Table 5.
Detailed information for the five candidate genes with highest consensus revealed by metabolic reactions, genome‐wide association study (GWAS) and expression profile
| Reactions | Enzyme | Genes | Traits | Marker | Chr | Pos. | P | Marker R 2 | Root of inbred line 178 after 6 h under Pi deficiency/log2 (low‐Pi/control) ratio | Root of inbred line 178 after 24 h under Pi deficiency/log2 (low‐Pi/control) ratio | Root of inbred line 178 after 72 h under Pi deficiency/log2 (low‐Pi/control) ratio | Leaf of inbred line B73 under Pi deficiency/log2 (low‐Pi/control) ratio |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Glucose → glucose‐6‐phosphate | Hexokinase | GRMZM2G051806 | Primary root fresh weight‐CK | PZE‐106074800‐FWPR | 6 | 129981085 | 1.07E–5 | 0.06156 | 2.184 | −3.135 | −3.318 | −1.402 |
| Glucose → glucose‐6‐phosphate | Phosphoglucomutase | GRMZM2G025854 | Total root fresh weight‐INDEX | PZE‐103171255 | 3 | 218258052 | 1.65E–6 | 0.07265 | 1.317 | 3.601 | −0.488 | – |
| Glucose 6‐phosphate → fructose‐6‐phosphate | Glucose‐6‐phosphate 1‐epimerase | GRMZM2G039588 | Seminal root fresh weight‐CK/total root fresh weight‐CK | PUT‐163a‐74240952‐3656‐FWSR/SYN31699‐FWSR | 2 | 4176239/4177253 | 6.5E–6/1.01E–5 | 0.06358/0.06532 | −0.421 | −2.401 | −0.440 | 1.430 |
| Aspartic acid → threonine | Threonine synthase | GRMZM2G050570 | Crown root fresh weight‐INDEX | SYN19671 | 3 | 206590086 | 4.91E–6 | 0.07161 | 0.936 | 1.636 | −0.264 | – |
| Uric acid → allantoin | FAD‐dependent urate hydroxylase | GRMZM5G841893 | Root biomass‐INDEX | SYNGENTA15038 | 9 | 152825427 | 1.2E–5 | 0.05973 | – | – | – | – |