<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The phylogenetic relationships of the nematode species <italic>Thelandros scleratus</italic> (Oxyurida: Pharyn-godonidae) and <italic>Physalopteroides dactyluris</italic> (Spirurida: Physalopteridae) were analyzed using the ribosomal 18S rRNAand the mitochondrial cytochrome C oxidase subunit genes. The nematodes were recovered from Brook's house gecko, <italic>Hemidactylus brooki</italic> (Reptilia: Gekkonidae) from Hast-inapur, Meerut (U.P.), India. The results demonstrated that <italic>T. scleratus</italic> shows 100% similarity with another sequence available from the same species and a close relationship (98-99%) with species of <italic>Parapharyngodon</italic> in both 18S rRNAand cox 1 regions. Regarding the nematode <italic>Physalopteroides</italic>. analysis showed a close phylogenetic relationship between <italic>P. dactyluris</italic> and several species of <italic>Phy-saloptera</italic>. This is the first sequence of 18S available for any species of the genus <italic>Physalopteroides</italic></p></abstract>

The phylogenetic relationships of the nematode species Thelandros scleratus (Oxyurida: Pharyn-godonidae) and Physalopteroides dactyluris (Spirurida: Physalopteridae) were analyzed using the ribosomal 18S rRNAand the mitochondrial cytochrome C oxidase subunit genes. The nematodes were recovered from Brook's house gecko, Hemidactylus brooki (Reptilia: Gekkonidae) from Hast-inapur, Meerut (U.P.), India. The results demonstrated that T. scleratus shows 100% similarity with another sequence available from the same species and a close relationship (98-99%) with species of Parapharyngodon in both 18S rRNAand cox 1 regions. Regarding the nematode Physalopteroides. analysis showed a close phylogenetic relationship between P. dactyluris and several species of Phy-saloptera. This is the first sequence of 18S available for any species of the genus Physalopteroides

Molecular and ultrastructure characterization of two nematodes <italic>(Thelandros scleratus
and Physalopteroides dactyluris)</italic> based on ribosomal and mitochondrial DNA sequences

Molecular Taxonomy Laboratory, Department of Zoology, University Road, Chaudhary Charan Singh University, Meerut (U.P.), 250004, India

Helminthologia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Molecular and ultrastructure characterization of two nematodes  based on ribosomal and mitochondrial DNA sequences

The phylogenetic relationships of the nematode species Thelandros scleratus (Oxyurida: Pharyn-godonidae) and Physalopteroides dactyluris (Spirurida:...

Molecular and ultrastructure characterization of two nematodes (Thelandros scleratus and Physalopteroides dactyluris) based on ribosomal and mitochondrial DNA sequences

Article Category: Research Note

Published Online: Apr 22, 2016

Page range: 165 - 171

Received: Feb 24, 2015

Accepted: Oct 14, 2015

DOI: https://doi.org/10.1515/helmin-2016-0013

© 2016 Institute of Parasitology, SAS, Košice

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.