Rotavirus and Norovirus are major causative agents of acute diarrhea and gastroenteritis. In our study, Each viral RNA was isolated from the feces of patients for viral diarrhea in Korea, respectively. And cDNA library were constructed using RT-PCR. Also, cDNAs encoding VP8 derived from Rotavirus and Capsid protein derived from norovirus were subesequently cloned and expressed in Echerichia coli as a fusion antigen. Molecular weight of fusion antigen was approximately 60kDa. Also, substantial overexpression was accomplished. We yielded egg yolk lgY which is potentially useful in controlling of Rotavirus and Norovirus which are one of the most prevalent pathogenic viruses.
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