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Recombination in hepatitis C virus: identification of four novel naturally occurring inter-subtype recombinants.


ABSTRACT: Recombination in Hepatitis C virus (HCV) is considered to be rare. In this study, we performed a phylogenetic analysis of 1278 full-length HCV genome sequences to identify potential recombination events. Nine inter-genotype recombinants were identified, all of which have been previously reported. This confirms the rarity of inter-genotype HCV recombinants. The analysis also identified five inter-subtype recombinants, four of which are documented for the first time (EU246930, EU246931, EU246932, and EU246937). Specifically, the latter represent four different novel recombination types (6a/6o, 6e/6o, 6e/6h, and 6n/6o), and this was well supported by seven independent methods embedded in RDP. The breakpoints of the four novel HCV recombinants are located within the NS5B coding region and were different from all previously reported breakpoints. While the locations of the breakpoints identified by RDP were not identical, they are very close. Our study suggests that while recombination in HCV is rare, this warrants further investigation.

SUBMITTER: Shi W 

PROVIDER: S-EPMC3404033 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature

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Recombination in hepatitis C virus: identification of four novel naturally occurring inter-subtype recombinants.

Shi Weifeng W   Freitas Ines T IT   Zhu Chaodong C   Zheng Wei W   Hall William W WW   Higgins Desmond G DG  

PloS one 20120724 7


Recombination in Hepatitis C virus (HCV) is considered to be rare. In this study, we performed a phylogenetic analysis of 1278 full-length HCV genome sequences to identify potential recombination events. Nine inter-genotype recombinants were identified, all of which have been previously reported. This confirms the rarity of inter-genotype HCV recombinants. The analysis also identified five inter-subtype recombinants, four of which are documented for the first time (EU246930, EU246931, EU246932,  ...[more]

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