ArticleThe EMBO journal2016
Histone H3.3 promotes IgV gene diversification by enhancing formation of AID-accessible single-stranded DNA.
Article in The EMBO journal, 2016. 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, 27 citations in OpenAlex.
- Activation-induced cytidine deaminase an antibody diversification enzyme interacts with chromatin modifier UBN1 in B-cells.Scientific reports · 2023Article
- Ig Enhancers Increase RNA Polymerase II Stalling at Somatic Hypermutation Target Sequences.Journal of immunology (Baltimore, Md. : 1950) · 2022Article
- The role of HIRA-dependent H3.3 deposition and its modifications in the somatic hypermutation of immunoglobulin variable regions.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- A Bayesian model based computational analysis of the relationship between bisulfite accessible single-stranded DNA in chromatin and somatic hypermutation of immunoglobulin genes.PLoS computational biology · 2021Article
- Role of Dot1L and H3K79 methylation in regulating somatic hypermutation of immunoglobulin genes.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- TET3 dioxygenase modulates gene conversion at the avian immunoglobulin variable region via demethylation of non-CpG sites in pseudogene templates.Genes to cells : devoted to molecular & cellular mechanisms · 2021Article
- PRIMPOL-Mediated Adaptive Response Suppresses Replication Fork Reversal in BRCA-Deficient Cells.Molecular cell · 2020Article
- A Novel DT40 Antibody Library for the Generation of Monoclonal Antibodies.Virologica Sinica · 2019Article
- R-loop formation during S phase is restricted by PrimPol-mediated repriming.The EMBO journal · 2019Article
- Replication of G Quadruplex DNA.Genes · 2019Review
- Review
- Warsaw breakage syndrome DDX11 helicase acts jointly with RAD17 in the repair of bulky lesions and replication through abasic sites.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- Epigenomic Modifications Mediating Antibody Maturation.Frontiers in immunology · 2018Review
- Activation-induced cytidine deaminase targets SUV4-20-mediated histone H4K20 trimethylation to class-switch recombination sites.Scientific reports · 2017Article
- Review
- RNA-DNA hybrid (R-loop) immunoprecipitation mapping: an analytical workflow to evaluate inherent biases.Genome research · 2017Article
- Binding of estrogen receptors to switch sites and regulatory elements in the immunoglobulin heavy chain locus of activated B cells suggests a direct influence of estrogen on antibody expression.Molecular immunology · 2016Article
- Histone H3.3 promotes IgV gene diversification by enhancing formation of AID-accessible single-stranded DNA.The EMBO journal · 2016Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
Immunoglobulin diversification is driven by activation-induced deaminase (AID), which converts cytidine to uracil within the Ig variable (IgV) regions. Central to the recruitment of AID to the IgV genes are factors that regulate the generation of single-stranded DNA (ssDNA), the enzymatic substrate of AID Here, we report that chicken DT40 cells lacking variant histone H3.3 exhibit reduced IgV sequence diversification. We show that this results from impairment of the ability of AID to access the IgV genes due to reduced formation of ssDNA during IgV transcription. Loss of H3.3 also diminishes IgV R-loop formation. However, reducing IgV R-loops by RNase HI overexpression in wild-type cells does not affect IgV diversification, showing that these structures are not necessary intermediates for AID access. Importantly, the reduction in the formation of AID-accessible ssDNA in cells lacking H3.3 is independent of any effect on the level of transcription or the kinetics of RNAPII elongation, suggesting the presence of H3.3 in the nucleosomes of the IgV genes increases the chances of the IgV DNA becoming single-stranded, thereby creating an effective AID substrate.
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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.