ArticlePLoS genetics2018
Ribonuclease H1-targeted R-loops in surface antigen gene expression sites can direct trypanosome immune evasion.
Article in PLoS genetics, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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Who cites it
33 citing papers in PubMed.
- 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
- Review
- Article
- R-loops acted on by RNase H1 influence DNA replication timing and genome stability in Leishmania.Nature communications · 2025Article
- Nanopore sequencing reveals that DNA replication compartmentalisation dictates genome stability and instability in Trypanosoma brucei.Nature communications · 2025Article
- Unwrap RAP1's Mystery at Kinetoplastid Telomeres.Biomolecules · 2024Review
- Article
- RAD51-mediated R-loop formation acts to repair transcription-associated DNA breaks driving antigenic variation inProceedings of the National Academy of Sciences of the United States of America · 2023Article
- Immunoprecipitation of RNA-DNA hybrid interacting proteins in Trypanosoma brucei reveals conserved and novel activities, including in the control of surface antigen expression needed for immune evasion by antigenic variation.Nucleic acids research · 2023Article
- The RNA export factor TbMex67 connects transcription and RNA export in Trypanosoma brucei and sets boundaries for RNA polymerase I.Nucleic acids research · 2023Article
- Article
- Article
- DNA double strand break position leads to distinct gene expression changes and regulates VSG switching pathway choice.PLoS pathogens · 2021Article
- Genetic and immunological basis of human African trypanosomiasis.Current opinion in immunology · 2021Review
- A nuclear enterprise: zooming in on nuclear organization and gene expression control in the African trypanosome.Parasitology · 2021Review
- Regulation of Antigenic Variation byPathogens (Basel, Switzerland) · 2021Review
- TbTRF suppresses the TERRA level and regulates the cell cycle-dependent TERRA foci number with a TERRA binding activity in its C-terminal Myb domain.Nucleic acids research · 2021Article
- The MRN complex promotes DNA repair by homologous recombination and restrains antigenic variation in African trypanosomes.Nucleic acids research · 2021Article
- Unpicking the Roles of DNA Damage Protein Kinases in Trypanosomatids.Frontiers in cell and developmental biology · 2021Review
- Keeping Balance Between Genetic Stability and Plasticity at the Telomere and Subtelomere ofFrontiers in cell and developmental biology · 2021Review
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5 authors.
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Abstract
Switching of the Variant Surface Glycoprotein (VSG) in Trypanosoma brucei provides a crucial host immune evasion strategy that is catalysed both by transcription and recombination reactions, each operating within specialised telomeric VSG expression sites (ES). VSG switching is likely triggered by events focused on the single actively transcribed ES, from a repertoire of around 15, but the nature of such events is unclear. Here we show that RNA-DNA hybrids, called R-loops, form preferentially within sequences termed the 70 bp repeats in the actively transcribed ES, but spread throughout the active and inactive ES, in the absence of RNase H1, which degrades R-loops. Loss of RNase H1 also leads to increased levels of VSG coat switching and replication-associated genome damage, some of which accumulates within the active ES. This work indicates VSG ES architecture elicits R-loop formation, and that these RNA-DNA hybrids connect T. brucei immune evasion by transcription and recombination.
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