Usman Ghani, Irshad Ur Rehman, Muhammad Ali, Ayyaz Khan, Sana Ullah, Liaqat Ali, Sadia Butt
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Phylogenetic Characterization of the 5' Untranslated Region of Untypable HCV Genotypes Circulating in Pakistan.
Introduction: Commercial methods for HCV genotyping is challenged by the increased prevalence of untypable genotypes in Pakistan.
Objective: The aim of the current study was to perform nucleotide sequencing of 5' UTR region for genotyping of viral isolates circulating in Peshawar, Pakistan.
Methods: The total number of commercially untypable samples were 94 in which 18 samples were sequenced for the characterization of 5' UTR region. Post-sequencing analysis was performed for genotype identification (n = 18) and molecular phylogenetic analysis.
Results: The current study reveals different genotypes, that is, 10/18 viral isolates were found to be genotype 3a (55.55%), 3 isolates (genotype 3b, 16.66%), 2 isolates (genotype 6h/6g, 11.11%), 2 (6g/d, 11.11%), and 1 sample (genotype 1c, 5.55%). In addition, genotype 3a is the dominant representative of HCV circulating in Pakistan and has been increasing across the country.
Conclusion: The current study also reveals that genotype 6 (2 were genotype 6h/6g and 2 were 6g/d) is also circulating in Pakistan and not restricted to South China and Hong Kong.
期刊介绍：
''Intervirology'' covers progress in both basic and clinical virus research, and aims to provide a forum for the various disciplines within virology. Issues publishing original papers alternate with thematic issues, focusing on clearly defined topics. This thematic concentration serves to make timely reviews, research reports and controversy easily accessible to both specialists in the field and those who want to keep track of the latest developments outside their own area of interest. In addition to original papers, regular issues publish short communications and letters to the editor to provide readers with a forum for the exchange of ideas and comments. The scope encompasses work on the molecular biology of human and animal viruses, including genome organization and regulation, and the structure and function of viral proteins. The pathogenesis, immunology, diagnosis, epidemiology, prophylaxis and therapy of viral diseases are considered.
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