In the microscopic world of bacteria, gene transfer is a powerful mechanism that can alter cellular function, drive antibiotic resistance and even shape entire ecosystems. Now an interdisciplinary ...

and their diversity of functions has led to the hypothesis that an "RNA world" may have preceded the evolution of DNA and proteins (Gilbert, 1986). Small interfering RNAs (siRNAs) are yet another ...

Proteins that trigger cell senescence occupy much of the literature on aging, but a small RNA moves into the limelight. Kamal is a freelance science journalist based in the UK with a PhD in virology ...