Detection of canine circovirus in dogs infected with canine parvovirus
2022
Faraji, Reza | Sadeghi, Mostafa | Mozhgani, Sayed-Hamidreza | Vasinioti, Violetta | Ndiana, Linda Amarachi | Desario, Costantina | Beikpour, Farzad | Decaro, Nicola
Since the first detection of canine circovirus (CanineCV), several reports have been published over the last decade about the worldwide distribution of this emerging virus of dogs. In order to investigate the prevalence and genomic features of CanineCV in Iranian dogs, a total of 203 dog faecal samples was collected between February and November 2018 from five different geographical regions and screened by real-time PCR (qPCR). Thirteen dogs (6.4%) tested positive for CanineCV DNA, all being detected in co-infections with the highly virulent canine parvovirus (CPV). Three partial replicase nucleotide sequences of the detected CanineCV strains were obtained and compared with the reference sequences deposited in the GenBank database. The Iranian CanineCV sequences had a nucleotide identity of 96.4-98.2% each to other and of 88.3-98.2% with other sequences available on the GenBank. Phylogenetic analysis showed that the Iranian sequences are more closely related to Turkish strains than to strains reported from other countries. The present study provides new insights into the CanineCV molecular epidemiology and its possible role as a co-infectious pathogen.
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