A. Musacchio

Publications169
h-index63
Citations15,335
Highly Influential Citations1,469
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The spindle-assembly checkpoint in space and time
In eukaryotes, the spindle-assembly checkpoint (SAC) is a ubiquitous safety device that ensures the fidelity of chromosome segregation in mitosis. The SAC prevents chromosome mis-segregation and… Expand
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  • Open Access
GSK-3-selective inhibitors derived from Tyrian purple indirubins.
Gastropod mollusks have been used for over 2500 years to produce the "Tyrian purple" dye made famous by the Phoenicians. This dye is constituted of mixed bromine-substituted indigo and indirubin… Expand
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  • Open Access
Implications for Kinetochore-Microtubule Attachment from the Structure of an Engineered Ndc80 Complex
Kinetochores are proteinaceous assemblies that mediate the interaction of chromosomes with the mitotic spindle. The 180 kDa Ndc80 complex is a direct point of contact between kinetochores and… Expand
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  • Open Access
Sustained Mps1 activity is required in mitosis to recruit O-Mad2 to the Mad1–C-Mad2 core complex
To satisfy the mitotic checkpoint and drive chromosome congression, the Mps1 kinase lets go of kinetochores by phosphorylating itself in trans (see also related papers by Maciejowski et al. and… Expand
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  • Open Access
Kinetochore Microtubule Dynamics and Attachment Stability Are Regulated by Hec1
Mitotic cells face the challenging tasks of linking kinetochores to growing and shortening microtubules and actively regulating these dynamic attachments to produce accurate chromosome segregation.… Expand
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  • Open Access
The Mad1/Mad2 Complex as a Template for Mad2 Activation in the Spindle Assembly Checkpoint
BACKGROUND The spindle assembly checkpoint (SAC) imparts fidelity to chromosome segregation by delaying anaphase until all sister chromatid pairs have become bipolarly attached. Mad2 is a component… Expand
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Dissecting the role of MPS1 in chromosome biorientation and the spindle checkpoint through the small molecule inhibitor reversine
Addition of reversine to dividing cells ejects Mad1 and the RZZ complex from unattached kinetochores and prevents resolution of incorrect chromosome–microtubule attachments (see also related papers… Expand
  • 381
  • 44
  • Open Access
The Molecular Biology of Spindle Assembly Checkpoint Signaling Dynamics
The spindle assembly checkpoint is a safeguard mechanism that coordinates cell-cycle progression during mitosis with the state of chromosome attachment to the mitotic spindle. The checkpoint prevents… Expand
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Mechanism of Aurora B activation by INCENP and inhibition by hesperadin.
Aurora family serine/threonine kinases control mitotic progression, and their deregulation is implicated in tumorigenesis. Aurora A and Aurora B, the best-characterized members of mammalian Aurora… Expand
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  • Open Access
The Ndc80 kinetochore complex forms oligomeric arrays along microtubules
The Ndc80 complex is a key site of regulated kinetochore–microtubule attachment (a process required for cell division), but the molecular mechanism underlying its function remains unknown. Here we… Expand
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