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Table 1 Model overview.

From: Long-term prediction of fish growth under varying ambient temperature using a multiscale dynamic model

Submodel Variables Interpetation Dim. Eqn. Param. timescale
Protein a a Free amino acids (AA) concentration 20 Table 2 Table 3 medium
  a p Amino acids channeled to protein synthesis 20    medium
  a b Amino acids channeled to catabolism (break-down) 20    medium
  p a Tissue protein, given by its amino acids composition 20    slow
Lipid AcCoA cyt Acetyl-CoA in the cytosol 1 Table 4 Table 5 fast
  malCoA Malonyl-CoA 1    fast
  FA Fatty acids (palmitate) 1    medium
  TAG Tri-acylglycerol 1    slow
Intermediate metabolism pyr Pyruvate 1 Table Table 8 fast
     6, 7   
  AcCoA Acetyl-Coa (matrix) 1    fast
  cit Citrate concentrations in the mitochondria 1    fast
  iso Isocitrate concentrations in the mitochondria 1    fast
  keto α-ketoglutrate concentrations in the mitochondria 1    fast
  succ Succinate concentrations in the mitochondria 1    fast
  mal Malate concentrations in the mitochondria R1    fast
  oxal Oxaloacetate concentrations in the mitochondria 1    fast
  mal cyt Malate concentrations in the cytosol 1    fast
  oxal cyt Oxaloacetate concentrations in the cytosol 1    fast
  Glu Glucose concentrations (glycolysis process) 1 Table 9 Table 9 fast
  g6p glucose-6-phosphate concentrations (glycolysis) 1    fast
  pGt 6-phosphogluconate concentrations (glycolysis) 1    fast
  G3p glyceraldehyde 3-phospate concentrations (glycolysis) 1    fast
(feed) u feed The nutrients FA, glucose and 20 amino acids consumed 23 N/A N/A medium
Output y(t) The output of the model, consists of protein (sum of its amino acids), storage lipids (TAG), NH3, O2 and CO2, all in units of gram 5 N/A N/A f/s/m
  1. The model states, input and output variables and its respective timescales. The underscore cyt denotes variables in the cytosol. Amino acids (AA) vectors consist of the 20 amino acids. All units are given in [μmol] unless stated otherwise.