Novel Babesia and Hepatozoon agents infecting non-volant small mammals in the Brazilian Pantanal, with the first record of the tick Ornithodoros guaporensis in Brazil

被引：47

作者：

Wolf, Rafael William ^{[1
]}

Aragona, Monica ^{[2
,3
]}

Munoz-Leal, Sebastian ^{[4
]}

Pinto, Leticia Borges ^{[1
]}

Tome Melo, Andreia Lima ^{[1
]}

Braga, Isis Assis ^{[1
]}

Costa, Jackeliny dos Santos ^{[1
]}

Martins, Thiago Fernandes ^{[4
]}

Marcili, Arlei ^{[4
]}

Pacheco, Richard de Campos ^{[1
]}

Labruna, Marcelo B. ^{[4
]}

Aguiar, Daniel Moura ^{[1
,3
]}

机构：

[1] Univ Fed Mato Grosso, Fac Med Vet, Av Fernando Correa 2367, BR-78060900 Cuiaba, MT, Brazil

[2] Univ Fed Mato Grosso, Inst Engn, Varzea Grande, MT, Brazil

[3] Inst Nacl Ciencia & Tecnol Areas Umidas, Sao Paulo, Brazil

[4] Univ Sao Paulo, Fac Med Vet & Zootecnia, Sao Paulo, SP, Brazil

来源：

TICKS AND TICK-BORNE DISEASES | 2016年 / 7卷 / 03期

基金：

巴西圣保罗研究基金会;

关键词：

Hepatozoon; Babesia; Ornithodoros; Amblyomma; Small mammals; Pantanal; RICKETTSIAL INFECTION; SOUTHEASTERN BRAZIL; AMBLYOMMA-TRISTE; ACARI IXODIDAE; SPOTTED-FEVER; MATO-GROSSO; MOLECULAR-DETECTION; WESTERN-HEMISPHERE; ATLANTIC FOREST; WILD BIRDS;

D O I：

10.1016/j.ttbdis.2016.01.005

中图分类号：

R51 [传染病];

学科分类号：

100401 ;

摘要：

Taking into account the diversity of small terrestrial mammals of the Pantanal, the present study aimed to verify the occurrence of infection by Ehrlichia spp., Anaplasma spp., Rickettsia spp., Hepatozoon spp., Babesia spp. and parasitism by ticks in non-volant small mammals collected in the Brazilian Pantanal. Samples of blood, liver and spleen were collected from 64 captured animals, 22 marsupials and 42 rodents. Pathogen detection was performed by the use of genus-specific Polymerase Chain Reaction (PCR) assays. Ticks collected from the animals consisted of Amblyomma sculptum and Amblyomma triste nymphs, and Ornithodoros guaporensis larvae. None of the vertebrate samples (blood, liver, or spleen) yielded detectable DNA of Rickettsia spp. or Ehrlichia spp. The blood of the rodent Hylaeamys mega-cephalus yielded an Anaplasma sp. genotype (partial 16S rRNA gene) 99% similar to multiple Anaplasma spp. genotypes around the world. The blood of three rodents of the species Calomys callosus were positive for a novel Hepatozoon sp. agent, phylogenetically related (18S rDNA gene) to distinct Hepatozoon genotypes that have been detected in rodents from different parts of the world. One marsupial (Monodelphis domestica) and three rodents (Thrichomys pachyurus) were positive to novel piroplasmid genotypes, phylogenetically (18S rDNA gene) related to Theileria bicornis, Cytauxzoon manul, and Cytauxzoon fells. The present study provides the first molecular detection of Hepatozoon sp. and piroplasmids in small mammals in Brazil. Additionally, we expanded the distribution of O. guaporensis to Brazil, since this tick species was previously known to occur only in Bolivia. (C) 2016 Elsevier GmbH. All rights reserved.

引用

页码：449 / 456

页数：8

共 1 条

[1] Molecular detection of Rickettsia spp. in ticks associated with non-volant small mammals from the Brazilian Cerrado, with notes on a divergent morphotype of Ornithodoros guaporensis
Pacheco, Thabata dos Anjos
Munoz-Leal, Sebastian
Maia, Maerle O.
Martins, Thiago F.
de Oliveira, Glauber M. B.
Fonseca, Eduardo P.
Pedroni, Fernando
Rossi, Rogerio V.
Pacheco, Richard C.
INTERNATIONAL JOURNAL OF ACAROLOGY, 2021, 47 (03) : 175 - 184

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