Cut-Detector: A Tool for Automated Temporal Analysis of Late Cytokinetic Events
Bonte, T.; Dubois, L.; Gagna, P.; Dibsy, R.; Petrovic, A.; Advedissian, T.; Serres, M.; Cuvelier, F.; Crouigneau, M.; Sassoon, N.; Gupta-Rossi, N.; Fremont, S.; Echard, A.; Walter, T.
Show abstract
Cytokinesis is the final step of cell division, resulting in the physical separation of the two daughter cells. Despite its fundamental importance in cell biology, biologists currently lack automatic tools for large-scale profiling of cytokinesis dynamics. In particular, the timing of the first microtubule cut in the intercellular bridge connecting the daughter cells is crucial, as it marks a critical step preceding abscission. Here, we introduce Cut-Detector, an open-source tool for the automatic analysis of late cytokinesis timing from time-lapse microscopy movies. Cut-Detector employs an AI approach to carry out the multiple tasks required to monitor cytokinesis: cell segmentation and tracking, detection of cell division events, localization of the intercellular bridge, and detection of the microtubule cuts. Cut-Detector will facilitate large-scale analyses to uncover new cytokinetic genes, a task that would be impractical without automation.
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