Journal article
A broad-range survey of ticks from livestock in Northern Xinjiang: changes in tick distribution and the isolation of Borrelia burgdorferi sensu stricto
Parasites & vectors, Vol.8, 449
2015
PMCID: PMC4560164
PMID: 26337627
Abstract
Background: Borreliosis is highly prevalent in Xinjiang Uygur Autonomous Region, China. However, little is known about the presence of Borrelia pathogens in tick species in this region, in addition Borrelia pathogens have not been isolated from domestic animals. Methods: We collected adult ticks from domestic animals at 19 sampling sites in 14 counties in northern Xinjiang from 2012 to 2014. Ticks were identified to species by morphology and were molecularly analysed by sequences of mitochondrial 16S rDNA gene; 4-8 ticks of each species at every sampling site were sequenced. 112 live adult tickswere selected for each species in every county, and were used to culture Borrelia pathogens; the genotypes were then determined by sequences of the 5S-23S rRNA intergenic spacer and the outer surface protein A (ospA) gene. Results: A total of 5257 adult ticks, belonging to four genera and seven species, were collected. Compared with three decades ago, the abundance of the five common tick species during the peak ixodid tick season has changed. Certain tick species, such as Rhipicephalus turanicus (Rh. turanicus), was found at Jimusaer, Yining, Fukang, and Chabuchaer Counties for the first time. Additionally, the sequence analyses showed that the Hyalomma asiaticum (Hy. asiaticum), Haemaphysalis punctata (Ha. punctata), and Dermacentor marginatus (D. marginatus) that were collected from different sampling sites (≥3 sites) shared identical 16S rDNA sequences respectively. For the tick species that were collected from the same county, such as Hy. asiaticum from Shihezi County and Rh. turanicus from Yining County, their 16S rDNA sequences showed genetic diversity. In addition, sixteen Borrelia isolates were found in Hy. asiaticum, Ha. punctata, D. marginatus and Rh. turanicus, which infested cattle, sheep, horse and camel in Yining, Chabuchaer, Shihezi and Shawan Counties. All of the isolates were genetically identified as B. Burgdorferi sensu stricto. Conclusions: Warmer and wetter climate may have contributed to the altered distribution and abundance of the five most common ticks in northern Xinjiang. The genetic analyses showed that certain tick species, such as Hy. asiaticum or Rh. turanicus, exhibit genetic commonness or diversity. Additionally, this study is the first to isolate B. burgdorferi sensu stricto in Hy. asiaticum asiaticum, H. punctata, D. nuttalli and D. marginatus ticks from domestic animals. These ticks may transmit borreliosis among livestock.
Details
- Title
- A broad-range survey of ticks from livestock in Northern Xinjiang: changes in tick distribution and the isolation of Borrelia burgdorferi sensu stricto
- Authors
- Yuan-Zhi Wang (Author) - Shihezi University, ChinaLu-Meng Mu (Author) - Shihezi University, ChinaKe Zhang (Author) - Pingdingchan University, ChinaMei-Hua Yang (Author) - Shihezi University, ChinaLin Zhang (Author) - Jinan Center for Disease Control and Prevention, ChinaJing-Ynu Du (Author) - Shihezi University, ChinaZhi-Qiang Liu (Author) - Shihezi University, ChinaYong-Xiang Li (Author) - Shihezi University, ChinaWei-Hua Lu (Author) - Shihezi University, ChinaChuang-Fu Chen (Author) - Shihezi University, ChinaYan Wang (Author) - Shihezi University, ChinaRong-Gui Chen (Author) - Ili Center of Animal and Disease Control and Diagnosis, ChinaJun Xu (Author) - Xiang Entry, ChinaLi Yuan (Author) - Shihezi University, ChinaWan-Jiang Zhang (Author) - Shihezi University, ChinaWei-Ze Zuo (Author) - Shihezi University, ChinaRenfu Shao (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
- Publication details
- Parasites & vectors, Vol.8, 449; 9
- Publisher
- BioMed Central Ltd.
- Date published
- 2015
- DOI
- 10.1186/s13071-015-1021-0
- ISSN
- 1756-3305
- PMID
- 26337627; PMC4560164
- Copyright note
- Copyright © 2015 Wang et al. Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link tothe Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
- Organisation Unit
- School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering; Centre for Bioinnovation
- Language
- English
- Record Identifier
- 99449308902621
- Output Type
- Journal article
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