Dataset Information

Complete genome of a porcine calicivirus strain in Anhui province, China, is significantly shorter than that of the other Chinese strain.

ABSTRACT: Caliciviruses that cause diarrhea have been reported in both industrial and developing countries, including China, in recent years. Here, we report the complete genome of a porcine calicivirus strain, Ah-1, which is prevalent in swine groups in Anhui Province. This viral genome is 7,342 nucleotides (nt) long, excluding the poly(A) of the 3' end, which is 202 nt shorter in the 3' untranslated region (UTR) than that of the other Chinese porcine calicivirus strain (Ch-sw-sav1; GenBank accession number FJ387164), previously isolated in the Shanghai area, China, though they shared 98.8% sequence identity over the whole genome excluding the 202-nt-shorter region.

SUBMITTER: Fan K

PROVIDER: S-EPMC3503037 | biostudies-literature | 2012 Dec

REPOSITORIES: biostudies-literature

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Complete genome of a porcine calicivirus strain in Anhui province, China, is significantly shorter than that of the other Chinese strain.

Fan Kezhang K Wang Rong R

Journal of virology 20121201 24

Caliciviruses that cause diarrhea have been reported in both industrial and developing countries, including China, in recent years. Here, we report the complete genome of a porcine calicivirus strain, Ah-1, which is prevalent in swine groups in Anhui Province. This viral genome is 7,342 nucleotides (nt) long, excluding the poly(A) of the 3' end, which is 202 nt shorter in the 3' untranslated region (UTR) than that of the other Chinese porcine calicivirus strain (Ch-sw-sav1; GenBank accession num ...[more]

PMID: 23166238

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Project description:BackgroundAnhui Province in China is facing a severe HIV epidemic with an increasing number of newly diagnosed cases.MethodsIn this study, HIV genetic characteristics in the province were investigated. Newly reported HIV-positive individuals from 15 districts of Anhui Province were enrolled and interviewed. Total viral RNA was extracted from plasma isolated from blood samples. We amplified and sequenced an HIV pol fragment of the 1062 bp. The sequences were used for determination of HIV subtypes and the presence of drug resistance mutations. Transmission networks were constructed to explore possible relationships. And all of assembled partial pol genes were submitted to the Stanford HIV Drug Resistance Database website to find the transmitted drug resistance.ResultsPartial pol gene sequences were obtained from 486 cases. The results showed that MSM was the most dominant transmission route (253, 52.06%), followed by heterosexual transmission (210, 43.21%) and blood-borne transmission (1, 0.21%). Many subtypes were identified, including CRF01_AE (226, 46.50%), CRF07_BC (151, 31.07%), subtype B (28, 5.76%), CRF08_BC (20, 4.12%), CRF55_01B (15, 3.09%), CRF68_01B (7, 1.44%), CRF67_01B (3, 0.62%), CRF57_BC (2, 0.41%), CRF59_01B (2, 0.41%), CRF79_0107 (2, 0.41%), subtype C (2, 0.41%), CRF64_BC (1, 0.21%), and circulating recombinant forms (URFs) (27, 5.55%). Four transmission subnetworks containing high transmission risk individuals (with degree ≥4) were identified based on CRF01_AE and CRF07_BC sequences, including two CRF01_AE transmission subnetworks constituted by elderly people with average ages of 67.9 and 61.5 years. Infection occurred most likely through heterosexual transmission, while the other two CRF07_BC transmission subnetworks consist mainly of MSMs with average ages of 31.73 and 34.15. The level of HIV-transmitted drug resistance is 3.09%.ConclusionsThe simultaneous spread of multiple HIV subtypes in Anhui province underscores that close surveillance of the local HIV epidemic is necessary. Furthermore, the elderly people were frequently involved, arguing for behaviour intervention in this specific population besides the MSM risk group.

Dataset Information

Complete genome of a porcine calicivirus strain in Anhui province, China, is significantly shorter than that of the other Chinese strain.

Publications

Complete genome of a porcine calicivirus strain in Anhui province, China, is significantly shorter than that of the other Chinese strain.

Similar Datasets

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