Marine microalgae monosaccharide fluctuations as a stress response to nutrients inputs
authors Fernandes, T; Fernandes, I; Andrade, CAP; Ferreira, A; Cordeiro, N
nationality International
journal ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
author keywords Monosaccharides; Nutrient availability; Nannochloropsis gaditana; Rhodomonas marina; Isochrysis sp
keywords CELL-WALL; CHLORELLA; STARCH; POLYSACCHARIDES; ACCUMULATION; BIOSYNTHESIS; AVAILABILITY; MARICULTURE; BIOACTIVITY; PRODUCTS
abstract The monosaccharide patterns of the microalgae species Nannochloropsis gaditana, Rhodomonas marina and Isochrysis sp. were assessed, to verify if nutrients availability had an impact on these parameters. Isochrysis sp. and Rhodomonas marina monosaccharides content decreased 13-94% as the nutrients availability increased. The relative abundance of monosaccharides depicted that, at low nutrients availabilities, Rhodomonas marina and Isochrysis sp. had preference for glucans synthesis, accounting for up to 75% of the monosaccharides detected. Linking the monosaccharides trends with the phylogeny and glycolipid data, it was possible to establish which monosaccharides had a structural and/or storage role in the microalgae studied. Thermal analysis revealed that the microalgae submitted to low nutrient input treatments presented a reduced assimilation of the inorganic compounds. Nutrient concentrations affected microalgae monosaccharide patterns, highlighting their taxonomic differences.
publisher ELSEVIER SCIENCE BV
issn 2211-9264
year published 2017
volume 24
beginning page 340
ending page 346
digital object identifier (doi) 10.1016/j.algal.2017.04.023
web of science category Biotechnology & Applied Microbiology
subject category Biotechnology & Applied Microbiology
unique article identifier WOS:000404864600036
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