Juxtaposition of Bub1 and Cdc20 on phosphorylated Mad1 during catalytic mitotic checkpoint complex assembly

ES Fischer, CWH Yu, JF Hevler, SH McLaughlin… - Nature …, 2022 - nature.com
In response to improper kinetochore-microtubule attachments in mitosis, the spindle
assembly checkpoint (SAC) assembles the mitotic checkpoint complex (MCC) to inhibit the …

Kinetochore‐catalyzed MCC formation: a structural perspective

ES Fischer - IUBMB life, 2023 - Wiley Online Library
The spindle assembly checkpoint (SAC) is a cellular surveillance mechanism that functions
to ensure accurate chromosome segregation during mitosis. Macromolecular complexes …

[HTML][HTML] Dynamics of spindle assembly and position checkpoints: Integrating molecular mechanisms with computational models

B Ibrahim - Computational and Structural Biotechnology Journal, 2025 - Elsevier
Mitotic checkpoints orchestrate cell division through intricate molecular networks that ensure
genomic stability. While experimental research has uncovered key aspects of checkpoint …

Signaling protein abundance modulates the strength of the spindle assembly checkpoint

S Jema, C Chen, L Humphrey, S Karmarkar, F Ferrari… - Current Biology, 2023 - cell.com
During mitosis, unattached kinetochores in a dividing cell signal to the spindle assembly
checkpoint (SAC) to delay anaphase onset and prevent chromosome missegregation. 1, 2 …

Molecular mechanism of Mad2 conformational conversion promoted by the Mad2-interaction motif of Cdc20

CWH Yu, ES Fischer, JG Greener, J Yang, Z Zhang… - bioRxiv, 2024 - biorxiv.org
During mitosis, unattached kinetochores trigger the spindle assembly checkpoint by
promoting assembly of the mitotic checkpoint complex, a heterotetramer comprising Mad2 …

CENP‐E haploinsufficiency causes chromosome misalignment and spindle assembly checkpoint activation in the spermatogonia

J Chen, JJ He, S Wu, ZY Deng, YP Liu, JF Chen… - …, 2024 - Wiley Online Library
Background The establishment of kinetochore–microtubule attachment is essential for error‐
free chromosome alignment and segregation during cell division. Defects in chromosome …

MTA1 localizes to the mitotic spindle apparatus and interacts with TPR in spindle assembly checkpoint regulation

J Liu, H Xue, C Li, X Chen, J Yao, D Xu… - … and Biophysical Research …, 2023 - Elsevier
We previously identified a cell cycle-dependent periodic subcellular distribution of cancer
metastasis-associated antigen 1 (MTA1) and unraveled a novel role of MTA1 in inhibiting …

Identification of MAD2L1 and BUB1B as Potential Biomarkers Associated with Progression and Prognosis of Ovarian Cancer

R Tang, J Tong, S Shang, G Li, F Sun, X Guan… - Biochemical …, 2024 - Springer
Ovarian cancer develops insidiously and is frequently diagnosed at advanced stages.
Screening for ovarian cancer is an effective strategy for reducing mortality. This study aimed …

Interplay of kinetochores and catalysts drives rapid assembly of the mitotic checkpoint complex

S Sethi, V Piano, S Ghetti, V Cmentowski, P Stege… - bioRxiv, 2024 - biorxiv.org
The spindle assembly checkpoint (SAC) makes mitotic exit contingent on completion of
sister chromatid biorientation, but how this coordination is achieved in practice remains …