Genome sequence of a mallard duck origin cyclovirus, DuACyV-1
The genome sequence of a novel avian cyclovirus is described in this study. The genome size and orientation of predicted genes was similar to those described in other vertebrate and insect origin cycloviruses. The greatest genome sequence identity was shared with a dragonfly cyclovirus (nt, 60.6%). Phylogenetic analysis showed marginal relatedness with another avian cyclovirus, the chicken associated cyclovirus 1. In contrast, along a short fragment of the replication-associated protein coding gene (rep) (spanning nt 1240-1710) the duck origin cyclovirus was very similar to human origin and honey bee origin rep sequences (human – TN4, 98%; honey bee – hb10, 100%). Related cyclovirus strains existing amongst various animal species living in diverse ecosystems and separated by large geographic distances show the need for additional studies to better understand the ecology and epidemiology of cycloviruses.
Publisher URL: https://link.springer.com/article/10.1007/s00705-017-3566-z
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