TNPSC Thervupettagam

Virus in DNA

November 7 , 2022 623 days 683 0
  • Ancient viral pandemics in the form of viral DNA sequences embedded in our genomes are still active in healthy people.
  • HERVs, or human endogenous retroviruses, make up around 8% of the human genome.
  • They left behind as a result of infections that humanity’s primate ancestors suffered millions of years ago.
  • Viruses insert their genomes into their hosts in the form of a provirus.
  • There are around 30 different kinds of human endogenous retroviruses in people today, amounting to over 60,000 proviruses in the human genome.

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