Table 1.

Candidate unigenes involved in biosynthetic pathways of phenylpropanoids and flavonoids in the transcriptome of Gnetum parvifolium.

KEGG	Gene	Gene name	Number	Identities (%)
Phenylpropanoids	PAL	Phenylalanine ammonia-lyase	7	61.3–82.6
	C4H	Cinnamic acid 4-hydroxylase	2	67.5–82.0
	4CL	4-coumarate coenzyme A ligase	6	50.3–69.0
	CCR	Cinnamoyl-CoA reductase	1	78.1
	CAD	Cinnamyl alcohol dehydrogenase	14	52.4–85.7
	KatG	Catalase-peroxidase 1	2	77.9–76.5
	UGT72E	Coniferyl-alcohol glucosyltransferase	2	45.6–54.0
	HCT	Shikimate O-hydroxycinnamoyltransferase	6	43.1–62.8
	C3′H	p-Coumarate 3-hydroxylase	5	48.6–71.7
	CCOAMT	Caffeoyl-CoA O-methyltransferase	6	52.4–87.6
	F5H	Ferulate 5-hydroxylase	3	47.4–52.2
	REF1	Aldehyde dehydrogenase	2	74.2–89.0
	PRD	1-Cys peroxiredoxin	2	56.0–64.7
	PRX	Peroxidase	68	44.2–79.6
Flavonoids	CHS	Chalcone synthase	18	55.8–79.1
	CHI	Chalcone isomerase	1	42.9
	F3H	Flavanone 3-hydroxylase	2	41.6–43.0
	FLS	Flavonol synthase	2	43.0–46.2
	DFR	Dihydroflavonol-4-reductase	7	41.5–67.4
	F3′H	Flavonoid 3′-hydroxylase	8	41.4–57.4
	F3′5′H	Flavonoid 3′, 5′-hydroxylase	1	55.3
	LAR	Leucoanthocyanidin reductase	1	56.1
	ANR	Anthocyanidin reductase	2	47.7–55.2
	CCOAMT	Caffeoyl-CoA O-methyltransferase	6	52.4–87.6
	F3OMT	Flavonol 3-O-methyltransferase	6	40.7–59.0

Unigenes with more than 40% identities with functionally validated enzymes were selected from Supplementary Table S7.