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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...
Red Algae01:23

Red Algae

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...
Green Algae01:21

Green Algae

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...
Overview of Algae01:28

Overview of Algae

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...
Marine Microbial Ecology01:30

Marine Microbial Ecology

Marine microbial ecosystems are shaped by distinct physicochemical limits, including high salinity, low nutrient availability, and fluctuating oxygen levels. These conditions favor smaller microbial cell sizes, which maximize their surface-to-volume ratio for efficient nutrient uptake.Microbial activity and community composition are closely linked to biogeochemical cycles, particularly in dynamic environments like estuaries, where halotolerant microbes thrive in response to variable salinity...
Bacterial Phylum Cyanobacteria01:30

Bacterial Phylum Cyanobacteria

Cyanobacteria are a diverse group of oxygenic, phototrophic bacteria that played a pivotal role in converting Earth’s atmosphere from anoxic to oxygen-rich billions of years ago. They exhibit remarkable morphological diversity, ranging from unicellular forms to filamentous types, with cell sizes varying between 0.5 μm and 100 μm. Cyanobacteria are classified into five groups: Chroococcales (unicellular, dividing by binary fission), Pleurocapsales (unicellular, dividing by multiple fission),...

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Correction: Assalve et al. Marine Algal Metabolites as Cellular Antioxidants: A Study of Caulerpin and Caulerpinic Acid in <i>Saccharomyces cerevisiae</i>. <i>Mar. Drugs</i> 2025, <i>23</i>, 338.

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Updated: Jun 13, 2026

Comparison of Scale in a Photosynthetic Reactor System for Algal Remediation of Wastewater
05:40

Comparison of Scale in a Photosynthetic Reactor System for Algal Remediation of Wastewater

Published on: March 6, 2017

Alkaloids in marine algae.

Kasim Cemal Güven1, Aline Percot, Ekrem Sezik

  • 1Istanbul Aydin University, Inönü Cad., Istanbul, Turkey. kcguven@yahoo.com.tr

Marine Drugs
|April 15, 2010
PubMed
Summary
This summary is machine-generated.

Marine algae contain unique alkaloids with potential pharmacological activities. This review details these compounds, their structures, and applications, highlighting a gap in research compared to terrestrial plants.

Keywords:
alkaloidshalogenated indole alkaloidsindole alkaloidsother alkaloidsphenylethylamine alkaloids

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Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae
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Area of Science:

  • Marine Biology
  • Natural Product Chemistry
  • Pharmacology

Background:

  • Algal chemistry is a growing field for drug discovery due to unique compounds.
  • Alkaloids from algae are of significant interest for their pharmacological properties.
  • Research on algal alkaloids is limited compared to terrestrial plant alkaloids.

Purpose of the Study:

  • To review alkaloids found in marine algae (green, brown, red).
  • To detail the structures and pharmacological activities of macroalgal alkaloids.
  • To categorize marine algae alkaloids into three main groups.

Main Methods:

  • Literature review of scientific publications on marine algae alkaloids.
  • Compilation and analysis of reported alkaloid structures.
  • Summary of known pharmacological activities associated with these alkaloids.

Main Results:

  • Identified alkaloids in green, brown, and red marine algae.
  • Detailed structures and pharmacological activities of various marine alkaloids.
  • Classified marine alkaloids into phenylethylamine, indole/halogenated indole, and other types.

Conclusions:

  • Marine algae are a promising source of novel alkaloids.
  • Further research into algal alkaloids could lead to new drug development.
  • Systematic classification aids in understanding and exploring algal alkaloid diversity.