Microsporidian disease of the invasive amphipod Dikerogammarus villosus and the potential for its transfer to local invertebrate fauna

Bącela-Spychalska, Karolina; Wattier, Rémi A.; Genton, Céline; Rigaud, Thierry

doi:10.1007/s10530-012-0193-1

Cited by 45 publications

(60 citation statements)

References 53 publications

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“…The most likely cause for this apparent loss of parasites would be a population bottleneck, coupled with stressful transport conditions, during passage to Great Britain over the English Channel or North Sea. Although C. dikerogammari appears to be vertically transmitted (Ovcharenko et al 2010) and avirulent in the early stages of infection (Bacela-Spychalska et al 2012), it does reduce the survival of its host and shows density dependence, making it potentially susceptible to extinction during a host bottleneck. Dictyocoela species show high levels of vertical transmission and some strains or species appear to be avirulent (Ironside et al 2003;Terry et al 2004).…”

Section: Discussionmentioning

confidence: 99%

Enemy release and genetic founder effects in invasive killer shrimp populations of Great Britain

et al. 2014

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Arundell, K., Dunn, A., Alexander, J. L., Shearman, R., Archer, N., Ironside, J. (2015). Enemy release and genetic founder effects in invasive killer shrimp populations of Great Britain. Biological Invasions, 17 (5), 1439-1451. Document embargo until 04/11/2015The predatory ?killer shrimp? Dikerogammarus villosus invaded Britain from mainland Europe in 2010. Originating in the Ponto-Caspian region, this invader has caused significant degradation of European freshwater ecosystems by predating and competitively excluding native invertebrate species. In contrast to continental Europe, in which invasions occurred through the migration of large numbers of individuals along rivers and canals, the invasion of Great Britain must have involved long distance dispersal across the sea. This makes the loss of genetic diversity and of debilitating parasites more likely. Analysis of nuclear microsatellite loci and mitochondrial DNA sequences of D. villosus samples from the four known populations in Britain reveal loss of rare alleles, in comparison to reference populations from the west coast of continental Europe. Screening of the British D. villosus populations by PCR detected no microsporidian parasites, in contrast with continental populations of D. villosus and native amphipod populations, most of which are infected with microsporidia. These findings suggest that the initial colonisation of Great Britain and subsequent long distance dispersal within Britain were associated with genetic founder effects and enemy release due to loss of parasites. Such effects are also likely to occur during future long-distance dispersal events of D. villosus to Ireland or North America.authorsversionPeer reviewe

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Section: Discussionmentioning

confidence: 99%

Enemy release and genetic founder effects in invasive killer shrimp populations of Great Britain

et al. 2014

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“…In this, case it is possible that the initial invasive population consisted of a small number of infected individuals and that the current infection prevalence represents a parasitic founder-effect (Etxabe et al, 2015). Despite, the potentially lower invasive performance of D. haemobaphes in comparison with D. villosus, the transmission of parasites to native amphipods by the latter species, via cross-taxa transmission, may pose a significant ecological impact, as observed in other European regions (Bacela-Spychalska et al, 2012).…”

Section: Discussionmentioning

confidence: 98%

Enhanced fecundity and parasite release in the first amphipod invader on the Iberian Peninsula

Banha

Anastácio

Rachalewski

et al. 2018

Knowl. Manag. Aquat. Ecosyst.

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“…In the microsporidium Loma salmonae, temperatures below 9°C interrupt the sporogonial development and production of xenomas (Beaman et al 1999). In Cu cumispora dikerogammari, an increase in prevalence during summer in its host populations (Dikerogammarus villosus) in the Baltic Sea has been linked with increased host foraging rates, enhanced probability of encountering infected prey, and boosted parasite development due to elevated temperature (Bacela-Spychalska et al 2012). Increase of annual mean sea surface temperatures in the Levant basin may have had a critical effect on the emergence, development, and transmission of fish parasites along the Israeli coast.…”

Section: Biogeographical and Ecological Attributesmentioning

confidence: 99%

Biology of a new xenoma-forming gonadotropic microsporidium in the invasive blotchfin dragonet Callionymus filamentosus

Diamant

Rothman²,

Goren³

et al. 2014

Dis. Aquat. Org.

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A gonadotropic microsporidian parasite, Obruspora papernae gen. et sp. nov. (Microsporidia: Enterocytozoonidae), is described from Callionymus filamentosus (Teleostei: Callionymidae) in the Mediterranean Sea. The host, a Red Sea invasive species which entered the Mediterranean through the Suez Canal, was first collected in the Levant Basin in 1953, whereas its parasite went unobserved until 2008. Analysis of partial small subunit ribosomal gene sequences (SSU rDNA) placed the new species within the Nucleospora, Desmozoon, and Paranucleospora clade, and as it differs from each of them, it is assigned to a new genus. The development of the parasite is described, and the biological mechanisms underlying this parasite−host system are analyzed. Prevalence of infection approached 80% in female samples throughout most of the year. Males showed no signs of infection, but parasite rDNA was detected in male internal organs. The parasite-induced xenomas progressively occupied and eventually replaced much of the ovary, in some cases producing effective castration. Despite high levels of parasite infection, current trawl fishery statistics indicate that the abundance of Mediterranean populations of the host remains high. The parasite impact on the host population dynamics is unclear. Possible effects of the new microsporidian parasite on the reproductive effort of C. filamentosus and the potential role of another parasite, the ectoparasitic copepod Lernanthropus callionymicola, as an additional host in the life cycle of O. papernae, require further investigation.

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Microsporidian disease of the invasive amphipod Dikerogammarus villosus and the potential for its transfer to local invertebrate fauna

Cited by 45 publications

References 53 publications

Enemy release and genetic founder effects in invasive killer shrimp populations of Great Britain

Enemy release and genetic founder effects in invasive killer shrimp populations of Great Britain

Enhanced fecundity and parasite release in the first amphipod invader on the Iberian Peninsula

Biology of a new xenoma-forming gonadotropic microsporidium in the invasive blotchfin dragonet Callionymus filamentosus

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