Molecular characterization and sequence analysis of the 2B region of Aichivirus C strains in Japan and Thailand
Aichivirus C is the third species in the genus Kobuvirus, family Picornaviridae, and the virus is circulating in pigs worldwide. Aichivirus A in humans and Aichivirus B in cows have been shown to associate with diarrheal diseases, however, the pathogenesis of Aichivirus C has not been demonstrated c...
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| Main Authors: | , , , , , , , , , |
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| Format: | Journal |
| Published: |
2018
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| Online Access: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84901754593&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/45706 |
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| Institution: | Chiang Mai University |
| Summary: | Aichivirus C is the third species in the genus Kobuvirus, family Picornaviridae, and the virus is circulating in pigs worldwide. Aichivirus A in humans and Aichivirus B in cows have been shown to associate with diarrheal diseases, however, the pathogenesis of Aichivirus C has not been demonstrated clearly. In this study, the full genome nucleotide sequence of the Thai strain, CMP06/2007/THA collected from stool sample of a diarrheal piglet was analyzed and identified as a variant type with a 90-nt deletion in the 2B-coding region. In addition, molecular characterization of nucleotide sequences of the 2B-coding region of Aichivirus C strains from six diarrheal and six healthy piglets in Thailand, and four strains from healthy pigs in Japan revealed that all of the strains in this study were variant types. These findings indicate that variant strains of Aichivirus C are circulating in Asian countries such as China, Thailand and Japan, and deletion of tandem repeat of 2B-region is unlikely to associate with the pathogenesis of the virus. © 2014 Elsevier B.V. |
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