✦ LIBER ✦

A predictive nutritional model for plant cells and hairy roots

✍ Scribed by M. Cloutier; É. Bouchard-Marchand; M. Perrier; M. Jolicoeur

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 304 KB
Volume: 99
Category: Article
ISSN: 0006-3592
DOI: 10.1002/bit.21543

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

A structured nutritional model is proposed to describe growth and nutritional behavior of Eschscholtzia californica suspension cells and Catharanthus roseus and Daucus carota hairy roots in in vitro culture. The model describes the cells specific growth rate from concentration of intracellular nutrients such as inorganic phosphate (Pi), nitrogen sources (NO and NH) and sugars. Two‐level Michaelis–Menten kinetics are used to describe Pi and NO uptake and simple Michaelis–Menten kinetics for description of sugars uptake. Model parameters for each cell line were calibrated using data from batch cultures. The predictive capacity of the model was tested using data from medium exchange hairy root cultures. The model describes growth and nutritional behavior for the cell and hairy root lines. A sensitivity analysis was performed to identify critical model parameters and effect of initial conditions. The cell and hairy roots lines are also compared from their kinetic parameters. The kinetic model is efficient for describing and predicting growth and nutritional behaviors of suspension cells and hairy roots. Biotechnol. Bioeng. 2008;99: 189–200. © 2007 Wiley Periodicals, Inc.

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