Please use this identifier to cite or link to this item: http://repositorio.ufpa.br/jspui/handle/2011/8892
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Type: Artigo de Periódico
Issue Date: May-2006
Authors: LAINSON, Ralph
RIBEIRO, Maria Lúcia da Silva
Title: Eimeria lepidosirenis n.sp. (Apicomplexa:Eimeriidae) of the South American lungfish Lepidosiren paradoxa (Osteichthyes:Dipnoi) from Amazonian Brazil
Citation: LAINSON, Ralph ; RIBEIRO, Maria Lúcia da Silva. Eimeria lepidosirenis n.sp. (Apicomplexa:Eimeriidae) of the South American lungfish Lepidosiren paradoxa (Osteichthyes:Dipnoi) from Amazonian Brazil. Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 101, n. 3, p. 327-329, maio 2006. Disponível em: <http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762006000300018&lng=pt&nrm=iso>. Acesso em: 21 jul. 2017. <http://dx.doi.org/10.1590/S0074-02762006000300018>.
Abstract: The mature oocysts of Eimeria lepidosirenis n.sp. are described in faeces removed from the lower region of the intestine of a single specimen of the South American lungfish Lepidosiren paradoxa, from Belém, state of Pará, Amazonian Brazil. Oocysts with endogenous sporulation: spherical to slightly subspherical, 30.8 × 30.3 µm (28.1 × 25.9 -33.3 × 31.8), shape-index (ratio length/width) 1.0, n = 25. Oocyst wall a very thin, single layer approximately 0.74 µm thick, smooth, colourless, with no micropyle and rapidly breaking down to release the sporocysts. Oocyst residuum a bulky ovoid to spherical mass of approximately 20.0 × 15 µm, composed of fine granules and larger globules and enclosed by a very fine membrane: no polar bodies seen. Sporocysts 15.5 × 9.0 µm (14.5 × 8.0 16.0 × 9.0), shape index 1.7 (1.6-1.8), n = 30, ovoid, with one extremity rather pointed and with a very delicate Stieda body but no sub-Stieda body: sporocyst wall a single extremely thin layer with no valves. Sporocyst residuum a spherical to ovoid mass of approximately 5.0 × 4.0 µm, composed of fine granules and small globules and enclosed by a very fine membrane. Sporozoites strongly recurved at their ends and apparently with only a single refractile body. Site of development in the host uncertain: no evidence of endogenous stages was found in fresh scrapings and stained smears of the intestinal epithelium
Keywords: Eimeria lepidosirenis
Oócitos
Peixe pulmonado
Lepidosiren paradoxa
metadata.dc.relation.ispartof: Memórias do Instituto Oswaldo Cruz
ISSN: 1678-8060
Country: Brasil
Publisher: Universidade Federal do Pará
Institution Acronym: UFPA
Appears in Collections:Artigos Científicos - ICS

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