The canary  Serinus canaria  (Passeriformes: Fringillidae) as a new host for  Isospora bioccai  in Mexico

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Abstract

Isospora bioccai (Cringoli and Quesada 1991) (Protozoa, Apicomplexa, Eimeriidae) is reported and described from captive canaries Serinus canaria forma domestica (Linnaeus 1758) in Mexico. The oöcysts are subspherical, 25.5 × 23.5 μm, with smooth, bilayered wall, ∼1.3 μm thick. Micropyle absent, oöcyst residuum absent, and polar granule present, 4–8 rice-grain-shaped. Sporocysts are ovoidal, 16.7 × 10.5 μm. Stieda body knob-like and substieda body trapezoidal of irregular base. Sporocyst residuum is composed of granules of different sizes. Sporozoites are vermiform with one refractile body and a nucleus. Gamogony was seen in the duodenum. In addition to new locality, this is the first description of I. bioccai from S. canaria.

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Highlights

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The canary ( Serinus canaria) as a new host for Isospora bioccai.
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Gamogony was seen in the duodenum.
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First record of I. bioccai in Fringillidae in Mexico.

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Most cited references 32

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A guideline for the preparation of species descriptions in the Eimeriidae.

D Duszynski, P G Wilber (1997)

Members of the suborder Eimeriina (phylum Apicomplexa: class Sporozoea: order Eucoccidiorida) have complex 1 or 2 host life cycles that involve endogenous development in the tissues of vertebrates or invertebrates and exogenous development in an oocyst, usually outside the host(s). Because tissue stages are logistically difficult or even impossible to obtain in natural (wild) host-parasite systems, the vast majority (> 98%) of species in this parasite complex are known only from the structure of their sporulated oocyst. Unfortunately, the quality of these species descriptions is uneven because no guidelines are available for workers in the field to follow. Here we propose a specific set of guidelines for the preparation of species descriptions of coccidia based predominently on the structure of the sporulated oocyst, because the oocyst is the most readily available stage in the life cycle. In addition, we emphasize that ancillary data be incorporated whenever possible with the species description; these data may include, but are not limited to, ecological parameters, prevalence, seasonal data, and the deposition of both host symbiotypes and parasite hepantotypes (= phototypes) into accredited musecums so that accurate identification of both host and parasite material can be assured in perpetuity. And finally, if oocysts are collected in pure suspension, that is, if only one coccidian species (morphotype) is present in the sample, then some oocysts should be saved in 70% ethanol and archived in an accredited museum in the event that future workers might wish to amplify and, later, sequence the parasite's DNA.

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The phylogenetic relationships and generic limits of finches (Fringillidae).

Dario Zuccon, Robert P Prys-Jones, Pamela C Rasmussen … (2012)

Phylogenetic relationships among the true finches (Fringillidae) have been confounded by the recurrence of similar plumage patterns and use of similar feeding niches. Using a dense taxon sampling and a combination of nuclear and mitochondrial sequences we reconstructed a well resolved and strongly supported phylogenetic hypothesis for this family. We identified three well supported, subfamily level clades: the Holoarctic genus Fringilla (subfamly Fringillinae), the Neotropical Euphonia and Chlorophonia (subfamily Euphoniinae), and the more widespread subfamily Carduelinae for the remaining taxa. Although usually separated in a different family-group taxon (Drepanidinae), the Hawaiian honeycreepers are deeply nested within the Carduelinae and sister to a group of Asian Carpodacus. Other new relationships recovered by this analysis include the placement of the extinct Chaunoproctus ferreorostris as sister to some Asian Carpodacus, a clade combining greenfinches (Carduelis chloris and allies), Rhodospiza and Rhynchostruthus, and a well-supported clade with the aberrant Callacanthis and Pyrrhoplectes together with Carpodacus rubescens. Although part of the large Carduelis-Serinus complex, the poorly known Serinus estherae forms a distinct lineage without close relatives. The traditionally delimited genera Carduelis, Serinus, Carpodacus, Pinicola and Euphonia are polyphyletic or paraphyletic. Based on our results we propose a revised generic classification of finches and describe a new monotypic genus for Carpodacus rubescens. Copyright © 2011 Elsevier Inc. All rights reserved.

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Studies on coccidian oocysts (Apicomplexa: Eucoccidiorida)

Bruno Berto, Owen McIntosh, Carlos Lopes (2014)

The oocysts of the coccidia are robust structures, frequently isolated from the feces or urine of their hosts, which provide resistance to mechanical damage and allow the parasites to survive and remain infective for prolonged periods. The diagnosis of coccidiosis, species description and systematics, are all dependent upon characterization of the oocyst. Therefore, this review aimed to the provide a critical overview of the methodologies, advantages and limitations of the currently available morphological, morphometrical and molecular biology based approaches that may be utilized for characterization of these important structures. It has become apparent that no single methodology is sufficient to fully characterize these structures and the majority of researchers favor the use of combinational or polyphasic approaches.

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Author and article information

Contributors

E. Soriano-Vargas

Journal

Journal ID (nlm-ta): Int J Parasitol Parasites Wildl

Journal ID (iso-abbrev): Int J Parasitol Parasites Wildl

Title: International Journal for Parasitology: Parasites and Wildlife

Publisher: Elsevier

ISSN (Electronic): 2213-2244

Publication date PMC-release: 22 November 2018

Publication date Collection: December 2018

Publication date (Electronic): 22 November 2018

Volume: 7

Issue: 3

Pages: 445-449

Affiliations

[a ]Centro de Investigación y Estudios Avanzados en Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Toluca, Mexico

[b ]P'isqu. Medicina Especializada en Aves de Compañía y Silvestres. Toluca, 50000, Mexico

Author notes

[∗ ]Corresponding author. CIESA-FMVZ-UAEM, Carretera Toluca-Atlacomulco km 12, Toluca, 50200, Mexico. soriano@ 123456uaemex.mx

Article

Publisher ID: S2213-2244(18)30085-3

DOI: 10.1016/j.ijppaw.2018.11.004

PMC ID: 6262769

SO-VID: 776298d1-cb63-469e-889f-0e72acd7a14c

License:

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

History

Date received : 2 August 2018

Date revision received : 26 October 2018

Date accepted : 20 November 2018

The canary Serinus canaria (Passeriformes: Fringillidae) as a new host for Isospora bioccai in Mexico

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Most cited references 32

A guideline for the preparation of species descriptions in the Eimeriidae.

The phylogenetic relationships and generic limits of finches (Fringillidae).

Studies on coccidian oocysts (Apicomplexa: Eucoccidiorida)

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