New lipid-producing, cold-tolerant yellow-green alga isolated from the rocky mountains of Colorado

David Nelson, Sinafik Mengistu, Paul Ranum, Gail Celio, Mara Mashek, Douglas Mashek, Paul A. Lefebvre

    Research output: Contribution to journalArticle

    Abstract

    A new strain of yellow-green algae (Xanthophyceae, Heterokonta), tentatively named Heterococcus sp. DN1 (UTEX accession number UTEX ZZ885), was discovered among snow fields in the Rocky Mountains. Axenic cultures of H. sp. DN1 were isolated and their cellular morphology, growth, and composition of lipids were characterized. H. sp. DN1 was found to grow at temperatures approaching freezing to accumulate large intracellular stores of lipids. H. sp. DN1 produces the highest quantity of lipids when grown undisturbed with high light in low temperatures. Of particular interest was the accumulation of eicosapentaenoic acid, known to be important for human nutrition, and palmitoleic acid, known to improve biodiesel feedstock properties.

    Original languageEnglish (US)
    Pages (from-to)853-861
    Number of pages9
    JournalBiotechnology Progress
    Volume29
    Issue number4
    DOIs
    StatePublished - Jul 1 2013

    Fingerprint

    Chlorophyta
    Lipids
    Axenic Culture
    Snow
    Temperature
    Eicosapentaenoic Acid
    Biofuels
    Freezing
    Light
    Growth

    Keywords

    • Algae
    • Algal oil
    • Cold-tolerant
    • Desiccation-tolerant
    • Lipids
    • Oil

    ASJC Scopus subject areas

    • Biotechnology

    Cite this

    Nelson, D., Mengistu, S., Ranum, P., Celio, G., Mashek, M., Mashek, D., & Lefebvre, P. A. (2013). New lipid-producing, cold-tolerant yellow-green alga isolated from the rocky mountains of Colorado. Biotechnology Progress, 29(4), 853-861. https://doi.org/10.1002/btpr.1755

    New lipid-producing, cold-tolerant yellow-green alga isolated from the rocky mountains of Colorado. / Nelson, David; Mengistu, Sinafik; Ranum, Paul; Celio, Gail; Mashek, Mara; Mashek, Douglas; Lefebvre, Paul A.

    In: Biotechnology Progress, Vol. 29, No. 4, 01.07.2013, p. 853-861.

    Research output: Contribution to journalArticle

    Nelson, D, Mengistu, S, Ranum, P, Celio, G, Mashek, M, Mashek, D & Lefebvre, PA 2013, 'New lipid-producing, cold-tolerant yellow-green alga isolated from the rocky mountains of Colorado', Biotechnology Progress, vol. 29, no. 4, pp. 853-861. https://doi.org/10.1002/btpr.1755
    Nelson, David ; Mengistu, Sinafik ; Ranum, Paul ; Celio, Gail ; Mashek, Mara ; Mashek, Douglas ; Lefebvre, Paul A. / New lipid-producing, cold-tolerant yellow-green alga isolated from the rocky mountains of Colorado. In: Biotechnology Progress. 2013 ; Vol. 29, No. 4. pp. 853-861.
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