Cited by 72Algal biology and biofuel productionMicrobial Metabolic Engineering and BioproductionLipid metabolism and biosynthesis

The enhanced lipid accumulation in oleaginous microalga by the potential continuous nitrogen-limitation (CNL) strategy

Liu, Tingting, Li, Yuqin, Liu, Fei, Wang, Chao·2016·Bioresource Technology

Abstract

A potential continuous nitrogen-limitation (CNL) strategy was proposed to enhance lipid accumulation by oleaginous Chlorella vulgaris in this study. The highest biomass (4.61 g/L) with CNL was nearly close to the maximum biomass (4.88 g/L) achieved by the traditional batch nitrogen-starvation strategy (BNS) under laboratory condition. CNL was further found to diminish the photosynthetic activity and trigger the degradation of nitrogenous compounds (e.g. protein, chlorophyll, DNA) consequently resulted in enhanced lipid accumulation. The maximal lipid productivity of 305.71 mg/L/d was accomplished by CNL, which presented 1.35-fold more than that of BNS. Furthermore, the identified lipid accumulation-related metabolic checkpoints (MDH and GPDH) provide the possibilities to develop high-lipid engineering microalgae. The aforementioned results imply that CNL nitrogen-deficiency strategy for lipid production on large-scale deserves further exploration.

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Crossref · 10.1016/j.biortech.2015.12.021

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  • Nitrogen deficiency serves as a significant stimulus for lipid accumulation in various microalgae species, such as Acutodesmus dimorphus, Nephrochlamys yushanlensis, C. vulgaris, Scenedesmus quadricauda, and N. oceanica.

    “Nitrogen deficiency serves as a significant stimulus for lipid accumulation in various microalgae species, such as Acutodesmus dimorphus [106], Nephrochlamys yushanlensis [107, 108], C. vulgaris [109], Scenedesmus quadricauda [110], and N. oceanica [111].”

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Authors
Liu, T., Li, Y., Liu, F., & Wang, C.
Affiliations
Xiangtan University (CN)
Corresponding author
Li, Yuqin
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2016-03
Volume
203
Pages
150-159
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2204698309
Cited by
72
References
27
Citations by year
2026: 12 · 2025: 7 · 2024: 6 · 2023: 4 · 2022: 8 · 2021: 5 · 2020: 8 · 2019: 3 · 2018: 8 · 2017: 9 · 2016: 2
FWCI
1.88
Type
journal article
Language
en
Open access
closed
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China (21306161)
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
lipid accumulation, oleaginous microalgae, Chlorella vulgaris, nitrogen starvation, photosynthetic activity, lipid productivity, metabolic checkpoint, malate dehydrogenase, glycerol-3-phosphate dehydrogenase
MeSH terms
Chlorophyll, Fatty Acids, Lipids, Nitrogen, Biomass, Chlorella vulgaris, Lipid Metabolism, Microalgae

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