Details:

Alternative Title:
PLoS One
Personal Author:
Kim, Jin Il ; Lee, Ilseob ; Park, Sehee ; Lee, Sangmoo ; Hwang, Min-Woong ; ... More +
Kim, Jin Il ; Lee, Ilseob ; Park, Sehee ; Lee, Sangmoo ; Hwang, Min-Woong ; Bae, Joon-Yong ; Heo, Jun ; Kim, Donghwan ; Jang, Seok-Il ; Kim, Kabsu ; Park, Man-Seong Less -
Description:
Influenza A virus (IAV) can infect avian and mammalian species, including humans. The genome nature of IAVs may contribute to viral adaptation in different animal hosts, resulting in gene reassortment and the reproduction of variants with optimal fitness. As seen again in the 2009 swine-origin influenza A H1N1 pandemic, pigs are known to be susceptible to swine, avian, and human IAVs and can serve as a 'mixing vessel' for the generation of novel IAV variants. To this end, the emergence of swine influenza viruses must be kept under close surveillance. Herein, we report the isolation and phylogenetic study of a swine IAV, A/swine/Korea/PL01/2012 (swPL01, H3N2 subtype). After screening nasopharyngeal samples from pigs in the Gyeongsangnam-do region of Korea from December 2011 to May 2012, we isolated the swPL01 virus and sequenced its all of 8 genome segments (polymerase basic 2, PB2; polymerase basic 1, PB1; polymerase acidic, PA; hemagglutinin, HA; nucleocapsid protein, NP; neuraminidase, NA; matrix protein, M; and nonstructural protein, NS). The phylogenetic study, analyzed with reference strains registered in the National Center for Biotechnology Information (NCBI) database, indicated that the swPL01 virus was similar to the North American triple-reassortant swine strains and that the HA gene of the swPL01 virus was categorized into swine H3 cluster IV. The swPL01 virus had the M gene of the triple-reassortant swine H3N2 viruses, whereas that of other contemporary strains in Korea was transferred from the 2009 pandemic H1N1 virus. These data suggest the possibility that various swine H3N2 viruses may co-circulate in Korea, which underlines the importance of a sustained surveillance system against swine IAVs.
Subjects:
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Algorithms Animals Cluster Analysis Hemagglutinin Glycoproteins, Influenza Virus Humans Influenza, Human Influenza A Virus, H3N2 Subtype Orthomyxoviridae Infections Phylogeny Reassortant Viruses Swine Swine Diseases
Source:
PLoS One. 2014; 9(2).
Document Type:
Journal Article
Place as Subject:
Republic of Korea
Collection(s):
CDC Public Access
Main Document Checksum:
[+]
urn:sha256:925964a0a4e065bdd117ab8722bb04967073ef5324675bcfe20db2cf477b9b5b
Download URL:
https://stacks.cdc.gov/view/cdc/27826/cdc_27826_DS1.pdf
File Type:

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