Cited by 29Algal biology and biofuel productionMicrobial Metabolic Engineering and BioproductionLipid metabolism and biosynthesis

Modeling of rhythmic behavior in neutral lipid production due to continuous supply of limited nitrogen: Mutual growth and lipid accumulation in microalgae

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Tevatia, Rahul, Allen, James, Blum, Paul, Demirel, Yaşar, Black, Paul·2014·Bioresource Technology

Abstract

The relative effects of three precise nitrogen limitation regimes on green micro-algae were assessed using the Trebouxiophycean alga Coccomyxa subellipsoidea grown in a chemostatic bioreactor system. The data provides further evidence that growth and triglyceride (TAG) accumulation are concurrent and independently proportional to the degree of nitrogen limitation in algae. Additionally, TAG accumulation was observed to proceed via oscillations with respect to time and percent dry weight quantity. The predator-prey model was applied to fit the experimental data and to obtain the physiological significance of these oscillations. The results determine the conditions of maximum neutral lipid productivity with respect to nitrate stress and highlight an area of potential future research.

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Crossref · 10.1016/j.biortech.2014.07.043

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Authors
Tevatia, R., Allen, J., Blum, P., Demirel, Y., & Black, P.
Affiliations
University of Nebraska–Lincoln (US)
Corresponding author
Tevatia, Rahul
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2014-10
Volume
170
Pages
152-159
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2068333195
Cited by
29
References
23
Citations by year
2025: 4 · 2024: 1 · 2023: 2 · 2022: 1 · 2021: 1 · 2020: 3 · 2019: 4 · 2018: 3 · 2017: 3 · 2016: 2 · 2015: 5
FWCI
1.10
Type
journal article
Language
en
Open access
Locations
  • Bioresource Technology (acceptedVersion)
  • PubMed (publishedVersion)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
Funders
  • Department of Energy (DE-FG36-08GO88055)
  • National Science Foundation (EPSCOR)
  • Office of Research and Economic Development, University of Nebraska, Lincoln, NE
  • University of Nebraska-Lincoln Cell Development Facility
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
Keywords
nitrogen limitation, triglyceride accumulation, rhythmic oscillations, predator-prey model, green microalgae, chemostat, nitrate stress, lipid productivity, mutual growth
MeSH terms
Chlorophyta, Chromatography, Liquid, Models, Biological, Nitrogen, Periodicity, Triglycerides, Biomass, Bioreactors, Tandem Mass Spectrometry, Microalgae

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