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Fig. 4 | BMC Genomics

Fig. 4

From: Combined Transcriptome and Metabolome analysis of Pitaya fruit unveiled the mechanisms underlying Peel and pulp color formation

Fig. 4

Regulation of carotenoid biosynthesis pathway in pitaya fruit pulps and peels. The pathway uses GGPP geranyl-geranyl-PP to phytoene to convert it into downstream products. The enzymes which catalyze each step in the pathways are as following, PSY phytoene synthases, PDS phytoene desaturase, ZISO ζ-carotene isomerase, ZDS ζ-carotene desaturase, PLIS prolycopene isomerases, LYCE Lycopene ξ-cyclase, LYCB lycopene β-cyclase, BCIS β-carotene isomerases, CHXB/E ζ/β -ring hydroxlases (or LUT5), ZEP zeaxanthin epoxidase, and VDE violaxanthin de-epxidase. The peel and pulp colors are represented as following, Red peel and red pulp (RR), green peel and white pulp (GW), and yellow peel and white pulp (YW)

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BMC Genomics

ISSN: 1471-2164

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