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Metabolites
Special Issues
Metabolic and Endocrine Adaptations in Aquatic Animals
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Metabolic and Endocrine Adaptations in Aquatic Animals

A special issue of Metabolites (ISSN 2218-1989). This special issue belongs to the section "Animal Metabolism".

Deadline for manuscript submissions: 31 December 2025 | Viewed by 596

Special Issue Editors

Prof. Dr. Anapaula Sommer Vinagre

E-Mail Website
Guest Editor
Department of Physiology, Institute of Basic Health Sciences (ICBS), Federal University of Rio Grande do Sul (UFRGS), Porto Alegre 90035-003, RS, Brazil
Interests: animal endocrinology; animal metabolism; crustacean endocrinology; metabolism
Special Issues, Collections and Topics in MDPI journals
Dr. Luiz C. Kucharski

E-Mail Website
Guest Editor
Department of Physiology, Institute of Basic Health Sciences (ICBS), Federal University of Rio Grande do Sul (UFRGS), Porto Alegre 90035-003, RS, Brazil
Interests: animal endocrinology; animal metabolism; amphibian endocrinology; metabolism
Dr. Mariana Leivas Müller Hoff

E-Mail Website
Guest Editor
Department of Physiology and Pharmacology, Center for Biosciences (CB), Federal University of Pernambuco (UFPE), Recife 55608-680, PE, Brazil
Interests: animal endocrinology; animal metabolism; crustacean endocrinology; metabolism

Special Issue Information

Dear Colleagues,

Climate change has brought about fires, drought, floods, food shortage, and temperature changes. To worsen this scenario, these environmental changes have been followed by an increased concentration of pollutants (pesticides, organotins, plastics, drugs, etc.) in the water. Predicting how animal hormones and metabolism will be altered to face all these new challenges is important to forecast the odds of animal survival. Therefore, the impact of environmental stresses on energy metabolism and its hormonal control is of the utmost importance for the animals’ health status. The Special Issue, “Metabolic and Endocrine Adaptations in Aquatic Animals”, aims to study the impact of environmental stresses (changes) on the endocrinology and metabolism of aquatic (marine and freshwater) animals, including invertebrates, such as crustaceans and mollusks, and vertebrate species that live in aquatic environments such as fishes, amphibians, and aquatic mammals. This Special Issue will accept original research papers and reviews which also focus on endocrine disruption by pollutants.

Prof. Dr. Anapaula Sommer Vinagre
Dr. Luiz C. Kucharski
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Metabolites is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • aquatic animal metabolism
  • animal endocrinology
  • fish metabolism
  • fish endocrinology
  • crustacean metabolism
  • crustacean endocrinology

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Published Papers (1 paper)

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Research

16 pages, 1461 KiB  
Article
Impact of Tributyltin (TBT) on Energy Metabolism and Redox Homeostasis in Blue Crab Callinectes sapidus
by Leonardo Airton Ressel Simões, Rafaella Sanfelice Normann, Daniela Drosdowski, Bruna Selau, Marjoriane de Amaral, Alex Sander da Rosa Araujo and Anapaula Sommer Vinagre
Metabolites 2025, 15(4), 253; https://doi.org/10.3390/metabo15040253 - 8 Apr 2025
Viewed by 385
Abstract
Background/Objectives: Tributyltin (TBT), a potent biocide used in antifouling paints, is highly toxic to aquatic environments, causing oxidative stress, endocrine dysfunction, and metabolic disorders in aquatic organisms, including crustaceans. The blue crab Callinectes sapidus is an economically and ecologically important species in [...] Read more.
Background/Objectives: Tributyltin (TBT), a potent biocide used in antifouling paints, is highly toxic to aquatic environments, causing oxidative stress, endocrine dysfunction, and metabolic disorders in aquatic organisms, including crustaceans. The blue crab Callinectes sapidus is an economically and ecologically important species in several countries worldwide and is considered an invasive species in Europe. Methods: This study evaluated the effects of 7 days of exposure to environmentally relevant TBT concentrations (100 and 1000 ng.L−1) on the intermediary metabolism and oxidative balance of the blue crab Callinectes sapidus. After exposure, hemolymph samples were analyzed to determine glucose, lactate, total protein, and cholesterol levels. In tissue samples, concentrations of triglycerides, glycogen, total glutathione (GSH), reactive oxygen species (ROS), sulfhydryls, lipid peroxidation (LPO), and glutathione S-transferase (GST) activity were assessed. Results: In the hemolymph, glucose and lactate levels increased, while the total cholesterol, triglycerides, and total proteins decreased in all exposed groups. The GST activity increased in exposed tissues, while the total GSH and sulfhydryl content decreased. The ROS concentration increased in response to higher TBT concentrations. Conclusions: These findings highlight the toxicity of TBT and show that 7 days of exposure to environmentally relevant concentrations disrupts the metabolic homeostasis and oxidative balance in C. sapidus. Additionally, this study demonstrates that C. sapidus is sensitive to TBT exposure and has potential as a model species for ecotoxicological studies. Full article
(This article belongs to the Special Issue Metabolic and Endocrine Adaptations in Aquatic Animals)
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