The genetic diversity and evolutionary history of hepatitis C virus in Vietnam

被引:23
作者
Li, Chunhua [1 ]
Yuan, Manqiong [2 ]
Lu, Ling [1 ]
Lu, Teng [1 ,3 ]
Xia, Wenjie [4 ]
Pham, Van H. [5 ,6 ]
Vo, An X. D. [6 ]
Nguyen, Mindie H. [7 ]
Abe, Kenji [5 ,6 ,8 ]
机构
[1] Univ Kansas, Med Ctr, Ctr Viral Oncol, Dept Pathol & Lab Med, Kansas City, KS 66103 USA
[2] Sch Publ Hlth, State Key Lab Mol Vaccinol & Mol Diagnost, Xiamen 361102, Fujian, Peoples R China
[3] Univ So Calif, Los Angeles, CA USA
[4] Guangzhou Blood Ctr, Guangzhou, Guangdong, Peoples R China
[5] Univ Med & Pharm Ho Chi Minh City, Sch Med, Ctr Mol Biomed, Ho Chi Minh City, Vietnam
[6] NK BIOTEK Lab, Mol Diagnost Sect, Ho Chi Minh City, Vietnam
[7] Stanford Univ, Med Ctr, Div Gastroenterol & Hepatol, Palo Alto, CA 94304 USA
[8] Natl Inst Infect Dis, Dept Pathol, Tokyo 1628640, Japan
关键词
HCV; Genotype; Sequence; BEAST; Evolution; Vietnam; INJECTION-DRUG USERS; HO-CHI-MINH; BLOOD-DONORS; GENOTYPE; 6; HIGH PREVALENCE; MOLECULAR EPIDEMIOLOGY; SEQUENCE-ANALYSIS; B-VIRUS; INFECTION; HCV;
D O I
10.1016/j.virol.2014.07.026
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Vietnam has a unique history in association with foreign countries, which may have resulted in multiple introductions of the alien HCV strains to mix with those indigenous ones. In this study, we characterized the HCV sequences in Core-E1 and NS5B regions from 236 Vietnamese individuals. We identified multiple HCV lineages; 6a, 6e, 6h, 6k, 6l, 6o, 6p, and two novel variants may represent the indigenous strains; 1a was probably introduced from the US; 1b and 2a possibly originated in East Asia; while 2i, 2j, and 2m were likely brought by French explorers. We inferred the evolutionary history for four major subtypes: 1a, 1b, 6a, and 6e. The obtained Bayesian Skyline Plots (BSPs) consistently showed the rapid HCV population growth from 1955 to 1963 until 1984 or after, corresponding to the era of the Vietnam War. We also estimated HCV growth rates and reconstructed phylogeographic trees for comparing subtypes 1a, 1b, and HCV-2. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码:197 / 206
页数:10
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