Evidence of rotavirus intragenic recombination between two sublineages of the same genotype

Authors
Parra, Gabriel I.; Bok, Karin; Martínez, Magali; Gomez, Jorge A.
Publication Year
2004
Language
English
Format
article
Status
Published version
Description
Rotavirus G4 prevalence increased during the past decade, with one of the highest prevalences reported during rotavirus surveillance in Argentina. Intragenotype diversity analysis has led to its subdivision into lineages (I and II) and sublineages (Ia-Id). On analysis of Argentine and G4 VP7 sequences from other locations, one Argentine strain (ArgRes1723) appeared to be an intermediate between G4 sublineages Ib and Ic. Similarity and bootscanning analyses and Sawyer's test were carried out to demonstrate the recombinant nature of this strain. It was concluded that intragenic recombination occurred between sequences of sublineages lb and Ic, with a crossover point between nucleotide positions 336 and 387. This study constitutes the first report of a mechanism of evolution in rotaviruses that is currently considered unusual - a recombination event between two strains of the same rotavirus genotype. These results will help increase current knowledge about rotavirus evolution and divergence, improving our understanding of the adaptation mechanisms used by these viruses.
Fil: Parra, Gabriel I. Universidad Nacional de Asunción. Instituto de Investigaciones en Ciencias de la Salud; Paraguay.
Fil: Bok, Karin. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Laboratorio de Gastroenteritis Virales; Argentina.
Fil: Martínez, Magali. Universidad Nacional de Asunción. Instituto de Investigaciones en Ciencias de la Salud; Paraguay.
Fil: Gomez, Jorge A. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Laboratorio de Gastroenteritis Virales; Argentina.
Source
Journal of General Virology, 2004, 85(6), 1713-1716.
Subject
Rotavirus
Genotipo
Access level
Open access
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/4.0/
Repository
Sistema de Gestión del Conocimiento ANLIS MALBRÁN
Institution
Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"
OAI Identifier
oai:repositorio.anlis.gov.ar:123456789/391