<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>
<italic>Aspiculuris tetraptera</italic> is a heteroxynematid nematoda infecting most of the laboratory animals, occasionally mice which represent the mostly used animal for biological, medical, and pharmacological studies. The present study aimed to investigate the prevalence of nematode parasites infection in the laboratory mice <italic>Mus musculus</italic> in Egypt. Morphologically, this oxyurid possessed four distinct cephalic papillae on a cephalic plate, with three small rudimental lips carrying two sessile poorly developed labial papillae and one pair of amphidial pores. Esophagus divided into cylindrical corpus and globular bulb. Distinct cervical alae interrupted at the level of esophago–intestinal junction forming an acute angle. At the caudal end, twelve caudal papillae in male worms while an ovijector apparatus opening and a vulva surrounded by protruded lips in females were observed. The general morphological criteria include this nematode with other <italic>Aspiculuris</italic> species which were compared in the present study. Molecular characterization based on 18SSU rDNA sequencing performed to confirm the taxonomic position of this species and to documents the morphological data. Sequence alignment detects a percent of identity up to 88.0% with other Heteroxynematidae species. Phylogenetic analysis showed that the present recorded is a putative sister taxon to <italic>A. tetraptera</italic> recorded in a previous study. The SSU rDNA sequence has been deposited in the GenBank under the accession no. MG019400.</p>
</abstract>

Aspiculuris tetraptera is a heteroxynematid nematoda infecting most of the laboratory animals, occasionally mice which represent the mostly used animal for biological, medical, and pharmacological studies. The present study aimed to investigate the prevalence of nematode parasites infection in the laboratory mice Mus musculus in Egypt. Morphologically, this oxyurid possessed four distinct cephalic papillae on a cephalic plate, with three small rudimental lips carrying two sessile poorly developed labial papillae and one pair of amphidial pores. Esophagus divided into cylindrical corpus and globular bulb. Distinct cervical alae interrupted at the level of esophago–intestinal junction forming an acute angle. At the caudal end, twelve caudal papillae in male worms while an ovijector apparatus opening and a vulva surrounded by protruded lips in females were observed. The general morphological criteria include this nematode with other Aspiculuris species which were compared in the present study. Molecular characterization based on 18SSU rDNA sequencing performed to confirm the taxonomic position of this species and to documents the morphological data. Sequence alignment detects a percent of identity up to 88.0% with other Heteroxynematidae species. Phylogenetic analysis showed that the present recorded is a putative sister taxon to A. tetraptera recorded in a previous study. The SSU rDNA sequence has been deposited in the GenBank under the accession no. MG019400.

Morphological Re-Description and 18 S rDNA Sequence Confirmation of the Pinworm <italic>Aspiculuris tetraptera</italic> (Nematoda, Heteroxynematidae) Infecting the Laboratory Mice <italic>Mus musculus</italic>


Journal of Nematology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Morphological Re-Description and 18 S rDNA Sequence Confirmation of the Pinworm  (Nematoda, Heteroxynematidae) Infecting the Laboratory Mice 


right-running

Morphological re-description and 18 S rDNA sequence confirmation:

Aspiculuris tetraptera is a heteroxynematid nematoda infecting most of the laboratory animals, occasionally mice which represent the mostly used animal for...

Morphological Re-Description and 18 S rDNA Sequence Confirmation of the Pinworm Aspiculuris tetraptera (Nematoda, Heteroxynematidae) Infecting the Laboratory Mice Mus musculus

Article Category: research-article

Publié en ligne: 03 juin 2018

Pages: 117 - 132

DOI: https://doi.org/10.21307/jofnem-2018-026

Mots clés
Laboratory mice, Pinworms, Aspiculuris species, Morphological description, Molecular study

© 2018 Rewaida Abdel-Gaber et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Morphological Re-Description and 18 S rDNA Sequence Confirmation of the Pinworm Aspiculuris tetraptera (Nematoda, Heteroxynematidae) Infecting the Laboratory Mice Mus musculus

Article Category: research-article

Publié en ligne: 03 juin 2018

Pages: 117 - 132

DOI: https://doi.org/10.21307/jofnem-2018-026

Mots clésLaboratory mice, Pinworms, Aspiculuris species, Morphological description, Molecular study

© 2018 Rewaida Abdel-Gaber et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mots clés
Laboratory mice, Pinworms, Aspiculuris species, Morphological description, Molecular study