Article ; Online: J
2018 Volume 97, Page(s) 101–108
Abstract: ... polymerase II accumulation and promote mutagenesis, we deleted 613 bp of DNA downstream of the J ...
Abstract | Activation-induced deaminase (AID) introduces nucleotide substitutions within the variable region of immunoglobulin genes to promote antibody diversity. This activity, which is limited to 1.5 kb downstream of the variable gene promoter, mutates both the coding exon and downstream intronic sequences. We recently reported that RNA polymerase II accumulates in these regions during transcription in mice. This build-up directly correlates with the area that is accessible to AID, and manipulation of RNA polymerase II levels alters the mutation frequency. To address whether the intronic DNA sequence by itself can regulate RNA polymerase II accumulation and promote mutagenesis, we deleted 613 bp of DNA downstream of the J |
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MeSH term(s) | Animals ; Base Sequence ; Burkitt Lymphoma/genetics ; Burkitt Lymphoma/pathology ; Cell Line, Tumor ; DNA Mutational Analysis ; Genes, Immunoglobulin ; Humans ; Immunoglobulin Variable Region/genetics ; Introns/genetics ; Mice ; Mutagenesis/physiology ; Mutation Rate ; RNA Polymerase II/metabolism ; Somatic Hypermutation, Immunoglobulin/genetics |
Chemical Substances | Immunoglobulin Variable Region ; RNA Polymerase II (EC 2.7.7.-) |
Language | English |
Publishing date | 2018-04-04 |
Publishing country | England |
Document type | Journal Article ; Research Support, N.I.H., Intramural |
ZDB-ID | 424427-8 |
ISSN | 1872-9142 ; 0161-5890 |
ISSN (online) | 1872-9142 |
ISSN | 0161-5890 |
DOI | 10.1016/j.molimm.2018.03.031 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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