Search Results - "TAKAHASHI, Tatsuro"
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Reconstitution of mitotic chromatids with a minimum set of purified factors
Published in Nature cell biology (01-08-2015)“…The assembly of mitotic chromosomes, each composed of a pair of rod-shaped chromatids, is an essential prerequisite for accurate transmission of the genome…”
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Resection of DNA double-strand breaks activates Mre11-Rad50-Nbs1- and Rad9-Hus1-Rad1-dependent mechanisms that redundantly promote ATR checkpoint activation and end processing in Xenopus egg extracts
Published in Nucleic acids research (12-04-2024)“…Sensing and processing of DNA double-strand breaks (DSBs) are vital to genome stability. DSBs are primarily detected by the ATM checkpoint pathway, where the…”
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PCNA Retention on DNA into G2/M Phase Causes Genome Instability in Cells Lacking Elg1
Published in Cell reports (Cambridge) (19-07-2016)“…Loss of the genome maintenance factor Elg1 causes serious genome instability that leads to cancer, but the underlying mechanism is unknown. Elg1 forms the…”
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4
Mcm10 plays an essential role in origin DNA unwinding after loading of the CMG components
Published in The EMBO journal (02-05-2012)“…The CMG complex composed of Mcm2‐7, Cdc45 and GINS is postulated to be the eukaryotic replicative DNA helicase, whose activation requires sequential…”
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The Atad5 RFC-like complex is the major unloader of proliferating cell nuclear antigen in Xenopus egg extracts
Published in The Journal of biological chemistry (01-01-2024)“…Proliferating cell nuclear antigen (PCNA) is a homo-trimeric clamp complex that serves as the molecular hub for various DNA transactions, including DNA…”
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The Prereplication Complex Recruits XEco2 to Chromatin to Promote Cohesin Acetylation in Xenopus Egg Extracts
Published in Current biology (05-06-2012)“…Sister chromatids are held together by the ring-shaped cohesin complex, which is loaded onto chromosomes before DNA replication. Cohesion between sister…”
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Nucleosomes around a mismatched base pair are excluded via an Msh2-dependent reaction with the aid of SNF2 family ATPase Smarcad1
Published in Genes & development (01-06-2018)“…Post-replicative correction of replication errors by the mismatch repair (MMR) system is critical for suppression of mutations. Although the MMR system may…”
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Human DDK rescues stalled forks and counteracts checkpoint inhibition at unfired origins to complete DNA replication
Published in Molecular cell (04-02-2021)“…Eukaryotic genomes replicate via spatially and temporally regulated origin firing. Cyclin-dependent kinase (CDK) and Dbf4-dependent kinase (DDK) promote origin…”
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Shelterin promotes tethering of late replication origins to telomeres for replication‐timing control
Published in The EMBO journal (01-08-2018)“…DNA replication initiates at many discrete loci on eukaryotic chromosomes, and individual replication origins are regulated under a spatiotemporal program…”
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The heterochromatin protein Swi6/HP1 activates replication origins at the pericentromeric region and silent mating-type locus
Published in Nature cell biology (01-03-2009)“…Heterochromatin is a structurally compacted region of chromosomes in which transcription and recombination are inactivated. DNA replication is temporally…”
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Sister acts: coordinating DNA replication and cohesion establishment
Published in Genes & development (15-12-2010)“…The ring-shaped cohesin complex links sister chromatids and plays crucial roles in homologous recombination and mitotic chromosome segregation. In cycling…”
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12
Rad51 and Rad54 promote noncrossover recombination between centromere repeats on the same chromatid to prevent isochromosome formation
Published in Nucleic acids research (15-12-2016)“…Centromeres consist of DNA repeats in many eukaryotes. Non-allelic homologous recombination (HR) between them can result in gross chromosomal rearrangements…”
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13
Regulation of mitotic recombination between DNA repeats in centromeres
Published in Nucleic acids research (02-11-2017)“…Centromeres that are essential for faithful segregation of chromosomes consist of unique DNA repeats in many eukaryotes. Although recombination is…”
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14
Telomere-binding protein Taz1 controls global replication timing through its localization near late replication origins in fission yeast
Published in Genes & development (15-09-2012)“…In eukaryotes, the replication of chromosome DNA is coordinated by a replication timing program that temporally regulates the firing of individual replication…”
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15
Sensing and Processing of DNA Interstrand Crosslinks by the Mismatch Repair Pathway
Published in Cell reports (Cambridge) (31-10-2017)“…DNA interstrand crosslinks (ICLs) that are repaired in non-dividing cells must be recognized independently of replication-associated DNA unwinding. Using…”
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The termination of UHRF1-dependent PAF15 ubiquitin signaling is regulated by USP7 and ATAD5
Published in eLife (03-02-2023)“…UHRF1-dependent ubiquitin signaling plays an integral role in the regulation of maintenance DNA methylation. UHRF1 catalyzes transient dual mono-ubiquitylation…”
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DNA polymerization-independent functions of DNA polymerase epsilon in assembly and progression of the replisome in fission yeast
Published in Molecular biology of the cell (15-08-2012)“…DNA polymerase epsilon (Pol ε) synthesizes the leading strands, following the CMG (Cdc45, Mcm2-7, and GINS [Go-Ichi-Nii-San]) helicase that translocates on the…”
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MutSα maintains the mismatch repair capability by inhibiting PCNA unloading
Published in eLife (12-07-2016)“…Eukaryotic mismatch repair (MMR) utilizes single-strand breaks as signals to target the strand to be repaired. DNA-bound PCNA is also presumed to direct MMR…”
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Cdc7-Drf1 kinase links chromosome cohesion to the initiation of DNA replication in Xenopus egg extracts
Published in Genes & development (15-07-2008)“…To establish functional cohesion between replicated sister chromatids, cohesin is recruited to chromatin before S phase. Cohesin is loaded onto chromosomes in…”
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Crosstalk between repair pathways elicits double-strand breaks in alkylated DNA and implications for the action of temozolomide
Published in eLife (08-07-2021)“…Temozolomide (TMZ), a DNA methylating agent, is the primary chemotherapeutic drug used in glioblastoma treatment. TMZ induces mostly N-alkylation adducts…”
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