This protocol describes an original setup combining spectral and fluorescence lifetime measurements to evaluate Förster resonance energy transfer (FRET) between rhodamine-based fluorescent probes and lignin polymer directly in thick plant sections.
Terryn, C., Habrant, A., Paës, G., Spriet, C. Measuring Interactions between Fluorescent Probes and Lignin in Plant Sections by sFLIM Based on Native Autofluorescence. J. Vis. Exp. (155), e59925, doi:10.3791/59925 (2020).