2012
DOI: 10.1007/s00449-012-0800-7
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Determining the transport mechanism of an enzyme-catalytic complex metabolic network based on biological robustness

Abstract: Understanding the transport mechanism of 1,3-propanediol (1,3-PD) is of critical importance to do further research on gene regulation. Due to the lack of intracellular information, on the basis of enzyme-catalytic system, using biological robustness as performance index, we present a system identification model to infer the most possible transport mechanism of 1,3-PD, in which the performance index consists of the relative error of the extracellular substance concentrations and biological robustness of the int… Show more

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Cited by 28 publications
(15 citation statements)
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“…Clearly, (11) measures the rate at which the process yield changes in response to small changes in the model parameters. Thus, a low value for system sensitivity indicates that the system is robust.…”
Section: Optimal Control Versus Robust Control: a Trade-offmentioning
confidence: 99%
See 1 more Smart Citation
“…Clearly, (11) measures the rate at which the process yield changes in response to small changes in the model parameters. Thus, a low value for system sensitivity indicates that the system is robust.…”
Section: Optimal Control Versus Robust Control: a Trade-offmentioning
confidence: 99%
“…An experimental investigation into the multiple inhibitions of the fermentation process is given in [8], and studies based on metabolic flux and metabolic pathway analysis are given in [9][10][11][12][13]. Mathematical models of the microbial conversion process, together with various process control strategies, have been considered in [14][15][16][17][18][19][20].…”
Section: Introductionmentioning
confidence: 99%
“…Up to 2008, the intracellular dynamics of this bioprocess was firstly studied by Sun et al [11]. Thereafter, we introduced several quantitative measures of biological robustness to estimate the kinetic parameters of Sun's model in the context where the intracellular data were limited and some of the metabolic mechanisms were 2 Mathematical Problems in Engineering not completely known [12][13][14]. The problem is that huge computing workload will be faced in the evaluation of the biological robustness index, even though the scale of the metabolic network is not too large.…”
Section: Introductionmentioning
confidence: 99%
“…The methods of glycerol bioconversion to 1,3-PD consist of batch, continuous [9] and fed-batch [10,11] cultures, among which glycerol fermentation in batch culture can obtain the highest production concentration and molar yield 1,3-PD to glycerol [12]. So the nonlinear dynamical systems in this culture have been extensively studied in recent years in its modelling with a view to facilitate its design, control and optimization [13][14][15][16][17].…”
Section: Introductionmentioning
confidence: 99%