Article
Hepatitis B virus genome variability and disease progression: the impact of pre-core mutants and HBV genotypes.
Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology - 1 Dec 2005
Buti Maria, Rodriguez-Frias Francisco, Jardi Rosendo, Esteban Rafael
Abstract excerpt
The hepatitis B virus (HBV), a member of the Hepadnaviridae family, is prone to mutations due to its asymmetric replication via reverse transcription of an RNA intermediate. The estimated mutation rate of the hepadnavirus genome is 2 x 10(4) base substitutions/site/year. This mutation rate is approximately 100 times higher than that of other DNA viruses but between 100 and 1000 times lower than that of RNA...
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