生物再進行細胞分裂前，都會先經過染色體複製……」這句國、高中聽生物老師重複講述的課本內容，你還記得嗎？不過在不久的未來，這句話很可能會被加上但書……

親子與教育

政治與評論

健康與情感

Shepher シェファー的沙龍

For hundreds of years there have only been two main types of cell division in animals. But now researchers have identified a new and unexpected kind of cell division that occurs without DNA being replicated. 

Discovered in zebrafish skin cells, this newly spotted division, called asynthetic fission, could be a temporary measure used when growth is fast to make sure there's enough skin to go around.

Read the paper: https://www.nature.com/articles/s41586-022-04641-0

For more stories like these sign up for the Nature Briefing: An essential round-up of science news, opinion and analysis, free in your inbox every weekday: https://go.nature.com/371OcVF

Shepher シェファー

🦠即將改寫教科書？中研院研究「無合成分裂」榮登《Nature》期刊