Journal
BIORESOURCE TECHNOLOGY
Volume 102, Issue 1, Pages 142-149Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2010.06.138
Keywords
Phytoplankton; Growth model; Nitrogen starvation; Neutral lipid; Biofuel
Funding
- Shamash project [ANR-06-BIOE-014]
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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. (C) 2010 Elsevier Ltd. All rights reserved.
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