ArticleNature communications2024
Inter-chromosomal transcription hubs shape the 3D genome architecture of African trypanosomes.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- From the flagellum attachment zone to the tripartite attachment complex - widespread cytoskeletal engagement of T. brucei KMP11.Journal of cell science · 2026Article
- De Novo Assembly of the Trypanosoma congolense Genome Reveals an Organization Influenced by Antigenic Variation but Distinct from Trypanosoma brucei.Genome biology and evolution · 2026Article
- Transcription Start Regions in PTU-intergenic regions drive cell cycle-dependent transcriptional activation events inMicrobiology spectrum · 2026Article
- The 3D genome of Gigaspora margarita unveils stable chromatin and nucleolar organization and symbiont-dependent genome dynamics.The New phytologist · 2026Article
- ZBP1 in Neuroinflammation and Neurodegeneration: Z-Nucleic-Acid Sensing, RHIM Signalling and Therapeutic Targeting.International journal of molecular sciences · 2026Review
- Genome-wide mapping of DNA G-quadruplexes in Trypanosoma brucei chromatin reveals enrichment in coding regions and transcription start sites.Nucleic acids research · 2026Article
- First genome-wide centromere map of Trypanosoma cruzi suggests linear and 3D compartment boundaries and spatial clustering.BMC genomics · 2026Article
- The segregation of organelles and organellar genomes across eukaryotic biology.Biochemical Society transactions · 2026Review
- Article
- The UTRs of Leishmania donovani vary in length and are enriched in potential regulatory structures.PLoS pathogens · 2026Article
- Article
- Cleavage Under Targets and Release Using Nuclease (CUT&RUN) for Trypanosoma brucei Parasites.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Chromosome compartment assembly is essential for subtelomeric gene silencing in trypanosomes.Nature communications · 2025Article
- Connecting basal body and mitochondrial DNA: TAC53 and the tubular organization of the tripartite attachment complex.PLoS pathogens · 2025Article
- Assembly of the mitochondrial outer membrane module of the trypanosomal tripartite attachment complex.PLoS pathogens · 2025Article
- Precision-edited histone tails disrupt polycistronic gene expression controls in trypanosomes.Nature communications · 2025Article
- High-resolution map of the Plasmodium falciparum genome reveals MORC/ApiAP2-mediated links between distant, functionally related genes.Nature microbiology · 2025Article
- RNA synthesis inMicrobiology spectrum · 2025Article
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
The eukaryotic nucleus exhibits a highly organized 3D genome architecture, with RNA transcription and processing confined to specific nuclear structures. While intra-chromosomal interactions, such as promoter-enhancer dynamics, are well-studied, the role of inter-chromosomal interactions remains poorly understood. Investigating these interactions in mammalian cells is challenging due to large genome sizes and the need for deep sequencing. Additionally, transcription-dependent 3D topologies in mixed cell populations further complicate analyses. To address these challenges, we used high-resolution DNA-DNA contact mapping (Micro-C) in Trypanosoma brucei, a parasite with continuous RNA polymerase II (RNAPII) transcription and polycistronic transcription units (PTUs). With approximately 300 transcription start sites (TSSs), this genome organization simplifies data interpretation. To minimize scaffolding artifacts, we also generated a highly contiguous phased genome assembly using ultra-long sequencing reads. Our Micro-C analysis revealed an intricate 3D genome organization. While the T. brucei genome displays features resembling chromosome territories, its chromosomes are arranged around polymerase-specific transcription hubs. RNAPI-transcribed genes cluster, as expected from their localization to the nucleolus. However, we also found that RNAPII TSSs form distinct inter-chromosomal transcription hubs with other RNAPII TSSs. These findings highlight the evolutionary significance of inter-chromosomal transcription hubs and provide new insights into genome organization in T. brucei.
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