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This correspondence critically evaluates a hypothesis proposed by Akiyoshi regarding the evolution of eukaryotic cell division machinery.

February 16, 2026Journal of Cell Science1 citationsOpen Access

The LECA had a conventional kinetochore and the kinetoplastid kinetochore is a derived feature – a critical evaluation of Akiyoshi, 2025

MRMaximilian W. D. RaasRoyal Netherlands Academy of Arts and Sciences JHJolien J. E. Van HooffWageningen University & Research JLJ. LukesSewanee: The University of the South

Key Points

This correspondence critically evaluates a hypothesis proposed by Akiyoshi regarding the evolution of eukaryotic cell division machinery.
Analysis of Akiyoshi's hypothesis on kinetochore features
Comparison of conventional and derived kinetochore structures
Evaluation of implications for eukaryotic evolution
The hypothesis presents a highly implausible scenario for the evolution of eukaryotic cell division.
Conventional and derived kinetochore features differ significantly in their evolutionary context.

Abstract

Summary: Akiyoshi, 2025 presented a hypothesis with implications for the early evolution of eukaryotes and eukaryotic cell division machinery. In this Correspondence, the authors conclude that this hypothesis leads to a highly implausible scenario.

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