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Dynamics of kinetochore structure and its regulations during mitotic progression.
Cellular and Molecular Life Sciences ( IF 7.014 ) Pub Date : 2020-02-12 , DOI: 10.1007/s00018-020-03472-4
Masatoshi Hara,Tatsuo Fukagawa

Faithful chromosome segregation during mitosis in eukaryotes requires attachment of the kinetochore, a large protein complex assembled on the centromere of each chromosome, to the spindle microtubules. The kinetochore is a structural interface for the microtubule attachment and provides molecular surveillance mechanisms that monitor and ensure the precise microtubule attachment as well, including error correction and spindle assembly checkpoint. During mitotic progression, the kinetochore undergoes dynamic morphological changes that are observable through electron microscopy as well as through fluorescence microscopy. These structural changes might be associated with the kinetochore function. In this review, we summarize how the dynamics of kinetochore morphology are associated with its functions and discuss recent findings on the switching of protein interaction networks in the kinetochore during cell cycle progression.
更新日期:2020-02-12

 

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