pivotal for elucidating the influence of histone ubiquitination on chromatin dynamics.
resultsIn this study, we introduce a Non-Denatured Histone Octamer Ubiquitylation (NDHOU) approach for generating ubiquitin or ubiquitin-like modified histone octamers. The method entails the co-expression and purification of histone octamers, followed by their chemical cross-linking to ubiquitin using 1,3-dibromoacetone. We demonstrate that nucleosomes reconstituted with these octamers display a high degree of homogeneity, rendering them highly compatible with in vitro biochemical assays. These ubiquitinated nucleosomes mimic physiological substrates in function and structure. Additionally, we have extended this method to cross-linking various histone octamers and three types of ubiquitin-like proteins.
conclusionsOverall, our findings offer an efficient strategy for producing ubiquitinated nucleosomes, advancing biochemical and biophysical studies in the field of chromatin biology.
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