Changes in the cell composition of the marine microalga, Nannochloropsis gaditana, during a light:dark cycle |
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Authors: | Jaime Fábregas Ana Maseda Adolfo Domínguez Martinha Ferreira Ana Otero |
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Affiliation: | (1) Laboratorio de Microbiología, Facultad de Farmacia, Universidad de Santiago, Santiago, 15782, Spain |
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Abstract: | Nannochloropsis gaditana was grown in semicontinuous culture with a circadian light:dark cycle in a flat-panel photobioreactor. The microalga had a maximal protein content (3 pg cell–1) after 6 h light and then only storage compounds were accumulated that were consumed during the dark phase. Carbohydrates reached their maximum value after 8 h (0.8 pg cell–1) and lipids after 12 h light (2.5 pg cell–1). The results demonstrated that young or adult microalgae might be obtained according to the time of day. |
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Keywords: | biochemical composition light:dark cycle Nannochloropsis photobioreactor semicontinuous culture |
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