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Published on: December 4, 2015
The first isolation of porcine circovirus type 2e from a Korean pig
Kee Hwan Park1, Taehwan Oh1, Hyejean Cho1
1Department of Veterinary Pathology, College of Veterinary Medicine, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea.
Abstract:
This study describes the first isolation and genetic characterization of the newly emerging porcine circovirus type 2e (PCV2e) from Korean pigs. The PCV2e isolate did not produce a cytopathic effect in PCV-free PK-15 cells; therefore, PCV2e infection was demonstrated by immunohistochemistry with polyclonal PCV2a antibodies and polymerase chain reaction with primers specific for PCV2e. As the infected PCV-free PK-15 cells were passaged, the amount of infectious virus correlated with an increase in the amount of viral DNA (i.e., a decrease in the cycle threshold values. A full genomic analysis of the PCV2e strain SNUVR199711 was performed and showed that the genome is 1,777 nucleotides in length.
