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2018-03-07|

7 March, 1938: American biologist David Baltimore was born

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American biologist David Baltimore (7 March, 1938 – present) is currently the President Emeritus and Robert Andrews Millikan Professor of Biology. After Renato Dulbecco discovered that tumor viruses operate by incorporating their DNA into the DNA of host cells, David Baltimore and Howard Temin – independently of one another – discovered that viruses with genomes consisting of RNA can also be inserted into host cells’ DNA. This takes place through an enzyme known as “reverse transcriptase”. The discovery that the information in RNA can be transferred to DNA meant that the generally accepted rule that genetic information was only transferred in one direction – from DNA to RNA, to protein – had to be modified. This finding led them to the Nobel Prize in Physiology or Medicine in 1975. David Baltimore was only 37 that year.

Reference
https://www.bbe.caltech.edu/content/david-baltimore

Image Source
https://commons.wikimedia.org/wiki/File:Dr._David_Baltimore1.jpg#file

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