Research demonstrates PLK-1 ensures accurate chromosome segregation during meiosis in C. elegans, highlighting its unique adaptations.
Meiotic chromosome segregation in oocytes often relies on meiosis-specific modifications of mitotic molecular mechanisms to respond to the unique challenges of this asymmetric division. In this issue, Narula and Wignall (https://doi.org/10.1083/jcb.202503080) demonstrate how the conserved polo-like kinase in Caenorhabditiselegans, PLK-1, has been repurposed in unexpected ways to ensure accurate meiotic chromosome segregation during oogenesis.
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Needhi Bhalla (2025) studied this question.
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