Diversity of rickettsiae in ticks (Acari: Ixodidae) collected from wild vertebrates in part of the Amazon, Cerrado, and Pantanal biomes in Brazil.

IF 1.3 4区农林科学 Q2 Veterinary Revista Brasileira De Parasitologia Veterinaria Pub Date : 2023-10-13 eCollection Date: 2023-01-01 DOI:10.1590/S1984-29612023059

Anny Carolina Prati, Maerle Oliveira Maia, Thiago Fernandes Martins, Thaís Oliveira Morgado, Sandra Helena Ramiro Corrêa, Edson Junior Figueiredo Mendes, Rosa Helena Dos Santos Ferraz, Jessica Rhaiza Mudrek, Christine Strüssmann, Dirceu Guilherme de Souza Ramos, Thiago Borges Fernandes Semedo, Make Kawatake Minetto, Daniel Moura de Aguiar, Richard Campos Pacheco, Andréia Lima Tomé Melo

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Abstract

Ticks parasitizing 102 wild animals in the states of Mato Grosso and Goiás, Brazil were collected between 2015 and 2018. A total of 2338 ticks (865 males, 541 females, 823 nymphs, and 109 larvae) belonging to four genera (Amblyomma, Dermacentor, Haemaphysalis, and Rhipicephalus) and at least 21 species were identified. DNA extraction and a molecular survey for rickettsial agents were performed on 650 ticks. The results revealed parasitism by the following species: Rickettsia amblyommatis in Amblyomma cajennense s.s., A. cajennense s.l., Amblyomma coelebs, Amblyomma humerale, Amblyomma longirostre, Amblyomma nodosum, Amblyomma scalpturatum, Amblyomma sculptum, and Amblyomma romitii; Rickettsia parkeri in Amblyomma nodosum, Amblyomma ovale, Amblyomma scalpturatum, and Amblyomma triste; Rickettsia rhipicephali in Haemaphysalis juxtakochi; Rickettsia sp. in A. cajennense s.s., A. nodosum, and A. sculptum, and lastly, 'Candidatus Rickettsia andeanae' in Amblyomma parvum and Rhipicephalus microplus. This study expands the body of knowledge about tick parasitism among wild animals, including new data concerning tick-host associations, and provides information about the epidemiology of tick-borne pathogens in the Center-West region of Brazil.

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蜱中立克次体的多样性（Acari:Ixodiae）采集自巴西亚马逊、塞拉多和潘塔纳尔生物群落的部分野生脊椎动物。

2015年至2018年间，在巴西马托格罗索州和戈亚斯州采集了寄生在102只野生动物身上的蜱虫。共鉴定出2338只蜱虫（865只雄性，541只雌性，823只若虫和109只幼虫），隶属于四个属（Amblyomma，Dermacentor，Haemaphysalis和Rhipipcephalus），至少有21种。对650只蜱进行了DNA提取和立克次体病原体的分子调查。结果表明：安氏立克次体寄生于卡氏Amblyoma cajennense s.s.、A.cajennesse s.l.、体腔Amblyomas coelebs、肱骨Amblyomar humerale、长柄Amblyomam longirostre、结节Amblyoma nodosum、头皮Amblyomma sculptum和romitii Amblyomm；结节性Amblyoma、卵状Amblyomma、头皮Amblyoma和三酸Amblyomm中的parkeri立克次体；胡氏血蜱中的rhipiccephali立克次体；A.cajennense s.s.、A.nodosum和A.sculptum中的立克次体属，最后是Amblyomma parvum和Rhipicehalus microplus中的“Candidatus Rickettsia andeanae”。这项研究扩展了关于野生动物中蜱虫寄生的知识体系，包括关于蜱虫宿主关联的新数据，并提供了关于巴西中西部地区蜱传病原体流行病学的信息。

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来源期刊

Revista Brasileira De Parasitologia Veterinaria PARASITOLOGY-VETERINARY SCIENCES

CiteScore

2.60

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： La revista es un órgano de difusión del Colegio Brasileño de Parasitología Veterinaria, con una especificidad dentro de esa área, la difusión de los resultados de la investigación brasileña en las áreas de Helmintología, Protozoología, Entomología y agentes transmitidos por artrópodos, relacionados con la salud animal.