Rickettsia parkeri in Amblyomma dubitatum ticks in a spotted fever focus from the Brazilian Pampa

Bárbara Weck; Bruno Dall’Agnol; Ugo Souza; Anelise Webster; Bárbara Stenzel; Guilherme Klafke; Jo?o Ricardo Martins; José Reck

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Rickettsia parkeri in Amblyomma dubitatum ticks in a spotted fever focus from the Brazilian Pampa

机译：Rickettsia Parkeri在Amblyomma Dubitatum蜱虫来自巴西潘帕的斑点发烧重点

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Highlights ? Spotted fever is an emergent neglected disease in Brazilian Pampa. ? Rickettsia spp. was investigated in a spotted fever focus in Brazilian Pampa. ? Rickettsia parkeri was detected in Amblyomma dubitatum ticks. ? Rickettsia parkeri seems the major agent of spotted fever in Brazilian Pampa. Abstract Spotted fever is an acute febrile illness, which is considered severely underreported and misdiagnosed in the Brazilian Pampa, caused by tick-borne Rickettsiae . Here, we report an eco-epidemiological investigation of Rickettsia spp. in ticks from a spotted fever focus in Toropi, southern Brazil. Ticks were collected from capybara carcasses and processed individually to obtain genomic DNA. Rickettsia was investigated using PCR that amplified the rickettsial fragments of the gltA , ompA and htrA genes. DNA from Rickettsia parkeri was found in four of 14 Amblyomma dubitatum ticks collected from capybara carcasses in Toropi and the nearby municipality of Quevedos. We also tested 210 A. dubitatum ticks obtained from road-killed capybaras of other localities from the Pampa biome; none of them were positive for Rickettsiae . Thus, in Rio Grande do Sul, two Rickettsia species can be potentially associated to spotted fever: Rickettsia sp. strain Atlantic Rainforest, associated with Amblyomma ovale ticks in the Atlantic Rainforest biome, and R. parkeri , associated both with Amblyomma tigrinum and A. dubitatum ticks in the Pampa biome. Our results reinforce that R. parkeri may be the agent associated with spotted fever in the Brazilian Pampa.

机译：强调？被察觉的发烧是巴西潘帕的紧急忽视疾病。还Rickettia SPP。在巴西帕帕帕的斑点发烧重点中调查了。还在Amblyomma Dubitatum蜱虫中检测到Rickettia Parkeri。还Rickettsia Parkeri似乎是巴西帕普加的斑点发烧的主要因素。摘要发现发烧是一种急性发热性疾病，被蜱传播的Rickettiae造成的巴西帕普加被认为是严重的暴报和误诊。在这里，我们报告了Rickettia SPP的生态流行病学调查。在巴西南部多托的斑点发烧重点的蜱虫。从Capybara屠体收集蜱，并单独处理以获得基因组DNA。使用PCR调查Rickettsia，该PCR扩增Glta，OMPA和HTRA基因的rickettial碎片。来自Rickettsia Parkeri的DNA在14个Amblyomma Dubitatum蜱虫中发现，该蜱虫在多普利·卡马拉·尸体和附近的Quevedos市。我们还测试了210 A.从PAMPA BIOME的其他地方的道路杀死的戴巴拉斯获得了210 A. Dubitatum蜱虫;他们都没有对Rickettiae阳性。因此，在Rio Grande Do Sul中，两种Rickettsia物种可能与被察觉的发烧有关：Rickettia Sp。菌株大西洋雨林，与Amblyomma ovale蜱虫在大西洋雨林生物群系中，以及帕尔梅姆·泰格尼姆和A. Dubitatum在Pampa Biome中蜱虫相关联的R. Parkeri。我们的成果加强了R. Parkeri可能是巴西潘帕中发现的斑点发烧的代理人。

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来源
《Acta tropica: Journal of Biomedical Sciences》 |2017年第1期|共4页
作者
Bárbara Weck; Bruno Dall’Agnol; Ugo Souza; Anelise Webster; Bárbara Stenzel; Guilherme Klafke; Jo?o Ricardo Martins; José Reck;
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作者单位

Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF);

Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF);

Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF);

Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF);

Centro Estadual de Vigilancia em Saúde (CEVS);

Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF);

Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF);

Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF);

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原文格式 PDF
正文语种 eng
中图分类地方病学;
关键词
Ixodidae; Vector-borne disease; Capybara; Zoonosis;

机译：Ixodidae;载体传染性疾病;Capybara;动物病;

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专利

1. Rickettsia parkeri in Amblyomma dubitatum ticks in a spotted fever focus from the Brazilian Pampa [J] . Bárbara Weck, Bruno Dall’Agnol, Ugo Souza, Acta tropica: Journal of Biomedical Sciences . 2017,第1期

机译：Rickettsia Parkeri在Amblyomma Dubitatum蜱虫来自巴西潘帕的斑点发烧重点
2. Spotted fever group Rickettsia in Amblyomma dubitatum tick from the urban area of Campo Grande, Mato Grosso do Sul, Brazil [J] . Matias Jaqueline, Garcia Marcos Valerio, Cunha Rodrigo Casquero, Ticks and tick-borne diseases . 2015,第2期

机译：巴西南马托格罗索州坎波格兰德市区发烧的立克次体斑点斑点
3. Isolation of Rickettsia parkeri and Identification of a Novel Spotted Fever Group Rickettsia sp. from Gulf Coast Ticks (Amblyomma maculatum) in the United States [J] . Christopher D. Paddock, Pierre-Edouard Fournier, John W. Sumner, Applied Microbiology . 2010,第9期

机译：立克次体立克次体的分离和新型斑点热群立克次体的鉴定。来自美国的墨西哥湾沿岸Ti虫（Amblyomma maculatum）
4. Microbial community associated with Amblyomma rotundatum, a parthenogenetic tick from Brazil [C] . CHOUAIA Bessem, SPOLIDORIO Mariana, COLUCCI Mario, Microbial diversity 2011 : environmental stress and adaptation . 2011

机译：与圆形羊膜菌相关的微生物群落，巴西单性生殖tick
5. Ecology of the tick-borne pathogen, Rickettsia parkeri, in its primary vector, Amblyomma maculatum, and select vertebrate hosts [D] . Moraru, Gail Miriam 2012

机译：tick传播的病原体立克次氏体立克次体的主要载体生态盲mac和精选脊椎动物宿主的生态学
6. Isolation of Rickettsia parkeri and Identification of a Novel Spotted Fever Group Rickettsia sp. from Gulf Coast Ticks (Amblyomma maculatum) in the United States [O] . Christopher D. Paddock, Pierre-Edouard Fournier, John W. Sumner, 2010

机译：立克次体立克次体的分离和新型斑点热群立克次体的鉴定。来自美国的墨西哥湾沿岸cks虫（Amblyomma maculatum）
7. Spotted fever group Rickettsia in Amblyomma dubitatum tick from the urban area of Campo Grande, Mato Grosso do Sul, Brazil [O] . Jaqueline Matias, Marcos Valério Garcia, Rodrigo Casquero Cunha, 2015

机译：斑点发烧集团Rickettia在Amblyomma Dubitatum蜱虫来自Campo Grande，Mato Grosso Do Sul，巴西的城市地区
8. Infection of the Gulf Coast Tick, Amblyomma Maculatum (Acari: Ixodidae), with Rickettsia Parkeri: First Report from the State of Delaware. [R] . A. L. Richards D. A. Florn J. Jiang R. G. Robbins 2013

机译：感染海湾海岸蜱，amblyomma maculatum（蜱螨亚纲：Ixodidae），与Rickettsia parkeri：特拉华州的第一份报告。

Rickettsia parkeri in Amblyomma dubitatum ticks in a spotted fever focus from the Brazilian Pampa

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