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

PloS One
Laura Martín-TorrijosJavier Diéguez-Uribeondo

Abstract

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 Peninsul...Continue Reading

References

Oct 28, 2006·Diseases of Aquatic Organisms·Birgit OidtmannRudolf W Hoffmann
Aug 23, 2011·Journal of Invertebrate Pathology·Eva KozubíkováAdam Petrusek
Feb 24, 2012·Systematic Biology·Fredrik RonquistJohn P Huelsenbeck
Nov 8, 2012·Journal of the National Cancer Institute·Daniel F Alonso
Jan 7, 2015·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Nadia I RichmanBen Collen
Feb 13, 2016·Diseases of Aquatic Organisms·Ivana MaguireFrederic Grandjean
Apr 5, 2018·PloS One·Laura Martín-TorrijosJavier Diéguez-Uribeondo

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Citations

May 1, 2020·Journal of Invertebrate Pathology·Michaela MojžišováAdam Petrusek
May 1, 2021·Scientific Reports·Laura Martín-TorrijosJavier Diéguez-Uribeondo

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Datasets Mentioned

BETA
KX555484
KU159681
JX272193
SAP302
FM999249

Methods Mentioned

BETA
PCR
electrophoresis

Software Mentioned

Geneious
MrBayes
TCS
RAxML
raxmlGUI
BLAST
FigTree
PopArt

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