Bio-molecular applications of recent developments in optical tweezers

D Choudhary, A Mossa, M Jadhav, C Cecconi - Biomolecules, 2019 - mdpi.com
In the past three decades, the ability to optically manipulate biomolecules has spurred a new
era of medical and biophysical research. Optical tweezers (OT) have enabled experimenters …

Anaphase A: disassembling microtubules move chromosomes toward spindle poles

CL Asbury - Biology, 2017 - mdpi.com
The separation of sister chromatids during anaphase is the culmination of mitosis and one of
the most strikingly beautiful examples of cellular movement. It consists of two distinct …

Human Ska complex and Ndc80 complex interact to form a load-bearing assembly that strengthens kinetochore–microtubule attachments

LA Helgeson, A Zelter, M Riffle… - Proceedings of the …, 2018 - National Acad Sciences
Accurate segregation of chromosomes relies on the force-bearing capabilities of the
kinetochore to robustly attach chromosomes to dynamic microtubule tips. The human Ska …

Recruitment of two Ndc80 complexes via the CENP-T pathway is sufficient for kinetochore functions

Y Takenoshita, M Hara, T Fukagawa - Nature communications, 2022 - nature.com
To form functional kinetochores, CENP-C and CENP-T independently recruit the KMN
(Knl1C, Mis12C, and Ndc80C) network onto the kinetochores. To clarify the functions of the …

Recent advances in biological single-molecule applications of optical tweezers and fluorescence microscopy

MH Shabestari, AEC Meijering, WH Roos… - Methods in …, 2017 - Elsevier
Over the past two decades, single-molecule techniques have evolved into robust tools to
study many fundamental biological processes. The combination of optical tweezers with …

[HTML][HTML] SPC25 promotes proliferation and stemness of hepatocellular carcinoma cells via the DNA-PK/AKT/Notch1 signaling pathway

J Yang, Y Huang, M Song, Q Pan, J Zhao… - … Journal of Biological …, 2022 - ncbi.nlm.nih.gov
The imbalance of kinetochore-microtubule attachment during cell mitosis is a response to
the initiation and progression of human cancers. Spindle component 25 (SPC25) is …

Kinetochore assembly and function through the cell cycle

H Nagpal, T Fukagawa - Chromosoma, 2016 - Springer
The kinetochore is an essential structure for the chromosome segregation machinery in
eukaryotes; it serves as a bridge between the spindle microtubules and chromosomes. The …

CCAN assembly configures composite binding interfaces to promote cross-linking of Ndc80 complexes at the kinetochore

GP Altunkaya, F Malvezzi, Z Demianova, T Zimniak… - Current Biology, 2016 - cell.com
Partitioning of the genome requires kinetochores, large protein complexes that mediate
dynamic attachment of chromosomes to the spindle. Kinetochores contain two …

Nanoscale structural organization and stoichiometry of the budding yeast kinetochore

K Cieslinski, YL Wu, L Nechyporenko, SJ Hörner… - Journal of Cell …, 2023 - rupress.org
Proper chromosome segregation is crucial for cell division. In eukaryotes, this is achieved by
the kinetochore, an evolutionarily conserved multiprotein complex that physically links the …

The Ndc80 complex bridges two Dam1 complex rings

JO Kim, A Zelter, NT Umbreit, A Bollozos, M Riffle… - Elife, 2017 - elifesciences.org
Strong kinetochore-microtubule attachments are essential for faithful segregation of sister
chromatids during mitosis. The Dam1 and Ndc80 complexes are the main microtubule …