A newly identified cellular system monitors subtle variations in genetic coding, hinting at a hidden level of control over how genes are expressed.

Proteins, one of the smallest building blocks of life on Earth, hold promise for answering some of biology's biggest questions. Consisting of amino acids strung together into peptide chains, these ...

Human genes are written in long strings of three-letter units composed of four different nucleotides. These units—or ...

Study finds that the mass extinction caused by an asteroid about 66 million years ago led to critical changes in bird genomes that ultimately sparked the incredibly diversity living birds. Shortly ...

A team at UT Southwestern Medical Center has identified a structural trick that lets viruses translate their genetic code inside human cells, even when that code is riddled with “bad” codons the host ...