Ocular infection of donkeys (Equus asinus) with Setaria equina

Marzok, Mohamed; Desouky, Abdelrazek Y.

doi:10.1007/s11250-008-9263-x

Cited by 20 publications

(16 citation statements)

References 9 publications

(9 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Among the Nematoda, the order Spirurida encompasses the family Onchocercidae, commonly known as filariae. They infect a broad range of terrestrial vertebrates, and many of them are responsible for medical and veterinary issues in mammals (Table ) . They are all transmitted by haematophagous arthropod vectors that are either pool‐feeders (telmophagous) (e.g.…”

Section: Introductionmentioning

confidence: 99%

The symbiotic role of Wolbachia in Onchocercidae and its impact on filariasis

Bouchery

Lefoulon

Karadjian

et al. 2013

Clinical Microbiology and Infection

View full text Add to dashboard Cite

Symbiotic associations between eukaryotes and microorganisms are frequently observed in nature, and range along the continuum between parasitism and mutualism. The genus Wolbachia contains well-known intracellular bacteria of arthropods that induce several reproductive phenotypes that benefit the transmission of the bacteria. Interestingly, Wolbachia bacteria have been found in the Onchocercidae, a family of filarial nematodes, including species that cause human filarial diseases, e.g. lymphatic filariasis and onchocerciasis. The endosymbiont is thought to be mutualistic in the Onchocercidae, and to provide essential metabolites to the filariae. Currently, Wolbachia bacteria are targets of antibiotic therapy with tetracyclines, which have profound effects on the development, viability and fertility of filarial parasites. This overview article presents the Onchocercidae and Wolbachia, and then discusses the origin and the nature of the symbiosis. It highlights the contribution of Wolbachia to the survival of the filariae and to the development of pathology. Finally, the infection control implications for filariases are debated. Potential directions for future research are also discussed.

show abstract

Section: Introductionmentioning

confidence: 99%

The symbiotic role of Wolbachia in Onchocercidae and its impact on filariasis

Bouchery

Lefoulon

Karadjian

et al. 2013

Clinical Microbiology and Infection

View full text Add to dashboard Cite

show abstract

“…caspius as vectors of Setaria parasites (Pietrobelli, Cancrini, Frangipane di Regalbono, Galuppi, & Tampieri, ) with parasite DNA molecularly identified in wild Aedes mosquitoes (Cancrini, Pietrobelli, Fangipane Di Regalbono, & Tampieri, ; Ionică et al, ; Kemenesi et al, ). Setaria equina is considered a widespread mosquito‐borne parasite commonly found infecting equidae (Hornok, Genchi, Bazzocchi, Fok, & Farkas, ; Marzok & Desouky, ). This parasite courses apparently benign infections, although S. equina infections were associated to ocular disease and adnexa (Marzok & Desouky, ; van der Kolk & Kroeze, ).…”

Section: Discussionmentioning

confidence: 99%

“…Setaria equina is considered a widespread mosquito‐borne parasite commonly found infecting equidae (Hornok, Genchi, Bazzocchi, Fok, & Farkas, ; Marzok & Desouky, ). This parasite courses apparently benign infections, although S. equina infections were associated to ocular disease and adnexa (Marzok & Desouky, ; van der Kolk & Kroeze, ). Furthermore, S. equina is considered a zoonotic parasite occasionally affecting humans (Nabie, Spotin, & Rouhani, ).…”

Section: Discussionmentioning

confidence: 99%

Filarial worm circulation by mosquitoes along an urbanization gradient in southern Spain

Puente

Ferraguti

Jiménez‐Peñuela

et al. 2019

Transbound Emerg Dis

View full text Add to dashboard Cite

Mosquitoes are the main vectors of pathogens affecting wild animals, livestock and humans. Here, we used molecular tools to assess the local circulation of filarial parasites in mosquitoes collected during 2013 from natural, rural and urban habitats from southern Spain. We screened parasites in 22,791 female mosquitoes of the genera Aedes, Culex and Culiseta. Filarial worms were only detected in two mosquito pools. An Ae. caspius pool was positive for Setaria equina and an unidentified worm related to Onchocerca was detected in a Cx. pipiens pool. None of the mosquito pools were positive for Dirofilaria. These results underlay the role of Ae. caspius in the transmission of Setaria parasites among livestock and/or wildlife to humans in southern Spain.

show abstract

“…At their normal site, S equina worms are considered to be nonpathogenic to the host, although serious complications can occur when immature forms migrate to aberrant locations, such as the pleural cavity, the bladder wall, the testicles, and the anterior chamber of the eye . Intraocular infection of horses and donkeys with S equina appears to be uncommon and has mainly been reported in India, Egypt, Pakistan, and Thailand . Here, we describe the nodular presentation of a subconjunctival infection with S equina in a filly resident in southwest France.…”

Section: Introductionmentioning

confidence: 91%

Subconjunctival nodule due to Setaria equina erratic migration in a horse: First case report

Régnier

Martin

Semin

et al. 2019

Veterinary Ophthalmology

View full text Add to dashboard Cite

An 18‐month‐old Arabian‐English filly resident in southwest France was referred for evaluation of a conjunctival mass in the right eye (OD). A pink, solid, and mobile nodular formation, measuring approximately 1.2 × 0.8 cm was found under the superior nasal bulbar conjunctiva during an ophthalmic examination that was otherwise normal. The mass was surgically removed using a standing procedure. Cytological examination of fine‐needle aspirates from the mass revealed a mixed eosinophilic‐lymphocytic inflammation. Histological examination confirmed the dense and diffuse eosinophilic‐lymphocytic infiltrate of the mass, and it revealed several cross sections of a parasitic nematode. The morphometric diagnosis identified an immature form of a filarial worm, and molecular analysis of the mitochondrial cytochrome c oxydase subunit 1 (cox1) and 12S rRNA gene sequences led to further identification of the specimen as Setaria equina. Microfilaremia was not observed on fresh blood smears. There have been no signs of local recurrence after 18 months, nor any evidence of intraocular involvement. To the authors’ knowledge, this is the first documented case of subconjunctival setariasis due to S equina in a horse.

show abstract

Ocular infection of donkeys (Equus asinus) with Setaria equina

Cited by 20 publications

References 9 publications

The symbiotic role of Wolbachia in Onchocercidae and its impact on filariasis

The symbiotic role of Wolbachia in Onchocercidae and its impact on filariasis

Filarial worm circulation by mosquitoes along an urbanization gradient in southern Spain

Subconjunctival nodule due to Setaria equina erratic migration in a horse: First case report

Contact Info

Product

Resources

About