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Detection of uncommon rotavirus a strains P[8]G8 and P[4]G8 in the city of Rio de Janeiro, 2002
Group A rotaviruses (RV-A) are the major cause of gastroenteritis in infants and young children around the world. Each year RV-A causes approximately 11 million episodes of severe diarrhea, with an estimated of 611,000 deaths. Epidemiologic surveys have identified P[8]G1, P[4]G2, P[8]G3, P[8]G4, and...
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Published in: | Journal of medical virology 2010-07, Vol.82 (7), p.1272-1276 |
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container_title | Journal of medical virology |
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creator | Gómez, M.M Volotão, E.M de Mendonça, M.C. Lima Tort, L.F.L da Silva, M.F.M Leite, J.P.G |
description | Group A rotaviruses (RV-A) are the major cause of gastroenteritis in infants and young children around the world. Each year RV-A causes approximately 11 million episodes of severe diarrhea, with an estimated of 611,000 deaths. Epidemiologic surveys have identified P[8]G1, P[4]G2, P[8]G3, P[8]G4, and P[8]G9 as the most common global genotypes associated with diarrhea in children up to 5-year old. Surveillance studies and documentation of RV-A G and P genotypes is necessary for a comprehensive evaluation of the evolution of new strains, and assessing the capability of vaccines to provide heterotypic protection. It is known that reassortments are the driving force for genetic diversity through sudden changes in RV-A genome. In this study, we identified two unusual P/G combinations, P[8]G8 and P[4]G8, occurring in Rio de Janeiro during 2002. Results obtained in this study suggest that P[8]G8 RV-A strain originated from a reassortment event that occurred between RV-A P[4]G8 and P[8]G9 strains circulating in Rio de Janeiro in the same year. G8 strains identified in this study, as well as G8 strains detected in Recife by Montenegro et al. [Montenegro et al. (2007) J Med Virol 79: 335-340], showed a close genetic relationship with strains from Africa, where this genotype have become prevalent. J. Med. Virol. 82: 1272-1275, 2010. |
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Lima ; Tort, L.F.L ; da Silva, M.F.M ; Leite, J.P.G</creator><creatorcontrib>Gómez, M.M ; Volotão, E.M ; de Mendonça, M.C. Lima ; Tort, L.F.L ; da Silva, M.F.M ; Leite, J.P.G</creatorcontrib><description>Group A rotaviruses (RV-A) are the major cause of gastroenteritis in infants and young children around the world. Each year RV-A causes approximately 11 million episodes of severe diarrhea, with an estimated of 611,000 deaths. Epidemiologic surveys have identified P[8]G1, P[4]G2, P[8]G3, P[8]G4, and P[8]G9 as the most common global genotypes associated with diarrhea in children up to 5-year old. Surveillance studies and documentation of RV-A G and P genotypes is necessary for a comprehensive evaluation of the evolution of new strains, and assessing the capability of vaccines to provide heterotypic protection. It is known that reassortments are the driving force for genetic diversity through sudden changes in RV-A genome. In this study, we identified two unusual P/G combinations, P[8]G8 and P[4]G8, occurring in Rio de Janeiro during 2002. Results obtained in this study suggest that P[8]G8 RV-A strain originated from a reassortment event that occurred between RV-A P[4]G8 and P[8]G9 strains circulating in Rio de Janeiro in the same year. G8 strains identified in this study, as well as G8 strains detected in Recife by Montenegro et al. [Montenegro et al. (2007) J Med Virol 79: 335-340], showed a close genetic relationship with strains from Africa, where this genotype have become prevalent. J. Med. Virol. 82: 1272-1275, 2010.</description><identifier>ISSN: 0146-6615</identifier><identifier>EISSN: 1096-9071</identifier><identifier>DOI: 10.1002/jmv.21769</identifier><identifier>PMID: 20513095</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>Brazil - epidemiology ; Diarrhea - epidemiology ; Diarrhea - virology ; gastroenteritis ; genotype G8 ; Humans ; Molecular Epidemiology ; Phylogeny ; Reassortant Viruses - classification ; Reassortant Viruses - genetics ; Reassortant Viruses - isolation & purification ; reassortment ; RNA, Viral - genetics ; Rotavirus - classification ; Rotavirus - genetics ; Rotavirus - isolation & purification ; rotavirus A ; Rotavirus Infections - epidemiology ; Rotavirus Infections - virology ; Urban Population ; virus evolution</subject><ispartof>Journal of medical virology, 2010-07, Vol.82 (7), p.1272-1276</ispartof><rights>Copyright © 2010 Wiley‐Liss, Inc.</rights><rights>(c) 2010 Wiley-Liss, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3869-7e12062173527e45701b69582a4827177ac4805b45d5b6433c9319758efa2b843</citedby><cites>FETCH-LOGICAL-c3869-7e12062173527e45701b69582a4827177ac4805b45d5b6433c9319758efa2b843</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20513095$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Gómez, M.M</creatorcontrib><creatorcontrib>Volotão, E.M</creatorcontrib><creatorcontrib>de Mendonça, M.C. Lima</creatorcontrib><creatorcontrib>Tort, L.F.L</creatorcontrib><creatorcontrib>da Silva, M.F.M</creatorcontrib><creatorcontrib>Leite, J.P.G</creatorcontrib><title>Detection of uncommon rotavirus a strains P[8]G8 and P[4]G8 in the city of Rio de Janeiro, 2002</title><title>Journal of medical virology</title><addtitle>J. Med. Virol</addtitle><description>Group A rotaviruses (RV-A) are the major cause of gastroenteritis in infants and young children around the world. Each year RV-A causes approximately 11 million episodes of severe diarrhea, with an estimated of 611,000 deaths. Epidemiologic surveys have identified P[8]G1, P[4]G2, P[8]G3, P[8]G4, and P[8]G9 as the most common global genotypes associated with diarrhea in children up to 5-year old. Surveillance studies and documentation of RV-A G and P genotypes is necessary for a comprehensive evaluation of the evolution of new strains, and assessing the capability of vaccines to provide heterotypic protection. It is known that reassortments are the driving force for genetic diversity through sudden changes in RV-A genome. In this study, we identified two unusual P/G combinations, P[8]G8 and P[4]G8, occurring in Rio de Janeiro during 2002. Results obtained in this study suggest that P[8]G8 RV-A strain originated from a reassortment event that occurred between RV-A P[4]G8 and P[8]G9 strains circulating in Rio de Janeiro in the same year. G8 strains identified in this study, as well as G8 strains detected in Recife by Montenegro et al. [Montenegro et al. (2007) J Med Virol 79: 335-340], showed a close genetic relationship with strains from Africa, where this genotype have become prevalent. J. Med. Virol. 82: 1272-1275, 2010.</description><subject>Brazil - epidemiology</subject><subject>Diarrhea - epidemiology</subject><subject>Diarrhea - virology</subject><subject>gastroenteritis</subject><subject>genotype G8</subject><subject>Humans</subject><subject>Molecular Epidemiology</subject><subject>Phylogeny</subject><subject>Reassortant Viruses - classification</subject><subject>Reassortant Viruses - genetics</subject><subject>Reassortant Viruses - isolation & purification</subject><subject>reassortment</subject><subject>RNA, Viral - genetics</subject><subject>Rotavirus - classification</subject><subject>Rotavirus - genetics</subject><subject>Rotavirus - isolation & purification</subject><subject>rotavirus A</subject><subject>Rotavirus Infections - epidemiology</subject><subject>Rotavirus Infections - virology</subject><subject>Urban Population</subject><subject>virus evolution</subject><issn>0146-6615</issn><issn>1096-9071</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp1kF9PFDEUxRujkQV98Ato3wyJA7f_20ey6ioBNQqaYEzTme1ocWeK7Qyw354uA7z5dM_D75x770HoBYE9AkD3z7vLPUqUNI_QjICRlQFFHqMZEC4rKYnYQts5nwOANpQ-RVsUBGFgxAzZt37wzRBij2OLx76JXVd0ioO7DGnM2OE8JBf6jL_81L8WGrt-WSTfyNDj4Y_HTRjWG_fXEPHS40PX-5DiG0zLbc_Qk9atsn9-N3fQ6ft3J_MP1dHnxcf5wVHVMC1NpTyhIMsPTFDluVBAammEpo5rqohSruEaRM3FUtSSM9YYRowS2reO1pqzHfR6yr1I8d_o82C7kBu_WpVj4pitYowQpgAKuTuRTYo5J9_aixQ6l9aWgN3UaUud9rbOwr68Sx3rzi8fyPv-CrA_AVdh5df_T7KHx9_vI6vJEfLgrx8cLv21UjEl7I9PC0vPjs8W7GRuZeFfTXzronW_U8j29BuFsp5oQbjh7AaeN5J8</recordid><startdate>201007</startdate><enddate>201007</enddate><creator>Gómez, M.M</creator><creator>Volotão, E.M</creator><creator>de Mendonça, M.C. 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subjects | Brazil - epidemiology Diarrhea - epidemiology Diarrhea - virology gastroenteritis genotype G8 Humans Molecular Epidemiology Phylogeny Reassortant Viruses - classification Reassortant Viruses - genetics Reassortant Viruses - isolation & purification reassortment RNA, Viral - genetics Rotavirus - classification Rotavirus - genetics Rotavirus - isolation & purification rotavirus A Rotavirus Infections - epidemiology Rotavirus Infections - virology Urban Population virus evolution |
title | Detection of uncommon rotavirus a strains P[8]G8 and P[4]G8 in the city of Rio de Janeiro, 2002 |
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