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Author(s): Fernandes T.
Fernandes I.
Andrade C.A.P.
Cordeiro N.
Title: Marine microalgae growth and carbon partitioning as a function of nutrient availability
Publisher: Elsevier
Issue Date: 2016
Abstract: To understand in which way the structural differences of three marine microalgae (Nannochloropsis gaditana, Rhodomonas marina and Isochrysis sp.) affect their carbon partitioning, growth and applicability; a stoichiometric imbalance was imposed by steady carbon and other nutrients variation. Towards high nutrients concentrations/low carbon availability a decrease of 12-51% in C/N microalgae ratio was observed and maximum cell densities were achieved. Moreover, linear correlation between the nutrient input and microalgae protein content were observed. The macromolecular ratios pointed that carbohydrate was the main contributor for the C/N decrement. Although lipid content in R. marina remained constant throughout the experiment, a rise of 37-107% in N. gaditana and Isochrysis sp. was verified. Lipid fractions revealed high percentages of glycolipids in all microalgae (57-73% of total lipids). The present study shows an easy way to understand and modulate microalgae carbon partitioning relying on the field of application. © 2016 Elsevier.
Subject: Algae
Carbon availability
Carbon partitioning
Isochrysis sp
Linear correlation
Marine microalgae
N. gaditana
Nutrient availability
Structural differences
Isochrysis sp.
Nannochloropsis gaditana
Source: Bioresource Technology, vol. 214, p. 541-547
Document Type: Artigo em Revista Científica Internacional
Rights: restrictedAccess
Appears in Collections:CIIMAR - Artigo em Revista Científica Internacional

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