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Kim H, Jang S, Kim S, et al. The small molecule fenpropimorph rapidly converts chloroplast membrane lipids to triacylglycerols in Chlamydomonas reinhardtii. Front Microbiol. 2015;6:54doi: 10.3389/fmicb.2015.00054.
Kim, H., Jang, S., Kim, S., Yamaoka, Y., Hong, D., Song, W. Y., Nishida, I., Li-Beisson, Y., & Lee, Y. (2015). The small molecule fenpropimorph rapidly converts chloroplast membrane lipids to triacylglycerols in Chlamydomonas reinhardtii. Frontiers in microbiology, 654. https://doi.org/10.3389/fmicb.2015.00054
Kim, Hanul, et al. "The small molecule fenpropimorph rapidly converts chloroplast membrane lipids to triacylglycerols in Chlamydomonas reinhardtii." Frontiers in microbiology vol. 6 (2015): 54. doi: https://doi.org/10.3389/fmicb.2015.00054
Kim H, Jang S, Kim S, Yamaoka Y, Hong D, Song WY, Nishida I, Li-Beisson Y, Lee Y. The small molecule fenpropimorph rapidly converts chloroplast membrane lipids to triacylglycerols in Chlamydomonas reinhardtii. Front Microbiol. 2015 Feb 24;6:54. doi: 10.3389/fmicb.2015.00054. eCollection 2015. PMID: 25759683; PMCID: PMC4338789.
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Front Microbiol. 2015 Feb 24;6:54. doi: 10.3389/fmicb.2015.00054. eCollection 2015.

The small molecule fenpropimorph rapidly converts chloroplast membrane lipids to triacylglycerols in Chlamydomonas reinhardtii.

Frontiers in microbiology

Hanul Kim, Sunghoon Jang, Sangwoo Kim, Yasuyo Yamaoka, Daewoong Hong, Won-Yong Song, Ikuo Nishida, Yonghua Li-Beisson, Youngsook Lee

Affiliations

  1. Division of Molecular and Life Sciences, Pohang University of Science and Technology Pohang, South Korea.
  2. Division of Life Science, Graduate School of Science and Engineering, Saitama University Saitama, Japan.
  3. Department of Plant Biology and Environmental Microbiology, Commissariat à l'Énergie Atomique et aux Énergies Alternatives - Centre National de la Recherche Scientifique - Aix-Marseille University Saint-Paul-Lez-Durance, France.
  4. POSTECH-UZH Global Research Laboratory, Division of Integrative Biology and Biotechnology, Pohang University of Science and Technology Pohang, South Korea.

PMID: 25759683 PMCID: PMC4338789 DOI: 10.3389/fmicb.2015.00054

Abstract

Concern about global warming has prompted an intense interest in developing economical methods of producing biofuels. Microalgae provide a promising platform for biofuel production, because they accumulate high levels of lipids, and do not compete with food or feed sources. However, current methods of producing algal oil involve subjecting the microalgae to stress conditions, such as nitrogen deprivation, and are prohibitively expensive. Here, we report that the fungicide fenpropimorph rapidly causes high levels of neutral lipids to accumulate in Chlamydomonas reinhardtii cells. When treated with fenpropimorph (10 μg mL(-1)) for 1 h, Chlamydomonas cells accumulated at least fourfold the amount of triacylglycerols (TAGs) present in the untreated control cells. Furthermore, the quantity of TAGs present after 1 h of fenpropimorph treatment was over twofold higher than that formed after 9 days of nitrogen starvation in medium with no acetate supplement. Biochemical analysis of lipids revealed that the accumulated TAGs were derived mainly from chloroplast polar membrane lipids. Such a conversion of chloroplast polar lipids to TAGs is desirable for biodiesel production, because polar lipids are usually removed during the biodiesel production process. Thus, our data exemplified that a cost and time effective method of producing TAGs is possible using fenpropimorph or similar drugs.

Keywords: Chlamydomonas reinhardtii fenpropimorph; biofuel; membrane lipid recycling; triacylglycerol

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