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A Peculiar Distribution of the Emerging Nematode Angiostrongylus cantonensis in the Canary Islands (Spain): Recent Introduction or Isolation Effect?
SIMPLE SUMMARY: Angiostrongylus cantonensis, commonly known as the rat lungworm, is considered the leading cause of eosinophilic meningitis in humans. It is an emerging zoonotic parasite, endemic to the temperate and tropical zones of the Far East, Southeast Asia and the Pacific Islands, that has ex...
Autores principales: | , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8147057/ https://www.ncbi.nlm.nih.gov/pubmed/33924825 http://dx.doi.org/10.3390/ani11051267 |
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author | Martín-Carrillo, Natalia Feliu, Carlos Abreu-Acosta, Néstor Izquierdo-Rodriguez, Elena Dorta-Guerra, Roberto Miquel, Jordi Abreu-Yanes, Estefanía Martin-Alonso, Aarón García-Livia, Katherine Quispe-Ricalde, María Antonieta Serra-Cobo, Jordi Valladares, Basilio Foronda, Pilar |
author_facet | Martín-Carrillo, Natalia Feliu, Carlos Abreu-Acosta, Néstor Izquierdo-Rodriguez, Elena Dorta-Guerra, Roberto Miquel, Jordi Abreu-Yanes, Estefanía Martin-Alonso, Aarón García-Livia, Katherine Quispe-Ricalde, María Antonieta Serra-Cobo, Jordi Valladares, Basilio Foronda, Pilar |
author_sort | Martín-Carrillo, Natalia |
collection | PubMed |
description | SIMPLE SUMMARY: Angiostrongylus cantonensis, commonly known as the rat lungworm, is considered the leading cause of eosinophilic meningitis in humans. It is an emerging zoonotic parasite, endemic to the temperate and tropical zones of the Far East, Southeast Asia and the Pacific Islands, that has expanded to all continents with the exception of Antarctica. Considering the recent finding of this parasite in rats from the Canary Islands, the aim of this study was to determine its current distribution in these islands in order to highlight the risk sources for angiostrongyliasis in the archipelago. We also analyzed the environmental conditions that could determine distribution. A. cantonensis was detected in only one of the eight islands that constitute this archipelago, i.e., in the north part of the island, which presents better environmental conditions than the south for the parasite to establish itself. This limited distribution could indicate a recent introduction of the parasite in the Canaries or an isolation effect that has not allowed the expansion to the other islands. The presence of A. cantonensis implies risks for humans and other animals that justify the need of control measures to prevent the expansion to other similar areas of the archipelago. ABSTRACT: Angiostrongylus cantonensis is an emerging zoonotic nematode recognized as the leading cause of eosinophilic meningitis in the word. After its discovery in China, it was recorded in 30 countries worldwide. Recently, it has expanded to new areas such as South America and it has been recently found in the Atlantic island of Tenerife (Canary Islands). In order to characterize the distribution of A. cantonensis in the Canary Islands, the lungs of 1462 rodents were sampled in eight islands of the archipelago over 13 years and were then analyzed for A. cantonensis. Remarkably, the parasite was detected only in Tenerife, in Rattus rattus (19.7%) and Rattus norvegicus (7.14%). They were concretely in the northern part of the island, which had a warmer and more humid climate than the south and main cities. The absence of this nematode in other islands with similar environmental conditions could be explained by an isolation effect or by a recent introduction of the parasite in the islands. Besides, the presence in Tenerife of the most invasive lineage of A. cantonensis reinforced the hypothesis of a recent introduction on this island. This study highlights the need to implement control measures to prevent the expansion to other areas in order to avoid the transmission to humans and other animals. |
format | Online Article Text |
id | pubmed-8147057 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-81470572021-05-26 A Peculiar Distribution of the Emerging Nematode Angiostrongylus cantonensis in the Canary Islands (Spain): Recent Introduction or Isolation Effect? Martín-Carrillo, Natalia Feliu, Carlos Abreu-Acosta, Néstor Izquierdo-Rodriguez, Elena Dorta-Guerra, Roberto Miquel, Jordi Abreu-Yanes, Estefanía Martin-Alonso, Aarón García-Livia, Katherine Quispe-Ricalde, María Antonieta Serra-Cobo, Jordi Valladares, Basilio Foronda, Pilar Animals (Basel) Article SIMPLE SUMMARY: Angiostrongylus cantonensis, commonly known as the rat lungworm, is considered the leading cause of eosinophilic meningitis in humans. It is an emerging zoonotic parasite, endemic to the temperate and tropical zones of the Far East, Southeast Asia and the Pacific Islands, that has expanded to all continents with the exception of Antarctica. Considering the recent finding of this parasite in rats from the Canary Islands, the aim of this study was to determine its current distribution in these islands in order to highlight the risk sources for angiostrongyliasis in the archipelago. We also analyzed the environmental conditions that could determine distribution. A. cantonensis was detected in only one of the eight islands that constitute this archipelago, i.e., in the north part of the island, which presents better environmental conditions than the south for the parasite to establish itself. This limited distribution could indicate a recent introduction of the parasite in the Canaries or an isolation effect that has not allowed the expansion to the other islands. The presence of A. cantonensis implies risks for humans and other animals that justify the need of control measures to prevent the expansion to other similar areas of the archipelago. ABSTRACT: Angiostrongylus cantonensis is an emerging zoonotic nematode recognized as the leading cause of eosinophilic meningitis in the word. After its discovery in China, it was recorded in 30 countries worldwide. Recently, it has expanded to new areas such as South America and it has been recently found in the Atlantic island of Tenerife (Canary Islands). In order to characterize the distribution of A. cantonensis in the Canary Islands, the lungs of 1462 rodents were sampled in eight islands of the archipelago over 13 years and were then analyzed for A. cantonensis. Remarkably, the parasite was detected only in Tenerife, in Rattus rattus (19.7%) and Rattus norvegicus (7.14%). They were concretely in the northern part of the island, which had a warmer and more humid climate than the south and main cities. The absence of this nematode in other islands with similar environmental conditions could be explained by an isolation effect or by a recent introduction of the parasite in the islands. Besides, the presence in Tenerife of the most invasive lineage of A. cantonensis reinforced the hypothesis of a recent introduction on this island. This study highlights the need to implement control measures to prevent the expansion to other areas in order to avoid the transmission to humans and other animals. MDPI 2021-04-28 /pmc/articles/PMC8147057/ /pubmed/33924825 http://dx.doi.org/10.3390/ani11051267 Text en © 2021 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 Martín-Carrillo, Natalia Feliu, Carlos Abreu-Acosta, Néstor Izquierdo-Rodriguez, Elena Dorta-Guerra, Roberto Miquel, Jordi Abreu-Yanes, Estefanía Martin-Alonso, Aarón García-Livia, Katherine Quispe-Ricalde, María Antonieta Serra-Cobo, Jordi Valladares, Basilio Foronda, Pilar A Peculiar Distribution of the Emerging Nematode Angiostrongylus cantonensis in the Canary Islands (Spain): Recent Introduction or Isolation Effect? |
title | A Peculiar Distribution of the Emerging Nematode Angiostrongylus cantonensis in the Canary Islands (Spain): Recent Introduction or Isolation Effect? |
title_full | A Peculiar Distribution of the Emerging Nematode Angiostrongylus cantonensis in the Canary Islands (Spain): Recent Introduction or Isolation Effect? |
title_fullStr | A Peculiar Distribution of the Emerging Nematode Angiostrongylus cantonensis in the Canary Islands (Spain): Recent Introduction or Isolation Effect? |
title_full_unstemmed | A Peculiar Distribution of the Emerging Nematode Angiostrongylus cantonensis in the Canary Islands (Spain): Recent Introduction or Isolation Effect? |
title_short | A Peculiar Distribution of the Emerging Nematode Angiostrongylus cantonensis in the Canary Islands (Spain): Recent Introduction or Isolation Effect? |
title_sort | peculiar distribution of the emerging nematode angiostrongylus cantonensis in the canary islands (spain): recent introduction or isolation effect? |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8147057/ https://www.ncbi.nlm.nih.gov/pubmed/33924825 http://dx.doi.org/10.3390/ani11051267 |
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