Lipid Profiling (Lipidome) of Marine Organisms

A special issue of Marine Drugs (ISSN 1660-3397).

Deadline for manuscript submissions: closed (22 November 2019) | Viewed by 4661

Special Issue Editors


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Guest Editor
Marine Biotechnology and Aquaculture Group, Center for Environmental and Marine Studies (CESAM) and Department of Biology, University of Aveiro.
Interests: Marine Lipidomics; Mass spectrometry; Marine macrophytes; Marine Lipids
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
1. CESAM—Centre for Environmental and Marine Studies & Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
2. Mass Spectrometry Centre & LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
Interests: lipidomics; mass spectrometry; marine lipids; algae lipids
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,                

Lipids are major components of marine organism, as main constituents of cell membranes, as signalling molecules and as energy source. Different marine organisms have their specific lipidome, that can be used to chemophenotyping, traceability and as biomarkers of trophic chains in marine ecosystems, or even to disclose the nutritional value or prospect bioactive compounds. Lipidome of marine organisms is largely unknown, due to the great biochemical diversity and the presence of large number of different molecular lipid species. Moreover, lipid composition may shift among species, origin of organisms, the environmental and the availability of nutrients. Modern lipidomics approaches allow to overcome this challenge to decode and map the whole lipidome of marine organisms.

This Special Issue of Marine Drugs entitled “Lipid profiling (Lipidome) of marine organisms” aims to provide a comprehensive lipidomics analysis of a great variety of marine organisms to identify lipid molecular species with add value and health-promoting properties for biotechnological applications as nutraceuticals, functional food or supplements in food and pharma industries. The decoding of lipid profile of marine organisms can also allow to establish and develop networks on lipid biochemistry in marine organisms to be applied for traceability and assignment of geographic origin.

As Guest Editors, we invite colleagues working on marine lipids and their applications to contribute to this Special Issue of Marine Drugs with interesting papers filling the existing gap on the knowledge of the marine organisms lipidome.

Dr. Elisabete Maciel
Dr. Tânia Melo
Guest Editors

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Keywords

  • Marine Lipids
  • Lipidomics
  • Marine organisms
  • Fatty Acids
  • Phospholipids
  • Glycolipids
  • Sterols
  • Mass spectrometry

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Published Papers (1 paper)

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Research

18 pages, 1944 KiB  
Article
Culturable Diversity and Lipid Production Profile of Labyrinthulomycete Protists Isolated from Coastal Mangrove Habitats of China
by Qiuzhen Wang, Huike Ye, Yunxuan Xie, Yaodong He, Biswarup Sen and Guangyi Wang
Mar. Drugs 2019, 17(5), 268; https://doi.org/10.3390/md17050268 - 6 May 2019
Cited by 29 | Viewed by 3909
Abstract
Labyrinthulomycete protists have gained significant attention in the recent past for their biotechnological importance. Yet, their lipid profiles are poorly described because only a few large-scale isolation attempts have been made so far. Here, we isolated more than 200 strains from mangrove habitats [...] Read more.
Labyrinthulomycete protists have gained significant attention in the recent past for their biotechnological importance. Yet, their lipid profiles are poorly described because only a few large-scale isolation attempts have been made so far. Here, we isolated more than 200 strains from mangrove habitats of China and characterized the molecular phylogeny and lipid accumulation potential of 71 strains. These strains were the closest relatives of six genera namely Aurantiochytrium, Botryochytrium, Parietichytrium, Schizochytrium, Thraustochytrium, and Labyrinthula. Docosahexaenoic acid (DHA) production of the top 15 strains ranged from 0.23 g/L to 1.14 g/L. Two labyrinthulid strains, GXBH-107 and GXBH-215, exhibited unprecedented high DHA production potential with content >10% of biomass. Among all strains, ZJWZ-7, identified as an Aurantiochytrium strain, exhibited the highest DHA production. Further optimization of culture conditions for strain ZJWZ-7 showed improved lipid production (1.66 g/L DHA and 1.68 g/L saturated fatty acids (SFAs)) with glycerol-malic-acid, peptone-yeast-extract, initial pH 7, 28 °C, and rotation rate 150 rpm. Besides, nitrogen source, initial pH, temperature, and rotation rate had significant effects on the cell biomass, DHA, and SFAs production. This study provides the identification and characterization of nearly six dozen thraustochytrids and labyrinthulids with high potential for lipid accumulation. Full article
(This article belongs to the Special Issue Lipid Profiling (Lipidome) of Marine Organisms)
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