Results 71 to 80 of about 20,432 (180)

Overlap microtubules link sister k-fibres and balance the forces on bi-oriented kinetochores

open access: yesNature Communications, 2016
During metaphase, k-fibre microtubules exert force on kinetochores, but there are also non-kinetochore microtubules close to kinetochores without a known function.
Janko Kajtez   +17 more
doaj   +1 more source

Mechanisms to Avoid and Correct Erroneous Kinetochore-Microtubule Attachments

open access: yesBiology, 2017
In dividing vertebrate cells multiple microtubules must connect to mitotic kinetochores in a highly stereotypical manner, with each sister kinetochore forming microtubule attachments to only one spindle pole.
Michael A. Lampson   +1 more
doaj   +1 more source

Adventures of the undead at kinetochores

open access: yesMolecular & Cellular Oncology, 2021
At the metaphase-to-anaphase transition, phosphatase activity feeds back to reverse early mitotic phosphorylation events. Our recent work indicates that the pseudokinase domain of the spindle checkpoint protein BUB1 (Budding Uninhibited by Benzimidazoles
Sabine Elowe
doaj   +1 more source

Kinetochore inactivation by expression of a repressive mRNA. [PDF]

open access: yes, 2017
Differentiation programs such as meiosis depend on extensive gene regulation to mediate cellular morphogenesis. Meiosis requires transient removal of the outer kinetochore, the complex that connects microtubules to chromosomes.
Chen, Jingxun   +8 more
core   +2 more sources

Cep57 is a Mis12-interacting kinetochore protein involved in kinetochore targeting of Mad1–Mad2

open access: yesNature Communications, 2016
The spindle assembly checkpoint relies on the accumulation of Mad1-Mad2 at kinetochores, but the mechanism of regulation is not known. Here Zhou et al.
Haining Zhou   +4 more
doaj   +1 more source

Dissecting mitosis by RNAi in Drosophila tissue culture cells

open access: yesBiological Procedures Online, 2003
Here we describe a detailed methodology to study the function of genes whose products function during mitosis by dsRNA-mediated interference (RNAi) in cultured cells of Drosophila melanogaster.
Maiato Helder   +2 more
doaj   +1 more source

Complete microtubule–kinetochore occupancy favours the segregation of merotelic attachments [PDF]

open access: yes, 2018
Kinetochores are multi-protein complexes that power chromosome movements by tracking microtubules plus-ends in the mitotic spindle. Human kinetochores bind up to 20 microtubules, even though single microtubules can generate sufficient force to move ...
Dudka, Damian   +5 more
core   +2 more sources

MAD1: Kinetochore Receptors and Catalytic Mechanisms

open access: yesFrontiers in Cell and Developmental Biology, 2018
The mitotic checkpoint monitors kinetochore-microtubule attachment, delays anaphase onset and prevents aneuploidy when unattached or tensionless kinetochores are present in cells.
Yibo Luo, Ejaz Ahmad, Song-Tao Liu
doaj   +1 more source

Mechanisms mitigating problems with multiple kinetochores on one microtubule in early mitosis [PDF]

open access: yes, 2017
Proper chromosome segregation in mitosis relies on correct kinetochore interaction with spindle microtubules. In early mitosis, each kinetochore usually interacts with the lateral side of each microtubule and is subsequently tethered at the microtubule ...
Amberg   +39 more
core   +3 more sources

The binding of Borealin to microtubules underlies a tension independent kinetochore-microtubule error correction pathway

open access: yesNature Communications, 2019
How the chromosome passenger complex (CPC) phosphorylates the kinetochores that can be a micron away to control mitotic events is unknown. Here the authors find that the CPC directly binds microtubules near inner centromeres, which controls its ability ...
Prasad Trivedi   +5 more
doaj   +1 more source

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