Genome complexity: DNA double coded (Introduction)

by David Turell @, Friday, December 13, 2013, 05:32 (3759 days ago) @ David Turell

There is a code for protein production and a code for transcription control and gene expression:-http://www.sciencemag.org/content/342/6164/1367-All by chance.-"Since the genetic code was deciphered in the 1960s, scientists have assumed that it was used exclusively to write information about proteins. UW scientists 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 Stamatoyannopoulos. '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.' "


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