Active polymerization regions of G and S monolignols show different temporal and spatial change patterns in the multicellular space during lignification and its inhibition of the fruit flesh

The newly synthesized S-unit lignin in fruit flesh was visualized for the first time. Distinct spatiotemporal polymerization patterns of G- and S-unit lignin were found during postharvest lignification and its inhibition, and the corresponding cellular model was proposed.