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ProteomicsSingle-copy locus isolation identifies distinct proteomes of early- and late-firing DNA replication origin chromatin
The chromatin at origins of replication is the template for DNA replication initiation in eukaryotic genomes. However, whether the chromatin composition instructs individual origins to fire early-efficiently (EE) or late-inefficiently (LI) remains to be investigated. Here, we used site-specific reco...
ORGANISM(S): Saccharomyces cerevisiae (Baker's yeast) 
2023-05-10 | PXD031984 | Pride
Replication timing Replication efficiency Affinity purification Locus-specific chromatin isolation Dna replication origin Histone ptms Site-specific recombination 
ProteomicsThe CGG triplet repeat binding protein 1 counteracts DNA secondary structure formation to prevent transcription-replication stress
Short tracts of trinucleotide repeats with less than 10 repeats are found frequently throughout the genome without any apparent negative impact on DNA replication fork progression or transcription elongation. CGG binding protein 1 (CGGBP1) binds to CGG triplet repeats and has been implicated in mult...
ORGANISM(S): Homo sapiens (Human) 
2025-10-20 | PXD045654 | Pride
Transcription-replication conflicts Genomic instability Cggbp1 R-loop structure Cgg-trinucleotide repeats Replication stress Transcription regulation Dna damag G-quadruplex structure 
ProteomicsSingle-copy locus proteomics of early- and late-firing DNA replication origins identifies a role of Ask1/DASH complex in replication timing control
The chromatin at origins of replication is thought to influence DNA replication initiation in eukaryotic genomes. However, it remains unclear how the chromatin composition controls the firing of early-efficient (EE) or late-inefficient (LI) origins. Here, we used site-specific recombination and sing...
ORGANISM(S): Saccharomyces cerevisiae (Baker's yeast) 
2023-02-16 | PXD032930 | Pride
Locus-specific chromatin isolation  site-specific recombination  affinity purification  dna replication origin  replication timing  replication efficiency  origin chromatin structure  dash complex  ask1 protein  microtubule cytoskeleton 
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