Introduced Pathogens and Native Freshwater Biodiversity: A Case Study of Sphaerothecum destruens.

Andreou, D, Arkush, K., Guegan, J.F. and Gozlan, R. E., 2012. Introduced Pathogens and Native Freshwater Biodiversity: A Case Study of Sphaerothecum destruens. PLoS One, 7 (5).

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Official URL: http://www.plosone.org/article/info%3Adoi%2F10.137...

DOI: 10.1371/journal.pone.0036998

Abstract

A recent threat to European fish diversity was attributed to the association between an intracellular parasite, Sphaerothecum destruens, and a healthy freshwater fish carrier, the invasive Pseudorasbora parva originating from China. The pathogen was found to be responsible for the decline and local extinction of the European endangered cyprinid Leucaspius delineatus and high mortalities in stocks of Chinook and Atlantic salmon in the USA. Here, we show that the emerging S. destruens is also a threat to a wider range of freshwater fish than originally suspected such as bream, common carp, and roach. This is a true generalist as an analysis of susceptible hosts shows that S. destruens is not limited to a phylogenetically narrow host spectrum. This disease agent is a threat to fish biodiversity as it can amplify within multiple hosts and cause high mortalities.

Item Type:Article
ISSN:1932-6203
Subjects:Science > Biology and Botany
Group:Faculty of Science and Technology
ID Code:20314
Deposited By:Dr Demetra Andreou
Deposited On:18 May 2012 15:08
Last Modified:10 Sep 2014 15:54

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