Phosphorylation of a surface protein on endosomes is key to the organelles’ uneven distribution in daughter cells.

Phosphorylation of a protein called Sara found on the surface of endosomes appears to be a key regulator of asymmetric splitting in fruit flies.

Human cancer cells constrained to capillary-like microtubes divide unevenly, scientists show.

New findings challenge long-held views about the mechanism yeast cells use to live forever.