从大韩民国江原道和京畿道的蜱、啮齿动物和鼩鼱中分离出的蜱媒病原体。

Y J Choi, J Y Kim, T U Kang, H J Park, H C Kim, I Y Lee, S T Choong, D Y Song, T A Klien, J W Song, W J Jang
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引用次数: 0

摘要

蜱媒病原体(TBP)、恙虫病东方蜱、立克次体和包柔氏菌在野生小动物(即野生啮齿类动物)中的流行情况现已得到广泛调查。本研究旨在介绍 2014 年从韩国京畿道和江原道采集的野生小动物和蜱虫中恙虫病原菌、立克次体和鲍曼不动杆菌的流行和分布情况。2014年5月至11月期间,在京畿道和江原道共采集了131只野生小动物、啮齿类动物和鼩鼱,以及2954只蜱虫。野生小动物(KR1-9)和蜱虫(K1-17)按照捕获日期和地点进行了分组。在野生小动物中,共从六个选定的小动物系列(KR1-3、KR6-8)中提取了 393 份组织和血液样本。此外,还对每个日期和地点分组的蜱虫进行了种类鉴定,并根据发育阶段进行了汇总。利用聚合酶链式反应(PCR)对立克次体、 Orientia 和 Borrelia 进行了分子鉴定。为了检测野生小动物和蜱虫中的 TBPs,使用了针对东方虫属 56 kDa 蛋白编码基因、立克次体属外膜蛋白 B 基因(OmpB)和鲍氏杆菌属 5S-23S 基因间距区(IGS)基因的引物组。在393份野生小动物的血液和组织样本中,199份(50.6%)对东方虫属呈阳性,158份(40.2%)对鲍氏杆菌属呈阳性,55份(14.0%)对立克次体属呈阳性。 此外,共有14个蜱池(n = 377)对立克次体属(n=128,34.0%)和鲍氏杆菌属(n=33,8.8%)呈阳性。在啮齿动物和鼩鼱中观察到了高流行率的 Orientia 属和立克次体属。这项研究通过展示 2014 年收集的数据,提出了重要的见解,即 2010 年代中期结核病流行率已经很高。这项研究强调了可持续的结核病例行监测模式。
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Tick-borne pathogens isolated from ticks, rodents, and a shrew in Gangwon and Gyeonggi provinces in the Republic of Korea.

The prevalence of tick-borne pathogens (TBP), Orientia tsutsugamushi, Rickettsia and Borrelia spp. in wild small animals, namely wild rodents, is now widely investigated. This study is to present the prevalence and distribution of O. tsutsugamushi, Rickettsia and Borrelia spp. in wild small animals and ticks collected from Gyeonggi and Gangwon provinces, Republic of Korea (ROK) in 2014. A total of 131 wild small animals, rodents and shrews, and 2,954 ticks were collected from Gyeonggi and Gangwon provinces from May to November 2014. The wild small animals (KR1-9) and ticks (K1-17) were grouped in accordance with capture dates and locations. Among the wild small animals, a total of 393 tissues and blood samples were extracted from six selected small animal series (KR1-3, KR6-8). Also, each date and location-grouped ticks were identified for its species and pooled according to the stage of development. Molecular identification for Rickettsia, Orientia, and Borrelia species was performed using polymerase chain reaction (PCR). To detect TBPs among wild small animals and ticks, primer sets targeting the 56 kDa protein encoding gene of Orientia spp., outer membrane protein B gene (OmpB) of Rickettsia spp., and 5S-23S intergenic spacer region (IGS) gene of Borrelia spp. were used. Of the 393 wild small animals' blood and tissue samples, 199 (50.6%) were positive for Orientia spp., 158 (40.2%) were positive for Borrelia spp., and 55 (14.0%) were positive for Rickettsia spp. Moreover, a total of 14 tick pools (n = 377) was positive for Rickettsia spp. (n=128, 34.0%) and Borrelia spp. (n=33, 8.8%). High prevalence of Orientia spp. and Rickettsia spp. in rodents and shrews were observed. This study presents significant insights by presenting data collected in 2014 that the prevalence of TBP was already high in mid 2010s. This study highlights the sustainable routine surveillance model for TBP.

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