Table 2.
Number of unigenes encoding key enzymes involved in polysaccharide biosynthesis in three Polygonatum plants.
| Enzyme name | EC number | Unigene Number | DEGs Number |
|---|---|---|---|
| beta-fructofuranosidase (sacA) | 3.2.1.26 | 9 | 6 |
| Hexokinase (HK) | 2.7.1.1 | 17 | 15 |
| Fructokinase (scrK) | 2.7.1.4 | 19 | 16 |
| mannose-6-phosphate isomerase (MPI) | 5.3.1.8 | 3 | 3 |
| Phosphomannomutase (PMM) | 5.4.2.8 | 3 | 3 |
| mannose-1-phosphate guanylyltransferase (GMPP) | 2.7.7.13 | 20 | 16 |
| GDP-mannose 4,6-dehydratase (GMDS) | 4.2.1.47 | 8 | 8 |
| GDP-L-fucose synthase (TSTA3) | 1.1.1.271 | 3 | 2 |
| glucose-6-phosphate isomerase (GPI) | 5.3.1.9 | 8 | 7 |
| Phosphoglucomutase (pgm) | 5.4.2.2 | 5 | 4 |
| UTP-glucose-1-phosphate uridylyltransferase (UGP2) | 2.7.7.9 | 7 | 6 |
| UDP-glucose 4-epimerase (GALE) | 5.1.3.2 | 12 | 12 |
| UDP-glucuronate 4-epimerase (UGE) | 5.1.3.6 | 18 | 14 |
| UDP glucose 6-dehydrogenase (UGDH) | 1.1.1.22 | 11 | 9 |
| UDP-apiose/xylose synthase (AXS) | AXS | 5 | 3 |
| UDP-arabinose 4-epimerase (UXE) | 5.1.3.5 | 5 | 3 |
| UDP-glucose 4,6-dehydratase (RHM) | 4.2.1.76 | 8 | 6 |
| 3,5-epimerase/4-reductase (UER1) | 5.1.3-,1.1.1- | 2 | 2 |