Figure 2From: Super-resolution imaging with Pontamine Fast Scarlet 4BS enables direct visualization of cellulose orientation and cell connection architecture in onion epidermis cellsConfocal micrographs of the onion bulb scale epidermis co-stained with PFS and Carboxyfluorescein-Diacetate (CFDA) for 4 h show non-toxicity of PFS. (A) Bright field image. (B) CFDA fluorescence. (C) PFS fluorescence. (D) Overlay of B and C. Scale bars 50 μm.Back to article page