Parasitism by Paratanaisia bragai (Digenea, Eucotylidae) in commom waxbill (Estrilda astrild)

Tavela, A.O.; Carretta, Moacir; Oliveira, Ayisa Rodrigues de; Carneiro, Filipe T.; Silva, V.H.D.; Braga, Fábio Ribeiro; Peixoto, Juliano Vogas; Carvalho, Gabriel Domingos; Araújo, Jackson Víctor de; Paula, Tarcízio Antônio Rêgo de

doi:10.1590/1678-7136

Cited by 8 publications

(14 citation statements)

References 7 publications

(12 reference statements)

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“…The absence of macroscopic renal alterations, also mentioned in previous reports (MENEZES et al, 2001;MAPELI et al, 2003;TAVELA et al, 2014), indicate that these are not common on Paratanaisia infections, even though alterations with variable degree of relevance were described in some host species (UNWIN et al, 2012;MOMO & WERTHER, 2013). Microscopically, all the observed alterations in the morphology of the collecting ducts, leading to compression of adjacent tissue, as observed by other authors (PINTO et al, 2004;GOMES et al, 2005;UNWIN et al, 2012;TAVELA et al, 2014), were probably caused by direct action of the parasites because their relatively large body size may result in physical compression.…”

supporting

confidence: 72%

“…Microscopically, all the observed alterations in the morphology of the collecting ducts, leading to compression of adjacent tissue, as observed by other authors (PINTO et al, 2004;GOMES et al, 2005;UNWIN et al, 2012;TAVELA et al, 2014), were probably caused by direct action of the parasites because their relatively large body size may result in physical compression.…”

supporting

confidence: 65%

“…This compression may even lead to alterations in non-parasitized ducts, such as decrease in lumen diameter or replacement by connective tissue, as reported for Paradisaea rubra (UNWIN et al, 2012) and Estrilda astrild (TAVELA et al, 2014) infected by P. bragai. Therefore, the parasitism could play an important role in inducing secondary renal lesions.…”

mentioning

confidence: 73%

“…Since the original description of these parasites, Paratanaisia have already been described affecting several bird species, including Columbiformes (TARODA et al, 2013;UNWIN et al, 2012;XAVIER et al, 2015), Galliformes (MENEZES et al, 2001;GOMES et al, 2005), Passeriformes (UNWIN et al, 2012;TAVELA et al, 2014), Psittaciformes (LUPPI et al, 2007), Tinamiformes (MAPELI et al, 2003;MOMO & WERTHER, 2013;MOMO et al, 2016), and Ciconiiformes (ABDO & SULTAN, 2013), suggesting low parasitic specificity.…”

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confidence: 99%

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Occurrence of Paratanaisia confusa Freitas, 1951 in free-living guira cuckoo (Guira guira, Cuculiformes: Crotophagidae)

Santi

André

Hoppe

et al. 2017

Rev. Bras. Parasitol. Vet.

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This report presents a description of natural infection of an adult free-living guira cuckoo with Paratanaisia confusa. Histological and morphological evaluations of renal and parasite samples were performed. The morphological analysis of the parasites revealed spiny tegument, characteristic of P. confusa helminthes. Although macroscopic alterations were absent in the kidneys, the histopathology revealed parasites inside the collecting ducts causing dilatation and destruction of the lining epithelial cells in addition to small focal inflammatory infiltrates in the renal parenchyma. However, as the bird was free-living and naturally infected it was not possible to confirm if all these alterations were directly caused by the parasite presence or if they were related to causes other than the parasitism. Nonetheless, such findings indicate that these trematodes may have pathogenic potential in this host.Keywords: Histopathology, Trematoda, Digenea, Eucotylidae, new host record. ResumoA infecção de um anu-branco, de vida livre, por Paratanaisia confusa é descrita. Avaliações histológicas e morfológicas de amostras renais e dos parasitas foram realizadas. A análise morfológica dos parasitas revelou a presença de tegumento espinhoso, que é característico de P. confusa. Embora alterações renais macroscópicas estivessem ausentes, a histopatologia revelou a presença de parasitas no interior de ductos coletores, provocando dilatação destes e destruição das células epiteliais, além de discretos infiltrados inflamatórios focais no parênquima renal. Entretanto, como a ave era proveniente de vida livre e naturalmente infectada, não foi possível confirmar se todas as alterações observadas foram diretamente provocadas pela presença dos parasitas, ou se estavam relacionadas a outras causas. Todavia, esses achados indicam que os trematódeos dessa espécie possam ter potencial patogênico no hospedeiro estudado.Palavras-chave: Histopatologia, Trematoda, Digenea, Eucotylidae, novo registro de hospedeiro.

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supporting

confidence: 72%

supporting

confidence: 65%

mentioning

confidence: 73%

mentioning

confidence: 99%

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Occurrence of Paratanaisia confusa Freitas, 1951 in free-living guira cuckoo (Guira guira, Cuculiformes: Crotophagidae)

Santi

André

Hoppe

et al. 2017

Rev. Bras. Parasitol. Vet.

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“…Parasitism due to Paratanaisia sp. has been reported in the following birds; pheasant, Phasianus colchicus (GOMES et al, 2005); partridge, Rhynchotus rufescens (MAPELI et al, 2003); turkey, Meleagris gallopavo (BRENER et al, 2006); cattle egret, Heron Bubulcus ibis (ABDO & SULTAN, 2013); common waxbill, Estrilda astrild (TAVELA et al, 2014); blue-winged macaw, Propyrrhura maracana; parakeet, Pyrrhura leucotis (LUPPI et al, 2007); guinea-fowl, Numida meleagris (MENEZES et al, 2001); spot-winged wood quail (uru), Odontophorus capueira; common toucan, Rhamphastos toco; tataupa tinamou, Crypturellus tataupa (TRAVASSOS et al, 1969); domestic hen, Gallus gallus domesticus (COSTA et al, 1975); red bird-of-paradise, Paradisaea rubra (UNWIN et al, 2013); and, especially, in Columbiformes: Columbina talpacoti, Columbia livia, Columba mayeri, Zenaida graysoni, Stigmatopelia senegalensis, Chalcophaps indica and Gallicolumba crinigera (BUNBURY et al, 2008;UNWIN et al, 2013). …”

Section: Introductionmentioning

confidence: 99%

First record of Paratanaisia bragai (Digenea: Eucotylidae) in blue and gold macaw (Ara ararauna)

Silva

Pavan

Guimarães-Okamoto

et al. 2016

Rev. Bras. Parasitol. Vet.

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The aim of this study was to provide the first report on a new host for the digenean Paratanaisia bragai in the caninde macaw Ara ararauna along with the pathological aspects of the infection in the new host. The microscopic findings revealed the presence of granulomatous interstitial nephritis. This study contributes towards knowledge of parasitism by P. bragai in A. ararauna, and emphasizes the need to use best practices in wildlife conservation parks.Keywords: Parasite, birds, histopathology, wildlife, macaw. ResumoO objetivo deste estudo foi relatar, pela primeira vez, a arara canindé Ara ararauna como um novo hospedeiro para o digenético Paratanaisia bragai, bem como relatar aspectos patológicos relacionados à infecção no novo hospedeiro. Os achados microscópicos revelaram nefrite intersticial granulomatosa. Este estudo contribui para o conhecimento do parasitismo por P. bragai em A. ararauna e ainda faz um alerta para a adoção de boas práticas de criação em criatórios conservacionistas da fauna silvestre.

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Renal trematode infection in wild birds: histopathological, morphological, and molecular aspects

et al. 2018

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Paratanaisia are eucotylidae digeneans that affect the upper urinary tract of birds. This genus contains three species (Paratanaisia bragai, P. robusta, and P. confusa) with similar morphological features. Macroscopic and microscopic damage caused by these parasites ranges from the irrelevant to significant lesions. This study aimed to describe the histological, morphological, and molecular features of the renal tissues and parasite specimens obtained from naturally infected free-ranging and captive wild birds in Brazil. Histopathological evaluations were performed on 103 slides containing kidney tissue sections from parasitized birds. Parasites were observed inside the collecting ducts, causing the dilation and destruction of the lining epithelial cells and alterations in other structures of the renal parenchyma. Such findings indicate that Paratanaisia have pathogenic potential in a wide range of hosts, suggesting low host specificity. The parasites recovered from the kidneys of 10 birds, including Columbiformes, Galliformes, Strigiformes, and Cuculiformes, were morphologically evaluated and identified as Paratanaisia sp. Formalin-fixed paraffin-embedded kidney fragments were subjected to conventional PCR assays targeting the 18S and 28S rDNA genes. A Bayesian inference analysis based on an 800-bp 18S rDNA gene fragment separated the trematode genus accurately, clustering all of the parasites tested with a previously described P. bragai specimen. Analyses on a small fragment of the 28S rDNA gene did not allow for accurately differentiating the Paratanaisia species. Therefore, further morphological studies with additional molecular markers are necessary to improve our understanding of the alpha-taxonomy of this group.

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Parasitism by Paratanaisia bragai (Digenea, Eucotylidae) in commom waxbill (Estrilda astrild)

Abstract: Communication [Comunicação] Parasitism by Paratanaisia bragai (Digenea, Eucotylidae) in commom waxbill (Estrilda astrild)[Parasitismo por Paratanaisia bragai em bico-de-lacre (Estrilda astrild)]

Cited by 8 publications

References 7 publications

Occurrence of Paratanaisia confusa Freitas, 1951 in free-living guira cuckoo (Guira guira, Cuculiformes: Crotophagidae)

Occurrence of Paratanaisia confusa Freitas, 1951 in free-living guira cuckoo (Guira guira, Cuculiformes: Crotophagidae)

First record of Paratanaisia bragai (Digenea: Eucotylidae) in blue and gold macaw (Ara ararauna)

Renal trematode infection in wild birds: histopathological, morphological, and molecular aspects

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