Mapping 15 years of crayfish plague in the Iberian Peninsula: The impact of two invasive species on the endangered native crayfish.

Crayfish plague, caused by the pathogen Aphanomyces astaci, is one of the main factors responsible for the decimation of the native European crayfish species Austropotamobius pallipes. In Spain, two North American freshwater crayfish species, Procambarus clarkii and Pacifastacus leniusculus, were in...

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Autores principales:	Laura Martín-Torrijos, Harri Kokko, Jenny Makkonen, Japo Jussila, Javier Diéguez-Uribeondo
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/8d8c7f1bb2b54c2b8d92660f1c02b0b2
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spelling	oai:doaj.org-article:8d8c7f1bb2b54c2b8d92660f1c02b0b22021-12-02T20:11:30ZMapping 15 years of crayfish plague in the Iberian Peninsula: The impact of two invasive species on the endangered native crayfish.1932-620310.1371/journal.pone.0219223https://doaj.org/article/8d8c7f1bb2b54c2b8d92660f1c02b0b22019-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0219223https://doaj.org/toc/1932-6203Crayfish plague, caused by the pathogen Aphanomyces astaci, is one of the main factors responsible for the decimation of the native European crayfish species Austropotamobius pallipes. In Spain, two North American freshwater crayfish species, Procambarus clarkii and Pacifastacus leniusculus, were intentionally introduced during the 1970s for aquaculture and fishery purposes. Since then, incidences of crayfish plague have been continually reported. In this work, we evaluated more than 50 diagnosed cases of crayfish plague that have occurred in the Iberian Peninsula since 2004 by performing a microscopic examination of infected specimens and by molecularly identifying and haplotyping the pathogen. Our results showed that (i) the pathogen A. astaci has been active 45 years since the first introductions of the invasive North American crayfish species in the Iberian Peninsula, and (ii) P. clarkii and P. leniusculus are chronic reservoirs of the crayfish plague pathogen. Moreover, our data confirmed a correspondence between pathogen origin and spread and the specific haplotypes carried by the North American invasive crayfish located in the vicinity of each outbreak. We generated a crayfish plague incidence map of the Iberian Peninsula that shows (i) a northern area, mainly inhabited by alien P. leniusculus, where crayfish plague cases are associated with the b-haplotype specific to P. leniusculus, and (ii) southern, central and eastern areas that are basically inhabited by alien P. clarkii, where crayfish plague cases are associated with the d1- and d2-haplotypes specific to P. clarkii. The results presented here are evidence of the long standing and negative impact of the two invasive crayfish species on the native species, indicating the need for more extensive control measures.Laura Martín-TorrijosHarri KokkoJenny MakkonenJapo JussilaJavier Diéguez-UribeondoPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 14, Iss 8, p e0219223 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Laura Martín-Torrijos Harri Kokko Jenny Makkonen Japo Jussila Javier Diéguez-Uribeondo Mapping 15 years of crayfish plague in the Iberian Peninsula: The impact of two invasive species on the endangered native crayfish.
description	Crayfish plague, caused by the pathogen Aphanomyces astaci, is one of the main factors responsible for the decimation of the native European crayfish species Austropotamobius pallipes. In Spain, two North American freshwater crayfish species, Procambarus clarkii and Pacifastacus leniusculus, were intentionally introduced during the 1970s for aquaculture and fishery purposes. Since then, incidences of crayfish plague have been continually reported. In this work, we evaluated more than 50 diagnosed cases of crayfish plague that have occurred in the Iberian Peninsula since 2004 by performing a microscopic examination of infected specimens and by molecularly identifying and haplotyping the pathogen. Our results showed that (i) the pathogen A. astaci has been active 45 years since the first introductions of the invasive North American crayfish species in the Iberian Peninsula, and (ii) P. clarkii and P. leniusculus are chronic reservoirs of the crayfish plague pathogen. Moreover, our data confirmed a correspondence between pathogen origin and spread and the specific haplotypes carried by the North American invasive crayfish located in the vicinity of each outbreak. We generated a crayfish plague incidence map of the Iberian Peninsula that shows (i) a northern area, mainly inhabited by alien P. leniusculus, where crayfish plague cases are associated with the b-haplotype specific to P. leniusculus, and (ii) southern, central and eastern areas that are basically inhabited by alien P. clarkii, where crayfish plague cases are associated with the d1- and d2-haplotypes specific to P. clarkii. The results presented here are evidence of the long standing and negative impact of the two invasive crayfish species on the native species, indicating the need for more extensive control measures.
format	article
author	Laura Martín-Torrijos Harri Kokko Jenny Makkonen Japo Jussila Javier Diéguez-Uribeondo
author_facet	Laura Martín-Torrijos Harri Kokko Jenny Makkonen Japo Jussila Javier Diéguez-Uribeondo
author_sort	Laura Martín-Torrijos
title	Mapping 15 years of crayfish plague in the Iberian Peninsula: The impact of two invasive species on the endangered native crayfish.
title_short	Mapping 15 years of crayfish plague in the Iberian Peninsula: The impact of two invasive species on the endangered native crayfish.
title_full	Mapping 15 years of crayfish plague in the Iberian Peninsula: The impact of two invasive species on the endangered native crayfish.
title_fullStr	Mapping 15 years of crayfish plague in the Iberian Peninsula: The impact of two invasive species on the endangered native crayfish.
title_full_unstemmed	Mapping 15 years of crayfish plague in the Iberian Peninsula: The impact of two invasive species on the endangered native crayfish.
title_sort	mapping 15 years of crayfish plague in the iberian peninsula: the impact of two invasive species on the endangered native crayfish.
publisher	Public Library of Science (PLoS)
publishDate	2019
url	https://doaj.org/article/8d8c7f1bb2b54c2b8d92660f1c02b0b2
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Mapping 15 years of crayfish plague in the Iberian Peninsula: The impact of two invasive species on the endangered native crayfish.

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