scholarly journals Isospora coerebae n. sp. (Apicomplexa: Eimeriidae) from the bananaquit Coereba flaveola (Passeriformes: Coerebidae) in South America

2011 ◽  
Vol 20 (1) ◽  
pp. 22-26 ◽  
Author(s):  
Bruno Pereira Berto ◽  
Walter Flausino ◽  
Hermes Ribeiro Luz ◽  
Ildemar Ferreira ◽  
Carlos Wilson Gomes Lopes
Keyword(s):  
New Species ◽  
South America ◽  
Polar Granule ◽  
Refractile Body ◽  
Coccidian Parasite ◽  
Sporocyst Residuum ◽  
Size And Shape ◽  
Oocyst Residuum ◽  
Coereba Flaveola

The present study describes a new isosporoid coccidian parasite from the bananaquit Coereba flaveola, in Brazil. This new species is similar to I. cagasebi, but it can be distinguished by the size and shape of Stieda and susbstieda bodies. Isospora coerebae n. sp. oocysts are spheroidal to sub-spheroidal, 24.8 × 23.3 µm, with a smooth and bi-layered wall, ~1.2 µm. Micropyle, oocyst residuum and polar granule are absent. Sporocysts are elongate ovoidal, 17.9 × 10.9 µm. Stieda and substieda bodies are present. Sporocyst residuum is present and sporozoites have a posterior refractile body.

Two new Isospora species from the saffron finch, Sicalis flaveola in Brazil

2011 ◽  
Vol 56 (3) ◽  
Author(s):  
Cleide Coelho ◽  
Bruno Berto ◽  
Daniel Neves ◽  
Vinícius Oliveira ◽  
Walter Flausino ◽  
...  
Keyword(s):  
South America ◽  
Polar Granule ◽  
Common Species ◽  
Refractile Body ◽  
Stieda Body ◽  
Sporocyst Residuum ◽  
Coccidian Species ◽  
Oocyst Residuum

AbstractTwo new coccidian species (Protozoa, Apicomplexa, Eimeriidae) are reported from the saffron finch Sicalis flaveola Linnaeus, 1766, a very common species in South America. Isospora cetasiensis sp. nov. oocysts are subspherical to ellipsoidal, 23.1 × 21.6 μm, with smooth, bilayered wall, ∼1.0 μm. Micropyle, oocyst residuum and polar granule are absent. Sporocysts are ovoidal, 15.1 × 10.9 μm. Stieda body is knob-like and substieda body is rounded. Sporocyst residuum is composed of many scattered granules and spherules of different sizes. Sporozoites are vermiform with one refractile body and a nucleus. Isospora sicalisi sp. nov. oocysts are subspherical to ellipsoidal, 27.5 × 25.2 μm, with a smooth, bilayered wall, ∼1.1 μm. Micropyle, oocyst residuum and polar granule are absent. Sporocysts are ellipsoidal, 17.2 × 11.7 μm. Stieda body is knob-like and substieda body is trapezoidal. Sporocyst residuum is composed of scattered granules and spherules of different sizes. Sporozoites are vermiform with one refractile body and a nucleus.

New isosporoid coccidian parasites of sayaca tanager, Thraupis sayaca, from South America

2009 ◽  
Vol 54 (2) ◽  
Author(s):  
Bruno Berto ◽  
Lianna Balthazar ◽  
Walter Flausino ◽  
Carlos Lopes
Keyword(s):  
South America ◽  
Polar Granule ◽  
Refractile Body ◽  
Sporocyst Residuum ◽  
Coccidian Parasites ◽  
Oocyst Residuum

AbstractThree new coccidian (Apicomplexa, Eimeriidae) species from the sayaca tanager, Thraupis sayaca, from Brazil, are reported in the current study. Isospora sanhaci sp. nov. oocysts are spherical to subspherical, 22.1 × 21.0 μm, with smooth, bilayered wall, ∼1.0 μm. Micropyle, oocyst residuum and polar granule are absent, while Stieda and substieda bodies are present. Sporocysts are elongated, 17.0 × 9.9 μm. Sporocyst residuum is present, sporozoites have one refractile body and a nucleus. Isospora sayacae sp. nov. are spherical to subspherical, 28.9 × 27.4 μm, with smooth, bilayered wall, ∼1.3 μm. Micropyle, oocyst residuum and polar granule are absent, while Stieda and substieda bodies are present. Sporocysts are bottle-shaped, 23.4 × 11.8 μm and containing a sporocyst residuum and sporozoites with one refractile body and a nucleus. Isospora silvasouzai sp. nov. are spherical to subspherical, 25.5 × 22.6 μm, with a smooth, bilayered wall, ∼1.0 μm. Micropyle and oocyst residuum are absent, but one polar granule is present. Sporocysts are pyriform ellipsoidal, 17.6 × 10.5 μm. Stieda and substieda bodies and sporocyst residuum are present and sporozoites have one refractile body and a nucleus.

A new coccidian parasite (Apicomplexa: Eimeriidae: Eimeria) from the southern black racer, Coluber constrictor priapus (Reptilia: Ophidia: Colubridae) from Arkansas, USA

2018 ◽  
Vol 63 (3) ◽  
pp. 558-562
Author(s):  
Chris T. McAllister ◽  
John A. Hnida ◽  
Henry W. Robison
Keyword(s):  
Polar Granule ◽  
Stieda Body ◽  
Coccidian Parasite ◽  
Sporocyst Residuum ◽  
Coluber Constrictor ◽  
Coccidian Parasites ◽  
Oocyst Residuum

AbstractBetween April 2012 and October 2017, 18 southern black racers,Coluber constrictor priapus, were collected from nine counties of Arkansas (n= 13) and McCurtain County, Oklahoma (n= 5) and their faeces examined for coccidian parasites. One of 18 (6%)C. c. priapusharboured an eimerian that we describe here as new. Oocysts ofEimeria dunnisp. nov. were subspheroidal with a lightly pitted bi-layered wall measuring L × W 24.0 × 21.1 and L/W ratio of 1.2. A micropyle was absent but an oocyst residuum and polar granule were present. Sporocysts were ovoidal and measured 11.9 × 8.1 with L/W of 1.5. A Stieda body was present but substieda and parastieda bodies were absent. The sporocyst residuum was composed of medium-sized granules aligned along perimeter of sporocyst or in a dispersed mass. This represents the first valid eimerian reported from the southern black racer.

scholarly journals Isospora albicollis (Apicomplexa: Eimeriidae) in thrushes Turdus spp. (Passeriformes: Turdidae), in southeastern Brazil

2017 ◽  
Vol 26 (2) ◽  
pp. 231-234 ◽  
Author(s):  
Irlane Faria de Pinho ◽  
Lidiane Maria da Silva ◽  
Mariana Borges Rodrigues ◽  
Mariana de Souza Oliveira ◽  
Bruno do Bomfim Lopes ◽  
...  
Keyword(s):  
National Park ◽  
Polar Granule ◽  
Refractile Body ◽  
Wide Distribution ◽  
Stieda Body ◽  
Southeastern Brazil ◽  
New Host ◽  
Sporocyst Residuum ◽  
New Localities ◽  
Oocyst Residuum

Abstract The aim of the present study was to report and describe Isospora albicollis Lainson and Shaw, 1989 parasitizing a white-necked thrush Turdus albicollis Vieillot, 1818 and a pale-breasted thrush Turdus leucomelas Vieillot, 1818 in two different localities: the Itatiaia National Park and Cacaria, in southeastern Brazil. The oocysts identified were ovoidal, 24.4 × 19.7 μm, with a smooth, bilayered wall, around 1.4 μm thick. Oocyst residuum was absent, but a micropyle and a polar granule were present. The sporocysts were ellipsoidal, 15.4 × 10.1 μm. The Stieda body was knob-like to rounded and the sub-Stieda body was prominent and wide. Sporocyst residuum was present, usually as a cluster of granules that appear to be membrane-bounded. The sporozoites were vermiform with one posterior refractile body and a centrally located nucleus. Besides recording the new host T. leucomelas, the identification of I. albicollis in the Itatiaia National Park and Cacaria, in southeastern Brazil, provide records of new localities for its parasitism, and reveals the wide distribution and dispersion of this coccidium in Brazil.

Eimeria psittacarae n. sp. (Apicomplexa: Eimeiriidae) from white-eyed parakeets Psittacara leucophthalmus (Müller, 1776) (Psittaciformes: Psittacidae) kept for rehabilitation and reintroduction in the Parque Nacional da Serra dos Órgãos, Southeastern Brazil

Zootaxa ◽  
2018 ◽  
Vol 4459 (1) ◽  
pp. 164
Author(s):  
PRISCILA TUCUNDUVA ◽  
MARIANA BORGES RODRIGUES ◽  
RAQUEL BATISTA JUNGER DE CARVALHO ◽  
BRUNO PEREIRA BERTO
Keyword(s):  
New Species ◽  
New World ◽  
Refractile Body ◽  
Stieda Body ◽  
Southeastern Brazil ◽  
Sporocyst Residuum ◽  
Polar Granules ◽  
A New Species ◽  
Oocyst Residuum

A new species of coccidia (Protozoa: Apicomplexa: Eimeriidae) found parasitizing the white-eyed parakeet Psittacara leucophthalmus (Müller, 1776) in Brazil is described. Eimeria psittacarae n. sp. has oocysts that are ellipsoidal, 34.8 × 24.3 μm, with smooth, bilayered wall, ~1.7 μm thick. Micropyle present. Oocyst residuum absent, but one or two polar granules are present. Sporocysts are elongate ellipsoidal, 19.2 × 9.7 μm. Stieda body knob-like and sub-Stieda body rounded. Sporocyst residuum is composed of granules that appear to be membrane-bounded. Sporozoites are vermiform with one refractile body and a nucleus. This is the sixth description of an eimeriid coccidium parasitizing a New World psittacine. 

scholarly journals A new species of Eimeria (Apicomplexa: Eimeriidae) from tri-colored bats, Perimyotis subflavus (Chiroptera: Vespertilionidae), from the Ouachitas of Arkansas

2014 ◽  
Vol 59 (4) ◽  
Author(s):  
Chris McAllister ◽  
R. Seville ◽  
Robert Arlen ◽  
Matthew Connior
Keyword(s):  
New Species ◽  
Polar Granule ◽  
Concurrent Infection ◽  
Sporocyst Residuum ◽  
The Third ◽  
Coccidian Parasites ◽  
Length Width ◽  
Measured Length ◽  
A New Species ◽  
Oocyst Residuum

AbstractBetween February 2013 and October 2013, eleven tri-colored bats, Perimyotis subflavus were collected from Marion, Polk, and Searcy counties, Arkansas, and their faeces examined for coccidian parasites. Two of eleven (18%) harboured an eimerian that we describe here as new. Oocysts of Eimeria mcdanieli sp. n. were ellipsoidal to elongate with a bi-layered wall and measured (length × width, L × W) 28.3 × 17.9 μm, with an L/W ratio of 1.6. A micropyle and oocyst residuum were absent but a single polar granule was present. Sporocysts were ovoidal, 12.6 × 8.3 μm, with an L/W ratio of 1.5. A pronounced, nipple-like Stieda body was present as well as a substieda body. A sporocyst residuum was present as dispersed bubble-like granules. This is the third coccidian described from tri-colored bats and the sixth species reported from Arkansas chiropterans. In addition, both infected bats harbored a concurrent infection of Eimeria heidti McAllister, Burt, Seville, and Robison, 2011.

The Coccidia (Apicomplexa: Eimeriidae) of Testudines, with descriptions of three new species

1989 ◽  
Vol 67 (10) ◽  
pp. 2459-2467 ◽  
Author(s):  
Chris T. McAllister ◽  
Steve J. Upton
Keyword(s):  
New Species ◽  
Polar Granule ◽  
Stieda Body ◽  
Trachemys Scripta ◽  
Thin Membrane ◽  
Trachemys Scripta Elegans ◽  
Sporocyst Residuum ◽  
Three New Species ◽  
Oocyst Residuum

Three new species of Coccidia (Apicomplexa: Eimeriidae) are described from turtles in Texas, U.S.A. Oocysts of Eimeria texana sp.n. were found in 2/8 (25%) Texas cooters, Pseudemys texana, and are bent-cylindrical or elongate, 20.5 × 8.4 (17.6–23.2 × 7.2–9.0) μm (mean, range), with a smooth, thin, single-layered wall. A micropyle is absent but an oocyst residuum and polar granule are present. Sporocysts are ovoid, 8.1 × 4.7 (7.0–8.8 × 4.0–5.4) μm, with a Stieda body and sporocyst residuum. Oocysts of Eimeria cooteri sp.n. were recovered from 3/8 (37.5%) Pseudemys texana and are ellipsoid or bent-cylindrical, 25.9 × 10.9 (22.6–28.0 × 9.6–12.8) μm, with a single-layered wall. A polar granule and oocyst residuum are present but a micropyle is absent. Sporocysts are elongate, 14.9 × 5.3 (12.8–16.0 × 4.8–6.6) μm, with an elongate Stieda body capped by tiny knob-like thickenings and covered by a thin membrane; sporocyst residuum present. Oocysts of Eimeria stylosa sp.n. were harbored by 2/16 (12.5%) red-eared sliders, Trachemys scripta elegans, and are ovoid, 16.5 × 13.1 (14.4–17.6 × 12.0–14.4) μm, with a single-layered wall. Each end of the oocyst bears conical projections ca. 4.0 μm long. A micropyle, oocyst residuum, and polar granule are absent. Sporocysts are ellipsoid, 11.1 × 5.8 (9.6–14.4 × 5.4–7.2) μm, with a small Stieda body and sporocyst residuum. A table of the more than 30 species of Coccidia of turtles is presented.

scholarly journals Isospora machadoae sp. nov. (Protozoa: Apicomplexa: Eimeriidae), a new coccidian species from white-necked thrushes Turdus albicolis (Passeriformes: Turdidae) of South America

2018 ◽  
Vol 35 ◽  
pp. 1-4 ◽  
Author(s):  
Irlane F. de Pinho ◽  
Lidiane M. da Silva ◽  
Mariana B. Rodrigues ◽  
Bruno do B. Lopes ◽  
Mariana S. Oliveira ◽  
...  
Keyword(s):  
South America ◽  
Clinical Signs ◽  
Refractile Body ◽  
Southeastern Brazil ◽  
Ecological Niches ◽  
Sporocyst Residuum ◽  
Polar Granules ◽  
Parque Nacional Do Itatiaia ◽  
Coccidian Species ◽  
Oocyst Residuum

A new coccidian species parasitizing white-necked thrushes Turdus albicollis Vieillot, 1818 is described from the Parque Nacional do Itatiaia, in Southeastern Brazil. Isospora machadoae sp. nov. has oocysts that are sub-spherical, 22.2 × 21.2 µm, with bilayered wall, ~1.3 μm thick. Outer layer is rough with micropyle and micropyle cap. Oocyst residuum is absent, but one or two polar granules are present. Sporocysts are ellipsoidal, 13.3 × 9.7 µm. The Stieda body is flattened to half-moon-shaped and substieda body rounded. Sporocyst residuum is present, composed of scattered spherules of different sizes. Sporozoites are vermiform with a refractile body and a nucleus. These parasitized thrushes had no apparent clinical signs of coccidiosis or high densities of oocysts in feces. This condition may be associated with a specific low pathogenicity of I. machadoae sp. nov. and/or with the conserved habitat of these birds, which ensures the ecological niches and thus the immunocompetence to wildlife.

Isospora ramphoceli n. sp. (Apicomplexa: Eimeriidae) from the Brazilian tanager (Aves: Passeriformes: Thraupidae) Ramphocelus bresilius dorsalis Sclater, 1855

Zootaxa ◽  
2010 ◽  
Vol 2650 (1) ◽  
pp. 57 ◽  
Author(s):  
BRUNO PEREIRA BERTO ◽  
WALTER FLAUSINO ◽  
HERMES RIBEIRO LUZ ◽  
ILDEMAR FERREIRA ◽  
CARLOS WILSON GOMES LOPES
Keyword(s):  
Polar Granule ◽  
Refractile Body ◽  
Stieda Body ◽  
Sporocyst Residuum ◽  
Coccidian Species ◽  
Oocyst Residuum

In the current study, a new coccidian species (Protozoa: Apicomplexa: Eimeriidae) collected from the Brazilian tanager Ramphocelus bresilius dorsalis Sclater, 1855 is reported from Brazil. Isospora ramphoceli n. sp. has oocysts which are spherical to sub-spherical, 23.7 × 22.8 μ m, with smooth, bilayered wall, ~1.2 μ m thick. Micropyle, oocyst residuum and polar granule are absent. Sporocysts are ellipsoidal or slightly ovoidal, 16.0 × 11.4 µm. Stieda body knob-like and prominent and substieda body large and homogeneous. Sporocyst residuum is composed of granules of different sizes. Sporozoites are vermiform with one refractile body and a nucleus. This is the sixth description of an isosporoid coccidium infecting R. b. dorsalis and the twelfth description from Thraupidae.

scholarly journals Oocyst shedding by green-winged-saltator (Saltator similis) in the diagnostic of coccidiosis and Isospora similisi n. sp. (Apicomplexa: Eimeriidae)

2013 ◽  
Vol 22 (1) ◽  
pp. 64-70 ◽  
Author(s):  
Cleide Domingues Coelho ◽  
Bruno Pereira Berto ◽  
Daniel Medeiros Neves ◽  
Vinícius Modesto de Oliveira ◽  
Walter Flausino ◽  
...  
Keyword(s):  
Refractile Body ◽  
Wild Birds ◽  
Diurnal Periodicity ◽  
Stieda Body ◽  
Coccidian Parasite ◽  
Sporocyst Residuum ◽  
Fecal Samples ◽  
Late Afternoon ◽  
In Captivity ◽  
Oocyst Residuum

Diurnal periodicity is a phenomenon that has been observed in coccidian of Isospora parasites of passerines, which have been eliminated great number of oocysts at dusk. The objective of this study was to evaluate the occurrence of periodicity of oocysts presence in the green-winged-saltator Saltator similis, and its use in the diagnosis of coccidiosis in wild birds in captivity. A total of 220 fecal samples were collected from birds, apprehended from illegal trading and kept in quarantine in CETAS∕IBAMA, in the morning and late afternoon, from May to November 2010. It was observed that 1.82% of the samples collected in the morning were positive, while 31.36% of samples were positive in the late afternoon. In addition, the number of oocysts shed was greater in the afternoon. Therefore, it was concluded that the sampling in the late afternoon provided greater reliability for the diagnosis of coccidiosis in green-winged-saltators. Moreover, in this study a new isosporoid coccidian parasite from the green-winged-saltator S. similis was observed and is herein described. Isospora similisi n. sp. oocysts are spheroidal to sub-spheroidal, 27.5 × 25.9 µm, with a smooth and bi-layered wall, ∼1.2 mm. Micropyle and oocyst residuum are absent, but splinter-like or comma-like granules are present. Sporocysts are ellipsoidal or slightly ovoidal, 17.4 × 12.2 mm. A stieda body and substieda body are present. The sporocyst residuum is composed of granules of different sizes. Sporozoites are vermiform with a single refractile body and a nucleus. This is the fourth description of an isosporoid coccidium infecting S. similis and the sixth description from Cardinalidae.

Sign in / Sign up

Export Citation Format

Share Document