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Genetic characterization of G3 rotaviruses detected in Italian children in the years 1993–2005
Author(s) -
De Grazia Simona,
Martella Vito,
Colomba Claudia,
Cascio Antonio,
Arista Serenella,
Giammanco Giovanni M.
Publication year - 2009
Publication title -
journal of medical virology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 121
eISSN - 1096-9071
pISSN - 0146-6615
DOI - 10.1002/jmv.21615
Subject(s) - rotavirus , virology , biology , gene , genetics , virus
In recent years an apparent increase in the frequency of detection of G3P[8] rotaviruses has been observed worldwide. Similarly, in Italy G3P[8] strains have been detected sporadically and in a scattered fashion over 20 years, whereas in 2003 and 2005 G3P[8] rotavirus activity increased markedly. By analysis of the VP7, VP4, VP6, and NSP4 genes of a selection of G3P[8] rotaviruses detected between 1993 and 2005, a remarkable sequence conservation was observed in the VP7, VP4, and VP6 genes. By converse, after 2002 the Italian G3P[8] strains were found to possess unique mutations in significant regions of the NSP4 protein. J. Med. Virol. 81:2089–2095, 2009. © 2009 Wiley‐Liss, Inc.