Fig. 3
From: Optimization of protoplast regeneration in the model plant Arabidopsis thaliana

Microcalli formation in CIM. a–p Images of callus taken at the indicated time points (days) after incubation in CIM (DAC): 0 DAC (a–d), 7 DAC (e–h), 14 DAC (i–l), and 21 DAC (m–p). Scale bars = 1 mm