Article
Natural and iatrogenic variation in hepatitis B virus.
Reviews in medical virology - 1 Jul 1999
Ngui S L, Hallet R, Teo C G
Abstract excerpt
The existence of HBV as quasispecies is thought to be favoured by the infidelity of HBV RT, which would account for the emergence of the many natural mutants with point substitutions. RT infidelity may also underlie the hypermutation phenomenon. Indeed, the oft-reported point mutation in the preC gene that leads to failure of HBeAg synthesis may be driven by a hypermutation-related mechanism. The presence of...
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