Table 1.
Relative quantification of the different metabolites detected in the three maize Genotypes growing under nitrogen limitation.
| Leaf | Stem | Root | ||||
|---|---|---|---|---|---|---|
| Metabolite | 150/100 | 200/100 | 150/100 | 200/100 | 150/100 | 200/100 |
| P-COMPOUNDS | ||||||
| Phosphate | 1.6 | 1.5 | 1.1 | −1.4 | 2.1 | 1.1 |
| Glucose-6-phosphate | −2.0 | −1.7 | −1.9 | −3.9 | 2.1 | 1.8 |
| N-COMPOUNDS | ||||||
| Alanine | 1.1 | −3.8 | −4.7 | −2.7 | 1.5 | 1.1 |
| Aspartate | −1.9 | −1.6 | −3.2 | −6.2 | 1.4 | 1.1 |
| Glutamate | 1.2 | −1.4 | −2.2 | −2.2 | 1.9 | −1.1 |
| Glycine | −2.2 | −1.7 | −23.7 | −28.8 | −1.4 | −1.7 |
| Isoleucine | −3.9 | −1.4 | −4.8 | −4.7 | 1.4 | 2.1 |
| Serine | −1.7 | −3.1 | −34.8 | −26.1 | 1.1 | −1.4 |
| Threonine | −1.6 | −2.4 | −10.1 | −7.5 | 1.5 | −1.1 |
| Tryptophan | −1.3 | 1.2 | −1.4 | −2.1 | −1.1 | −1.2 |
| Total Amino Acids | −1.1 | −1.5 | −11.0 | −7.8 | 1.2 | −2.3 |
| C-COMPOUNDS | ||||||
| Organic acids | ||||||
| Citrate | 1.4 | −1.2 | −6.2 | −1.9 | 1.2 | 2.7 |
| Malate | −1.7 | −2.7 | −1.3 | −1.5 | 1.2 | 1.8 |
| Succinate | −1.4 | −1.3 | −1.9 | 1.0 | 1.6 | 2.6 |
| Carbohydrates | ||||||
| Fructose | 3.4 | −2.1 | 7.3 | −1.8 | 6.8 | 1.0 |
| Glucose | 2.4 | −6.1 | 3.3 | −3.1 | 12.4 | 2.1 |
| C6-sugar | 3.9 | −2.2 | 3.7 | −3.0 | 4.0 | 1.8 |
| Sucrose | 1.0 | −2.3 | 1.9 | 1.0 | 2.3 | 1.6 |
| Myo-inositol | −1.5 | −3.9 | −1.6 | −3.9 | 1.3 | 1.3 |
| Galactinol | 1.3 | −1.3 | −1.3 | 1.5 | 1.8 | 1.8 |
| Total Sugars | 1.4 | −1.6 | 3.0 | 1.1 | 1.9 | 1.4 |
| Total Starch | 2.8 | 1.9 | −1.4 | −2.5 | 1.0 | −1.2 |
>+10.0
+2.0 to +10.0
+1.5 to +2.0
1
−1.5 to −2.0
−2.0 to −10.0
<−10.0