Genetic and morphological characterization of Trichuris myocastoris found in Myocastor coypus in the Czech Republic

Rylková, Kateřina; Tůmová, E.; Brožová, A.; Jankovská, Ivana; Vadlejch, Jaroslav; Čadková, Zuzana; Frýdlová, J.; Peřinková, P.; Langrová, Iva; Chodová, Darina; Nechybová, S.; Scháňková, Š.

doi:10.1007/s00436-015-4623-8

Cited by 6 publications

(2 citation statements)

References 18 publications

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“…The use of internal transcribed spacer (ITS) have been proven useful as a tool to resolve relationships of helminths such as Trichuris at the species level, including whipworms studies from Murinae (e.g. : [5,11] and more generally in Rodentia collected elsewhere [33]). The present study aimed to shed light on the taxonomy of whipworms from rodents in SEA and to test whether specimens can be confirmed as "T. muris" as widely assumed.…”

Section: Introductionmentioning

confidence: 99%

Whipworms of south-east Asian rodents are distinct from Trichuris muris

Ribas

Wells

Morand

et al. 2020

Parasitology International

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The whipworm Trichuris muris is known to be associated with various rodent species in the northern hemisphere, but the species identity of whipworm infecting rodents in the Oriental region remains largely unknown. We collected Trichuris of Muridae rodents in mainland and insular Southeast Asia between 2008 and 2015 and used molecular and morphological approaches to identify the systematic position of new specimens. We discovered two new species that were clearly distinct from T. muris, both in terms of molecular phylogenetic clustering and morphological features, with one species found in Thailand and another one in Borneo. We named the new species from Thailand as Trichuris cossoni and the species from Borneo as Trichuris arrizabalagai. Molecular phylogeny using internal transcribed spacer region (ITS1-5.8S-ITS2) showed a divergence between T. arrizabalagai n. sp., T. cossoni n. sp. and T. muris. Our findings of phylogeographically distinct Trichuris species despite some globally distributed host species requires further research into the distribution of different species, previously assumed to belong to T. muris, which has particular relevance for using these species as laboratory model organisms.

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Section: Introductionmentioning

confidence: 99%

Whipworms of south-east Asian rodents are distinct from Trichuris muris

Ribas

Wells

Morand

et al. 2020

Parasitology International

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“…The back end of the male is highly coiled and it has a single spicule in a protractile sheath (Taylor et al, 2016). Trichuris myocastoris was described by Enigk (1933), later Baruš et al 1975 redescribed the species (Rylková et al, 2015). This species has mainly been mentioned in M. coypus in different localities in South America (Fugassa, 2020), and it has been mentioned twice parasitizing M. coypus in in Argentina, in the province of Buenos Aires and Chaco, by Martino et al (2012) and Boero & Boehringer (1967).…”

Section: Resultsmentioning

confidence: 99%

Contribución al conocimiento de nemátodos parásitos en mamíferos de la provincia de San Juan, Argentina

González-Rivas,

Castillo,

Simnocelli

2023

Neotrop Helminthol

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Analizamos la fauna endoparasitaria de cuatro especies de mamíferos; Puma concolor (Linnaeus, 1771) (puma), Lycalopex gymnocercus (Fischer, 1814) (zorro gris), Myocastor coypus (Molina, 1782) (coipus) y Tolypeutes matacus (Linnaeus, 1758) (armadillo de tres bandas) del Centro de Rehabilitación de Vida Silvestre, Educación Ambiental y Recreación Responsable en la provincia de San Juan, Argentina. De las cuatro especies de mamíferos que ingresaron al Centro de Rehabilitación, tres fallecieron en el lugar, posteriormente se procedió a realizar la necropsia. El análisis post mortem de L. gymnocercus, M. coypus y T. matacus evidencio la presencia de tres especies de nemátodos parásitos; Physaloptera clausa Rudolphi, 1819 (Physalopteridae) en L. gymnocercus, Trichuris myocastoris Enigk, 1933 (Trichuridae) en M. coypus, y hembras adultas de Aspidodera sp. Railliet & Henry, 1912 en T. matacus. Con respecto al P. concolor, expulsó los nemátodos por vía oral, determinándose la presencia de larvas de Toxascaris sp. Linstow, 190 (Toxocaridae). Se presentan datos métricos y morfológicos de los nemátodos. Nuestro trabajo menciona cuatro nuevas interacciones parásitos- hospedadores para Argentina y los primeros registros para la provincia de San Juan, contribuyendo de esta forma al conocimiento parasitario en mamíferos.

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