Abstract
The lack of data on the whole-genome analysis of genotype II African swine fever virus (ASFV) isolates significantly hinders our understanding of its molecular evolution, and as a result, the range of single nucleotide polymorphisms (SNPs) necessary to describe a more accurate and complete scheme of its circulation. In this regard, this study aimed to identify unique SNPs, conduct phylogenetic analysis, and determine the level of homology of isolates obtained in the period from 2019 to 2022 in the central and eastern regions of Russia. Twenty-one whole-genome sequences of genotype II ASFV isolates were assembled, analyzed, and submitted to GenBank. The isolates in eastern Russia form two clades, "Amur 2022" and "Asia". Within the latter clade, five subclusters can be distinguished, each characterized by a unique set of SNPs and indels. The isolates from the central regions of Russia (2019; 2021) form the "Center of Russia" clade, with two subclusters, "Bryansk 2021" and "Center of Russia 2021" (bootstrap confidence index = 99). The presence of the previously unique genetic variant ASFV for the Kaliningrad region in the wild boar population of the Khabarovsk region (eastern Russia; 2021) has also been confirmed.
Published Version
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