Hepatitis B virus found in 16th century Korean mummy

Published on June 1st, 2012 | by Admin


The mummified remains of a child from Korea have produced the oldest full viral genome description of a unique hepatitis B virus known as a genotype C2 sequence.

Carbon 14 tests of the clothing of the mummy suggests that the boy lived around the 16th century during the Korean Joseon Dynasty. The viral DNA sequences recovered from the liver biopsy enabled the scientists to map the entire ancient hepatitis B viral genome.

Using modern-day molecular genetic techniques, the researchers compared the ancient DNA sequences with contemporary viral genomes disclosing distinct differences. The changes in the genetic code are believed to result from spontaneous mutations and possibly environmental pressures during the virus evolutionary process. Based on the observed mutations rates over time, the analysis suggests that the reconstructed mummy’s hepatitis B virus DNA had its origin between 3,000 to 100,000 years ago.

[Full story]

Story: LiveScience | Photo: Seoul National University

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