Table 2 Number of unigenes encoding key enzymes involved in starch and sucrose biosynthesis and amino and nucleotide sugar metabolism in P. cyrtonema
Enzyme name | EC number | Unigene Number | No. in tubers | No. in roots | No. in leaves |
|---|---|---|---|---|---|
β-Fructofuranosidase (sacA) | 3.2.1.26 | 35 | 15 | 19 | 17 |
Hexokinase (HK) | 2.7.1.1 | 24 | 8 | 11 | 8 |
Fructokinase (scrK) | 2.7.1.4 | 14 | 6 | 5 | 7 |
Mannose-6-phosphate isomerase (MPI) | 5.3.1.8 | 3 | 3 | 3 | 3 |
Phosphomannomutase (PMM) | 5.4.2.8 | 10 | 4 | 6 | 7 |
Mannose-1-phosphate Guanylyltransferase (GMPP) | 2.7.7.13 | 14 | 5 | 5 | 8 |
GDP-mannose 4,6-dehydratase (GMDS) | 4.2.1.47 | 7 | 4 | 4 | 4 |
GDP-l-fucose synthase (TSTA3) | 1.1.1.271 | 3 | 0 | 2 | 2 |
Glucose-6-phosphate isomerase (GPI) | 5.3.1.9 | 17 | 9 | 10 | 9 |
Phosphoglucomutase (pgm) | 5.4.2.2 | 11 | 5 | 6 | 5 |
UTP-glucose-1-phosphate Uridylyltransferase (UGP2) | 2.7.7.9 | 117 | 52 | 64 | 64 |
UDP-glucose 4-epimerase (GALE) | 5.1.3.2 | 13 | 7 | 8 | 8 |
UDP-glucuronate 4-epimerase (UGE) | 5.1.3.6 | 12 | 4 | 4 | 4 |
UDP-glucose 6-dehydrogenase (UGDH) | 1.1.1.22 | 7 | 4 | 2 | 2 |
UDP-apiose/xylose synthase (AXS) | AXS | 7 | 4 | 5 | 2 |
UDP-arabinose 4-epimerase (UXE) | 5.1.3.5 | 23 | 6 | 7 | 8 |
UDP-glucose 4,6-dehydratase (RHM) | 4.2.1.76 | 16 | 6 | 10 | 9 |
3,5-Epimerase-4-reductase (UER1) | 5.1.3.- 1.1.1.- | 4 | 2 | 4 | 3 |