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10:43
Preparation, Purification, and Use of Fatty Acid-containing Liposomes
Published on: February 9, 2018
82.5K
Eelgrass pathogen Labyrinthula zosterae synthesizes essential fatty acids.
R M Yoshioka1, J B Schram, A W E Galloway
1Oregon Institute of Marine Biology, University of Oregon, Charleston, Oregon 97420, USA.
Diseases of Aquatic Organisms
|July 26, 2019
Summary
The pathogen Labyrinthula zosterae produces valuable long-chain polyunsaturated fatty acids (LCPUFA), including docosahexaenoic acid (DHA). Diseased eelgrass shows increased LCPUFA, suggesting a novel ecosystem nutrient source.
Area of Science:
- Marine Biology
- Ecology
- Biochemistry
Background:
- Parasites and diseases impact ecosystems in complex ways, often less understood than host effects.
- Eelgrass wasting disease, caused by Labyrinthula zosterae (Lz), is known, but its biochemical contributions are unclear.
- Related microbes produce beneficial long-chain polyunsaturated fatty acids (LCPUFA), such as docosahexaenoic acid (DHA).
Purpose of the Study:
- To investigate if Labyrinthula zosterae produces LCPUFA.
- To quantify fatty acid profiles of Lz cultured under different conditions.
- To compare fatty acid content in diseased versus healthy eelgrass from lab and field settings.
Main Methods:
- Culturing Lz on artificial and eelgrass-based media.
- Analyzing fatty acid composition of cultured Lz.
- Examining fatty acids in laboratory-inoculated and field-collected eelgrass lesions and controls.
Main Results:
- Labyrinthula zosterae predominantly produces docosahexaenoic acid (DHA) and other essential fatty acids.
- DHA content was significantly higher in diseased eelgrass compared to controls.
- Similar fatty acid patterns were observed in both laboratory and field samples.
Conclusions:
- Labyrinthula zosterae is a significant producer of DHA.
- Eelgrass wasting disease may represent an unrecognized source of LCPUFA in marine ecosystems.
- Further research is needed to understand the in situ implications of Lz's fatty acid production.
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