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- Title
Isolation, Genome Phylogenetic Analysis and In vitro Rescue of a Newly Emerging Porcine Circovirus Type 2.
- Authors
Weijuan Zhu; Xiaofeng Ren
- Abstract
Porcine circovirus type 2 (PCV2) is the major causative agent of post-weaning multisystemic wasting syndrome (PMWS). Infection by PCV2 may cause heavy losses in pig industry. In this study, we report the isolation of a newly emerging PCV2 from northeastern China. The complete genome of the PCV2 isolate named PCV2-LJR contains 1766 nucleotides and was compared with reference sequences published in GenBank followed by topology analysis of the resulting phylogenetic tree. The data indicated that the prevalent PCV2 isolates in the northeastern China had close relationship, although various genotypes of PCV2 existed. In addition, by gene recombination and transfection techniques, the PCV2 infectious clone was achieved and was able to rescue virus in vitro determined by indirect immunofluorescence assay and PCR. The obtained biological materials may be used for biological characterization of PCV2.
- Subjects
CHINA; VIRUS isolation; VIRUS diseases in swine; CIRCOVIRUS diseases; VIRUS phylogeny; VIRAL genomes; IMMUNOFLUORESCENCE; POLYMERASE chain reaction
- Publication
Pakistan Veterinary Journal, 2012, Vol 32, Issue 2, p165
- ISSN
0253-8318
- Publication type
Article