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Title: Metabolic composition of the cyanobacterium Nostoc muscorum as a function of culture time: a 1H NMR metabolomics study
Author: Macário, I. P. E.
Veloso, T.
Romão, J.
Gonçalves, F. J. M.
Pereira, J. L
Duarte, I. F.
Ventura, S. P. M.
Issue Date: 2022
Publisher: Elsevier
Abstract: Cyanobacteria are considered a factory of added-value compounds. However, knowledge about the array of interesting compounds that could be extracted from these prokaryotic organisms is still very limited. Nuclear Magnetic Resonance (NMR) spectroscopy is a widely used technique for metabolic profiling that allows an overview of the main metabolites present in complex biological matrices. In this work, high resolution 1H NMR was employed to screen the metabolic composition of the freshwater cyanobacterium Nostoc muscorum. This species showed high longevity, being able to grow for more than one hundred days without any medium supplementation. During the period of study, several interesting metabolites were detected, such as several sugars and oligosaccharides, lipids (e.g., glycolipids, ω-3 and ω-6 fatty acids), amino acids, including mycosporin-like, peptides, and pigments (e.g., chlorophyll a and carotenoids). Owing to the long-term monitoring implemented in this study, the production of these compounds could be associated to specific moments of the growth of N. muscorum, providing new insights into the most appropriate harvesting time points for the biotechnological exploitation of specific molecules.
Peer review: yes
DOI: 10.1016/j.algal.2022.102792
ISSN: 2211-9264
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