Table 2.
The origin or gene family of flavonoid biosynthetic genes.
| Gene | Abbreviation | Origin/gene family |
|---|---|---|
| Chalcone synthase | CHS | Type III polyketide synthase |
| Chalcone isomerase | CHI | Fatty acid binding protein |
| Chalcone isomerase-like | CHIL | Fatty acid binding protein |
| Flavanone 3-hydroxylase | F3H | 2-oxoglutarate-dependent dioxygenase (DOXC28) |
| Flavone synthase I | FNS I | 2-oxoglutarate-dependent dioxygenase (DOXC28) |
| Flavone synthase II | FNS II | Cytochrome P450 (CYP93B) |
| Isoflavone synthase | IFS | Cytochrome P450 (CYP93C) |
| Flavonoid 3′-hydroxylase | F3′H | Cytochrome P450 (CYP75) |
| Flavonoid 3′,5′-hydroxylase | F3′5′H | Cytochrome P450 (CYP75) |
| Flavonol synthase | FLS | 2-oxoglutarate-dependent dioxygenase (DOXC47) |
| Dihydroflavonol 4-reductase | DFR | Short-chain dehydrogenase (SDR108E) |
| Leucoanthocyanidin dioxygenase/anthocyanidin synthase | LDOX/ANS | 2-oxoglutarate-dependent dioxygenase (DOXC47) |
| Anthocyanidin reductase | ANR | Short-chain dehydrogenase (SDR108E) |
| Leucoanthocyanidin reductase | LAR | Short-chain dehydrogenase (SDR460A) |
| Glycosyltransferase | GT | Family 1 glycosyltransferase, glycoside hydrolase family 1 |
| Acyltransferase | AT | BAHD acyltransferase, serine carboxypeptidase-like acyltransferase |
| Methyltransferase | MT | Methyltransferase |