27 mayo 2015
The DNA encoding all life on Earth is made of four building blocks called nucleotides, commonly known as ‘letters,’ that line up in pairs and twist into a double helix. Now, two groups of scientists are reporting for the first time that two new nucleotides can do the same thing — raising the possibility that entirely new proteins could be created for medical uses.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/vJuC7VXFf7g/150527113101.htm
