Trichuris sp. individuals were collected from Myocastor coypus from fancy breeder farms in the Czech Republic. Using morphological and biometrical methods, 30 female and 30 male nematodes were identified as Trichuris myocastoris. This paper presents the first molecular description of this species. The ribosomal DNA (rDNA) region, consisting of internal transcribed spacer (ITS)-1, 5.8 gene and ITS-2, was sequenced. Based on an analysis of 651 bp, T. myocastoris was found to be different from any other Trichuris species for which published sequencing of the ITS region is available. The phylogenetic relationships were estimated using the maximum parsimony methods and Bayesian analyses. T. myocastoris was found to be significantly closely related to Trichuris of rodents than those of ruminants.
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http://dx.doi.org/10.1007/s00436-015-4623-8 | DOI Listing |
Acta Trop
February 2019
Department of Microbiology and Parasitology, Faculty of Pharmacy, University of Sevilla, Prof. García González 2, Sevilla, 41012, Spain.
A new species of Trichuris (Nematoda: Trichuridae) is described from the capybara, Hydrochoeris hydrochaeris (Rodentia: Caviidae), from two localities of Corrientes Province, based on morphological characteristics and ITS1 and ITS2 of nuclear rDNA region sequences. This species present morphological differences with 28 species of the genus described from North and South American rodents. Also, the new species is molecularly characterized and differentiated from those species from Muridae, Cricetidae and Myocastoridae rodents recorded from North and South America, Europe and Africa.
View Article and Find Full Text PDFParasitol Res
November 2015
Department of Zoology and Fisheries, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences in Prague, Kamycka 129, 165 21, Prague, 6-Suchdol, Czech Republic.
Trichuris sp. individuals were collected from Myocastor coypus from fancy breeder farms in the Czech Republic. Using morphological and biometrical methods, 30 female and 30 male nematodes were identified as Trichuris myocastoris.
View Article and Find Full Text PDFMem Inst Oswaldo Cruz
March 1994
Departamento de Helmintologia, Instituto Oswaldo Cruz, Rio de Janeiro, Brasil.
A new species of a trichurid nematode Trichuris travassosi n. sp., recovered from a wild rodent in the State of Rio Grande do Sul, Brazil, is described and compared to T.
View Article and Find Full Text PDFThe association of neurons and hypodermal cells in longitudinal nerve chords and in interchordal positions (perhaps dorso-ventral commissures) in the body wall of Trichuris myocastoris Enigk has been examined with the electron microscope. Nerve chords are composed of several groups of neurons separated by processes of hypodermal cells; such groups may be functionally separate. Nerve cell bodies occur within the chords, and appear to be at least bipolar.
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