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. 2021 Jul 31;10(8):1949. doi: 10.3390/cells10081949

Figure 6.

Figure 6

Expression analyses of R2R3-MYB genes in pulps during fruit ripening of ‘Guanhuahong’ pitaya. (A) Pulp coloration of fruit ripening of ‘Guanhuahong’ pitaya. Bars = 2 cm. (B) Contents of betacyanin and betaxanthin in pulps during fruit ripening of ‘Guanhuahong’ pitaya. DAF, day after flowering. (C) A brief pathway of betalain biosynthesis in pitaya. (D) Expression analyses of four structural genes of betalain biosynthesis pathway (labeled in pink), and candidate up-regulated (labeled in green) and down-regulated (labeled in blue) R2R3-MYB genes in pulps during fruit ripening of ‘Guanhuahong’ pitaya.