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. 2021 Aug 1;8:186. doi: 10.1038/s41438-021-00624-w

Fig. 2. Histochemical analysis of GUS activity in transgenic tomato plants.

Fig. 2

a Histochemical staining of GUS activity driven by the promoter of SlSWEET7a in flowers. bf Histochemical staining of GUS activity driven by the promoter of SlSWEET14 in different tissues. b Flowers, c sepals, d peduncles, and e fruits of the expanding period and f fruits of the mature green stage (left) and red ripe stage (right). The scale bars correspond to 2000 μm