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Related Concept Videos

Overview of Algae01:28

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The kingdom Archaeplastida encompasses red and green algae, along with land plants. Unlike other protists with chloroplasts that arose through secondary endosymbiosis, only red and green algae originated from primary endosymbiotic events. This diverse group of eukaryotic organisms contains chlorophyll and performs oxygenic photosynthesis.Algae exist in various forms, from large brown kelp in coastal waters to green scum in puddles and stains on rocks or soil. Some species are responsible for...
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The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
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Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
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Related Experiment Video

Updated: Dec 13, 2025

High-Throughput Metabolic Profiling for Model Refinements of Microalgae
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Isoprostanoid Profiling of Marine Microalgae.

Claire Vigor1, Camille Oger1, Guillaume Reversat1

  • 1Institut des Biomolécules Max Mousseron, IBMM, Université de Montpellier, CNRS, ENSCM, Faculté de Pharmacie, 34093 CEDEX 5 Montpellier, France.

Biomolecules
|July 26, 2020
PubMed
Summary

Marine microalgae produce bioactive isoprostanoids from polyunsaturated fatty acids (PUFAs). Their production varied under copper and hydrogen peroxide stress, suggesting potential for bioresource applications.

Keywords:
PUFAsisoprostanoidsmicro-LC-MS/MSmicroalgaeoxidative stress

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Analysis of Fatty Acid Content and Composition in Microalgae
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Area of Science:

  • Marine biology
  • Biochemistry
  • Metabolomics

Background:

  • Algae possess complex metabolic networks enabling synthesis of polyunsaturated fatty acids (PUFAs).
  • Nonenzymatic oxidation of PUFAs yields high-value bioactive metabolites called isoprostanoids.
  • Limited research exists on isoprostanoid production in algae.

Purpose of the Study:

  • To profile isoprostanoids in four marine microalgae species.
  • To investigate the correlation between PUFAs and isoprostanoid profiles.
  • To assess the impact of copper and hydrogen peroxide stress on isoprostanoid production.

Main Methods:

  • Liquid chromatography-mass spectrometry/mass spectrometry (LC-MS/MS) for isoprostanoid profiling.
  • Analysis of four marine microalgae species.
  • Exposure to copper and hydrogen peroxide stress conditions.

Main Results:

  • A strong correlation was found between abundant PUFAs and isoprostanoid profiles in the studied algae.
  • Copper stress increased isoprostanoid production in *Tisochrysis lutea* and *Phaeodactylum tricornutum*, but not in *Rhodomonas salina* and *Chaetoceros gracilis*.
  • Hydrogen peroxide stress affected isoprostanoid levels in *Rhodomonas salina* and *Phaeodactylum tricornutum* but not in *C. gracilis* and *T. lutea*.

Conclusions:

  • Marine microalgae are a potential source of isoprostanoids.
  • Isoprostanoid production in microalgae is influenced by environmental stressors.
  • Further research is needed to elucidate the physiological roles of isoprostanoids in marine algae.