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Biologically active compounds from the red sea sponge Suberea sp.

Lamiaa A Shaala1, Ameen Almohammadi2

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Area of Science:

  • Marine Natural Products Chemistry
  • Pharmacology
  • Organic Chemistry

Background:

  • Marine sponges, particularly from the Red Sea, are a rich source of bioactive secondary metabolites.
  • The sponge genus Suberea has previously yielded compounds with diverse biological activities.
  • Cytotoxicity and antimicrobial properties are key areas of research for novel therapeutic agents.

Purpose of the Study:

  • To isolate and characterize new chemical entities from the Red Sea sponge Suberea sp.
  • To evaluate the cytotoxic effects of the isolated compounds against human cancer cell lines.
  • To investigate the antimicrobial potential of these compounds.

Main Methods:

  • Extraction and fractionation of the Red Sea sponge Suberea sp.
  • Structure elucidation using spectroscopic techniques, including one- and two-dimensional Nuclear Magnetic Resonance (NMR) and Mass Spectrometry (MS).
  • In vitro assays to determine cytotoxic activity against selected cancer cell lines and antimicrobial activity against various microorganisms.

Main Results:

  • Two new compounds, 1-(hydroxy(1H-pyrrol-2-yl)methyl)guanidine and 4-(2-amino-3-methylbut-3-en-1-yl)phenol, were identified.
  • Six known compounds, including subereaphenol C and bromochloroverongiaquinol, were also isolated.
  • The isolated compounds demonstrated varying degrees of cytotoxic and antimicrobial activities.

Conclusions:

  • The Red Sea sponge Suberea sp. is a valuable source of structurally novel and biologically active marine natural products.
  • The identified compounds, particularly the new entities, warrant further investigation for their therapeutic potential in cancer and infectious diseases.
  • This study contributes to the understanding of the chemical diversity and pharmacological relevance of marine organisms.