Stergachis, et al., reported in 2013 that a second code hiding within DNA has been discovered by University of Washington scientists, containing information that changes how scientists read the instructions contained in DNA and interpret mutations to make sense of health and disease. Some scientists are skeptical about “hype” regarding the announcement. Since the genetic code was deciphered in the 1960s, scientists have assumed that it was used exclusively to write information about proteins, the UW scientists said, who were “stunned to discover that genomes use the genetic code to write two separate languages.”
One describes how proteins are made, and the other instructs the cell on how genes are controlled. One language is written on top of the other, which is why the second language remained hidden for so long. “For over 40 years we have assumed that DNA changes affecting the genetic code solely impact how proteins are made,” said Dr. John Stamatoyannopoulos, UW associate professor of genome sciences and of medicine. “Now we know that this basic assumption about reading the human genome missed half of the picture. These new findings highlight that DNA is an incredibly powerful information storage device, which nature has fully exploited in unexpected ways.”
The genetic code uses a 64-letter alphabet called codons. The UW team discovered that some codons, which they called “duons,” can have two meanings, one related to protein sequence, and one related to gene control. These two meanings seem to have evolved in concert with each other. The gene control instructions appear to help stabilize certain beneficial features of proteins and how they are made.
The discovery of duons has major implications for how scientists and physicians interpret a patient’s genome and will open new doors to the diagnosis and treatment of disease. “The fact that the genetic code can simultaneously write two kinds of information means that many DNA changes that appear to alter protein sequences may actually cause disease by disrupting gene control programs or even both mechanisms simultaneously,” said Stamatoyannopoulos.
The above has been confirmed in 2016: https://www.sciencealert.com/scientists-confirm-a-second-layer-of-information-hiding-in-dna
And again in 2019: http://www.messagetoeagle.com/is-an-ancient-message-stored-in-our-dna/
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