Wild birds as hosts of ticks (Acari: Ixodidae) and Anaplasmataceae (Rickettsiales) in the Atlantic rainforest ecoregion, Argentina.

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY Medical and Veterinary Entomology Pub Date : 2024-10-29 DOI:10.1111/mve.12772
Paula J Vaschalde, Fernando S Flores, Laura B Tauro, Lucas D Monje
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Abstract

This study aimed to assess the presence of Anaplasma, Ehrlichia and Rickettsia species infecting wild birds and their associated ticks in two localities: Moconá Provincial Park (MPP) and Piñalito Provincial Park (PPP), within the Atlantic rainforest ecoregion of Argentina. A total of 142 birds were captured representing 34 species, 28 genera, 15 families and five orders. Ticks were collected from 33 of these birds, comprising 19 species, 14 genera and one order. A total of 59 ticks were collected and identified as Amblyomma calcaratum (13 larvae and four nymphs), Amblyomma longirostre (31 larvae and four nymphs), Amblyomma ovale (one larva and one nymph) and Haemaphysalis leporispalustris (five larvae). All samples were screened for detection of Anaplasma, Ehrlichia and Rickettsia DNA by polymerase chain reaction (PCR) assay. Four bird species tested positive for Anaplasmataceae, with three closely related to Anaplasma and Ehrlichia species previously reported in A. calcaratum adults from a site 15 km away from MPP. The fourth Anaplasmataceae agent was phylogenetically related to Ehrlichia strains reported in Amblyomma triste from the Delta and Parana Islands ecoregion. Additionally, two Rickettsia species were detected and molecularly identified within ticks collected from birds: Rickettsia amblyommatis in A. longirostre larvae and Rickettsia rhipicephali in H. leporispalustris larvae. These findings suggest that birds may play a significant role in the spread of ticks and their associated tick-borne pathogens across diverse biomes.

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阿根廷大西洋雨林生态区野生鸟类作为蜱虫(蛔虫科:Ixodidae)和立克次体(Anaplasmataceae)的宿主。
本研究旨在评估两个地区野生鸟类及其相关蜱虫所感染的阿纳普拉斯马属、埃里希氏菌和立克次体的存在情况:Moconá 省立公园 (MPP) 和 Piñalito 省立公园 (PPP)。共捕获 142 只鸟类,代表 34 种、28 属、15 科和 5 目。从其中 33 只鸟类身上采集到蜱虫,包括 19 种、14 属和 1 目。共采集到 59 只蜱虫,经鉴定分别为:Amblyomma calcaratum(13 只幼虫和 4 只若虫)、Amblyomma longirostre(31 只幼虫和 4 只若虫)、Amblyomma ovale(1 只幼虫和 1 只若虫)和 Haemaphysalis leporispalustris(5 只幼虫)。所有样本均通过聚合酶链式反应(PCR)检测法检测阿纳普拉丝虫、埃立克次体和立克次体的 DNA。四种鸟类的解脲脲原体检测结果呈阳性,其中三种与之前在距离 MPP 15 千米的一个地点报告的钙蝇成虫中的解脲脲原体和埃利希氏原体密切相关。第四个无鞭毛虫科病原体与三角洲和巴拉那群岛生态区报告的Amblyomma triste中的Ehrlichia菌株有系统发育关系。此外,在从鸟类身上采集的蜱虫中检测到两种立克次体,并进行了分子鉴定:在 A. longirostre 幼虫体内发现了 Rickettsia amblyommatis,在 H. leporispalustris 幼虫体内发现了 Rickettsia rhipicephali。这些发现表明,鸟类可能在蜱及其相关蜱传病原体在不同生物群落中的传播中扮演着重要角色。
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来源期刊
Medical and Veterinary Entomology
Medical and Veterinary Entomology 农林科学-昆虫学
CiteScore
3.70
自引率
5.30%
发文量
65
审稿时长
12-24 weeks
期刊介绍: Medical and Veterinary Entomology is the leading periodical in its field. The Journal covers the biology and control of insects, ticks, mites and other arthropods of medical and veterinary importance. The main strengths of the Journal lie in the fields of: -epidemiology and transmission of vector-borne pathogens changes in vector distribution that have impact on the pathogen transmission- arthropod behaviour and ecology- novel, field evaluated, approaches to biological and chemical control methods- host arthropod interactions. Please note that we do not consider submissions in forensic entomology.
期刊最新文献
Issue Information Environmental determinants of West Nile virus vector abundance at the wildlife-livestock interface. Wild birds as hosts of ticks (Acari: Ixodidae) and Anaplasmataceae (Rickettsiales) in the Atlantic rainforest ecoregion, Argentina. Culicoides biting midges in urban areas of northern Spain. Diversity of lice and flea- and lice-borne pathogens in free-ranging dogs in Uzbekistan.
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