Diagnostic and Characterization of Fish Pathogens

A special issue of Pathogens (ISSN 2076-0817).

Deadline for manuscript submissions: closed (20 May 2025) | Viewed by 902

Special Issue Editors


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Guest Editor
Instituto de Acuicultura, Universidade de Santiago de Compostela, Santiago, Spain
Interests: fish viruses; IPNV; NNV; diagnostics; virulence; epidemiology
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Centro de Investigación Mariña, Universidade de Vigo, Vigo, Spain
Interests: fish parasites; diagnostics; immunobiology; Philasterides; Anisakis
Instituto de Acuicultura, Universidade de Santiago de Compostela, Santiago, Spain
Interests: bacterial fish diseases; virulence factors; iron uptake mechanisms; novel therapeutic targets
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Sustainable aquaculture is one of the most important topics in the world. It depends, to a large extent, on the control of pathologies, which in turn depends on the rapid and accurate detection and identification of the causative agent, so that it can be characterized and specific prevention and control measures can be developed. Nowadays, increasingly modern and powerful tools are used for diagnosis and characterization. Some of these, well established in human and terrestrial animal pathologies, are not commonly employed in the aquatic field. For this reason, in this Special Issue, we want to encourage scholars to contribute their research on the diagnosis and characterization (viral, bacterial and parasitic) of fish and shellfish pathogens. 

Dr. Carlos P. Dopazo
Dr. Raúl Iglesias
Dr. Miguel Balado
Guest Editors

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Keywords

  • fish diseases
  • diagnosis
  • characterization
  • new advances
  • new technologies

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Published Papers (1 paper)

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Research

17 pages, 6788 KiB  
Article
Integrative Taxonomy of Didymozoids Parasitizing Thunnus obesus (Scombridae) from Southwest Atlantic Ocean: A New Genus and Species
by Yuri C. Meneses, Marcia C. N. Justo, Ana Maria Moreira-Silva, Lorrayne S. S. de Brito, Alena M. Iñiguez and Simone C. Cohen
Pathogens 2025, 14(4), 359; https://doi.org/10.3390/pathogens14040359 - 7 Apr 2025
Viewed by 352
Abstract
The global fauna of Didymozoidae infecting fishes is very diverse and includes 270 species. Integrative taxonomic studies in this group are rare, and genetic data are lacking for the molecular identification of species. In this study, a new genus and species, Platodidymocystis yamagutii [...] Read more.
The global fauna of Didymozoidae infecting fishes is very diverse and includes 270 species. Integrative taxonomic studies in this group are rare, and genetic data are lacking for the molecular identification of species. In this study, a new genus and species, Platodidymocystis yamagutii n. gen., n. sp., is described based on morphological and genetic analyses. The new genus is allocated to Didymozoinae but differs from all other genera of this subfamily, mainly by the morphology of the testes and ovary. The genetic analysis and molecular phylogeny using 28S rDNA and ITS2 markers showed P. yamagutii n. gen., n. sp. in a unique cluster in monophyly and most closely related to Platocystis vivipara (Yamaguti, 1970), followed by Didymocystis spp. Additionally, Didymosulcus philobranchiarca (Yamaguti, 1970) was also characterized by integrative taxonomy and Koellikerioides internogastricus Yamaguti, 1970, Didymocystis neothunni (Yamaguti, 1970), and P. vivipara were analyzed by molecular taxonomy. This is the first integrative taxonomic study of Didymozoidae from the Atlantic coast and the first survey to provide novel genetic data for five species of Didymozoidae trematodes, contributing to the increment of the knowledge and expansion of the geographical distribution of didymozoid species parasites of Scombridae in the Southern Atlantic Ocean. Full article
(This article belongs to the Special Issue Diagnostic and Characterization of Fish Pathogens)
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