Bird schistosomes of wildfowl in the Czech Republic and Poland

Rudolfová, Jitka; Littlewood, D. Timothy J.; Sitko, Jiljí; Horák, Petr

doi:10.14411/fp.2007.011

Cited by 38 publications

(25 citation statements)

References 16 publications

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“…Cercarial dermatitis or swimmer's itch is an allergic response that often occurs in humans after repeated exposure to water infected with furcocercariae of animal schistosomes (Kolárová 2007;Rudolfová et al 2007). These cercariae belong to different species, and a variety of aquatic snails are susceptible to be infected with them (Brant and Loker 2009a, b).…”

Section: Introductionmentioning

confidence: 99%

Parasitological and molecular study of the furcocercariae from Melanoides tuberculata as a probable agent of cercarial dermatitis

et al. 2010

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Cercarial dermatitis is caused by animal schistosomes in many parts of the world including Iran. Various stages of the parasites have been studied in intermediate and definitive hosts in northern and southwestern Iran; however, no molecular investigation for species identification and classification of these agents has been carried out, so far. In the present study, more than 3,800 aquatic snails were collected from water sources of Khuzestan, southwest Iran. The snails were identified as Lymnaea gedrosiana, Radix auricularia, Melanoides tuberculata, Melanopsis sp. and Physa acuta. They were examined for schistosome cercariae. Two specimens of M. tuberculata were infected with ocellate furcocercariae belonging to the family Schistosomatidae. Molecular studies were carried on these schistosomatid samples. Both samples belong to an unknown schistosome species and genus in sister position to Gigantobilharzia-Dendritobilharzia clade. They differ from other species in their ITS sequence region as well as in their intermediate host specificity--This is one of the first reports on schistosome cercariae from M. tuberculata and the first including molecular data. Due to adaptability and invasiveness of this snail species, this new schistosome species, as a potential causative agent of cercarial dermatitis in humans, needs to be studied further.

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Section: Introductionmentioning

confidence: 99%

Parasitological and molecular study of the furcocercariae from Melanoides tuberculata as a probable agent of cercarial dermatitis

et al. 2010

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“…Occurrence in waterfowl has already been confirmed in the Czech Republic, Switzerland, Poland, France and Iceland, and eight anseriform bird species have been found to be infected: six duck species (A. platyrhynchos, Anas clypeata, Aythya ferina, Aythya fuligula, Aythya marila and Mergus merganser), mute swan (Cygnus olor) and Greylag goose (Anser anser) (Rudolfová et al 2002;2007;Jouet et al 2010;D. Jouet, unpublished).…”

Section: Introductionmentioning

confidence: 93%

Morphological features of the nasal blood fluke Trichobilharzia regenti (Schistosomatidae, Digenea) from naturally infected hosts

et al. 2011

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The first author detected the nasal bird schistosome Trichobilharzia regenti in Iceland in Anas platyrhynchos in Landmannalaugar in autumn of 2003. Since then, measurements and morphological studies have been performed on fresh worms (fragments) obtained in the area from naturally infected ducks, A. platyrhynchos and Aythya marila. In the present study, we compare our findings to the original description of T. regenti by Horák et al. (Parasite 5:349-357, 1998) that relies upon worms obtained by experimental infections of A. platyrhynchos f. domestica and Cairina moschata f. domestica ducklings. Fragments obtained from naturally infected birds are markedly larger than those obtained in the experimental infection. Also, indistinct sex-related size difference was confirmed; males were more abundant in the material than females. Previously unknown morphological features detected in the present study include, e.g. subterminal spines on the oral sucker directed to the oral opening, spine pattern on the apical part of acetabulum and long tegumental spines (up to 16 μm) in the gonad and tail regions of both sexes. In males, we evaluated for the first time the morphology of the cirrus sac enclosing ejaculatory duct, prostata and the entire prostatic region, the course of vas deferens and the position of genital papilla. In females, the posterior part of the reproductive system was studied for the first time. The presence of the Laurer's canal was confirmed and its course from the oviduct to the surface, where spermatozoa were noticed to leave the canal, was described.

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“…Phylogenetic analyses of isolate from swan revealed the sister relationship to other bird schistosomes (Trichobilharzia etc.). Rudolfová et al (2007) reported the schistosomes infection in wildfowl from Czech and Poland using ITS-1, 5.8S, ITS-2 and 28S rDNA sequencing. The four species of schistosomes were identifi ed, Bilharzia polonica, Trichobilharzia regent, T. szidati and undetermined schistosome.…”

Section: Schistosomatidae (Stiles and Hassall 1898)mentioning

confidence: 99%

A review on the molecular characterization of digenean parasites using molecular markers with special reference to ITS region

et al. 2015

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SummaryThe rDNA region of eukaryotes has the immense potential to resolve the evolutionary and phylogeny problems using molecular markers. As evident from the present review, ITS region data is considered for interpretation of inter and intra-specifi c variations of 136 studies of 33 families including 78 genus and 114 species affecting individuals worldwide. Along with ITS-1 and ITS-2 region in 29 studies 18S region, in 38 studies 28S region and in 43 studies mitochondrial genes (COI and NDI) were also analyzed. Three new genera (Allobilharzia gen. nov., Caulanus gen. nov., and Latuterus gen. nov.) and 49 new species were discovered. Only 47 studies expressed variations at intra-specifi c and inter-specifi c level in complete ITS region, ITS-1 and ITS-2 rDNA sequences due to differences in nucleotide positions. According to the fi ndings ITS region is more reliable and precise marker for demarcation and identifi cation of species in combination of other DNA markers. Major studies were involved around the parasites of families Fasciolidae, Schistosomatidae, Opisthorchidae, Paragonimidae and Paramphistomidae, Clinostomidae, Diplostomidae, Haploporidae, among others infecting humans, farm animals, birds, fi shes, reptiles and amphibians on the clinical basis. In future, molecular and bioinformatics aspects based on genetic variations will lead to explore the untouched areas of trematodes.

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Bird schistosomes of wildfowl in the Czech Republic and Poland

Cited by 38 publications

References 16 publications

Parasitological and molecular study of the furcocercariae from Melanoides tuberculata as a probable agent of cercarial dermatitis

Parasitological and molecular study of the furcocercariae from Melanoides tuberculata as a probable agent of cercarial dermatitis

Morphological features of the nasal blood fluke Trichobilharzia regenti (Schistosomatidae, Digenea) from naturally infected hosts

A review on the molecular characterization of digenean parasites using molecular markers with special reference to ITS region

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