| Full text | |
| Author(s): |
Ogrzewalska, Maria
[1, 2]
;
Schwarcz, Kaiser
[3]
;
Bajay, Miklos M.
[4]
;
Bajay, Stephanie K.
[4]
;
Pinheiro, Jose B.
[4]
;
Zucchi, Maria I.
[5]
;
Pinter, Adriano
[6]
;
Labruna, Marcelo B.
[7]
Total Authors: 8
|
| Affiliation: | [1] Fundacao Oswaldo Cruz, Inst Oswaldo Cruz, Lab Hantaviroses & Rickettsioses, Av Brasil 4365, BR-21045900 Rio De Janeiro, RJ - Brazil
[2] Univ Sao Paulo, Dept Med Vet Prevent & Saude Anim, Fac Med Vet & Zootecnia, Av Prof Orlando Marques Paiva 87, BR-05508270 Sao Paulo, SP - Brazil
[3] Univ Estadual Campinas, Inst Biol, Dept Genet & Evolucao & Bioagentes, R Bertrand Russel S-N, Caixa Postal 6109, BR-13083970 Campinas, SP - Brazil
[4] Univ Sao Paulo, Dept Genet, Escola Super Agr Luiz de Queiroz, Av Padua Dias 11, BR-13418900 Piracicaba, SP - Brazil
[5] Superintendencia Controle Endemias Estado Sao Paul, R Cardeal Arcoverde 2878, BR-05408003 Sao Paulo, SP - Brazil
[6] Agencia Paulista Tecnol Agronegocios, Polo Ctr Sul, Av Barao Itapura 1481, BR-13020902 Campinas, SP - Brazil
[7] Univ Sao Paulo, Dept Med Vet Prevent & Saude Anim, Fac Med Vet & Zootecnia, Sao Paulo, SP - Brazil
Total Affiliations: 7
|
| Document type: | Journal article |
| Source: | Journal of Medical Entomology; v. 53, n. 4, p. 843-850, JUL 2016. |
| Web of Science Citations: | 0 |
| Abstract | |
The hard tick Amblyomma aureolatum (Pallas) is a vector of the bacterium Rickettsia rickettsii, the etiologic agent of Brazilian spotted fever (BSF) in parts of Brazil. Despite its wide distribution in southeastern South America and its public health importance, there is no information about genetic variation of this species that might help to understand the epidemiology of BSF. Using data from eight microsatellite markers and ticks from six localities, we used a population genetics approach to test the hypothesis that tick populations from areas with the presence of R. rickettsii are genetically different from ticks from areas without R. rickettsii. Contrary to expectations, we found low genetic structure between studied regions. Thus, the presence of R. rickettsii in the specific area is more likely correlated with ecological and the environmental conditions or due to unknown gene coding regions of A. aureolatum genome that would be related to R. rickettsii infection resistance. (AU) | |
| FAPESP's process: | 10/50113-8 - Aspectos ecologicos das rickettsioses causadas por rickettsia rickettsii e rickettsia parkeri em areas de mata atlantica no estado de sao paulo. |
| Grantee: | Marcelo Bahia Labruna |
| Support Opportunities: | Regular Research Grants |
| FAPESP's process: | 09/52892-7 - Ecologia da febre maculosa brasileira na regiao metropolitana de sao paulo: avaliacao da infeccao por rickettsia rickettsii em animais silvestres, domesticos e no carrapato vetor amblyomma aureolatum... |
| Grantee: | Maria Halina Ogrzewalska |
| Support Opportunities: | Scholarships in Brazil - Post-Doctoral |