Cited by 151Algal biology and biofuel productionMicrobial Metabolic Engineering and BioproductionLipid metabolism and biosynthesis

Fatty acid production from a highly CO2 tolerant alga, Chlorocuccum littorale, in the presence of inorganic carbon and nitrate

Ota, Masaki, Kato, Yoshitaka, Watanabe, Hiromoto, Watanabe, Masaru, Sato, Yoshiyuki, Smith, Richard L., Inomata, Hiroshi·2009·Bioresource Technology

Abstract

Photoautotrophic fatty acid production of a highly CO(2)-tolerant green alga Chlorococcum littorale was investigated in the presence of inorganic carbon and nitrate at 295 K and a light intensity of 170 micromol-photon m(-2) s(-1). CO(2) concentration in the bubbling gas was adjusted by mixing pure gas components of CO(2) and N(2) to avoid photorespiration and beta-oxidation of fatty acids under O(2) atmosphere conditions. Fatty acid content was almost constant for the CO(2) concentrations ranging from 5% to 50% under nitrate-rich conditions corresponding to the logarithmic growth phase. After nitrate depletion, the content drastically increased with a decrease in CO(2) concentration. HCO(3)(-)/CO(2) ratio in the culture media was found to be a controlling factor for fatty acid production after the nitrate limitation phase. For a CO(2) concentration of 5%, the fatty acid content was ca. 34 wt.% at maximum, which is comparable with other land plant seed oils.

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Crossref · 10.1016/j.biortech.2009.05.048

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  • Certain microalgae species have been discovered thriving in elevated CO2 environments, with a few demonstrating enhanced lipid accumulation capabilities even under a 15% CO2 culture condition.

    “Currently, certain microalgae species have been discovered thriving in elevated CO2 environments, with a few demonstrating enhanced lipid accumulation capabilities even under a 15% CO2 culture condition [91–95].”

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Authors
Ota, M., Kato, Y., Watanabe, H., Watanabe, M., Sato, Y., Smith, R. L., & Inomata, H.
Affiliations
Tohoku University (JP)
Corresponding author
Ota, Masaki
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2009-11
Volume
100
Issue
21
Pages
5237-5242
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2081807145
Cited by
150
References
35
Citations by year
2026: 4 · 2025: 7 · 2024: 8 · 2023: 8 · 2022: 5 · 2021: 6 · 2020: 10 · 2019: 8 · 2018: 12 · 2017: 10 · 2016: 14 · 2015: 9 · 2014: 20 · 2013: 4 · 2012: 11
FWCI
3.67
Type
journal article
Language
en
Open access
closed
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Japan Securities Scholarship Foundation
  • Japan Society for the Promotion of Science
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
fatty acid production, CO2 tolerance, green algae, nitrate limitation, inorganic carbon, photoautotrophic cultivation, microalgae oil, photorespiration, fatty acid beta-oxidation
MeSH terms
Adaptation, Physiological, Chlorophyta, Carbon, Carbon Dioxide, Fatty Acids, Nitrates, Time Factors, Biomass

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