Scientists from England, Belgium, and Denmark developed XNA - xenonucleic acids. These are nucleic acids in which the sugars of DNA have been replaced. Next they were able to replicate the XNA in a test tube. The study may lead to designer drugs.
Artificial DNA Can Replicate in Lab, Researchers Find
Synthetic DNA Created, Evolves on Its Own
Artificial DNA Can Replicate in Lab, Researchers Find
Synthetic DNA Created, Evolves on Its Own