The recoded bacterium uses only 57 of the 64 possible genetic codes, freeing up seven to be used for different purposes ...

Aging selectively impairs the production of crucial DNA- and RNA-binding proteins, which contributes to hallmarks of aging in ...

In a giant feat of genetic engineering, scientists have created bacteria that make proteins in a radically different way than ...

Medically reviewed by Anju Goel, MD Deoxyribonucleic acid (DNA) is the material in cells that carries all genetic information in humans, animals, plants, and all living cells. It’s passed down from ...

The work, published in Nature, represents one of several ongoing efforts to increase the number of amino acids that DNA encodes. Take any organism on earth, and its DNA and RNA have four nucleotide ...

From the DNA blueprint, we are able to predict of which amino acids a protein consists. However, the final protein can greatly differ from the blueprint, for example due to post-translational ...

Stephen Fried, Johns Hopkins Chemist Even though the primordial Earth had hundreds of amino acids, all living things use the same 20 of these compounds. Fried calls those compounds "canonical." ...

Proteins from an ancient rhino tooth unearthed in the Canadian Arctic have allowed scientists to look much deeper into the past than ever before. Dinosaur proteins could be next.