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Unusual Localization of Hysterothylacium Incurvum in Xiphias gladius (Linnaeus 1758) Caught in the Atlantic Ocean
This study represents the first report of Hysterothylacium incurvum within swordfish (Xiphias gladius) heart chambers. Swordfish is a large pelagic teleost, considered one of the most appreciated fish worldwide. Among swordfish parasites, Anisakis sp. and Hysterothylacium sp. have been used to evalu...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2022
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9699614/ https://www.ncbi.nlm.nih.gov/pubmed/36365066 http://dx.doi.org/10.3390/pathogens11111315 |
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author | De Benedetto, Giovanni Corti, Ivan Malandra, Renato Riolo, Kristian Giannetto, Alessia Gaglio, Gabriella |
author_facet | De Benedetto, Giovanni Corti, Ivan Malandra, Renato Riolo, Kristian Giannetto, Alessia Gaglio, Gabriella |
author_sort | De Benedetto, Giovanni |
collection | PubMed |
description | This study represents the first report of Hysterothylacium incurvum within swordfish (Xiphias gladius) heart chambers. Swordfish is a large pelagic teleost, considered one of the most appreciated fish worldwide. Among swordfish parasites, Anisakis sp. and Hysterothylacium sp. have been used to evaluate biological and ecological aspects of this teleost. Between 2021 and 2022, 364 X. gladius hearts, caught from the Atlantic Ocean (FAO 27.IXa and FAO 34 areas), were collected at the Milan fish market (Lombardy, Italy). Three specimens from FAO 27.IXa was positive for seven adult nematodes (p = 1.55%) within the heart chambers. Of these, three specimens were found within the bulbus arteriosus and 4 in the ventricle. All parasites were stored in 70% ethanol and processed for parasitological and molecular analysis using Cox2, ITS regions/ITS-I-5.8S-ITS-II, and rrnS genes. The analysis allowed us to identify the retrieved parasite as H. incurvum. According to our evaluation, the final localization is due to the movement of L3 larvae from the coelomic cavity to the bloodstream, with consequent development to the adult stage within the heart. Finally, the parasite localization, considered non-marketable fish parts, does not pose a significant risk to consumers, also considering the low zoonotic potential of H. incurvum. |
format | Online Article Text |
id | pubmed-9699614 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-96996142022-11-26 Unusual Localization of Hysterothylacium Incurvum in Xiphias gladius (Linnaeus 1758) Caught in the Atlantic Ocean De Benedetto, Giovanni Corti, Ivan Malandra, Renato Riolo, Kristian Giannetto, Alessia Gaglio, Gabriella Pathogens Article This study represents the first report of Hysterothylacium incurvum within swordfish (Xiphias gladius) heart chambers. Swordfish is a large pelagic teleost, considered one of the most appreciated fish worldwide. Among swordfish parasites, Anisakis sp. and Hysterothylacium sp. have been used to evaluate biological and ecological aspects of this teleost. Between 2021 and 2022, 364 X. gladius hearts, caught from the Atlantic Ocean (FAO 27.IXa and FAO 34 areas), were collected at the Milan fish market (Lombardy, Italy). Three specimens from FAO 27.IXa was positive for seven adult nematodes (p = 1.55%) within the heart chambers. Of these, three specimens were found within the bulbus arteriosus and 4 in the ventricle. All parasites were stored in 70% ethanol and processed for parasitological and molecular analysis using Cox2, ITS regions/ITS-I-5.8S-ITS-II, and rrnS genes. The analysis allowed us to identify the retrieved parasite as H. incurvum. According to our evaluation, the final localization is due to the movement of L3 larvae from the coelomic cavity to the bloodstream, with consequent development to the adult stage within the heart. Finally, the parasite localization, considered non-marketable fish parts, does not pose a significant risk to consumers, also considering the low zoonotic potential of H. incurvum. MDPI 2022-11-09 /pmc/articles/PMC9699614/ /pubmed/36365066 http://dx.doi.org/10.3390/pathogens11111315 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article De Benedetto, Giovanni Corti, Ivan Malandra, Renato Riolo, Kristian Giannetto, Alessia Gaglio, Gabriella Unusual Localization of Hysterothylacium Incurvum in Xiphias gladius (Linnaeus 1758) Caught in the Atlantic Ocean |
title | Unusual Localization of Hysterothylacium Incurvum in Xiphias gladius (Linnaeus 1758) Caught in the Atlantic Ocean |
title_full | Unusual Localization of Hysterothylacium Incurvum in Xiphias gladius (Linnaeus 1758) Caught in the Atlantic Ocean |
title_fullStr | Unusual Localization of Hysterothylacium Incurvum in Xiphias gladius (Linnaeus 1758) Caught in the Atlantic Ocean |
title_full_unstemmed | Unusual Localization of Hysterothylacium Incurvum in Xiphias gladius (Linnaeus 1758) Caught in the Atlantic Ocean |
title_short | Unusual Localization of Hysterothylacium Incurvum in Xiphias gladius (Linnaeus 1758) Caught in the Atlantic Ocean |
title_sort | unusual localization of hysterothylacium incurvum in xiphias gladius (linnaeus 1758) caught in the atlantic ocean |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9699614/ https://www.ncbi.nlm.nih.gov/pubmed/36365066 http://dx.doi.org/10.3390/pathogens11111315 |
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