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Modelling neutral lipid production by the microalga Isochrysis affinis galbana under nitrogen limitation

Francis Mairet 1 Olivier Bernard 2 Pierre Masci 2 Thomas Lacour 3 Antoine Sciandra 2, 3 
1 Anlysis and Mathematical Modeling, Valparaiso
Departamento de Matematica [Valparaiso]
2 BIOCORE - Biological control of artificial ecosystems
LOV - Laboratoire d'océanographie de Villefranche, CRISAM - Inria Sophia Antipolis - Méditerranée , INRA - Institut National de la Recherche Agronomique
Abstract : This article proposes a dynamical model of microalgal lipid production under nitrogen limitation. In this model, intracellular carbon is divided between a functional pool and two storage pools (sugars and neutral lipids). The various intracellular carbon flows between these pools lead to a complex dynamic with a strong discrepancy between synthesis and mobilization of neutral lipids. The model has been validated with experiments of Isochrysis aff. galbana (clone T-iso) culture under various nitrogen limitation conditions and under nitrogen starvation. The hysteresis behavior of the neutral lipid quota observed experimentally is accurately predicted.
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https://hal.inria.fr/hal-00847293
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Submitted on : Tuesday, July 23, 2013 - 11:23:02 AM
Last modification on : Saturday, June 25, 2022 - 11:10:43 PM

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Francis Mairet, Olivier Bernard, Pierre Masci, Thomas Lacour, Antoine Sciandra. Modelling neutral lipid production by the microalga Isochrysis affinis galbana under nitrogen limitation. Bioresource Technology, 2011, 102, pp.142-149. ⟨10.1016/j.biortech.2010.06.138⟩. ⟨hal-00847293⟩

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