Kinetochore Protein Ctf19
Kinetochore Protein Ctf19 - Related Videos
05:35
Immunofluorescence Analysis of Endogenous and Exogenous Centromere-kinetochore Proteins
0 Views •
Cited by 4 •
2016
Here we report protocols to detect endogenous and exogenous centromere-kinetochore proteins in human cells and quantify these protein levels at centromeres-kinetochores by indirect immunofluorescent staining through the use of fixation (paraformaldehyde, acetone, or methanol fixation).
12:28
Protein Purification Technique that Allows Detection of Sumoylation and Ubiquitination of Budding Yeast Kinetochore Proteins Ndc10 and Ndc80
0 Views •
Cited by 11 •
2015
This manuscript describes the detection of sumoylation and ubiquitination of kinetochore proteins, Ndc10 and Ndc80, in the budding yeast Saccharomyces cerevisiae.
13:59
Studying Mitotic Checkpoint by Illustrating Dynamic Kinetochore Protein Behavior and Chromosome Motion in Living Drosophila Syncytial Embryos
0 Views •
Cited by 1 •
2012
The kinetochore is where the SAC initiates its signal monitoring the mitotic segregation of the sister chromatids. A method is described to visualize the recruitment and turnover of one of the kinetochore proteins and its coordination with the chromosome motion in Drosophila embryos using a Leica laser scanning confocal system.
08:46
Green Fluorescent Protein-based Expression Screening of Membrane Proteins in Escherichia coli
0 Views •
Cited by 34 •
2015
A streamlined approach to screening for the expression of recombinant membrane proteins in Escherichia coli based on fusion to green fluorescent protein is presented.
06:26
Rapid Assessment of Membrane Protein Quality by Fluorescent Size Exclusion Chromatography
0 Views •
Cited by 2 •
2023
The present protocol describes a procedure to perform fluorescent size exclusion chromatography (FSEC) on membrane proteins to assess their quality for downstream functional and structural analysis. Representative FSEC results collected for several G-protein coupled receptors (GPCRs) under detergent-solubilized and detergent-free conditions are presented.
FAQs
Ctf19 assembles at centromeric chromatin as part of the Ctf19 complex. Its presence helps recruit and organize additional inner and outer kinetochore proteins, allowing the kinetochore to develop as a coordinated structure rather than as an isolated DNA-associated component. This assembly function helps establish the connection between centromeric DNA and the microtubule attachment machinery.
The connection organized by Ctf19 helps create a functional bridge across the kinetochore. Inner components associate with centromeric chromatin, while outer components contribute to microtubule attachment sites. By helping recruit and arrange both groups, the Ctf19 complex supports continuity between chromosome-associated regions and the spindle interface, which is essential for effective chromosome movement during cell division.
Defects in the Ctf19 pathway can disrupt the organization of kinetochore components and weaken the functional connection between centromeric chromatin and spindle microtubule attachment sites. When this chromosome-segregation machinery is impaired, chromosomes may not be distributed accurately during cell division. Consequently, Ctf19 provides a way to examine how failures in kinetochore organization contribute to genome instability.
Studying Ctf19 in budding yeast helps researchers investigate how kinetochores form, mature, and maintain accurate chromosome segregation. The system is especially useful because Ctf19 connects questions about centromeric chromatin organization with the function of microtubule attachment sites. Findings from this model can clarify the molecular basis of cell-division errors and chromosome missegregation.
Ctf19 is useful for genome-stability research because defects in its pathway are linked to chromosome missegregation. Examining this protein allows researchers to connect changes in kinetochore organization with errors in chromosome distribution. This relationship makes the Ctf19 complex a focused system for studying how cells preserve accurate inheritance of chromosomes during division.
Ctf19 studies can help evaluate whether kinetochore assembly and organization support accurate chromosome segregation. Researchers can relate the protein's association with centromeric chromatin to the recruitment of inner and outer components and to the formation of microtubule attachment sites. These observations provide context for understanding normal division as well as defects associated with chromosome missegregation.