Effect of nitrate concentration on growth and pigment synthesis of Dunaliella salina cultivated under low illumination and preadapted to different salinities
作者： Nellis Marín , Francisco Morales , César Lodeiros , Eric Tamigneaux
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摘要: A wild strain of Dunaliella salina was isolated from a solar evaporation salt-pond in Araya (Estado Sucre, Venezuela) and grown batch culture using relatively low illumination (80 μmol photon m-2 s-1). After the alga had been adapted to various salinities (9, 14, 21% w/v NaCl), influence nitrate concentration (882, 435, 212 L-1 N) on growth rate chlorophyll total carotenoid concentrations measured. Low negatively affected growth, but enhanced accumulation. slight increase carotenogenesis also observed at highest salinity. There were no significant additive or synergistic effects salinity nutrient carotenoid.
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