Presence of Trichobilharzia szidati in Lymnaea stagnalis and T. franki in Radix auricularia in northeastern France: molecular evidence

Ferté, Hubert; Depaquit, Jérôme; Carré, Sophie; Villena, Isabelle; Léger, N.

doi:10.1007/s00436-004-1273-7

Cited by 43 publications

(35 citation statements)

References 20 publications

(21 reference statements)

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“…Most of the effort has been conducted using three gene regions. To date, the nuclear ribosomal DNA D1-D2 regions of 28S, the internal transcribed spacer (ITS) region, and the mitochondrial cox1 gene have been tested as molecular markers for systematics (40,63,67,69,70,105,123,248,249,251), epidemiology (252), and diagnostics (121,253). Sequencing of gene regions such as the nuclear ITS region and the mitochondrial cox1 gene not only has linked life cycle stages but also has suggested that our recognition of the diversity of avian schistosomes continues to grow (10, 12, 40, 65-67, 69, 70, 105, 129, 133, 135).…”

Section: Detection and Identification Of Avian Schistosomesmentioning

confidence: 99%

Avian Schistosomes and Outbreaks of Cercarial Dermatitis

et al. 2015

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SUMMARY Cercarial dermatitis (swimmer's itch) is a condition caused by infective larvae (cercariae) of a species-rich group of mammalian and avian schistosomes. Over the last decade, it has been reported in areas that previously had few or no cases of dermatitis and is thus considered an emerging disease. It is obvious that avian schistosomes are responsible for the majority of reported dermatitis outbreaks around the world, and thus they are the primary focus of this review. Although they infect humans, they do not mature and usually die in the skin. Experimental infections of avian schistosomes in mice show that in previously exposed hosts, there is a strong skin immune reaction that kills the schistosome. However, penetration of larvae into naive mice can result in temporary migration from the skin. This is of particular interest because the worms are able to migrate to different organs, for example, the lungs in the case of visceral schistosomes and the central nervous system in the case of nasal schistosomes. The risk of such migration and accompanying disorders needs to be clarified for humans and animals of interest (e.g., dogs). Herein we compiled the most comprehensive review of the diversity, immunology, and epidemiology of avian schistosomes causing cercarial dermatitis.

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Section: Detection and Identification Of Avian Schistosomesmentioning

confidence: 99%

Avian Schistosomes and Outbreaks of Cercarial Dermatitis

et al. 2015

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“…This number of reference sequences would be sufficient for distinct species specific clades to emerge during phylogenetic analysis and definitively identify sequences generated in this current study. Each of these reference sequences was considered as putative throughout the analysis and were chosen because they were generated for studies focused primarily on the molecular identification and the evolutionary relationships of Radix species particularly from the following works: Albrecht et al, 2009;Bargues et al, 2001;Bolotov et al, Christiansen et al, 2014;Cipriani et al, 2011;Correa et al, 2011;Dung et al, 2013;Ferreira et al, 2014;Ferté et al, 2005;Huňova et al, 2012;Jouet et al, 2008Jouet et al, , 2010Kaset et al, 2009;Liu et al, 2010;Patel et al, 2015;Pfenninger et al, 2011;Novobilsky et al, 2014;Schniebs et al, 2011Schniebs et al, , 2013Vinarski et al, 2015;von Oheimb et al, 2011; Therefore the sequences used for inter-species comparisons were considered to be representative of taxa alone and were not used to make biogeographical inferences.…”

Section: Collectionmentioning

confidence: 99%

Unravelling the riddle of Radix: DNA barcoding for species identification of freshwater snail intermediate hosts of zoonotic digeneans and estimating their inter-population evolutionary relationships

Lawton

Lim

Dukes

et al. 2015

Infection, Genetics and Evolution

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Please cite this article as: Lawton, S.P., Lim, R.M., Dukes, J.P., Kett, S.M., Cook, R.T., Walker, A.J., Kirk, R.S., Unravelling the riddle of Radix: DNA barcoding for species identification of freshwater snail intermediate hosts of zoonotic digeneans and estimating their inter-population evolutionary relationships, Infection, Genetics and Evolution (2015), doi: http://dx.doi.org/10. 1016/j.meegid.2015.07.021 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. and ITS2 sequences, identified populations of Radix auricularia and R. balthica from specimens originally morphologically identified as R. peregra from the UK. Assessment of cox1 and ITS2 as species identification markers showed that, although both markers differentiated species, cox1 possessed greater molecular diversity and higher phylogenetic resolution. Cox1 also proved useful for gaining insights into the evolutionary relationships of Radix species populations. Phylogenetic analysis and haplotype networks of cox1 indicated that Radix auricularia appeared to have invaded the UK several times; some haplotypes forming a distinct UK specific clade, whilst others are more akin to those found on mainlandEurope. This was in contrast to relationships between R. balthica populations, which had low molecular diversity and no distinct UK specific haplotypes, suggesting recent and multiple invasions from mainland Europe. Molecular techniques therefore appear to be crucial for distinguishing Radix spp., particularly using cox1. This barcoding marker also enables the population biology of Radix spp. to be explored, and is invaluable for monitoring the epidemiology of fluke diseases especially in the light of emerging diseases and food security.

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“…Therefore, knowing that exclusively R. balthica occurs in Iceland, some schistosomes already reported to infect Palaearctic birds are regarded not to be able to complete their life cycle in the country. Thus, T. szidati that develops in Lymnaea stagnalis (Neuhaus 1952;Ferté et al 2005;Semyenova et al 2005) should not be able to develop Fig. 2 Average egg sizes and ±SD (bars) of seven morphologically distinct egg types (Fig.…”

Section: European Radix Species and Their Ocellate Furcocercariae Infmentioning

confidence: 99%

Diversity of bird schistosomes in anseriform birds in Iceland based on egg measurements and egg morphology

Skírnisson

Kolářová

2008

Parasitol Res

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Radix balthica is the only freshwater mollusc in Iceland that has been found to be the intermediate host of ocellate furcocercariae. Infections are common. On average, 4.8% out of almost 7,000 snails examined during 2003-2006 were found to shed cercariae in late summer and autumn. Search for adult bird schistosome worms, eggs and miracidia in the intestines and in the nasal cavity of 110 water birds of the orders Gaviiformes (one species), Podicipediformes (one species) and Anseriformes (nine species) revealed 39 (35.5%) infected hosts. Exclusively, anseriform birds were infected. Based on morphological features and measurements of eggs, seven distinct bird schistosome species were detected in four of the bird species. Allobilharzia visceralis was found in 26.7% of the whooper swans Cygnus cygnus. In Anas platyrhynchos, the nasal Trichobilharzia sp. I (prevalence 73.3%) and the visceral Trichobilharzia sp. III (66.7%) were detected. In Mergus serrator, the distinct egg types of Trichobilharzia sp. IV and Trichobilharzia sp. V were found in 83.3% of examined birds. In Anser anser, also two different egg types were found: large eggs, referred to as Trichobilharzia sp. II (prevalence 54.2%), and the small eggs of Dendritobilharzia sp. (8.3%). Egg size and shape comparisons indicate that Trichobilharzia sp. III and T. franki might be the same species.

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Presence of Trichobilharzia szidati in Lymnaea stagnalis and T. franki in Radix auricularia in northeastern France: molecular evidence

Cited by 43 publications

References 20 publications

Avian Schistosomes and Outbreaks of Cercarial Dermatitis

Avian Schistosomes and Outbreaks of Cercarial Dermatitis

Unravelling the riddle of Radix: DNA barcoding for species identification of freshwater snail intermediate hosts of zoonotic digeneans and estimating their inter-population evolutionary relationships

Diversity of bird schistosomes in anseriform birds in Iceland based on egg measurements and egg morphology

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