ArticleThe Journal of biological chemistry2020
Pif1, RPA, and FEN1 modulate the ability of DNA polymerase δ to overcome protein barriers during DNA synthesis.
Article in The Journal of biological chemistry, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 19 citations in OpenAlex.
- Dissecting the role of PCNA and Pif1 in replication of individual DNA molecules by DNA polymerase δ.bioRxiv : the preprint server for biology · 2026Article
- High-Yield Production of Modified DNA Enables Structural Analysis of PARP2 Recognition of Nucleosomal Single-Strand Breaks.Journal of molecular biology · 2026Article
- Article
- Werner helicase interacting protein 1 contributes to G-quadruplex processing in human cells.Scientific reports · 2024Article
- Deletions of DNA in cancer and their possible uses for therapy.BioEssays : news and reviews in molecular, cellular and developmental biology · 2023Article
- Analysis and application of RNA binding protein gene pairs to predict the prognosis of gastric cancer.Heliyon · 2023Article
- Single-molecule visualization of stalled replication-fork rescue by the Escherichia coli Rep helicase.Nucleic acids research · 2023Article
- "Helicase" Activity promoted through dynamic interactions between a ssDNA translocase and a diffusing SSB protein.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Article
- Role and Regulation of Pif1 Family Helicases at the Replication Fork.International journal of molecular sciences · 2022Review
- A structural feature of Dda helicase which enhances displacement of streptavidin and trp repressor from DNA.Protein science : a publication of the Protein Society · 2022Article
- Mammalian Resilience Revealed by a Comparison of Human Diseases and Mouse Models Associated With DNA Helicase Deficiencies.Frontiers in molecular biosciences · 2022Review
- Post-replicative nick translation occurs on the lagging strand during prolonged depletion of DNA ligase I in Saccharomyces cerevisiae.G3 (Bethesda, Md.) · 2021Article
- Budding yeast Rap1, but not telomeric DNA, is inhibitory for multiple stages of DNA replication in vitro.Nucleic acids research · 2021Article
- Approaching Protein Barriers: Emerging Mechanisms of Replication Pausing in Eukaryotes.Frontiers in cell and developmental biology · 2021Review
- Replisome bypass of a protein-based R-loop block by Pif1.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Successful DNA replication requires carefully regulated mechanisms to overcome numerous obstacles that naturally occur throughout chromosomal DNA. Scattered across the genome are tightly bound proteins, such as transcription factors and nucleosomes, that are necessary for cell function, but that also have the potential to impede timely DNA replication. Using biochemically reconstituted systems, we show that two transcription factors, yeast Reb1 and Tbf1, and a tightly positioned nucleosome, are strong blocks to the strand displacement DNA synthesis activity of DNA polymerase δ. Although the block imparted by Tbf1 can be overcome by the DNA-binding activity of the single-stranded DNA-binding protein RPA, efficient DNA replication through either a Reb1 or a nucleosome block occurs only in the presence of the 5'-3' DNA helicase Pif1. The Pif1-dependent stimulation of DNA synthesis across strong protein barriers may be beneficial during break-induced replication where barriers are expected to pose a problem to efficient DNA bubble migration. However, in the context of lagging strand DNA synthesis, the efficient disruption of a nucleosome barrier by Pif1 could lead to the futile re-replication of newly synthetized DNA. In the presence of FEN1 endonuclease, the major driver of nick translation during lagging strand replication, Pif1-dependent stimulation of DNA synthesis through a nucleosome or Reb1 barrier is prevented. By cleaving the short 5' tails generated during strand displacement, FEN1 eliminates the entry point for Pif1. We propose that this activity would protect the cell from potential DNA re-replication caused by unwarranted Pif1 interference during lagging strand replication.
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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.