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Growth rate, lipid, fatty acids, and pigments content of Melosira moniliformis (Bacillariophyta) in laboratory cultures
María Concepción Lora Vilchis
Jordan Ismael Huanacuni Pilco
Francisco Omar López Fuerte
Carlos Alejandro Pérez Rojas
Acceso Abierto
Atribución-NoComercial-SinDerivadas
URL: http://www.solabiaa.org/ojs3/index.php/RELBAA/article/view/60
ISSN: 2007-2570
Biovolume, Coscinodiscophyceae, diatoms culture, PUFA
"The diatom Melosira moniliformis was isolated from the intertidal zone of Laguna de La Paz in the State of Baja California Sur in Mexico. The biotechnological potential of this strain for lipid and fatty acid production was evaluated in laboratory cultures. The strain was grown at 21 °C with moderate agitation and 26 °C without agitation, with moderate agitation and vigorous agitation. Growth and biomass, pigments, lipids, and fatty acid production were measured. At 21 °C growth showed a longer lag stage but there was no difference in growth rate (0.68–0.72 d–1) or biomass production (0.44–0.60 g L–1) between the culture conditions of temperature or agitation. Lipid content varied from 17.38–26.65% of organic biomass, without difference between culture conditions. The highest fatty acids content observed were C14:0, C16:0, C16:1n7, and eicosapentaenoic acid (EPA) C20:5n3; this last fatty acid reached up 50% (50.4–51.6 mg g–1 organic dry weight) but without differences between culture conditions. M. moniliformis can be cultivated under planktonic (vigorous agitation) or benthic conditions (without agitation) at 26 °C. Its morphological characteristics and the tendency to form chains could be an advantage for lower harvesting costs, and the high EPA content, indicate a high potential for use in biotechnology."
Sociedad Latinoamericana de Biotecnología Ambiental y Algal, A.C.
2018
Artículo
REVISTA LATINOAMERICANA DE BIOTECNOLOGIA AMBIENTAL Y ALGAL
Inglés
LORA-VILCHIS, Maria C. et al. Growth rate, lipid, fatty acids, and pigments content of Melosira moniliformis (Bacillariophyta) in laboratory cultures. REVISTA LATINOAMERICANA DE BIOTECNOLOGIA AMBIENTAL Y ALGAL, [S.l.], v. 9, n. 1, p. 1-16, mayo 2018.
ALGOLOGÍA (FICOLOGÍA)
Versión publicada
publishedVersion - Versión publicada
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