Marine Biodiversity and Chemical Ecology: Population Dynamics and Natural Product Chemistry

A Special Issue of Diversity (ISSN 1424-2818) belonging to the section "Chemical Diversity and Chemical Ecology".

Deadline for manuscript submissions: 30 September 2026 | Viewed by 704

Editors


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Departamento de Sistemas y Procesos Naturales, Universidad Nacional Autónoma de México, Mexico City, México
Interests: marine

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Guest Editor
Departamento de Biología Marina, Universidad Autónoma de Yucatán, Mérida, Yucatán, Mexico
Interests: marine; diversity

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Guest Editor
Department of Science and Technology, “Parthenope” University of Naples, 80143 Naples, Italy
Interests: marine meiofauna; bioconstructions; marine pollution; invasive species; marine biodiversity; marine protected areas
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Special Issue Information

Dear Colleagues,

Marine biodiversity includes the wide variety of organisms present in ocean ecosystems, from microorganisms to macroorganisms. This diversity is crucial for maintaining the balance and resilience of marine ecosystems. Through marine chemical ecology, we can understand how organisms interact with each other and their surroundings through the production of secondary metabolites. These natural products serve various purposes, including defense mechanisms, communication, and competition. In particular, the study of these inter- and intraspecific ecological interactions can help understand the spatio-temporal population dynamics influenced by the size, structure, and fluctuations of marine populations, including predation, reproduction, and environmental conditions. These dynamics are vital for understanding changes in biodiversity and the availability of natural resources. Finally, marine chemical ecology, in addition to studying marine natural products as a result of evolutionary adaptations of marine organisms to their environments, contributes to the search for secondary metabolites with significant biological activity, making marine organisms a rich source for discovering new drugs and biotechnology development.

This Special Issue provides a platform to highlight new research and significant advances in the understanding of marine biodiversity and population dynamics through chemical ecology and marine natural products.

Dr. Dawrin Pech-Puch
Prof. Dr. Harold Villegas Hernández
Prof. Dr. Roberto Sandulli
Guest Editors

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Keywords

  • marine biodiversity
  • marine chemicals
  • population dynamics

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Published Papers (1 paper)

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Research

24 pages, 4173 KB  
Article
Bioactivity Patterns of Crude Extracts from Benthic Marine Organisms in the Yucatán Peninsula
by Harold Villegas-Hernández, Miguel Luna-Álvarez, Juan Carlos Monroy-López and Dawrin Pech-Puch
Diversity 2026, 18(9), 504; https://doi.org/10.3390/d18090504 - 23 Aug 2026
Viewed by 381
Abstract
This study examined the bioactivity profiles and secondary metabolite diversity of 64 crude extracts derived from benthic marine organisms, including 51 extracts from 34 sponge species and 13 extracts from 10 ascidian species, collected across six locations in two regions: the Gulf of [...] Read more.
This study examined the bioactivity profiles and secondary metabolite diversity of 64 crude extracts derived from benthic marine organisms, including 51 extracts from 34 sponge species and 13 extracts from 10 ascidian species, collected across six locations in two regions: the Gulf of Mexico (Alacranes Reef and Progreso) and the Mexican Caribbean (Cozumel, Bermejo, Mahahual, and Rio Indio) on the Yucatán Peninsula. The evaluation focused on five biological activities: cytotoxic, antialgal, antiviral, antifungal, and antibacterial. Results showed that 64.1% of the extracts displayed at least one activity, with 43.7% being cytotoxic, 35.9% antialgal, 25% antiviral, 15.6% antibacterial, and 14.1% antifungal. Using the Spearman correlation method, antifungal and antibacterial activities showed significant correlations in two sponge families, Agelasidae and Aplysinidae (ρ ranging from 0.99 to 0.97, p = 0.01–0.001). The Cozumel and Río Indio localities exhibited the highest number of bioactive extracts; notably, extracts of 15 species demonstrated specific biological activities. Furthermore, a dereplication strategy using 13C NMR spectroscopy was applied, aiding in the probable identification of secondary metabolites and clarifying the biological activities of recurrent species from different locations. Full article
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