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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...
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Related Experiment Video

Updated: Mar 27, 2026

Generation of Marked and Markerless Mutants in Model Cyanobacterial Species
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Bioactive Compounds from Cyanobacteria: A Mini Review.

Weidong Tang1, Lei Hu2, Chengqian Pan2

  • 1Department of Pharmacy, Affiliated Hospital of Jiangsu University, Zhenjiang, 212013, China.

Current Topics in Medicinal Chemistry
|March 25, 2026
PubMed
Summary
This summary is machine-generated.

Cyanobacteria are a rich source of novel bioactive compounds with potential for drug development. This review highlights 35 new peptides, lipids, macrolides, and terpenoids discovered in 2024, showcasing their diverse biological activities.

Keywords:
Cyanobacteriacytotoxicityidentification.natural productspeptidessecondary metabolites

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Area of Science:

  • Marine biology
  • Natural product chemistry
  • Drug discovery

Background:

  • Cyanobacteria are recognized as a significant source of novel natural products with potent bioactive components.
  • Previous research has primarily focused on marine cyanobacteria, yielding structurally diverse and biologically active small molecules.
  • The urgent need for new lead compounds in drug development drives exploration of these microorganisms.

Purpose of the Study:

  • To systematically review recent advancements in bioactive secondary metabolites from cyanobacteria reported globally in 2024.
  • To compile chemical and biological data for newly discovered compounds, emphasizing their potential pharmaceutical applications.

Main Methods:

  • Comprehensive literature search for cyanobacterial secondary metabolites reported in 2024.
  • Analysis of chemical structures and biological activities (cytotoxic, anti-inflammatory, enzyme-inhibitory) of isolated compounds.
  • Categorization of compounds by chemical class (peptides, lipids, macrolides, terpenoids).

Main Results:

  • Review includes 35 newly discovered compounds: 24 peptides, 7 lipids, 2 macrolides, and 2 terpenoids.
  • Most compounds were isolated from marine cyanobacteria, with some from freshwater species.
  • Detailed chemical and biological data, including cytotoxic, anti-inflammatory, and enzyme-inhibitory activities, are presented.

Conclusions:

  • Cyanobacterial secondary metabolites exhibit significant chemical diversity and biological potential.
  • These compounds hold promise for applications in the pharmaceutical and biotechnology sectors.
  • Continued exploration of cyanobacteria is crucial for discovering novel therapeutic agents.