Occurrence of Ancylostoma caninum from a gray fox Urocyon cinereoargenteus in southeastern Mexico

The hookworm is a common nematode of wild and domestic canids worldwide. In Mexico, there are few records of helminths in wild canids, especially in the southeastern region. The aim of the present study was to examine the helminths from a gray fox in southeastern Mexico. A road-killed female gray fo...

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Bibliographic Details
Published in:Helminthologia 2022-09, Vol.59 (2), p.204-209
Main Authors: Panti-May, J. A., Hernández-Mena, D. I., Ruiz-Piña, H. A., Vidal-Martínez, V. M.
Format: Article
Language:English
Subjects:
28S
Ancylostoma caninum
Dogs
Domestic animals
Foxes
Genetic distance
Intestine
Intestines
Mexico
morphology
Nematodes
Nucleotide sequence
Nucleotides
Research Note
rRNA 28S
Rural areas
Rural communities
Sequencing
Teeth
Urocyon cinereoargenteus
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Summary:The hookworm is a common nematode of wild and domestic canids worldwide. In Mexico, there are few records of helminths in wild canids, especially in the southeastern region. The aim of the present study was to examine the helminths from a gray fox in southeastern Mexico. A road-killed female gray fox found in Merida, Yucatan, Mexico, was examined for helminths. Only nematodes were found in the intestine of the gray fox and identified using morphological studies and molecular analysis of 28S rRNA gene fragments. The characteristics exhibited by the nematode specimens were in accordance with descriptions of : e. g. oral opening with a pair of prominent chitinous plates bearing three pairs of ventral teeth, lateral rays with a common trunk, dorsal ray divided into two branches with each branch terminating in three digitations. BLAST analysis of the 28S sequence showed similarity and coverage values of 99.8 % and 100 %, respectively, with a sequence of from the domestic dog in Australia. The genetic distance between the Australian specimen and the Yucatan specimen of was 0.1 %, that is, they were only different in a single nucleotide. The gray fox examined in this study was found close to a rural community where has been recorded from domestic dogs, which could be the source of infection. Our study increases the distribution of this nematode parasitizing the gray fox in Mexico and provides the first nucleotide sequence of from the gray fox.
ISSN:1336-9083
0440-6605
1336-9083
DOI:10.2478/helm-2022-0016