Bats are important natural hosts of various zoonotic viruses, including Ebola virus, Lyssa virus, and severe acute respiratory syndrome coronavirus (SARS-CoV). Although investigation of bats is valuable for predicting emerging infectious diseases from these animals, few surveys of bat-derived viruses have been conducted in Japan. In the present study, samples were collected from a total of 132 bats of 4 different species from 4 different locations within Yamaguchi Prefecture; these sample were employed for comprehensive detection of bat-derived viruses by polymerase chain reaction (PCR) and reverse transcription (RT)-PCR using primers universal for each of 4 different viral classes. As a result of PCR and RT-PCR, various herpesviruses, astroviruses, coronaviruses, and adenoviruses were identified from a total of 80 bats. The detected herpesviruses belong to the Betaherpesvirinae or Gammaherpesvirinae subfamily, the detected adenoviruses to the genus Mastadenovirus, the detected astroviruses to the genus Mamastrovirus; and the detected coronaviruses belong to the genus Alphacoronavirus. The detected sequences of 12 strains of 4 families showed 100 % amino acid identity with viruses previously detected either in China or South Korea. These findings expand our understanding of viruses carried by bats, and provide insights into the nature of bat-derived viruses in Japan.
Keywords: Adenovirus; Astrovirus; Bat; Bat-derived virus; Coronavirus; Herpesvirus.
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