| The phylogeography of salmonid proliferative kidney disease in Europe and North America. | |
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MedLine Citation:
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PMID: 15306294 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Salmonid proliferative kidney disease (PKD) is caused by the myxozoan Tetracapsuloides bryosalmonae. Given the serious and apparently growing impact of PKD on farmed and wild salmonids, we undertook a phylogeographic study to gain insights into the history of genealogical lineages of T. bryosalmonae in Europe and North America, and to determine if the global expansion of rainbow trout farming has spread the disease. Phylogenetic analyses of internal transcribed spacer 1 sequences revealed a clade composed of all North American sequences plus a subset of Italian and French sequences. High genetic diversity in North America and the absence of genotypes diagnostic of the North American clade in the rest of Europe imply that southern Europe was colonized by immigration from North America; however, sequence divergence suggests that this colonization substantially pre-dated fisheries activities. Furthermore, the lack of southern European lineages in the rest of Europe, despite widespread rainbow trout farming, indicates that T. bryosalmonae is not transported through fisheries activities. This result strikingly contrasts with the commonness of fisheries-related introductions of other pathogens and parasites and indicates that fishes may be dead-end hosts. Our results also demonstrate that European strains of T. bryosalmonae infect and induce PKD in rainbow trout introduced to Europe. |
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Authors:
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Matthew Henderson; Beth Okamura |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Proceedings. Biological sciences / The Royal Society Volume: 271 ISSN: 0962-8452 ISO Abbreviation: Proc. Biol. Sci. Publication Date: 2004 Aug |
Date Detail:
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Created Date: 2004-08-12 Completed Date: 2004-09-30 Revised Date: 2009-11-19 |
Medline Journal Info:
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Nlm Unique ID: 101245157 Medline TA: Proc Biol Sci Country: England |
Other Details:
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Languages: eng Pagination: 1729-36 Citation Subset: IM |
Affiliation:
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School of Animal and Microbial Sciences, University of Reading, Whiteknights, PO Box 228, Reading RG6 6AJ, UK. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Base Sequence DNA Primers DNA, Intergenic / genetics Eukaryota / genetics* Europe / epidemiology Fish Diseases / epidemiology* Genetic Variation Geography Kidney Diseases / epidemiology, veterinary* Likelihood Functions Models, Genetic Molecular Sequence Data North America / epidemiology Phylogeny* Protozoan Infections, Animal / epidemiology* Salmonidae Sequence Analysis, DNA |
| Chemical | |
Reg. No./Substance:
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0/DNA Primers; 0/DNA, Intergenic |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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