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ISSN 0021-9525
EISSN 1540-8140
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Centrosomes withstand microtubule-mediated forces during spindle assembly, yet they are disassembled by similar forces during mitotic exit. Mittasch et al. use nanorheology to probe the material properties of centrosomes and how they change during the cell cycle. In anaphase, the centrosome scaffold becomes weak and brittle, thus allowing force-induced disassembly.

Cairo et al. show that in S. cerevisiae meiosis, spindle checkpoint proteins Bub1 and Bub3 have a critical role in preventing chromosome missegregation and setting the normal duration of anaphase I and II onset by regulating the kinetochore-localization of Ipl1 and PP1.

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