How do chromosomes divide?

In a body, every single cell has the same number of chromosomes. This is because when a cell divides, the replicated chromatids are equally segregated into daughter cells. But, the first meiotic division is a clear exception. This division segregates maternal and paternal chromosomes for production of eggs and sperms, which are the origin of a new life. What is the story behind this division?

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News

11 May, 2018

Our new paper has been published. We found a new molecular pathway for the maintenance of chromosome cohesion. 

Ding, Y., Kaido, M., Llano, E., Pendas, A.M., and Kitajima, T.S.

The post-anaphase SUMO pathway ensures the maintenance of centromeric cohesion through meiosis I-II transition in mammalian oocytes

Current Biology https://doi.org/10.1016/j.cub.2018.04.019


11 May, 2018

Shanghai Jiao Tong University 

Tomoya Kitajima gave a three-day lecture at Zhiyuan College in Shanghai Jiao Tong University from May 9 to 11.


20 April, 2018

New members joined!! 

Osamu Takenouchi (JSPS Research Fellow) and Tappei Mishina (JSPS Research Fellow), and Kohei Asai (Student trainee) joined our lab from Apri!!


20 April, 2018

International Titisee Conference 

Tomoya Kitajima was invited to present our research at the 117th International Titisee Conferenfe From oocyte to embryo - illuminating the origins of life, held in Titisee-Neustadt, Germany from 11-15 April.


23 March, 2018

RIKEN Research Incentive Award 

The RIKEN Research Incentive Award 2017 has been awarded to Hirohisa Kyogoku. Congratulations!