News tagged with dna engine

DNA nanorobots find and tag cellular targets

Researchers at Columbia University Medical Center, working with their collaborators at the Hospital for Special Surgery, have created a fleet of molecular "robots" that can home in on specific human cells ...

Aug 07, 2013
5 / 5 (10) 0 | with audio podcast

A roundabout route to protein production

Proteins are typically encoded by linear strands of messenger RNA (mRNA). These mRNA molecules are translated into polypeptide chains by ribosomes, with each ribosomal read-through of the mRNA generating ...

Jul 12, 2013
5 / 5 (2) 0

Flipping the 'off' switch on cell growth

A protein known for turning on genes to help cells survive low-oxygen conditions also slows down the copying of new DNA strands, thus shutting down the growth of new cells, Johns Hopkins researchers report. Their discovery ...

Feb 22, 2013
4 / 5 (9) 5 | with audio podcast