捷克共和国南波希米亚的蜱虫及其传播的病原体——蓖麻硬蜱数量、伯氏疏螺旋体和蜱传脑炎病毒流行率的空间变异性
Ticks and tick-borne pathogens in South Bohemia (Czech Republic)--Spatial variability in Ixodes ricinus abundance, Borrelia burgdorferi and tick-borne encephalitis virus prevalence.
作者信息
Hönig V, Svec P, Halas P, Vavruskova Z, Tykalova H, Kilian P, Vetiskova V, Dornakova V, Sterbova J, Simonova Z, Erhart J, Sterba J, Golovchenko M, Rudenko N, Grubhoffer L
机构信息
Faculty of Science, University of South Bohemia, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic; Institute of Parasitology, Biology Centre, AS CR, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic.
Institute of Geoinformatics, VSB - Technical University of Ostrava, 17. listopadu 15, 708 03 Ostrava - Poruba, Czech Republic.
出版信息
Ticks Tick Borne Dis. 2015 Jul;6(5):559-67. doi: 10.1016/j.ttbdis.2015.04.010. Epub 2015 Apr 27.
Spatial distribution of Ixodes ricinus tick host-seeking activity, as well as prevalence of Borrelia burgdorferi sensu lato and tick-borne encephalitis virus (TBEV) were studied in the TBE endemic area of South Bohemia (Czech Republic). High variability in tick abundance detected in a network of 30 study sites was most closely associated with characteristics of vegetation cover. Of 11,182 tested tick samples, 12% carried DNA of spirochete from B. burgdorferi s.l. complex. B. afzelii and B. garinii prevailed among spirochete species. The presence of B. spielmanii in the region was confirmed. The median number of borrelial genome copies in positive samples reached 6.6 × 10(3) by real-time PCR. The total prevalence of TBEV in pooled samples reached 0.32% (20,057 samples tested), at least one TBEV positive tick was present in 21 out of 30 sampling sites.
在捷克共和国南波希米亚的蜱传脑炎（TBE）流行地区，研究了蓖麻硬蜱寻找宿主活动的空间分布以及伯氏疏螺旋体狭义种和蜱传脑炎病毒（TBEV）的流行情况。在30个研究地点的网络中检测到的蜱虫丰度高度可变，这与植被覆盖特征密切相关。在11182个测试的蜱虫样本中，有12%携带来自伯氏疏螺旋体狭义种复合体的螺旋体DNA。阿氏疏螺旋体和伽氏疏螺旋体在螺旋体物种中占主导地位。该地区存在斯氏疏螺旋体得到了证实。通过实时PCR，阳性样本中伯氏疏螺旋体基因组拷贝数的中位数达到6.6×10³。混合样本中TBEV的总流行率达到0.32%（测试了20057个样本），30个采样地点中有21个至少存在一只TBEV阳性蜱虫。
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