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Background: The ability of an organism to repair DNA damage is implicated in carcinogenesis and aging. Interestingly expression profiling of Nucleotide Excision Repair (NER) deficient segmental progeroid mice revealed gene expression changes resembling these observed in aged wild type animals. Our p...
ORGANISM(S): Caenorhabditis elegans 
Background: Repair of DNA damage requires chromatin remodeling to permit removal of the lesions. How nucleosomes are remodelled to initiate repair of DNA damage remains largely unknown. Here, we describe how chromatin is altered during repair of UV-induced DNA damage at the level of the linear organ...
ORGANISM(S): Saccharomyces cerevisiae 
Cockayne syndrome (CS) is a photosensitive, DNA repair disorder associated with progeria caused by a defect in the transcription-coupled repair (TCR) subpathway of nucleotide excision repair (NER). Here, complete inactivation of NER in Csbm/m/Xpa-/- mutants causes a phenotype that reliably mimics th...
ORGANISM(S): Mus musculus 
Nucleotide excision repair (NER) is the major DNA repair pathway that removes UV-induced and bulky DNA lesions. There is currently no structure of NER intermediates, which form around the large multisubunit transcription factor IIH (TFIIH). Here we report the cryo-EM structure of an NER intermediate...
ORGANISM(S): Homo sapiens (Human) 
2019-07-02 | PXD013947 | Pride
Here we report our observations that have led us to propose that the transcription elongation factor NusA promotes a novel class of transcription-coupled repair (TCR) in addition to its previously proposed role in recruiting translesion synthesis (TLS) DNA polymerases to gaps encountered during tran...
ORGANISM(S): Escherichia coli 
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