Cited by 110Algal biology and biofuel productionMicrobial Metabolic Engineering and BioproductionLipid metabolism and biosynthesis

Increased lipid productivity and TAG content in Nannochloropsis by heavy-ion irradiation mutagenesis

Ma, Yubin, Wang, Zhiyao, Zhu, Ming, Yu, Changjiang, Cao, Yingping, Zhang, Dongyuan, Zhou, Gongke·2013·Bioresource Technology

Abstract

One mutant (HP-1) with higher growth rate was obtained from Nannochloropsis oceanica IMET1 by heavy-ion irradiation mutagenesis. Compared to the wild type, the biomass accumulation and maximum growth rate of HP-1 were individually increased by 19% and 6%, and its lipid productivity was increased by 28% from 211 to 271 mg L(-1) d(-1). Subsequently analysis indicated photosynthetic efficiency of HP-1 was higher than that of wild type during cultivation. Further, lipid composition analysis indicated TAG content of HP-1 was 14% higher, while polar lipid content was 15% lower than that of wild type. Moreover, fatty acid profiles analysis revealed no significant variation was found between the two strains. The mutant is discussed in terms of its comparative advantage over the wild type with respect to its potential utilization for biodiesel production. Owing to its higher lipid productivity and TAG content, HP-1 could be considered as a valuable candidate for microalgal biodiesel production.

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Crossref · 10.1016/j.biortech.2013.03.020

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  • Mutagenesis of Nannochloropsis oceanica increased yields and biomass growth rates by 19% and 6%, respectively.

    “Mutagenesis of Nannochloropsis oceanica increased yields and biomass growth rates by 19% and 6%, respectively.”

    From The Perspective of Large-Scale Production of Algae Biodiesel (2020) · cites this paper as [48]

  • Lipid production increased from 211 to 271 mg/L/d, which is an increase of 28%.

    “Besides, lipid production increased from 211 to 271 mg/L/d which is an increase of 28% [48].”

    From The Perspective of Large-Scale Production of Algae Biodiesel (2020) · cites this paper as [48]

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Authors
Ma, Y., Wang, Z., Zhu, M., Yu, C., Cao, Y., Zhang, D., & Zhou, G.
Affiliations
Chinese Academy of Sciences (CN)
Corresponding author
  • Zhang, Dongyuan
  • Zhou, Gongke
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2013-05
Volume
136
Pages
360-367
ISSN
0960-8524 (ISSN-L)
OpenAlex
W1985571616
Cited by
110
References
36
Citations by year
2026: 3 · 2025: 8 · 2024: 7 · 2023: 6 · 2022: 13 · 2021: 10 · 2020: 13 · 2019: 7 · 2018: 13 · 2017: 10 · 2016: 9 · 2015: 6 · 2014: 5
FWCI
2.42
Type
journal article
Language
en
Open access
closed
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
  • Institutional knowledge base (Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences) (submittedVersion)
Funders
  • Knowledge Innovation Program of the Chinese Academy of Sciences (KSCX2-EW-Q-22)
  • Natural Science Foundation of Shandong Province (ZR2011DQ007)
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
Nannochloropsis oceanica, lipid productivity, photosynthetic efficiency, polar lipids, fatty acid composition, microalgae biodiesel, microalgae growth rate
MeSH terms
Carotenoids, Chlorophyll, Fatty Acids, Fluorescence, Mutation, Oxygen, Photosynthesis, Triglycerides, Mutagenesis, Heavy Ions, Stramenopiles

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