Detection of bat-associated circoviruses in Korean bats = 한국 박쥐에서 박쥐 써코바이러스 검출

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Detection of bat-associated circoviruses in Korean bats = 한국 박쥐에서 박쥐 써코바이러스 검출
G Dhandapani; Sun Woo Yoon; J Y Noh; S S Jang; M C Kim; H A Lim; Y G Choi; Dae Gwin Jeong; H K Kim
Bibliographic Citation
Archives of Virology, vol. 166, no. 11, pp. 3013-3021
Publication Year
In recent years, several novel circular single-stranded DNA viruses have been detected in various mammals, birds, insects, and environmental samples using metagenomic and high-throughput sequencing approaches. In this study, we tested for the presence of circoviruses in 243 bat fecal samples collected between 2018 and 2019 from 48 sampling sites across Korea. To detect circoviruses, nested PCR was performed with degenerate primers targeting a conserved replication-associated protein (rep) gene of circovirus/cyclovirus. Among 243 samples tested, a total of 37 fecal samples from 14 sampling sites were PCR-positive for circoviruses at a frequency rate of 15.23%. We obtained 36 partial rep gene sequences of circoviruses and one complete genome sequence of bat-associated circovirus 12, encompassing a genome size of 2097 nt containing two inversely arranged open reading frames and a conserved nonamer sequence in the apex of a stem-loop structure. In addition, we found four bat species that were harboring circoviruses in Korea based on species identification PCR of circovirus-positive bat fecal samples. Detailed sequence analysis indicated that the bat-associated circovirus sequences identified in this study were related to those of known bat and avian groups of circoviruses. Herein, we report evidence for the presence of bat-associated circoviruses in Korean bats.
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