First reports of autochthonous eyeworm infection by Thelazia callipaeda (Spirurida, Thelaziidae) in dogs and cat from France

Thelazia callipaeda (Spirurida, Thelaziidae) is a small nematode living in the conjunctival sac of domestic and wild carnivores, rabbits and humans causing lacrimation, epiphora, conjunctivitis, keratitis and even corneal ulcers. The first autochthonous cases of thelaziosis affecting four dogs and o...

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Bibliographic Details
Published in:Veterinary parasitology 2007-11, Vol.149 (3), p.294-297
Main Authors: Dorchies, Ph, Chaudieu, G., Siméon, L.A., Cazalot, G., Cantacessi, C., Otranto, D.
Format: Article
Language:English
Subjects:
animal morphology
Animals
Cat
Cat Diseases - epidemiology
Cat Diseases - parasitology
Cats
cox1 gene
cytochrome-c oxidase
Dog
Dog Diseases - epidemiology
Dog Diseases - parasitology
Dogs
Europe
Eye Diseases - epidemiology
Eye Diseases - parasitology
Eye Diseases - veterinary
Female
France
France - epidemiology
genes
haplotypes
Life Sciences
Male
mitochondrial DNA
Nematode
nematode infections
nematode larvae
parasite identification
Phortica variegata
sequence analysis
Spirurida Infections - epidemiology
Spirurida Infections - veterinary
Thelazia
Thelazia callipaeda
Thelazioidea - isolation & purification
thelaziosis
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Description
Summary:Thelazia callipaeda (Spirurida, Thelaziidae) is a small nematode living in the conjunctival sac of domestic and wild carnivores, rabbits and humans causing lacrimation, epiphora, conjunctivitis, keratitis and even corneal ulcers. The first autochthonous cases of thelaziosis affecting four dogs and one cat living in South Western France (Dordogne area) are reported and described. Nematodes recovered from the animals were morphologically identified as T. callipaeda and a partial region of the cytochrome oxidase c subunit 1 gene ( cox1) was amplified by PCR from nematode specimens (from two dogs and the cat). In each case, this was shown to have an identical sequence to the haplotype 1 (h1) of T. callipaeda. So far, the arthropod acting as intermediate host of T. callipaeda eyeworms has not been identified in France although it might be Phortica variegata (Steganinae, Drosophilidae) as recently described in Italy.
ISSN:0304-4017
1873-2550
DOI:10.1016/j.vetpar.2007.08.005