Is there any virus that contains both DNA and RNA in its genome? Watch

HappyDPrince
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Report Thread starter 11 months ago
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It is known that viruses contain DNA or RNA- either one and not both.

I came across a question: Which virus contains both DNA and RNA?
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macpatgh-Sheldon
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Viruses in general are EITHER DNA viruses e.g. chickenpox virus, herpes virus OR RNA viruses e.g. picoRNAvirus (Greek pico = minute as in picometre = 10E-12 metre).

Having said that, at a certain stage in its life-cycle within a CD-4 T lymphocyte, the HIV-1 virus, which is a retrovirus (Greek retro = backward or behind; the name derives from the fact that this group of viruses have RNA in their genome which uses the enzyme reverse transcriptase to make DNA from RNA [other way round [back-to-front like] compared to the usual process of transcription = DNA -----> mRNA], AND THIS DNA CAN BE INCORPORATED INTO THE GENOME.

So, although HIV is an RNA virus, it can have both RNA and DNA.

Hope this answers your Q.

M (former medical student)
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