Gene expression is linked to RNA transcription, which cannot happen without RNA polymerase. However, this is where the similarities between prokaryote and eukaryote expression end. Central to the ...

PNAS is the world's most-cited multidisciplinary scientific serial. It publishes high-impact research reports, commentaries, perspectives, reviews, colloquium papers, and actions of the Academy. In ...

Could yeast and humans be any more different? Going by looks alone, probably not. But peering into our genomes reveals ...

Researchers at Cold Spring Harbor Laboratory found that Dicer, an ancient RNA-cutting protein shared by humans and yeast, ...