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
6 February, 2026
MASSIV 1.0
At MASSIV 1.0, held in Vancouver, Canada, from 19 to 22 January, 2026, Tomoya Kitajima delivered an invited lecture, and Kohei Asai presented a poster.
3 February, 2026
A new member joined
Shengqun Hou (Research Associate) joined our lab in February.
23 January, 2026
"Dynamic Reproductive Lifespan" Next Generation Scientist Meeting
Tomoya Kitajima, So Shimamoto, Manami Koshiguchi, Mihoko Fushii, and Remi Kanemu attended the Next Generation Scientist Meeting of Grant-in-Aid for Transformative Research Areas（A) "Dynamic Reproductive Lifespan" held in Kumamoto on 13 January, 2026 and presented their researches. So and Remi won the Best Poster Awards.
23 January, 2026
SOKENDAI Life Science Retreat 2025
Tomoya Kitajima was invited to present our research at SOKENDAI Life Science Retreat 2025 held in Minamitsuru from 8 to 9 January, 2026.
Upcoming Events
2 March - 3 March, 2026
2 March - 6 March, 2026
12 April - 15 April, 2026
Mitotic spindle:
From living and synthetic systems to theory