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Ultrafine anaphase bridges

Web8 Mar 2024 · TopBP1/Dpb11 binds DNA anaphase bridges to prevent genome instability. PubMed Central. Germann, Susanne M.; Schramke, Vera; Pedersen, Rune Troelsgaard; … WebWe provide evidence that suggests that perturbing replication by a non-programmed protein-DNA replication fork barrier results in the persistence of replication intermediates (most …

Ultrafine anaphase bridges, broken DNA and illegitimate …

Web16 Jul 2015 · There are two types of sister-chromatid anaphase bridges: chromatin bridges, consequences of defective sister chromatid segregation , can be stained with conventional dyes, such as DAPI; and ultrafine anaphase bridges (UFBs), which cannot be stained with conventional DNA dyes or antibodies against histones [8, 9]. UFBs were discovered only … Web2 Mar 2024 · More information: Nannan Kong et al, RIF1 suppresses the formation of single-stranded ultrafine anaphase bridges via protein phosphatase 1, Cell Reports (2024). DOI: … streams distinct https://sluta.net

Telomere fusions and translocations: a bridge too far?

Web13 May 2024 · Both chromatin and ultrafine anaphase bridges result from a defect in sister chromatid segregation. During mitosis, PICH (Plk1-interacting checkpoint helicase), an … WebUltrafine anaphase bridges (UFBs) are thin DNA threads linking the separating sister chromatids in the anaphase of mitosis. UFBs are thought to form when topological DNA … Web25 Sep 2024 · Ultrafine anaphase bridges (UFBs) are a potential source of genome instability that is a hallmark of cancer. UFBs can arise from DNA catenanes at … stream scooby doo on zombie island

Telomere fusions and translocations: a bridge too far?

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Ultrafine anaphase bridges

Molecular mechanisms of micronucleus, nucleoplasmic bridge …

Webstructure-specific nuclease; ultrafine anaphase bridge; chromosome segregation; mitotic DNA synthesis; genome stability 1. Introduction DNA replication requires the unwinding of the parental DNA duplex by the replicative helicase, which leads to the formation of branched DNA structures that are known as replication forks (RFs). http://sro.sussex.ac.uk/id/eprint/82640/1/genes-10-00232.pdf

Ultrafine anaphase bridges

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Web12 Mar 2015 · Here, the authors report that topoisomerase IIβ binding protein 1 recruits topoisomerase IIα to centromere-associated ultra-fine anaphase bridges to enable their … WebIntriguingly replication fork stalling and DNA breakage correlate with the appearance of structures that are analogous to ultrafine anaphase bridges (UFBs), which frequently form …

Webstructure-specific nuclease; ultrafine anaphase bridge; chromosome segregation; mitotic DNA synthesis; genome stability 1. Introduction DNA replication requires the unwinding of … WebPreviously, anaphase bridges were presumed to be a rare occurrence, however, recent evidence has shown that in most mitosis ultrafine anaphase bridges (UFBs) are …

Web17 Nov 2024 · The fate of unresolved recombination intermediates arising in cells lacking two nucleases required for resolution are determined and it is found that intermediates … Web18 Dec 2024 · We find that intermediates persist until mitosis and form a distinct class of anaphase bridges, which we term homologous recombination ultra-fine bridges (HR-UFBs).

Web22 Aug 2013 · The Plk1-interacting checkpoint helicase (PICH) protein localizes to ultrafine anaphase bridges (UFBs) in mitosis alongside a complex of DNA repair proteins, including the Bloom’s syndrome protein (BLM). However, very little is known about the function of PICH or how it is recruited to UFBs. Using a combination of microfluidics, fluorescence …

WebEventually, in mitosis, they can evolve into ultrafine anaphase bridges (UFBs) connecting sister chromatids, which can finally lead to chromosomal instability. In the following sections, we focus on CFSs as an example of the extraordinary processes that cells carry out in mitosis to resolve problems that originated during the previous S-phase, in order to … row.getcell 3Web26 Apr 2012 · Centromeric ultrafine anaphase bridges are physiological DNA structures thought to contain unresolved DNA catenations between the centromeres separating during anaphase. BLM and PICH helicases colocalize at these ultrafine anaphase bridges and promote their resolution. row german excelWeb30 Aug 2024 · Failure to process joint DNA molecules in mitosis leads to persistent entangling of sister chromatids, generating ultrafine DNA bridges (UFBs) as cells … stream scooby doo ghoul schoolWebChromatin bridge is a mitotic occurrence that forms when telomeres of sister chromatids fuse together and fail to completely segregate into their respective daughter cells. … streams cppWebFailure to properly disentangle catenated sister chromatids can lead to the formation of bulky or ultrafine anaphase bridges, and ultimately genome instability. In this review we present an overview of the current state of knowledge of how sister chromatid decatenation is carried out, with particular focus on the role of TOP2A and TOPBP1 in this process. stream screenshotWeb14 Feb 2024 · It has been proposed by McClintock that anaphase bridges drive chromosomal rearrangements through a so-called breakage-fusion-bridge (BFB) cycle, where multiple rounds of the joined chromatid ... streams college footballWebA new class of ultrafine anaphase bridges generated by homologous recombination Ying Wai Chan and Stephen C. West Department of DNA Recombination and Repair, The … streamscreen mac os x