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Table 4 Biomass formation equations

From: Flux balance analysis of primary metabolism in Chlamydomonas reinhardtii

 

Biomass Formation Equation (moles/kg biomass)

 

Autotrophic

Mixotrophic

Heterotrophic

DNA

0.002

0.002

0.002

RNA

0.051

0.051

0.051

Protein

2.005

2.328

1.706

Carbohydrate

2.008

1.513

1.752

Lipid

0.203

0.298

0.307

Chlorophyll a

0.010

0.008

0.020

Chlorophyll b

0.016

0.014

0.009

ATP (polymerization)

9.350

13.320

8.890

ATP (maintenance)

29.890

29.890

29.890

  1. Biomass formation equation given in moles per kg biomass. Protein, lipid, chlorophyll were measured independently for each growth regime. DNA and RNA content were assumed the same for all cases and carbohydrates was assumed to be the balance. Polymerization energy includes energy required for protein, RNA and DNA polymerization and maintenance is based on a fitted value for heterotrophic growth.