Scientists discover second, secret DNA code

 

International Research Awards

Scientists discover second, secret DNA code

The newfound genetic code within deoxyribonucleic acid, the hereditary material that exists in nearly every cell of the body, was written right on top of the DNA code scientists had already cracked. Rather than concerning itself with proteins, this one instructs the cells on how genes are controlled. Its discovery means DNA changes, or mutations that come with age or in response to viruses, may be doing more than what scientists previously thought, say the researchers. "For over 40 years we have assumed that DNA changes affecting the genetic code solely impact how proteins are made," says lead author Dr John Stamatoyannopoulos, University of Washington associate professor of genome sciences and of medicine.

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