Dina Ricardo-Caldera , Lyda Espitia-Pérez , Paula A. Avilés-Vergara , Álvaro J. Benítez , Julio Chacón-Pacheco , Jesús Ballesteros-Correa , Ana Negrette-Oquendo , Sara Soto-De León , Catalina Tovar-Acero
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Blood samples from dogs living in the zones were collected in EDTA vacutainer tubes for domestic mammals. Wild mammals were collected using Sherman and Tomahawk traps and mist nets in crops and peridomiciles. T. cruzi DNA was detected using the kinetoplast DNA (kDNA) variable region and the tandem repeat satellite region of T. cruzi as molecular targets. We sampled 168 dogs and 146 wild mammals. The detected prevalence of T. cruzi was 6.37%; the TcI lineage was found in <em>D. marsupialis</em>, <em>H. anomalus</em>, and one canine. A specimen of <em>D. marsupialis</em> with TcI and TcII lineages was also identified. 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引用次数: 0
摘要
克鲁斯锥虫宿主可作为动物、病媒和人类的传染源，导致恰加斯病（CD）在特定地区的传播。传统上，科尔多瓦省并不被认为是南美锥虫病的传播地区；然而，几例南美锥虫病急性病例的报告凸显了研究该地区疾病传播动态的重要性。本研究旨在检测科尔多瓦省家养和野生哺乳动物中的南美锥虫病。2017年，在科尔多瓦省两个市镇的六个村庄开展了一项横断面描述性研究。研究人员用 EDTA 真空采血管采集了生活在这些地区的狗的血液样本，用于采集家养哺乳动物的血液样本。使用谢尔曼式和战斧式诱捕器以及雾网在庄稼地和周边地区收集野生哺乳动物。使用克鲁兹绦虫的动粒 DNA（kDNA）可变区和串联重复卫星区作为分子靶标检测克鲁兹绦虫的 DNA。我们对 168 只狗和 146 只野生哺乳动物进行了采样。检测到的 T. cruzi 感染率为 6.37%；在 D. marsupialis、H. anomalus 和一只犬中发现了 TcI 系。此外，还发现了一个带有 TcI 和 TcII 系的 D. marsupialis 标本。在研究地区的家养动物和野生动物身上都检测到了克鲁兹绦虫的 DNA，这表明寄生虫在家养动物周围的环境中也有传播。D. marsupialis可能是维持该地区野生和家养循环的重要宿主。
Trypanosoma cruzi in domestic and wild mammals in the northeast region of Colombia
Trypanosoma cruzi hosts can serve as a source of infection for animals, vectors, and humans, contributing to the establishment of Chagas disease (CD) in a given area. Traditionally, the Department of Córdoba has not been considered a transmission area for CD; however, the report of several acute cases of Chagas disease highlights the importance of studying the dynamics of disease transmission in this region. This study aimed to detect T. cruzi in domestic and wild mammals in the department of Córdoba. In 2017, a cross-sectional descriptive study was conducted in six villages in two municipalities in the department of Córdoba. Blood samples from dogs living in the zones were collected in EDTA vacutainer tubes for domestic mammals. Wild mammals were collected using Sherman and Tomahawk traps and mist nets in crops and peridomiciles. T. cruzi DNA was detected using the kinetoplast DNA (kDNA) variable region and the tandem repeat satellite region of T. cruzi as molecular targets. We sampled 168 dogs and 146 wild mammals. The detected prevalence of T. cruzi was 6.37%; the TcI lineage was found in D. marsupialis, H. anomalus, and one canine. A specimen of D. marsupialis with TcI and TcII lineages was also identified. T. cruzi DNA was detected in domestic and wild animals in the study area, indicating the circulation of the parasite in peridomestic environments. D. marsupialis may represent an important host in maintaining this region's wild and domestic cycle.
期刊介绍：
The International Journal for Parasitology: Parasites and Wildlife (IJP-PAW) publishes the results of original research on parasites of all wildlife, invertebrate and vertebrate. This includes free-ranging, wild populations, as well as captive wildlife, semi-domesticated species (e.g. reindeer) and farmed populations of recently domesticated or wild-captured species (e.g. cultured fishes). Articles on all aspects of wildlife parasitology are welcomed including taxonomy, biodiversity and distribution, ecology and epidemiology, population biology and host-parasite relationships. The impact of parasites on the health and conservation of wildlife is seen as an important area covered by the journal especially the potential role of environmental factors, for example climate. Also important to the journal is ''one health'' and the nature of interactions between wildlife, people and domestic animals, including disease emergence and zoonoses.
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