Mathematical modelling of growth and production behaviour of microorganisms is very time consuming, especially when unbalanced growth is taken into consideration. Before kinetic parameters of a model can be estimated, a proper choice of the state variables and the structure of the model has to be made. This contribution shows that, by an appropriate time scaling of the measurements, very similar growth patterns with respect to macromolecular synthesis and degradation can be found in different streptomyces strains. As these growth patterns form the basis for an already proposed highly structured mathematical model for S. tendae, it is shown that the very same model structure with minor modifications can be used for other strains, too. Therefore, the modelling process is speeded up significantly. Several examples are given.
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