Genetic study of hepatitis B virus in Indonesia reveals a new subgenotype of genotype B in east Nusa Tenggara

Genetic study of hepatitis B virus in Indonesia reveals a new subgenotype of genotype B in east... The hepatitis B virus (HBV) genotype is associated with viral anthropological history, clinical outcome of disease and response to treatment. This study examines the HBV genotypes in Indonesia. HBV genotypes were determined by whole-genome sequencing and from the sequence of the Pre-S2 and S regions in a larger series. Two HBV genotypes, B (HBV/B) and C (HBV/C), were predominant. Three previously reported HBV/B subgenotypes were identified, with certain population association: HBV/B2 (HBV/Ba) was found mostly in Indonesians of Chinese ethnic origin, HBV/B3 was dominant among the Javanese, and HBV/B5, reported earlier from the Philippines, was also discovered, albeit at low frequency. Two other subgenotypes, HBV/B4 from Vietnam and HBV/B6, recently reported from the Arctic region, were not found. A novel subgenotype, HBV/B7, was recognized, associated with populations of the Nusa Tenggara islands in eastern Indonesia. Characteristic differences in HBsAg serotype and single nucleotide polymorphisms (SNPs) in the Pre-S2 region distinguish HBV/B7 from other HBV/B subgenotypes and further establish the new HBV subgenotype. Archives of Virology Springer Journals

Genetic study of hepatitis B virus in Indonesia reveals a new subgenotype of genotype B in east Nusa Tenggara

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Springer Vienna
Copyright © 2008 by Springer-Verlag
Biomedicine; Infectious Diseases; Medical Microbiology ; Virology
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