Effects of light intensity, light quality, and illumination period on cell growth, TFA accumulation, and DHA production in Crypthecodinium sp. SUN

Effects of light intensity, light quality, and illumination period on cell growth, TFA... Crypthecodinium strains are ideal candidates for DHA production. In a previous study, light was found to be efficient in inducing total fatty acid accumulation in Crypthecodinium sp. SUN. In order to further analyze the light-inducing behavior of this microalga, experiments were conducted to elucidate the influence of different light intensities, light qualities, and illumination periods on DHA production. The results showed that an irradiance of 30 μmol photons m−2 s−1 was most suitable for DHA production. Compared to red light and blue light, green light was more efficient in elevating the total fatty acid content in the cells. It was also found that illumination at the first 24 h promoted cell growth, whereas it favored total fatty acid accumulation only during 48–96 h. This is the first systematic investigation of the influence of light on total fatty acid accumulation and DHA production in Crypthecodinium sp. SUN, providing a solid foundation for further research on DHA production. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Phycology Springer Journals

Effects of light intensity, light quality, and illumination period on cell growth, TFA accumulation, and DHA production in Crypthecodinium sp. SUN

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer Science+Business Media B.V., part of Springer Nature
Subject
Life Sciences; Plant Sciences; Freshwater & Marine Ecology; Plant Physiology; Ecology
ISSN
0921-8971
eISSN
1573-5176
D.O.I.
10.1007/s10811-017-1379-9
Publisher site
See Article on Publisher Site

Abstract

Crypthecodinium strains are ideal candidates for DHA production. In a previous study, light was found to be efficient in inducing total fatty acid accumulation in Crypthecodinium sp. SUN. In order to further analyze the light-inducing behavior of this microalga, experiments were conducted to elucidate the influence of different light intensities, light qualities, and illumination periods on DHA production. The results showed that an irradiance of 30 μmol photons m−2 s−1 was most suitable for DHA production. Compared to red light and blue light, green light was more efficient in elevating the total fatty acid content in the cells. It was also found that illumination at the first 24 h promoted cell growth, whereas it favored total fatty acid accumulation only during 48–96 h. This is the first systematic investigation of the influence of light on total fatty acid accumulation and DHA production in Crypthecodinium sp. SUN, providing a solid foundation for further research on DHA production.

Journal

Journal of Applied PhycologySpringer Journals

Published: Jan 6, 2018

References

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