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Artículo

Molecular epidemiology of hepatitis B virus in Misiones, Argentina

Mojsiejczuk, Laura NoeliaIcon ; Torres, Carolina; Sevic, InaIcon ; Badano, InesIcon ; Malan, Richard; Flichman, Diego MartinIcon ; Liotta, Domingo JavierIcon ; Campos, Rodolfo HectorIcon
Fecha de publicación: 10/2016
Editorial: Elsevier Science
Revista: Infection, Genetics and Evolution
ISSN: 1567-1348
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Salud Ocupacional

Resumen

Hepatitis B virus (HBV) infection is a major public health problem worldwide. The aims of this study were to describe the molecular epidemiology of HBV in the Province of Misiones, Argentina and estimate the phylodynamic of the main groups in a Bayesian coalescent framework. To this end, partial or complete genome sequences were obtained from 52 blood donor candidates.The phylogenetic analysis based on partial sequences of S/P region showed a predominance of genotype D (65.4%), followed by genotype F (30.8%) and genotype A as a minority (3.8%). At subgenotype level, the circulation of subgenotypes D3 (42.3%), D2 (13.5%), F1b (11.5%) and F4 (9.6%) was mainly identified.The Bayesian coalescent analysis of 29 complete genome sequences for the main groups revealed that the subgenotypes D2 and D3 had several introductions to the region, with ancestors dating back from 1921 to 1969 and diversification events until the late '70s. The genotype F in Misiones has a more recent history; subgenotype F4 isolates were intermixed with sequences from Argentina and neighboring countries and only one significant cluster dated back in 1994 was observed. Subgenotype F1b isolates exhibited low genetic distance and formed a closely related monophyletic cluster, suggesting a very recent introduction.In conclusion, the phylogenetic and coalescent analyses showed that the European genotype D has a higher circulation, a longer history of diversification and may be responsible for the largest proportion of chronic HBV infections in the Province of Misiones. Genotype F, especially subgenotype F1b, had a more recent introduction and its diversification in the last 20 years might be related to its involvement in new transmission events.
Palabras clave: Argentina , Bayesian Coalescent Analysis , Hepatitis B Virus , Molecular Epidemiology , Phylogenetic Analysis
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/39374
URL: https://www.sciencedirect.com/science/article/pii/S1567134816302568
DOI: http://dx.doi.org/10.1016/j.meegid.2016.06.032
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Articulos(OCA HOUSSAY) [2204]
Articulos de OFICINA DE COORDINACION ADMINISTRATIVA HOUSSAY
Citación
Mojsiejczuk, Laura Noelia; Torres, Carolina; Sevic, Ina; Badano, Ines; Malan, Richard; et al.; Molecular epidemiology of hepatitis B virus in Misiones, Argentina; Elsevier Science; Infection, Genetics and Evolution; 44; 10-2016; 34-42
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