In bacteria, transcription and translation are coupled in time and space. Two studies now show that transcription and translation are physically linked, which may be important for regulating bacterial ...

The answer lies in differential gene expression – the combination of genes that are turned on (expressed) or turned off (repressed) in particular cells – this is what makes each cell unique. Gene ...

Believe it or not, all of the cells within a multicellular organism (excluding red blood cells and gametes) contain exactly the same DNA. In which case, why is a heart composed of cardiomyocytes? Or ...