Close window Published online: 18 January 2007; | doi:10.1038/news070115-10 Research highlights nastier form of MRSAToxin-laden bacterium makes for a killer in the community.Heidi LedfordResearchers have unpicked why a particularly nasty form of antibiotic-resistant Staphylococcus aureus, which can strike down otherwise healthy victims outside of the hospital, is quite so vicious. The results, says Gabriela Bowden, an immunologist at Texas A&M University in Houston and an author on the study, could be used to derive new therapies to combat the troublesome bug. The study, published in this week's Science, shows that a toxin produced by the bacterium, called Panton Valentine...