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Furtado MM, Metzger B, de Almeida Jácomo AT, Labruna MB, Martins TF, O'Dwyer LH, Paduan KDS, Porfírio GEO, Silveira L, Sollmann R, Taniwaki SA, Tôrres NM, Neto JSF. Hepatozoon SPP. Infect Free-Ranging Jaguars (Panthera onca) in Brazil. J Parasitol 2017; 103:243-250. [PMID: 28207298 DOI: 10.1645/16-99] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
This study investigated the presence of Hepatozoon spp. in jaguars ( Panthera onca ) and domestic animals in the Cerrado, Amazon, and Pantanal biomes of Brazil. Between February 2000 and January 2010, blood samples were collected from 30 jaguars, 129 domestic dogs ( Canis lupus familiaris), and 22 domestic cats ( Felis catus ) for molecular tests. All of the jaguars from the Pantanal (n = 22) and Cerrado (n = 4) and 3 of 4 jaguars from the Amazon were positive for Hepatozoon spp. Domestic dogs (62.8%) and cats (31.8%) were also positive for the agent. Hepatozoon nucleotide sequences from jaguars and domestic cats grouped with other Hepatozoon felis, whereas Hepatozoon from domestic dogs showed high similarity to Hepatozoon canis. Different species of Amblyomma were identified as parasitizing the jaguars and may act as vectors for Hepatozoon spp. Jaguars from the 3 sites were healthy and did not seem to be threatened by the hemoparasite within its population or environments. Most likely, jaguars play an important role in the maintenance of Hepatozoon spp. in nature.
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Affiliation(s)
- Mariana Malzoni Furtado
- * Jaguar Conservation Fund/Instituto Onça-Pintada, Caixa Postal 193, 75830-000, Mineiros-GO, Brazil
| | | | | | | | | | | | | | - Grasiela E O Porfírio
- * Jaguar Conservation Fund/Instituto Onça-Pintada, Caixa Postal 193, 75830-000, Mineiros-GO, Brazil
| | - Leandro Silveira
- * Jaguar Conservation Fund/Instituto Onça-Pintada, Caixa Postal 193, 75830-000, Mineiros-GO, Brazil
| | - Rahel Sollmann
- * Jaguar Conservation Fund/Instituto Onça-Pintada, Caixa Postal 193, 75830-000, Mineiros-GO, Brazil
| | | | - Natália Mundim Tôrres
- * Jaguar Conservation Fund/Instituto Onça-Pintada, Caixa Postal 193, 75830-000, Mineiros-GO, Brazil
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Luz HR, McIntosh D, Furusawa GP, Flausino W, Rozental T, Lemos ERS, Landulfo GA, Faccini JLH. Infection of Amblyomma ovale with Rickettsia species Atlantic rainforest in Serra do Mar, São Paulo State, Brazil. Ticks Tick Borne Dis 2016; 7:1265-1267. [PMID: 27430967 DOI: 10.1016/j.ttbdis.2016.07.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 06/29/2016] [Accepted: 07/04/2016] [Indexed: 10/21/2022]
Abstract
Rickettsia rickettsii and Rickettsia sp. strain Atlantic rainforest, that is considered to represent a genetic variant of Rickettsia parkeri, are confirmed as being capable of infecting humans in Brazil. This study reports the detection and characterization, by PCR and nucleotide sequencing, of Rickettsia sp. strain Atlantic rain forest in Amblyomma ovale parasitizing a human, in ticks infesting dogs and in free-living ticks collected from the environment where the human infestation was recorded. The data contribute to our knowledge of infection rates in A. ovale with Rickettsia sp. strain Atlantic rainforest and identified an additional location in the state of São Paulo populated with ticks infected with this emerging pathogen.
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Affiliation(s)
- Hermes Ribeiro Luz
- Departamento de Parasitologia Animal, Universidade Federal Rural do Rio de Janeiro, Seropédica, RJ, Brazil.
| | - Douglas McIntosh
- Departamento de Parasitologia Animal, Universidade Federal Rural do Rio de Janeiro, Seropédica, RJ, Brazil
| | - Guilherme P Furusawa
- Departamento de Parasitologia Animal, Universidade Federal Rural do Rio de Janeiro, Seropédica, RJ, Brazil
| | - Walter Flausino
- Departamento de Parasitologia Animal, Universidade Federal Rural do Rio de Janeiro, Seropédica, RJ, Brazil
| | - Tatiana Rozental
- Laboratório de Hantaviroses e Rickettsioses, Instituto Oswaldo Cruz, FIOCruz, Pavilhão Hélio e Peggy Pereira, 1° andar, Av. Brasil 4365, Manguinhos, Rio de Janeiro, RJ 21045-900, Brazil
| | - Elba R S Lemos
- Laboratório de Hantaviroses e Rickettsioses, Instituto Oswaldo Cruz, FIOCruz, Pavilhão Hélio e Peggy Pereira, 1° andar, Av. Brasil 4365, Manguinhos, Rio de Janeiro, RJ 21045-900, Brazil
| | - Gabriel A Landulfo
- Departamento de Parasitologia Animal, Universidade Federal Rural do Rio de Janeiro, Seropédica, RJ, Brazil
| | - João Luiz H Faccini
- Departamento de Parasitologia Animal, Universidade Federal Rural do Rio de Janeiro, Seropédica, RJ, Brazil
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Barbieri JM, Da Rocha CMBM, Bruhn FRP, Cardoso DL, Pinter A, Labruna MB. Altitudinal Assessment of Amblyomma aureolatum and Amblyomma ovale (Acari: Ixodidae), Vectors of Spotted Fever Group Rickettsiosis in the State of São Paulo, Brazil. JOURNAL OF MEDICAL ENTOMOLOGY 2015; 52:1170-1174. [PMID: 26336213 DOI: 10.1093/jme/tjv073] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2015] [Accepted: 05/21/2015] [Indexed: 06/05/2023]
Abstract
Amblyomma aureolatum (Pallas) and Amblyomma ovale Koch are common ectoparasites of domestic dogs in São Paulo state, southeastern Brazil, where they are vectors of distinct spotted fever group rickettsioses, one caused by Rickettsia rickettsii (transmitted by A. aureolatum), and the other caused by Rickettsia sp. strain Atlantic rainforest (transmitted by A. ovale). For the present study, we performed an altitudinal assessment of all 1992-2012 records of A. aureolatum and A. ovale retrieved from a tick collection. The municipalities with A. ovale records presented significantly (P < 0.05) lower altitude than the ones with A. aureolatum records; the higher the altitude, the lower the chances for the occurrence of A. ovale and the greater the likelihood for the occurrence of A. aureolatum. Regarding A. aureolatum, the chances of finding it in municipalities between 101 and 700 m are nine times higher than in municipalities at ≤ 100 m, or 31.5 times higher in municipalities above 700 m, when compared with municipalities at ≤ 100 m. The reverse was observed for A. ovale, which had its odds ratio diminishing at higher altitudes. These findings have a major role to public health, as A. aureolatum is associated with the transmission of a highly lethal spotted fever (caused by R. rickettsii), whereas A. ovale is associated with the transmission of a milder spotted fever (caused by Rickettsia sp. strain Atlantic rainforest, a R. parkeri-like agent), both in the state of São Paulo.
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Affiliation(s)
- Jonata M Barbieri
- Veterinary Medicine Department, Federal University of Lavras (UFLA), Caixa Postal 3037, Lavras, MG, 37200-000, Brazil
| | - Christiane M B M Da Rocha
- Veterinary Medicine Department, Federal University of Lavras (UFLA), Caixa Postal 3037, Lavras, MG, 37200-000, Brazil
| | - Fábio Raphael P Bruhn
- Veterinary Medicine Department, Federal University of Lavras (UFLA), Caixa Postal 3037, Lavras, MG, 37200-000, Brazil
| | - Dênis L Cardoso
- Veterinary Medicine Department, Federal University of Lavras (UFLA), Caixa Postal 3037, Lavras, MG, 37200-000, Brazil
| | - Adriano Pinter
- Superintendência de Controle de Endemias (Sucen), Rua Cardeal Arcoverde 2878, Pinheiros, São Paulo, SP, 05408-003, Brazil
| | - Marcelo B Labruna
- Department of Preventive Veterinary Medicine and Animal Health, Faculty of Veterinary Medicine, University of São Paulo, Av. Prof. Orlando Marques de Paiva, 87, Cidade Universitária, São Paulo, SP, 05508-270, Brazil.
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