Table 1 AMBIENT modules differentially regulated in response to nitrogen stress
Module | q-value | No. of reactions | No. of metabolites | Reactions with associated genes | Specific function(s) |
|---|---|---|---|---|---|
Up | |||||
  u1 | <0.004 | 8 | 2 | 8 | Nitrate/nitrite uptake and assimilation |
  u2 | 0.00 | 3 | 2 | 3 | Cytosine/uracil uptake and assimilation |
  u3 | 0.02 | 6 | 2 | 6 | Ethanolamine uptake and assimilation |
  u4 | 0.02 | 4 | 2 | 4 | Arginine/ornithine metabolism |
  u5 | 0.02 | 4 | 3 | 4 | Histidine degradation |
  u6 | 0.01 | 1 | 1 | 1 | Arginine metabolism |
  u7 | 0.02 | 1 | 1 | 1 | Ammonium transport |
  u8 | 0.02 | 4 | 1 | 4 | Cation transport |
  u9 | 0.02 | 1 | 1 | 1 | Cyanate degradation |
  u10 | 0.02 | 5 | 4 | 5 | Fatty acid metabolism |
  u11 | 0.02 | 1 | 1 | 1 | Hydrogen peroxide metabolism |
  u12 | 0.02 | 1 | 1 | 1 | Hydrogen peroxide metabolism |
  u13 | 0.02 | 1 | 1 | 1 | Hydrogen peroxide metabolism |
  u14 | 0.03 | 3 | 2 | 3 | Energy metabolism |
  u15 | 0.03 | 2 | 1 | 2 | Thiamine transport and assimilation |
  u16 | 0.04 | 4 | 1 | 4 | Galactose metabolism |
  u17 | 0.03 | 1 | 1 | 1 | Allantoin transport |
  u18 | 0.03 | 1 | 1 | 1 | Hydrogen peroxide metabolism |
  u19 | 0.04 | 3 | 1 | 3 | Gluconate degradation |
  u20 | 0.04 | 2 | 1 | 1 | Fatty acid metabolism |
  uHP | <0.004 | 4 | 1 | 4 | Hydrogen peroxide metabolism |
Down | |||||
  d1 | <.004 | 152 | 75 | 110 | LPS, RNA and DNA synthesis, central carbon metabolism |
  d3 | 0.04 | 5 | 3 | 5 | Pantothenate metabolism |
  d4 | 0.04 | 4 | 2 | 3 | Fatty acid metabolism |
  d5 | 0.04 | 4 | 3 | 0 | Isoprenoid utilization |
  d6 | 0.05 | 4 | 2 | 3 | Fatty acid metabolism |
  d7 | 0.04 | 3 | 2 | 2 | Xylose uptake and assimilation |