Rickettsia in synanthropic and domestic animals and their hosts from two areas of low endemicity for Brazilian spotted fever in the Eastern Region of Minas Gerais, Brazil

Bruno S. Milagres; Amanda F. Padilha; Rafael M. Barcelos; Gabriel G. Gomes; Carlos E. Montandon; Dárlen C.H. Pena; Fernanda A. Nieri Bastos; Iara Silveira; Richard Pacheco; Marcelo B. Labruna; Donald H. Bouyer; Renata N. Freitas; David H. Walker; Cláudio L. Mafra; Márcio A.M. Galvao

doi:10.4269/ajtmh.2010.10-0239

Rickettsia in synanthropic and domestic animals and their hosts from two areas of low endemicity for Brazilian spotted fever in the Eastern Region of Minas Gerais, Brazil

Bruno S. Milagres, Amanda F. Padilha, Rafael M. Barcelos, Gabriel G. Gomes, Carlos E. Montandon, Dárlen C.H. Pena, Fernanda A. Nieri Bastos, Iara Silveira, Richard Pacheco, Marcelo B. Labruna, Donald H. Bouyer, Renata N. Freitas, David H. Walker, Cláudio L. Mafra, Márcio A.M. Galvao

Pathology

Research output: Contribution to journal › Article › peer-review

27 Scopus citations

Abstract

The aim of this study was to understand the current epidemiology of rickettsial diseases in two rickettsial-endemic regions in Brazil. In the municipalities of Pingo D'Agua and Santa Cruz do Escalvado, among serum samples obtained from horses and dogs, reactivity by immunofluorescent assay against spotted fever group rickettsiae was verified. In some serum samples from opossums (Didelphis aurita) captured in Santa Cruz do Escalvado, serologic response against rickettsiae was also verified. Polymerase chain reaction identified rickettsiae only in ticks and fleas obtained in Santa Cruz do Escalvado. Rickettsiae in samples had 100% sequence homology with Rickettsia felis. These results high-light the importance of marsupials in maintenance of the sylvatic cycle of rickettsial disease and potential integration with the domestic cycle. Our data also support the importance of horses and dogs as sentinels in monitoring circulation of rickettsiae in an urban area.

Original language	English (US)
Pages (from-to)	1305-1307
Number of pages	3
Journal	American Journal of Tropical Medicine and Hygiene
Volume	83
Issue number	6
DOIs	https://doi.org/10.4269/ajtmh.2010.10-0239
State	Published - Dec 2010

ASJC Scopus subject areas

Infectious Diseases
Virology
Parasitology

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10.4269/ajtmh.2010.10-0239

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Milagres, B. S., Padilha, A. F., Barcelos, R. M., Gomes, G. G., Montandon, C. E., Pena, D. C. H., Nieri Bastos, F. A., Silveira, I., Pacheco, R., Labruna, M. B., Bouyer, D. H., Freitas, R. N., Walker, D. H., Mafra, C. L., & Galvao, M. A. M. (2010). Rickettsia in synanthropic and domestic animals and their hosts from two areas of low endemicity for Brazilian spotted fever in the Eastern Region of Minas Gerais, Brazil. American Journal of Tropical Medicine and Hygiene, 83(6), 1305-1307. https://doi.org/10.4269/ajtmh.2010.10-0239

Rickettsia in synanthropic and domestic animals and their hosts from two areas of low endemicity for Brazilian spotted fever in the Eastern Region of Minas Gerais, Brazil. / Milagres, Bruno S.; Padilha, Amanda F.; Barcelos, Rafael M. et al.
In: American Journal of Tropical Medicine and Hygiene, Vol. 83, No. 6, 12.2010, p. 1305-1307.

Research output: Contribution to journal › Article › peer-review

Milagres, BS, Padilha, AF, Barcelos, RM, Gomes, GG, Montandon, CE, Pena, DCH, Nieri Bastos, FA, Silveira, I, Pacheco, R, Labruna, MB, Bouyer, DH, Freitas, RN, Walker, DH, Mafra, CL & Galvao, MAM 2010, 'Rickettsia in synanthropic and domestic animals and their hosts from two areas of low endemicity for Brazilian spotted fever in the Eastern Region of Minas Gerais, Brazil', American Journal of Tropical Medicine and Hygiene, vol. 83, no. 6, pp. 1305-1307. https://doi.org/10.4269/ajtmh.2010.10-0239

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abstract = "The aim of this study was to understand the current epidemiology of rickettsial diseases in two rickettsial-endemic regions in Brazil. In the municipalities of Pingo D'Agua and Santa Cruz do Escalvado, among serum samples obtained from horses and dogs, reactivity by immunofluorescent assay against spotted fever group rickettsiae was verified. In some serum samples from opossums (Didelphis aurita) captured in Santa Cruz do Escalvado, serologic response against rickettsiae was also verified. Polymerase chain reaction identified rickettsiae only in ticks and fleas obtained in Santa Cruz do Escalvado. Rickettsiae in samples had 100% sequence homology with Rickettsia felis. These results high-light the importance of marsupials in maintenance of the sylvatic cycle of rickettsial disease and potential integration with the domestic cycle. Our data also support the importance of horses and dogs as sentinels in monitoring circulation of rickettsiae in an urban area.",

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AB - The aim of this study was to understand the current epidemiology of rickettsial diseases in two rickettsial-endemic regions in Brazil. In the municipalities of Pingo D'Agua and Santa Cruz do Escalvado, among serum samples obtained from horses and dogs, reactivity by immunofluorescent assay against spotted fever group rickettsiae was verified. In some serum samples from opossums (Didelphis aurita) captured in Santa Cruz do Escalvado, serologic response against rickettsiae was also verified. Polymerase chain reaction identified rickettsiae only in ticks and fleas obtained in Santa Cruz do Escalvado. Rickettsiae in samples had 100% sequence homology with Rickettsia felis. These results high-light the importance of marsupials in maintenance of the sylvatic cycle of rickettsial disease and potential integration with the domestic cycle. Our data also support the importance of horses and dogs as sentinels in monitoring circulation of rickettsiae in an urban area.

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Rickettsia in synanthropic and domestic animals and their hosts from two areas of low endemicity for Brazilian spotted fever in the Eastern Region of Minas Gerais, Brazil

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