21st August - Clostridium Difficile
The way cells in the gut fight off toxins produced by a hospital bug has been discovered by US researchers.
Writing in Nature Medicine, they showed how a chemical - GSNO - deactivated a toxin from Clostridium difficile which causes inflammation and diarrhoea.
They hope to use their findings to develop a treatment for C. difficile.
A specialist in the bacterium said the discovery was "exciting", but any treatment was still a long way off.
Read more about this story on the BBC website.
