The ribosome, that protein-making machine, relies on other, smaller machines. For example, it works in concert with a mechanism that supplies amino-acid-carrying tRNAs, including tRNAs that require ...

The fruit fly lacks the tRNA nuclear export receptor Exportin-t, which only exports end-processed tRNAs to the cytoplasm to ensure the completion of the processing steps in the nucleus. The related ...

Raghu R. Chivukula, MD, PhD, a physician-investigator in the Departments of Medicine & Surgery and the Center for Genomic Medicine at Massachusetts General Hospital and Harvard Medical School, is the ...

tRNAs have a distinct cloverleaf secondary structure and an L-shaped tertiary structure. The cloverleaf structure is formed by the folding of the single-stranded tRNA molecule, which is typically ...

To build proteins, cells rely on a molecule called transfer RNA, or tRNA. tRNAs act like protein-building couriers, where they read the genetic instructions from messenger RNA, mRNA, and deliver the ...

Genetic medicine has made huge progress over the past two decades. Gene therapy, gene editing, and mRNA treatments are now approved for a growing number of conditions. These approaches focus on fixing ...