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Kama virus (KAMV) is an atypical representative of the seabird tick-borne flaviviruses
Virus Genes ( IF 1.6 ) Pub Date : 2021-06-04 , DOI: 10.1007/s11262-021-01849-6
S Y Kovalev 1 , V V Yakimenko 2
Affiliation  

According to modern classification, tick-borne flaviviruses have been divided into a mammalian tick-borne virus group and a seabird tick-borne virus group (STBVG). The STBVG includes the Tyuleniy virus, Meaban virus, Saumarez Reef virus, and the recently discovered Kama virus (KAMV). The latter was isolated from Ixodes lividus, an obligate parasitic tick of the sand martin (Riparia riparia), in 1989 in the central part of the Russian Plain. In 2014, based on molecular genetic analysis, it was shown that KAMV is a new virus belonging to STBVG, genus Flavivirus, fam. Flaviviridae. Very little is known about the Kama virus concerning its range, vectors, and reservoir hosts. GenBank contains a single sequence of the complete genome of this virus. In the present study, the complete genome sequences of two strains, isolated in 1983 in the Omsk region (Western Siberia) from gamasid mites in the nests of rooks (Corvus frugilegus), have been determined. Phylogenetic analyses of their genomes showed a close relationship both with each other (approx. 98.9% nucleotide identity) and with KAMV isolated in European Russia (approx. 98.4% nucleotide identity). The ecological features of KAMV that are due to the species of the vector (gamasid mites) and its hosts (colonial birds of the mainland of Eurasia) indicate that KAMV is an atypical representative STBVG.



中文翻译:

卡马病毒 (KAMV) 是海鸟蜱传黄病毒的非典型代表

根据现代分类,蜱传黄病毒分为哺乳动物蜱传病毒组和海鸟蜱传病毒组(STBVG)。STBVG 包括 Tyuleniy 病毒、Meaban 病毒、Saumarez Reef 病毒和最近发现的 Kama 病毒 (KAMV)。后者是于 1989 年在俄罗斯平原中部从Ixodes lividus中分离出来的,这是一种沙马丁 ( Riparia riparia )的专性寄生蜱。2014年,分子遗传学分析表明,KAMV是一种新病毒,属于STBVG,黄病毒属,fam。黄病毒科. 关于 Kama 病毒的范围、载体和宿主宿主知之甚少。GenBank 包含该病毒完整基因组的单个序列。在本研究中,确定了 1983 年在鄂木斯克地区(西西伯利亚)从乌鸦( Corvus frugilegus )巢中的螨虫中分离的两个菌株的完整基因组序列。它们基因组的系统发育分析表明它们彼此之间(大约 98.9% 的核苷酸同一性)和在俄罗斯欧洲分离的 KAMV(大约 98.4% 的核苷酸同一性)有着密切的关系。KAMV 的生态特征是由于载体(gamasid 螨)及其宿主(欧亚大陆的殖民地鸟类)的种类,表明 KAMV 是一种非典型的代表性 STBVG。

更新日期:2021-06-04
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