On Sunday, April 20th 2025, starting 8:30am GMT, there will be maintenance work that will involve the website being unavailable during parts of the day. We apologize for any inconvenience this may cause and appreciate your understanding.
We noted you are experiencing viewing problems
-
Check with your IT department that JWPlatform, JWPlayer and Amazon AWS & CloudFront are not being blocked by your network. The relevant domains are *.jwplatform.com, *.jwpsrv.com, *.jwpcdn.com, jwpltx.com, jwpsrv.a.ssl.fastly.net, *.amazonaws.com and *.cloudfront.net. The relevant ports are 80 and 443.
-
Check the following talk links to see which ones work correctly:
Auto Mode
HTTP Progressive Download Send us your results from the above test links at access@hstalks.com and we will contact you with further advice on troubleshooting your viewing problems. -
No luck yet? More tips for troubleshooting viewing issues
-
Contact HST Support access@hstalks.com
-
Please review our troubleshooting guide for tips and advice on resolving your viewing problems.
-
For additional help, please don't hesitate to contact HST support access@hstalks.com
We hope you have enjoyed this limited-length demo
This is a limited length demo talk; you may
login or
review methods of
obtaining more access.
Printable Handouts
Navigable Slide Index
- Introduction
- The cell cycle
- Cohesin in the cell cycle
- Chromatids arrangement at spindal pole
- Tension-dependent reorientation
- Kinetochore geometry (1)
- Kinetochore geometry (2)
- Chromatids separation in meiosis and mitosis
- Kinetochore geometry during meiosis (1)
- Kinetochore geometry during meiosis (2)
- Organization of centromeres (1)
- Monopolin complex in budding yeast
- Models for mono-polar attachment at meiosis I
- Organization of centromeres (2)
- Cohesion complex in meiosis and mitosis (1)
- Studies of chromosomes segregation at meiosis
- Cohesin is defining kinetochore orientation
- Rec8 vs. Rad21 at the centromere
- Cohesion-mediated kinetochore orientation model
- The central core cohesion in moa1 mutant
- A lacO array in the core centromere
- Excision of core centromeres (1)
- Excision of core centromeres (2)
- Cohesion depends on Moa1 as well as Rec8
- Cohesion is disrupted at prophase II
- Cohesion complex in meiosis and mitosis (2)
- Centromeric resolution in mitosis
- Disestablishment of cohesion during mitosis (1)
- Disestablishment of cohesion during mitosis (2)
- Kinetochore geometry of mono-orientation
- Artificial tether at the core centromere
- Artificial tether restores mono-orientation
- Artificial tether induces mono-orientation in mitosis
- Core centromeres regulate orientation
- Tether applied to the non-cohered chromatids
- Shugoshin allows segregation at meiosis II
- Tether applied to the non-cohered chromosomes
- Opposite tethers effects at centromeric regions
- Kinetochore orientation is regulated by cohesion
- Acknowledgements
Topics Covered
- The cell cycle
- Aurora B-dependent destabilization
- The attachment is stabilized under tension
- Tension-dependent reorientation
- Kinetochore geometry
- Organization of centromeres
- Budding yeast
- Two models to account for the mono-polar attachment at meiosis I
- Rec8 vs. Rad21 at the centromere
- Cohesion-mediated kinetochore orientation model
- Is the central core cohesion defective in moa1Δ?
- A lacO array in the core centromere
- Excision of core centromeres
- Cohesion at core centromeres depends on Moa1 as well as Rec8
- Cohesion at core centromeres is disrupted at prophase II
- Centromeric resolution in mitosis
- Core centromere is intrinsically prevented from establishment of cohesion
- Artificial tether at the core centromere
- Opposite effects of tethers at the core and peri-centromeric regions
Talk Citation
Watanabe, Y. (2009, April 30). Geometric regulation of kinetochore orientation [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved April 15, 2025, from https://doi.org/10.69645/UCTU5710.Export Citation (RIS)
Publication History
Financial Disclosures
- Prof. Yoshinori Watanabe has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.