Isolation and analysis of rereplicated DNA by Rerep-Seq
Open accessAbstract
Changes in gene copy number contribute to genomic instability, the onset and progression of cancer, developmental abnormalities and adaptive potential. The origins of gene amplifications have remained elusive; however, DNA rereplication has been implicated as a source of gene amplifications. The inability to determine which sequences are rereplicated and under what conditions have made it difficult to determine the validity of the proposed models. Here we present Rerep-Seq, a technique that selectively enriches for rereplicated DNA in preparation for analysis by DNA sequencing that can be applied to any species. We validated Rerep-Seq by simulating DNA rereplication in yeast and human cells. Using Rerep-Seq, we demonstrate that rereplication induced in Saccharomyces cerevisiae by deregulated origin licensing is non-random and defined by broad domains that span multiple replication origins and topological boundaries.
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We filtered intragenic CAGE TCs with GG-initiation and those overlapping with coding exons and annotated enhancers.
“We filtered intragenic CAGE TCs with GG-initiation and those overlapping with coding exons and annotated enhancers24,70”
From Alternative promoters in CpG depleted regions are prevalently associated with epigenetic misregulation of liver cancer transcriptomes (2023) · cites this paper as [70]
The Materials and Methods sections describe filtering Rerep-Seq data and analyzing replication-timing regions, not intragenic CAGE transcription clusters. Searches for GG-initiation, CAGE clusters, coding exons, and enhancer filtering found no passage addressing the cited claim; page numbers are unavailable in our copy. (LLM, conf=0.76)
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Nepal, C., & Andersen, J. B. (2023) · Nature Communications · doi:10.1038/s41467-023-38272-4 · Cited by 39 · see citing works
- Authors
- Menzel, J., Tatman, P., & Black, J. C.
- Affiliations
- University of Colorado Anschutz (US)
- Corresponding author
- Black, Joshua C
- ORCID
- Black, Joshua C
- Venue
- Nucleic Acids Research
- Publisher
- Oxford University Press (OUP)
- Published
- 2020-04-02
- Volume
- 48
- Issue
- 10
- Pages
- e58-e58
- ISSN
- 0305-1048 (ISSN-L)
- 1362-4962
- PMC
- PMC7261181
- OpenAlex
- W3014366315
- Cited by
- 126
- References
- 0
- Citations by year
- 2026: 17 · 2025: 27 · 2024: 22 · 2023: 23 · 2022: 23 · 2021: 12 · 2020: 2
- FWCI
- 4.87
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Nucleic Acids Research (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Funders
- National Institute of General Medical Sciences (1R35GM128720-01)
- Boettcher Foundation (25A6182)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
- Keywords
- DNA re-replication, gene amplification, genomic instability, origin of replication, origin licensing, Saccharomyces cerevisiae, topological domains, copy number variation
- MeSH terms
- Cell Line, DNA Replication, Humans, Saccharomyces cerevisiae, Sequence Analysis, DNA
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