Theileria electrophori n.sp., a parasite of the electric eel Electrophorus electricus (Osteichthyes: Cypriniformes: Gymnotidae) from Amazonian Brazil

Detalhes bibliográficos
Autor(a) principal: Lainson, Ralph
Data de Publicação: 2007
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Digital do Instituto Evandro Chagas (Patuá)
Texto Completo: https://patua.iec.gov.br/handle/iec/2134
Resumo: The name Theileria electrophori n.sp. is proposed for a small parasite described in the erythrocytes of the electric eel, Electrophorus electricus, from Amazonian Brazil. Division of the organism in the erythrocyte produces only four bacilliform daughter cells which become scattered in the host cell, without a cruciform or rosette-shaped disposition. Exoerythrocytic meronts producing a large number of merozoites were encountered in Giemsa-stained impression smears of the internal organs, principally in the liver, and are presumably the source of the intraerythrocytic forms of the parasite. This developmental pattern is characteristic of piroplasms within the family Theileriidae, where the author considers the parasite of E. electricus to most appropriately belong. It effectively distinguishes the organism from the dactylosomatid parasites Babesiosoma Jakowska and Nigrelli, 1956 and Dactylosoma Labbé, 1894 also found in fishes. This appears to be the second report of Theileria Bettencourt, Franca and Borges, 1907 in a fish.
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spelling Lainson, Ralph2016-06-09T12:07:09Z2016-06-09T12:07:09Z2007LAINSON, Ralph. Theileria electrophori n.sp., a parasite of the electric eel Electrophorus electricus (Osteichthyes: Cypriniformes: Gymnotidae) from Amazonian Brazil. Memórias do Instituto Oswaldo Cruz, v. 102, n. 2, p. 155-157, Mar. 2007.0074-0276https://patua.iec.gov.br/handle/iec/2134The name Theileria electrophori n.sp. is proposed for a small parasite described in the erythrocytes of the electric eel, Electrophorus electricus, from Amazonian Brazil. Division of the organism in the erythrocyte produces only four bacilliform daughter cells which become scattered in the host cell, without a cruciform or rosette-shaped disposition. Exoerythrocytic meronts producing a large number of merozoites were encountered in Giemsa-stained impression smears of the internal organs, principally in the liver, and are presumably the source of the intraerythrocytic forms of the parasite. This developmental pattern is characteristic of piroplasms within the family Theileriidae, where the author considers the parasite of E. electricus to most appropriately belong. It effectively distinguishes the organism from the dactylosomatid parasites Babesiosoma Jakowska and Nigrelli, 1956 and Dactylosoma Labbé, 1894 also found in fishes. This appears to be the second report of Theileria Bettencourt, Franca and Borges, 1907 in a fish.Ministério da Saúde. Secretaria de Vigilância em Saúde. Instituto Evandro Chagas. 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dc.title.pt_BR.fl_str_mv Theileria electrophori n.sp., a parasite of the electric eel Electrophorus electricus (Osteichthyes: Cypriniformes: Gymnotidae) from Amazonian Brazil
title Theileria electrophori n.sp., a parasite of the electric eel Electrophorus electricus (Osteichthyes: Cypriniformes: Gymnotidae) from Amazonian Brazil
spellingShingle Theileria electrophori n.sp., a parasite of the electric eel Electrophorus electricus (Osteichthyes: Cypriniformes: Gymnotidae) from Amazonian Brazil
Lainson, Ralph
Theileria
Electrophorus / genética
Electrophorus / parasitologia
Região Amazônica (BR)
title_short Theileria electrophori n.sp., a parasite of the electric eel Electrophorus electricus (Osteichthyes: Cypriniformes: Gymnotidae) from Amazonian Brazil
title_full Theileria electrophori n.sp., a parasite of the electric eel Electrophorus electricus (Osteichthyes: Cypriniformes: Gymnotidae) from Amazonian Brazil
title_fullStr Theileria electrophori n.sp., a parasite of the electric eel Electrophorus electricus (Osteichthyes: Cypriniformes: Gymnotidae) from Amazonian Brazil
title_full_unstemmed Theileria electrophori n.sp., a parasite of the electric eel Electrophorus electricus (Osteichthyes: Cypriniformes: Gymnotidae) from Amazonian Brazil
title_sort Theileria electrophori n.sp., a parasite of the electric eel Electrophorus electricus (Osteichthyes: Cypriniformes: Gymnotidae) from Amazonian Brazil
author Lainson, Ralph
author_facet Lainson, Ralph
author_role author
dc.contributor.author.fl_str_mv Lainson, Ralph
dc.subject.decsPrimary.pt_BR.fl_str_mv Theileria
Electrophorus / genética
Electrophorus / parasitologia
Região Amazônica (BR)
topic Theileria
Electrophorus / genética
Electrophorus / parasitologia
Região Amazônica (BR)
description The name Theileria electrophori n.sp. is proposed for a small parasite described in the erythrocytes of the electric eel, Electrophorus electricus, from Amazonian Brazil. Division of the organism in the erythrocyte produces only four bacilliform daughter cells which become scattered in the host cell, without a cruciform or rosette-shaped disposition. Exoerythrocytic meronts producing a large number of merozoites were encountered in Giemsa-stained impression smears of the internal organs, principally in the liver, and are presumably the source of the intraerythrocytic forms of the parasite. This developmental pattern is characteristic of piroplasms within the family Theileriidae, where the author considers the parasite of E. electricus to most appropriately belong. It effectively distinguishes the organism from the dactylosomatid parasites Babesiosoma Jakowska and Nigrelli, 1956 and Dactylosoma Labbé, 1894 also found in fishes. This appears to be the second report of Theileria Bettencourt, Franca and Borges, 1907 in a fish.
publishDate 2007
dc.date.issued.fl_str_mv 2007
dc.date.accessioned.fl_str_mv 2016-06-09T12:07:09Z
dc.date.available.fl_str_mv 2016-06-09T12:07:09Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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status_str publishedVersion
dc.identifier.citation.fl_str_mv LAINSON, Ralph. Theileria electrophori n.sp., a parasite of the electric eel Electrophorus electricus (Osteichthyes: Cypriniformes: Gymnotidae) from Amazonian Brazil. Memórias do Instituto Oswaldo Cruz, v. 102, n. 2, p. 155-157, Mar. 2007.
dc.identifier.uri.fl_str_mv https://patua.iec.gov.br/handle/iec/2134
dc.identifier.issn.-.fl_str_mv 0074-0276
identifier_str_mv LAINSON, Ralph. Theileria electrophori n.sp., a parasite of the electric eel Electrophorus electricus (Osteichthyes: Cypriniformes: Gymnotidae) from Amazonian Brazil. Memórias do Instituto Oswaldo Cruz, v. 102, n. 2, p. 155-157, Mar. 2007.
0074-0276
url https://patua.iec.gov.br/handle/iec/2134
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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dc.publisher.none.fl_str_mv Instituto Oswaldo Cruz
publisher.none.fl_str_mv Instituto Oswaldo Cruz
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instname:Instituto Evandro Chagas (IEC)
instacron:IEC
instname_str Instituto Evandro Chagas (IEC)
instacron_str IEC
institution IEC
reponame_str Repositório Digital do Instituto Evandro Chagas (Patuá)
collection Repositório Digital do Instituto Evandro Chagas (Patuá)
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