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PLoS One. 2012;7(7):e41997. doi: 10.1371/journal.pone.0041997. Epub 2012 Jul 24.

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

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  • 1The Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland. wfshi.tsmc@gmail.com

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.

PMID:
22911872
[PubMed - indexed for MEDLINE]
PMCID:
PMC3404033
Free PMC Article
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