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| Isolation and phylogenetic analysis of goose parvovirus isolated in Guangdong province |
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| DOI：10.16768/j.issn.1004-874X.2018.05.017 |
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| Abstract: |
| Two strains of goose parvovirus（ GPV） were isolated from the main goose breeding region in
Guangdong province and were named as GDQY2017 and GDYJ2017，respectively. Phylogenetic analysis of VP gene
showed that 2 isolated GPV strains were clustered into one genetic group，which were far from vaccine strains. The
result of selection pressure analysis showed that 1 site is subject to strong purifying selection. Sequence comparison
showed that the isolated GPV strains contained 22 different amino acid residues with the positively selected site
（Arg116Gln） compared to vaccine strains. |
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