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Table 2 Biomass composition of T. erythraeum

From: The use of genome-scale metabolic network reconstruction to predict fluxes and equilibrium composition of N-fixing versus C-fixing cells in a diazotrophic cyanobacterium, Trichodesmium erythraeum

Metabolite Mass fraction (g/g DW) Biomass coefficient (mmol/g DW)
N2 KNO3 N2 KNO3
Protein 0.289 0.438 2.12 × 10-4 2.66 × 10-4
Phycoerythrina 1.54 × 10-2 3.67 × 10-2 2.64 × 10-2 4.46 × 10-4
Cyanophycina 3.80 × 10-2 9.33 × 10-2 6.96 × 10-2 4.31 × 10-2
Carbohydrate 0.265 0.351 4.59 × 10-1 5.33 × 10-1
RNA 9.18 × 10-2 6.51 × 10-2 2.88 × 10-3 2.46 × 10-3
DNA 4.28 × 10-2 2.40 × 10-2 1.39 × 10-3 1.09 × 10-3
Lipids 0.1370 7.40 × 10-2 3.89 × 10-3 3.00 × 10-3
Phycocyaninb 2.60 × 10-2 3.67 × 10-2 4.45 × 10-2 5.37 × 10-2
Chlorophyllb 8.91 × 10-3 0.424 × 10-3 9.99 × 10-3 7.37 × 10-3
Soluble Pool 2.86 × 10-2 2.86 × 10-2 3.79 × 10-2 3.79 × 10-2
Total 0.914 1.04 -  
  1. The biomass equation is the molar concentration of the metabolite predicted by the computational molar mass and uses the values from the ambient air (N2) grown cultures. The “Soluble Pool” is a collection of soluble metabolites that are more or less conserved between organisms for survival (including small sugars, energy carrying molecules, etc.) aSubset of protein measurement. bSubset of lipid measurement