Kwak Dongmi, Seo Min-Goo
College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Korea.
Cardiovascular Research Institute, Kyungpook National University, Daegu 41944, Korea.
Pathogens. 2020 Sep 20;9(9):768. doi: 10.3390/pathogens9090768.
Tick-borne pathogens cause economically significant diseases in cattle. spp. are parasitic protozoa and the causative agent of bovine theileriosis. Here we report the distribution and risk factors of bovine using blood samples taken between 2018 and 2019. Of 737 tested cattle, nine animals (1.2%) were positive for infection by 18S rRNA gene amplification. Further analysis of the infected samples using the major piroplasm surface protein (MPSP) gene revealed five different genotypes circulating in the population: Types 1, 2, 3, 7, and N3. To the best of our knowledge, this is the first research to describe the existence of the MPSP genotype N3 in South Korea. Although the prevalence of bovine was low, our study offers data on the geographical distribution and prevalence of bovine spp. in South Korea. Further studies are warranted to determine the correlation of clinical symptoms with parasite MPSP genotypes. Our data provide epidemiological information to help control bovine theileriosis in South Korea.
蜱传病原体可导致牛群出现具有经济重要性的疾病。泰勒虫属是寄生性原生动物,也是牛泰勒虫病的病原体。在此,我们利用2018年至2019年采集的血液样本报告了牛泰勒虫的分布及风险因素。在737头接受检测的牛中,有9头(1.2%)通过18S rRNA基因扩增检测出泰勒虫感染呈阳性。利用主要梨形虫表面蛋白(MPSP)基因对感染样本进行进一步分析,发现有5种不同的基因型在牛群中传播:1型、2型、3型、7型和N3型。据我们所知,这是首次描述韩国存在MPSP基因型N3的研究。尽管牛泰勒虫的流行率较低,但我们的研究提供了韩国牛泰勒虫属的地理分布和流行率数据。有必要进一步开展研究以确定临床症状与寄生虫MPSP基因型之间的相关性。我们的数据提供了流行病学信息,有助于韩国防控牛泰勒虫病。