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Identification of a rosette-like agent as Sphaerothecum destruens, a multi-host fish pathogen |
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| Authors: | Rodolphe E. Gozlan Christopher M. Whipps Kristen D. Arkush |
| Affiliation: | a School of Conservation Sciences, Bournemouth University, Talbot Campus, Fern Barrow, Poole, Dorset BH12 5BB, UK b State University of New York College of Environmental Science and Forestry, Environmental and Forest Biology, 246 Illick Hall, 1 Forestry Drive, Syracuse, NY 13210, USA c Centre for Ecology and Hydrology, Mansfield Road, Oxford, Oxfordshire OX1 3SR, UK d Cardiff School of Biosciences, Biomedical Building, Museum Avenue, Cardiff CF10 3US, UK e Bodega Marine Laboratory, University of California-Davis, P.O. Box 247, Bodega Bay, CA 94923, USA |
| Abstract: | A recent threat to European fish diversity was attributed to an infectious pathogen, a rosette-like intracellular parasite carried by invasive cyprinids. Here we show that the emerging rosette-like agent is Sphaerothecum destruens, originally found to be responsible for disease outbreaks in salmon in the United States. Sequencing of the ribosomal internal transcribed spacer (ITS) DNA highlights some level of geographical isolation. Unlike the situation in the United States, its occurrence in invasive fishes presents a risk of spread from wild invasive populations to sympatric populations of susceptible native fish and as such represents a risk for fisheries, as movement of fish for stocking purposes is common practice. |
| Keywords: | Leucaspius delineatus Pseudorasbora parva Invasive species Protist Aquaculture Impact |
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