Cited by 121Algal biology and biofuel productionAquaculture Nutrition and GrowthAquatic Ecosystems and Phytoplankton Dynamics

High Protein- and High Lipid-Producing Microalgae from Northern Australia as Potential Feedstock for Animal Feed and Biodiesel

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Duong, Van Thang, Ahmed, Faruq, Thomas-Hall, Skye R., Quigley, Simon, Nowak, Ekaterina, Schenk, Peer M.·2015·Frontiers in Bioengineering and Biotechnology

Abstract

Microalgal biomass can be used for biodiesel, feed, and food production. Collection and identification of local microalgal strains in the Northern Territory, Australia was conducted to identify strains with high protein and lipid contents as potential feedstock for animal feed and biodiesel production, respectively. A total of 36 strains were isolated from 13 samples collected from a variety of freshwater locations, such as dams, ponds, and streams and subsequently classified by 18S rDNA sequencing. All of the strains were green microalgae and predominantly belong to Chlorella sp., Scenedesmus sp., Desmodesmus sp., Chlamydomonas sp., Pseudomuriella sp., Tetraedron caudatum, Graesiella emersonii, and Mychonastes timauensis. Among the fastest growing strains, Scenedesmus sp. NT1d possessed the highest content of protein; reaching up to 33% of its dry weight. In terms of lipid production, Chlorella sp. NT8a and Scenedesmus dimorphus NT8e produced the highest triglyceride contents of 116.9 and 99.13 μg mL(-1) culture, respectively, as measured by gas chromatography-mass spectroscopy of fatty acid methyl esters. These strains may present suitable candidates for biodiesel production after further optimization of culturing conditions, while their protein-rich biomass could be used for animal feed.

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Authors
Duong, V. T., Ahmed, F., Thomas-Hall, S. R., Quigley, S., Nowak, E., & Schenk, P. M.
Affiliations
The University of Queensland (AU)
Corresponding author
Schenk, Peer M.
Venue
Frontiers in Bioengineering and Biotechnology
Published
2015-05-18
Volume
3
Pages
53-53
ISSN
2296-4185 (ISSN-L)
OpenAlex
W1604768950
Cited by
121
References
32
Citations by year
2026: 1 · 2025: 4 · 2024: 13 · 2023: 11 · 2022: 19 · 2021: 15 · 2020: 12 · 2019: 13 · 2018: 19 · 2017: 6 · 2016: 6 · 2015: 2
FWCI
3.26
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Bioengineering and Biotechnology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Aquaculture Nutrition and Growth
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
Keywords
microalgae, biodiesel feedstock, animal feed, microalgal biomass, freshwater microalgae, Chlorella, Scenedesmus, Desmodesmus, Chlamydomonas, triglyceride content, fatty acid methyl esters, 18S rDNA identification, Northern Territory

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