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|dc.contributor.other||Thailand-Japan Research Collaboration Center on Emerging and Re-emerging Infections (RCC-ERT||en_US|
|dc.contributor.other||Thailand Ministry of Public Health||en_US|
|dc.identifier.citation||Journal of Medical Virology. Vol.81, No.4 (2009), 657-664||en_US|
|dc.description.abstract||Hepatitis E virus (HEV) infection in pigs was investigated in two principal swine farming areas in Thailand. Anti-HEV antibodies and HEV RNA in sera were examined in 258 pigs reared on five commercial farms from age 1 to 6.5 months and sows. Overall, 167 of 258 (64.7%) pigs were positive for anti-HEV IgG, while 20 of 258 (7.75%) had detectable HEV RNA. Sequence analysis of 20 HEV isolates obtained from viremic pigs revealed thatthey were 92.3-100% identical to each other and had 82.2-88.2% nucleotide similarity to other reported genotype 3 isolates in 415 nucleotide sequences within ORF2 region. Further characterization by sequencing the complete genome of the Thai swine HEV isolate (named Thai-swHEV07) and phylogenetic analysis showed that Thai-swHEV07 segregated into a cluster consisting of swine isolates from Japan, Mongolia, and Kyrgyzstan within the HEV genotype 3. The Thai-swHEV07 had a genomic length of 7,229 nt excluding the polyadenylated region at 3' terminus of the genome. Comparison of Thai-swHEV07 and 27 reported strains of genotype 3 revealed 80.4-85.9% nucleotide identity, with the highest identity of 85.9% to the novel swHEV strain from Mongolia. These findings suggest that genotype 3 HEV isolates are markedly heterogeneous. © 2009 Wiley-Liss, Inc.||en_US|
|dc.subject||Immunology and Microbiology||en_US|
|dc.title||Full-length sequence of genotype 3 hepatitis e virus derived from a pig in Thailand||en_US|
|Appears in Collections:||Scopus 2006-2010|
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