Trypanosoma (Megatrypanum) lainsoni n. sp. from Mesomys hispidus (Rodentia: Echimyidae) in BRA: Trypomastigotes described from experimentally infected laboratory mice
We report the detection, isolation and description of Trypanosoma (Megatrypanum) lainsoni n. sp. from a caviomorph rodent, Mesomys hispidus (Rodentia: Echimyidae), obtained in the Rio Negro region of the state of Amazonas, in northern BRA. Laboratory-bred white mice (Mus musculus) and rats (Rattus r...
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ftinstnpamazon:oai:repositorio:1/16029 2023-05-15T18:05:22+02:00 Trypanosoma (Megatrypanum) lainsoni n. sp. from Mesomys hispidus (Rodentia: Echimyidae) in BRA: Trypomastigotes described from experimentally infected laboratory mice Naiff, Roberto Daibes Barrett, Toby Vincent 2013 application/pdf https://repositorio.inpa.gov.br/handle/1/16029 https://doi.org/10.1051/parasite/2013049 en eng Parasite Volume 20, Número 1 https://repositorio.inpa.gov.br/handle/1/16029 doi:10.1051/parasite/2013049 Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ CC-BY-NC-ND Animals Brasil Didelphis Disease Carrier Hamster Isolation And Purification Male Mouse Parasitology Rat Rhodnius Rodent Rodent Disease Trypanosoma Trypanosomiasis Veterinary Xenarthra Animal Cricetinae Insect Vectors Mice Rats Rodent Diseases Rodentia Artigo 2013 ftinstnpamazon https://doi.org/10.1051/parasite/2013049 2020-08-26T12:12:52Z We report the detection, isolation and description of Trypanosoma (Megatrypanum) lainsoni n. sp. from a caviomorph rodent, Mesomys hispidus (Rodentia: Echimyidae), obtained in the Rio Negro region of the state of Amazonas, in northern BRA. Laboratory-bred white mice (Mus musculus) and rats (Rattus rattus) were inoculated with large numbers of culture forms by intraperitoneal route, and trypomastigotes appeared in their blood 3-8 days post-inoculation. One single epimastigote was also found in Mus musculus. Similar attempts to infect Rattus norvegicus, hamsters (Mesocricetus auratus), the opossum Didelphis marsupialis, the anteater Tamandua tetradactyla and triatomine bugs were unsuccessful, following six months of observations and microscopic examinations of blood films and blood cultures. As we have found no previous record of a Trypanosoma (Megatrypanum) species naturally infecting a member of the family Echimyidae, or any other caviomorph rodent, we conclude that this is the first time such an infection has been reported. The new species is unusual in the subgenus for its infectivity to laboratory mice. © 2013 R.D. Naiff et al., published by EDP Sciences. Article in Journal/Newspaper Rattus rattus Repositório do INPA Parasite 20 51 |
institution |
Open Polar |
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Repositório do INPA |
op_collection_id |
ftinstnpamazon |
language |
English |
topic |
Animals Brasil Didelphis Disease Carrier Hamster Isolation And Purification Male Mouse Parasitology Rat Rhodnius Rodent Rodent Disease Trypanosoma Trypanosomiasis Veterinary Xenarthra Animal Cricetinae Insect Vectors Mice Rats Rodent Diseases Rodentia |
spellingShingle |
Animals Brasil Didelphis Disease Carrier Hamster Isolation And Purification Male Mouse Parasitology Rat Rhodnius Rodent Rodent Disease Trypanosoma Trypanosomiasis Veterinary Xenarthra Animal Cricetinae Insect Vectors Mice Rats Rodent Diseases Rodentia Naiff, Roberto Daibes Barrett, Toby Vincent Trypanosoma (Megatrypanum) lainsoni n. sp. from Mesomys hispidus (Rodentia: Echimyidae) in BRA: Trypomastigotes described from experimentally infected laboratory mice |
topic_facet |
Animals Brasil Didelphis Disease Carrier Hamster Isolation And Purification Male Mouse Parasitology Rat Rhodnius Rodent Rodent Disease Trypanosoma Trypanosomiasis Veterinary Xenarthra Animal Cricetinae Insect Vectors Mice Rats Rodent Diseases Rodentia |
description |
We report the detection, isolation and description of Trypanosoma (Megatrypanum) lainsoni n. sp. from a caviomorph rodent, Mesomys hispidus (Rodentia: Echimyidae), obtained in the Rio Negro region of the state of Amazonas, in northern BRA. Laboratory-bred white mice (Mus musculus) and rats (Rattus rattus) were inoculated with large numbers of culture forms by intraperitoneal route, and trypomastigotes appeared in their blood 3-8 days post-inoculation. One single epimastigote was also found in Mus musculus. Similar attempts to infect Rattus norvegicus, hamsters (Mesocricetus auratus), the opossum Didelphis marsupialis, the anteater Tamandua tetradactyla and triatomine bugs were unsuccessful, following six months of observations and microscopic examinations of blood films and blood cultures. As we have found no previous record of a Trypanosoma (Megatrypanum) species naturally infecting a member of the family Echimyidae, or any other caviomorph rodent, we conclude that this is the first time such an infection has been reported. The new species is unusual in the subgenus for its infectivity to laboratory mice. © 2013 R.D. Naiff et al., published by EDP Sciences. |
format |
Article in Journal/Newspaper |
author |
Naiff, Roberto Daibes Barrett, Toby Vincent |
author_facet |
Naiff, Roberto Daibes Barrett, Toby Vincent |
author_sort |
Naiff, Roberto Daibes |
title |
Trypanosoma (Megatrypanum) lainsoni n. sp. from Mesomys hispidus (Rodentia: Echimyidae) in BRA: Trypomastigotes described from experimentally infected laboratory mice |
title_short |
Trypanosoma (Megatrypanum) lainsoni n. sp. from Mesomys hispidus (Rodentia: Echimyidae) in BRA: Trypomastigotes described from experimentally infected laboratory mice |
title_full |
Trypanosoma (Megatrypanum) lainsoni n. sp. from Mesomys hispidus (Rodentia: Echimyidae) in BRA: Trypomastigotes described from experimentally infected laboratory mice |
title_fullStr |
Trypanosoma (Megatrypanum) lainsoni n. sp. from Mesomys hispidus (Rodentia: Echimyidae) in BRA: Trypomastigotes described from experimentally infected laboratory mice |
title_full_unstemmed |
Trypanosoma (Megatrypanum) lainsoni n. sp. from Mesomys hispidus (Rodentia: Echimyidae) in BRA: Trypomastigotes described from experimentally infected laboratory mice |
title_sort |
trypanosoma (megatrypanum) lainsoni n. sp. from mesomys hispidus (rodentia: echimyidae) in bra: trypomastigotes described from experimentally infected laboratory mice |
publisher |
Parasite |
publishDate |
2013 |
url |
https://repositorio.inpa.gov.br/handle/1/16029 https://doi.org/10.1051/parasite/2013049 |
genre |
Rattus rattus |
genre_facet |
Rattus rattus |
op_relation |
Volume 20, Número 1 https://repositorio.inpa.gov.br/handle/1/16029 doi:10.1051/parasite/2013049 |
op_rights |
Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ |
op_rightsnorm |
CC-BY-NC-ND |
op_doi |
https://doi.org/10.1051/parasite/2013049 |
container_title |
Parasite |
container_volume |
20 |
container_start_page |
51 |
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1766176830624104448 |