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Related Concept Videos

Other Algae01:19

Other Algae

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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Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
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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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Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...
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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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Updated: Jun 24, 2026

Cultivation of the Marine Pelagic Tunicate Dolioletta gegenbauri (Uljanin 1884) for Experimental Studies
09:39

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Published on: August 9, 2019

Loliolide in marine algae.

Aline Percot1, Ahmet Yalcin, Veysel Aysel

  • 1Laboratoire de Dynamique Interactions et Reactivite, UMR 7075 CNRS and Universite Pierre et Marie Curie, Paris 6, 2 rue Henry Dunant, Thiais, France.

Natural Product Research
|March 20, 2009
PubMed
Summary
This summary is machine-generated.

Marine algae from the Black Sea and Aegean Sea were analyzed for loliolide content. This study reports loliolide in green algae for the first time, with levels comparable to red and brown algae.

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Last Updated: Jun 24, 2026

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09:39

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Published on: January 7, 2019

Area of Science:

  • Marine Biology
  • Phytochemistry
  • Natural Products Chemistry

Background:

  • Marine algae are a rich source of diverse bioactive compounds.
  • Loliolide, a known marine natural product, has been identified in various organisms.
  • Previous studies have reported loliolide in algae and terrestrial plants.

Purpose of the Study:

  • To determine and quantify loliolide content in marine algae from the Black Sea, Dardanelles, and Aegean Sea.
  • To investigate the occurrence of loliolide in green algae, which has not been previously reported.
  • To compare loliolide levels across different algal types (red, brown, green).

Main Methods:

  • Collection of 13 marine algae samples (red, brown, green).
  • Identification and quantification of loliolide using gas chromatography-mass spectrometry (GC-MS).
  • Analysis of samples from specific geographic locations: Black Sea, Dardanelles, Aegean Sea.

Main Results:

  • Loliolide was detected in all analyzed marine algae.
  • The loliolide content in green algae was 1.76 µg g⁻¹.
  • Loliolide concentrations ranged from 0.14 to 4.35 µg g⁻¹ in red algae and 0.18 to 4.83 µg g⁻¹ in brown algae.
  • These findings represent the first report of loliolide in green algae.

Conclusions:

  • Loliolide is present in green, red, and brown marine algae from the studied regions.
  • The quantitative data align with previously reported loliolide levels in algae and terrestrial plants.
  • This study expands the known distribution of loliolide to include green algae.