Even searching for this is tricky, because you’ll see a ton of information on how the cell “knows” mitosis has begun and the chain reaction of what happens after that, but I found this article from 2015 [0], which refers to this Nature article [1].

[0] https://news.stanford.edu/2015/09/28/cell-division-skotheim-...

[1] https://www.nature.com/articles/nature14908