ArticleJournal of cell science2022
The histone H4 lysine 20 demethylase DPY-21 regulates the dynamics of condensin DC binding.
Article in Journal of cell science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
8 citing papers in PubMed, 15 citations in OpenAlex.
- Condensin IDC has a functional ATPase that is required for X-Chromosome dosage compensation in C. elegans.Genetics · 2026Article
- Establishment and Maintenance of Repressed Chromatin States on Dosage-Compensated Sex Chromosomes.Biomolecules · 2026Review
- Parallel Evolution of X Chromosome-Specific Structural Maintenance of Chromosomes Complexes in Two Nematode Lineages.Molecular biology and evolution · 2025Article
- Condensin IDC, DPY-21, and CEC-4 maintain X chromosome repression in C. elegans.PLoS genetics · 2025Article
- Analysis of developmental gene expression using smFISH andbioRxiv : the preprint server for biology · 2024Article
- Article
- Latest trends in bioimaging and building a proactive network of early-career young scientists around bioimaging in Europe.Biology open · 2022Article
- Article
Corrections and comments
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Authors and funding
16 authors at 3 institutions in 2 countries.
Funding
Abstract
Condensin is a multi-subunit structural maintenance of chromosomes (SMC) complex that binds to and compacts chromosomes. Here, we addressed the regulation of condensin binding dynamics using Caenorhabditis elegans condensin DC, which represses X chromosomes in hermaphrodites for dosage compensation. We established fluorescence recovery after photobleaching (FRAP) using the SMC4 homolog DPY-27 and showed that a well-characterized ATPase mutation abolishes DPY-27 binding to X chromosomes. Next, we performed FRAP in the background of several chromatin modifier mutants that cause varying degrees of X chromosome derepression. The greatest effect was in a null mutant of the H4K20me2 demethylase DPY-21, where the mobile fraction of condensin DC reduced from ∼30% to 10%. In contrast, a catalytic mutant of dpy-21 did not regulate condensin DC mobility. Hi-C sequencing data from the dpy-21 null mutant showed little change compared to wild-type data, uncoupling Hi-C-measured long-range DNA contacts from transcriptional repression of the X chromosomes. Taken together, our results indicate that DPY-21 has a non-catalytic role in regulating the dynamics of condensin DC binding, which is important for transcription repression.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.