Figure 6From: Inhibition of phenylpropanoid biosynthesis increases cell wall digestibility, protoplast isolation, and facilitates sustained cell division in American elm (Ulmus americana)Electrofusion of American elm protoplasts. American elm protoplasts, a; aligned in AC current, b; shortly after DC pulses, c; fused together after DC pulses, d-f; fused heterokaryon with nuclei stained with DAPI with UV excitation and decreasing light levels, and g; putitive fusion product embedded in agarose bead stained with FDA for viability.Back to article page