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. 2021 Feb 11;33(5):1554–1573. doi: 10.1093/plcell/koab055

Figure 7.

Figure 7

Proposed model for oligosaccharide hydrolysis and sugar transport in watermelon. A, Sta and Raf, along with Suc, are the main translocated sugars in the stem. B, The outstretched vascular parenchymal cell in (A). C, Sugar flow in stem. D, The fruit vascular bundle and FP cell. E, RFOs are hydrolyzed by ClAGA2 in fruit vascular parenchymal cells. ClVST1 unloads Suc from fruit vascular parenchymal cells into the intercellular space (Ren et al., 2020). F, ClSWEET3 transports hexose to FP cells for storage from the intercellular space, and ClTST2 accumulates sugars in vacuoles (Ren et al., 2018).