Spotted fever group rickettsia in small rodents from areas of low endemicity for brazilian spotted fever in the eastern region of Minas Gerais state, Brazil.
We investigated the humoral immune response against different species of Rickettsia in serum samples from small rodents collected in two areas of a silent focus for Brazilian spotted fever in the eastern region of Minas Gerais State, Brazil. Sera samples were analyzed by indirect immunofluorescence...
Published in: | The American Journal of Tropical Medicine and Hygiene |
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Online Access: | http://www.repositorio.ufop.br/handle/123456789/7683 http://www.ajtmh.org/content/88/5/937.long https://doi.org/10.4269/ajtmh.12-0609 |
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ftunifouropreto:oai:localhost:123456789/7683 2023-05-15T18:05:22+02:00 Spotted fever group rickettsia in small rodents from areas of low endemicity for brazilian spotted fever in the eastern region of Minas Gerais state, Brazil. Milagres, Bruno Silva Padilha, Amanda de Freitas Montandon, Carlos Emmanuel Freitas, Renata Nascimento de Pacheco, Richard de Campos Walker, David Hughes Labruna, Marcelo Bahia Mafra, Cl?udio L?sias Galv?o, M?rcio Ant?nio Moreira 2013 application/pdf http://www.repositorio.ufop.br/handle/123456789/7683 http://www.ajtmh.org/content/88/5/937.long https://doi.org/10.4269/ajtmh.12-0609 en_US eng MILAGRES, B. S. et al. Spotted fever group rickettsia in small rodents from areas of low endemicity for brazilian spotted fever in the eastern region of Minas Gerais state, Brazil. The American Journal of Tropical Medicine and Hygiene, v. 88, p. 937-939, 2013. Dispon?vel em: <http://www.ajtmh.org/content/88/5/937.long>. Acesso em: 29 jan. 2017. ?0002-9637 http://www.repositorio.ufop.br/handle/123456789/7683 http://www.ajtmh.org/content/88/5/937.long https://doi.org/10.4269/ajtmh.12-0609 restrito Artigo publicado em periodico 2013 ftunifouropreto https://doi.org/10.4269/ajtmh.12-0609 2022-03-01T15:46:31Z We investigated the humoral immune response against different species of Rickettsia in serum samples from small rodents collected in two areas of a silent focus for Brazilian spotted fever in the eastern region of Minas Gerais State, Brazil. Sera samples were analyzed by indirect immunofluorescence assay using antigens from Rickettsia species of the spotted fever, ancestral, and transition groups. Titers ? 1:64 were considered positive. In Santa Cruz do Escalvado, 94% (30 of 32) of the samples collected from Rattus rattus, 22% (5 of 23) from Nectomys squamipes, and 80% (4 of 5) from Akodon sp., reacted by indirect immunofluorescence assay with Rickettsia antigens of the spotted fever group. In the municipality of Pingo D?A? gua, 84% (26 of 31) of the samples collected from R. rattus, 86% (6 of 7) of the samples from Oryzomys subflavus, 86% (6 of 7) from N. squamipes, and 100% (1 of 1) from Bolomys sp. contained antibodies that reacted with rickettsial antigens of the spotted fever group. These results demonstrated the previous exposure of small rodents to spotted fever group Rickettsia, suggesting the participation of these animals in the natural history of these rickettsiae in this region. Other/Unknown Material Rattus rattus RIUFOP - Repositório Institucional da UFOP (Universidade Federal de Ouro Preto) The American Journal of Tropical Medicine and Hygiene 88 5 937 939 |
institution |
Open Polar |
collection |
RIUFOP - Repositório Institucional da UFOP (Universidade Federal de Ouro Preto) |
op_collection_id |
ftunifouropreto |
language |
English |
description |
We investigated the humoral immune response against different species of Rickettsia in serum samples from small rodents collected in two areas of a silent focus for Brazilian spotted fever in the eastern region of Minas Gerais State, Brazil. Sera samples were analyzed by indirect immunofluorescence assay using antigens from Rickettsia species of the spotted fever, ancestral, and transition groups. Titers ? 1:64 were considered positive. In Santa Cruz do Escalvado, 94% (30 of 32) of the samples collected from Rattus rattus, 22% (5 of 23) from Nectomys squamipes, and 80% (4 of 5) from Akodon sp., reacted by indirect immunofluorescence assay with Rickettsia antigens of the spotted fever group. In the municipality of Pingo D?A? gua, 84% (26 of 31) of the samples collected from R. rattus, 86% (6 of 7) of the samples from Oryzomys subflavus, 86% (6 of 7) from N. squamipes, and 100% (1 of 1) from Bolomys sp. contained antibodies that reacted with rickettsial antigens of the spotted fever group. These results demonstrated the previous exposure of small rodents to spotted fever group Rickettsia, suggesting the participation of these animals in the natural history of these rickettsiae in this region. |
format |
Other/Unknown Material |
author |
Milagres, Bruno Silva Padilha, Amanda de Freitas Montandon, Carlos Emmanuel Freitas, Renata Nascimento de Pacheco, Richard de Campos Walker, David Hughes Labruna, Marcelo Bahia Mafra, Cl?udio L?sias Galv?o, M?rcio Ant?nio Moreira |
spellingShingle |
Milagres, Bruno Silva Padilha, Amanda de Freitas Montandon, Carlos Emmanuel Freitas, Renata Nascimento de Pacheco, Richard de Campos Walker, David Hughes Labruna, Marcelo Bahia Mafra, Cl?udio L?sias Galv?o, M?rcio Ant?nio Moreira Spotted fever group rickettsia in small rodents from areas of low endemicity for brazilian spotted fever in the eastern region of Minas Gerais state, Brazil. |
author_facet |
Milagres, Bruno Silva Padilha, Amanda de Freitas Montandon, Carlos Emmanuel Freitas, Renata Nascimento de Pacheco, Richard de Campos Walker, David Hughes Labruna, Marcelo Bahia Mafra, Cl?udio L?sias Galv?o, M?rcio Ant?nio Moreira |
author_sort |
Milagres, Bruno Silva |
title |
Spotted fever group rickettsia in small rodents from areas of low endemicity for brazilian spotted fever in the eastern region of Minas Gerais state, Brazil. |
title_short |
Spotted fever group rickettsia in small rodents from areas of low endemicity for brazilian spotted fever in the eastern region of Minas Gerais state, Brazil. |
title_full |
Spotted fever group rickettsia in small rodents from areas of low endemicity for brazilian spotted fever in the eastern region of Minas Gerais state, Brazil. |
title_fullStr |
Spotted fever group rickettsia in small rodents from areas of low endemicity for brazilian spotted fever in the eastern region of Minas Gerais state, Brazil. |
title_full_unstemmed |
Spotted fever group rickettsia in small rodents from areas of low endemicity for brazilian spotted fever in the eastern region of Minas Gerais state, Brazil. |
title_sort |
spotted fever group rickettsia in small rodents from areas of low endemicity for brazilian spotted fever in the eastern region of minas gerais state, brazil. |
publishDate |
2013 |
url |
http://www.repositorio.ufop.br/handle/123456789/7683 http://www.ajtmh.org/content/88/5/937.long https://doi.org/10.4269/ajtmh.12-0609 |
genre |
Rattus rattus |
genre_facet |
Rattus rattus |
op_relation |
MILAGRES, B. S. et al. Spotted fever group rickettsia in small rodents from areas of low endemicity for brazilian spotted fever in the eastern region of Minas Gerais state, Brazil. The American Journal of Tropical Medicine and Hygiene, v. 88, p. 937-939, 2013. Dispon?vel em: <http://www.ajtmh.org/content/88/5/937.long>. Acesso em: 29 jan. 2017. ?0002-9637 http://www.repositorio.ufop.br/handle/123456789/7683 http://www.ajtmh.org/content/88/5/937.long https://doi.org/10.4269/ajtmh.12-0609 |
op_rights |
restrito |
op_doi |
https://doi.org/10.4269/ajtmh.12-0609 |
container_title |
The American Journal of Tropical Medicine and Hygiene |
container_volume |
88 |
container_issue |
5 |
container_start_page |
937 |
op_container_end_page |
939 |
_version_ |
1766176831962087424 |