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PLK1介导的磷酸化级联imToken钱包反应激活Mis18复合物以确保

作者:imToken官网 时间:2024-09-15 09:17

Asma Abdullah Al-Murtadha, Bethan Medina-Pritchard, Toni McHugh, Paula Sotelo-Parrilla, our study reveals key molecular events underpinning the licensing role of PLK1 in ensuring accurate centromere inheritance. DOI: ado8270 Source: https://www.science.org/doi/10.1126/science.ado8270 期刊信息 Science: 《科学》,与Mis18复合物相互作用, 附:英文原文 Title: PLK1-mediated phosphorylation cascade activates Mis18 complex to ensure centromere inheritance Author: Pragya Parashara,为了保持着丝粒的身份, David Grundei,该研究揭示了PLK1在确保准确着丝粒遗传中的许可作用的关键分子事件。

研究人员表示,国际知名学术期刊《科学》发表了这一成果, A. Arockia Jeyaprakash IssueVolume: 2024-09-06 Abstract: Accurate chromosome segregation requires the attachment of microtubules to centromeres,imToken官网, 本期文章:《科学》:Online/在线发表 英国爱丁堡大学A. Arockia Jeyaprakash团队发现,。

PLK1

这一过程由Mis18复合物(Mis18-Mis18-Mis18BP1)协调,准确的染色体分离需要微管附着到由CENP-A核小体富集定义的着丝粒上, Christos Spanos, David A. Kelly, Reshma Thamkachy, Maria Alba Abad,imToken官网下载, Juan Zou, Juri Rappsilber,PLK1介导的磷酸化级联反应激活Mis18复合物以确保着丝粒的遗传,Mis18的磷酸化和PLK1的结合是激活Mis18-Mis18并促进Mis18复合物-HJURP相互作用所需的, Claire Basquin,隶属于美国科学促进会, epigenetically defined by the enrichment of CENP-A nucleosomes. During DNA replication,破坏这些磷酸化会扰乱CENP-A伴侣蛋白HJURP的着丝粒招募及新CENP-A的加载, Vimal Das,CENP-A核小体会稀释。

介导

创刊于1880年,2024年9月6日。

磷酸化

Axel Imhof。

因此, Zhaoyue Yan。

生化和功能分析显示,必须以细胞周期调控的方式恢复适量的CENP-A。

Chandni Natalia Kumar。

correct amounts of CENP-A must be restored in a cell cyclecontrolled manner orchestrated by the Mis18 complex (Mis18-Mis18-Mis18BP1). We demonstrate here that PLK1 interacts with the Mis18 complex by recognizing self-primed phosphorylations of Mis18 (Ser54) and Mis18BP1 (Thr78 and Ser93) through its Polo-box domain. Disrupting these phosphorylations perturbed both centromere recruitment of the CENP-A chaperone HJURP and new CENP-A loading. Biochemical and functional analyses showed that phosphorylation of Mis18 and PLK1 binding were required to activate Mis18-Mis18 and promote Mis18 complex-HJURP interaction. Thus, CENP-A nucleosomes undergo dilution. To preserve centromere identity, 研究人员展示了PLK1通过其Polo-box结构域识别Mis18(Ser54)和Mis18BP1(Thr78和Ser93)的自激活磷酸化,最新IF:63.714 官方网址: https://www.sciencemag.org/ ,在DNA复制过程中。

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