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Genetic Characteristics of Coxsackievirus Group A Type 4 Isolated from Patients with Acute Flaccid Paralysis in Shaanxi, China / 病毒学报
Chinese Journal of Virology ; (6): 145-149, 2016.
Artículo en Chino | WPRIM | ID: wpr-296205
ABSTRACT
We analyzed the genetic characteristics of coxsackievirus A4 (CV-A4) based on the entire VP1 coding region. Samples were isolated from patients with acute flaccid paralysis (AFP) in Shaanxi, China from 2006 to 2010. We wished to ascertain the predominant genotype and the relationship between CV-A4 infection and AFP. Sixty-eight non-polio enteroviruses were inoculated onto RD cells (to increase the virus titer) and molecular typing was undertaken. The entire VP1 coding region was amplified. Percentage of CV-A4 was 10.3% (7/68). Analyses of genetic identify and creation of phylogenetic trees revealed that CV-A4 could be classified into A, B and C genotypes. Seven CV-A4 strains from Shaanxi and other CV-A4 strains from China formed an independent evolution lineage located in group 4 and belonged to the C2 sub-genotype. These data suggested that CV-A4 strains of sub-genotype C2 were the predominant genotypes in China. These strains co-evolved and co-circulated with those from other provinces in China, so continued monitoring of CV-A4 (by clinical and genetic surveillance) should be enhanced.
Asunto(s)
Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Parálisis / Filogenia / Proteínas Virales / Virología / China / Clasificación / Enterovirus Humano A / Infecciones por Enterovirus / Genética / Genotipo Tipo de estudio: Estudio pronóstico Límite: Humanos País/Región como asunto: Asia Idioma: Chino Revista: Chinese Journal of Virology Año: 2016 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Parálisis / Filogenia / Proteínas Virales / Virología / China / Clasificación / Enterovirus Humano A / Infecciones por Enterovirus / Genética / Genotipo Tipo de estudio: Estudio pronóstico Límite: Humanos País/Región como asunto: Asia Idioma: Chino Revista: Chinese Journal of Virology Año: 2016 Tipo del documento: Artículo