ArticleThe Journal of cell biology2026
Kinetochore clustering is mediated by Mps1 phosphorylation of conserved MELT motifs in Stu1.
Article in The Journal of cell biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Mitotic error correction and the spindle assembly checkpoint: a tension-filled relationship.Cell cycle (Georgetown, Tex.) · 2026Review
- Kinetochore-microtubule attachments are strengthened by Cnn1 stabilization of Stu2.bioRxiv : the preprint server for biology · 2026Article
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4 authors.
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Abstract
Unattached kinetochores promote microtubule capture while preventing cell cycle progression during mitosis. The Mps1 kinase controls these events by mediating kinetochore assembly of the fibrous corona in animal cells and by triggering the spindle checkpoint. In budding yeast, which does not assemble a fibrous corona, the Stu1 and Slk19 spindle proteins promote microtubule capture by clustering unattached kinetochores, but the underlying mechanism is unclear. Here, we show that Mps1 controls this pathway by phosphorylating two conserved MELT motifs in Stu1 to recruit Slk19 and mediate kinetochore clustering. Structural analysis of the Stu1:Slk19 complex reveals long, string-like filaments and offers mechanistic insight into how kinetochores might cluster. Our findings suggest the regulation of kinetochore capture is a conserved Mps1 function across eukaryotes.
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