ArticleScientific reports2024
Replication protein-A, RPA, plays a pivotal role in the maintenance of recombination checkpoint in yeast meiosis.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 3 citations in OpenAlex.
- Prophase roles of replication protein A in crossover formation and meiotic progression.Journal of microbiology (Seoul, Korea) · 2026Article
- Transcriptomic and Ultrastructural Analyses Reveal the Mechanisms of Accelerated Depuration Induced byAnimals : an open access journal from MDPI · 2026Article
- Polo-like kinase Cdc5 orchestrates Cdk1 regulation via Swe1 and Mih1 during meiotic prophase I exit.Communications biology · 2026Article
- From static definitions to dynamic landscapes: physiological states in yeast.Frontiers in microbiology · 2026Article
- Beyond Nucleotide Excision Repair: The Importance of XPF in Base Excision Repair and Its Impact on Cancer, Inflammation, and Aging.International journal of molecular sciences · 2024Review
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
DNA double-strand breaks (DSBs) activate DNA damage responses (DDRs) in both mitotic and meiotic cells. A single-stranded DNA (ssDNA) binding protein, Replication protein-A (RPA) binds to the ssDNA formed at DSBs to activate ATR/Mec1 kinase for the response. Meiotic DSBs induce homologous recombination monitored by a meiotic DDR called the recombination checkpoint that blocks the pachytene exit in meiotic prophase I. In this study, we further characterized the essential role of RPA in the maintenance of the recombination checkpoint during Saccharomyces cerevisiae meiosis. The depletion of an RPA subunit, Rfa1, in a recombination-defective dmc1 mutant, fully alleviates the pachytene arrest with the persistent unrepaired DSBs. RPA depletion decreases the activity of a meiosis-specific CHK2 homolog, Mek1 kinase, which in turn activates the Ndt80 transcriptional regulator for pachytene exit. These support the idea that RPA is a sensor of ssDNAs for the activation of meiotic DDR. Rfa1 depletion also accelerates the prophase I delay in the zip1 mutant defective in both chromosome synapsis and the recombination, consistent with the notion that the accumulation of ssDNAs rather than defective synapsis triggers prophase I delay in the zip1 mutant.
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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.