Genetic variability and phylogenetic analysis of Lagovirus europaeus strains GI.1 (RHDV) and GI.2 (RHDV2) based on the RNA-dependent RNA polymerase (RdRp) coding gene

Acta biochimica Polonica
Beata Hukowska-Szematowicz

Abstract

Lagovirus europaeus GI.1 (RHDV-rabbit haemorrhagic disease virus) and GI.2 (RHDV2-rabbit haemorrhagic disease virus 2), family Caliciviridae, genus Lagovirus, are etiological factors of the rabbit haemorrhagic disease (RHD). This small RNA virus is a great model for tracking the variability and evolution of RNA viruses, because it uses an RNA-dependent RNA polymerase (RdRp) to replicate its own genetic material. This polymerase determines the fidelity and the rates of replication and mutation of the virus, conditioning its adaptation to the environment and even to a new host, and thus influencing evolution of the virus. The aim of this study was to determine the genetic variability and phylogenetic relationships of 105 Lagovirus europaeus strains with different genotypes based on the RdRp gene. The strains came from around the world in the years of 1987-2017. The aforementioned group of 105 strains included 14 strains whose RdRp sequences were obtained and analysed in this study, and the rest were retrieved from GenBank: 74 strains classified as genotype GI.1 (RHDV), 14 as GI.2 (RHDV2), 2 strains of Lagovirus europaeus not assigned to any genotype, and a MRCV strain, the sequences of which were collected from GenBank. Among the...Continue Reading

Citations

Sep 4, 2020·Viruses·Beata Hukowska-SzematowiczBeata Burzyńska
Oct 27, 2020·Bioscience Trends·Xueqin DongCuirong Zhao
Dec 20, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Bwalya A WitikaRoderick B Walker

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