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Dynamic changes in viral population structure and compartmentalization during chronic hepatitis C virus infection in children.
Gismondi, María Inés Díaz Carrasco, Juan María Valva, Pamela Becker, Pablo Daniel Guzmán, Carlos Alberto Campos, Rodolfo Héctor Preciado, María Victoria
Gismondi, María Inés
Díaz Carrasco, Juan María
Valva, Pamela
Becker, Pablo Daniel
Guzmán, Carlos Alberto
Campos, Rodolfo Héctor
Preciado, María Victoria
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2013-12
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Abstract
Classic phylogenetic and modern population-based clustering methods were used to analyze hepatitis C virus (HCV) evolution in plasma and to assess viral compartmentalization within peripheral blood mononuclear cells (PBMCs) in 6 children during 3.2-9.6yr of follow-up. Population structure analysis of cloned amplicons encompassing hypervariable region 1 led to the distinction of two evolutionary patterns, one highly divergent and another one genetically homogeneous. Viral adaptability was reflected by co-evolution of viral communities switching rapidly from one to another in the context of divergence and stability associated with highly homogeneous communities which were replaced by new ones after long periods. Additionally, viral compartmentalization of HCV in PBMCs was statistically demonstrated, suggesting their role as a pool of genetic variability. Our results support the idea of a community-based structure of HCV viral populations during chronic infection and highlight a role of the PBMC compartment in the persistence of such structure.
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Dynamic changes in viral population structure and compartmentalization during chronic hepatitis C virus infection in children. 2013, 447 (1-2):187-96 Virology
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en
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1096-0341
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