Phylogenetic relationship of stay green (SGR) proteins and transient assays of LcSGR. A. Transient assays of LcSGR in Nicotiana benthamiana leaf show the induction of substantial chlorophyll loss. B. A Loss of chlorophyll fluorescence due to chlorophyll degradation using a chlorophyll fluorometer. C. Phylogenetic relationship between LcSGR and other SGRs proteins from other plant species.