Cucumispora dikerogammari n. gen. (Fungi: Microsporidia) infecting the invasive amphipod Dikerogammarus villosus: a potential emerging disease in European rivers.

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dc.contributor.author Ovcharenko, M. O.
dc.contributor.author Bacela, K.
dc.contributor.author Wilkinson, T.
dc.contributor.author Ironside, Joseph E.
dc.contributor.author Rigaud, T.
dc.contributor.author Wattier, R. A.
dc.date.accessioned 2011-06-06T08:59:21Z
dc.date.available 2011-06-06T08:59:21Z
dc.date.issued 2010-02-01
dc.identifier.citation Ovcharenko , M O , Bacela , K , Wilkinson , T , Ironside , J E , Rigaud , T & Wattier , R A 2010 , ' Cucumispora dikerogammari n. gen. (Fungi: Microsporidia) infecting the invasive amphipod Dikerogammarus villosus: a potential emerging disease in European rivers. ' Parasitology , vol 137 , no. 2 , pp. 191-204 . , 10.1017/S0031182009991119 en
dc.identifier.issn 0031-1820
dc.identifier.other PURE: 164906
dc.identifier.other dspace: 2160/6917
dc.identifier.uri http://hdl.handle.net/2160/6917
dc.description Ovcharenko, M. O., Bacela, K., Wilkinson, T., Ironside, J. E., Rigaud, T., Wattier, R. A. (2010). Cucumispora dikerogammari n. gen. (Fungi: Microsporldia) infecting the invasive amphipod Dikerogammarus villosus: a potential emerging disease in European rivers.   Parasitology, 137, (2), 191-204. IMPF: 02.52 Sponsorship: Russian Academy of Science en
dc.description.abstract Dikerogammarus villosus is an invasive amphipod that recently colonized the main rivers of Central and Western Europe. Two frequent microsporidian parasites were previously detected in this species, but their taxonomic status was unclear. Here we present ultrastructural and molecular data indicating that these two parasites are in fact a single microsporidian species. This parasite shares numerous characteristics of Nosema spp. It forms elongate spores (cucumiform), developing in direct contact with host cell cytoplasm; all developmental stages are diplokaryotic and the life cycle is monomorphic with disporoblastic sporogony. Initially this parasite was described as Nosema dikerogammariOvcharenko and Kurandina 1987. However, phylogenetic analysis based on the complete sequence of SSU rDNA places the parasite outside the genus Nosema and it is therefore ascribed to a new genus Cucumispora. The key features characteristic to this genus are: presence of a very well-developed, umbrella-shape anchoring disk covering the anterior part of polaroplast; arrangement of isofilar polar filament into 6–8 coils convoluted with different angles, voluminous diplokaryon, thin spore wall and relatively small posterior vacuole containing posterosome. The parasite infects most host tissues but mainly muscles. It showed high rates of horizontal trophic transmission and lower rates of vertical transmission. en
dc.format.extent 14 en
dc.language.iso eng
dc.relation.ispartof Parasitology en
dc.subject Amphipoda en
dc.subject Microsporidia en
dc.subject biological invasion en
dc.subject Nosema dikerogammari en
dc.subject Cucumispora gen. sp en
dc.subject Dikerogammarus villosus en
dc.subject SSU rDNA en
dc.subject phylogeny en
dc.title Cucumispora dikerogammari n. gen. (Fungi: Microsporidia) infecting the invasive amphipod Dikerogammarus villosus: a potential emerging disease in European rivers. en
dc.type Text en
dc.type.publicationtype Article (Journal) en
dc.identifier.doi http://dx.doi.org/10.1017/S0031182009991119
dc.contributor.institution Institute of Biological, Environmental and Rural Sciences en
dc.description.status Peer reviewed en


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