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. 2021 Nov 26;10(12):2590. doi: 10.3390/plants10122590

Figure 4.

Figure 4

Relative expression of genes involved in the biosynthesis (A), degradation (B), and recycling (C) of AsA in petals of closed flowers (CF) and flowers at anthesis (AF) of Valencia Late orange (Citrus sinensis). The genes analyzed were GMP, GME, GGP, GPP, GalDH, and GalLDH of the L-galactose biosynthesis pathway; GalUR5, GalUR8, GalUR10, GalUR12, GalUR14, and GalUR17 of the D-galacturonic biosynthesis pathway; MIOX, of the myo-inositol pathway; AO, APX1, APX2, APX3, and APX4 involved in AsA degradation; and MDHAR1, MDHAR2, MDHAR3, DHAR1, and DHAR2, involved in AsA recycling. An expression value of 1 was arbitrarily assigned to the values obtained in the flavedo of fruit in June. Results are the mean ± S.E of at least three replicates.