Fission yeast and budding yeast are free-living haploid cells that are easily grown in the laboratory. They have different cell shapes and patterns of division. Left, fission yeast; right, budding ...

(a) A scanning electron microscope (SEM) image of the nanoneedle probe used for the measurements. (b) Elasticity map of a 1 µm × 1 µm area on the nuclear surface, showing the change in elasticity ...