Word: aureus
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Researchers have known for several years that TSS is caused by a toxin produced by a common and usually harmless bacterium called Staphylococcus aureus. In laboratory studies, the Harvard team, led by Infectious Disease Specialist Edward Kass, found that the bacterium produces up to 20 times as much toxin as usual in the presence of certain tampon fibers. Kass's group discovered that the fibers -- polyester foam and polyacrylate rayon -- soak up large amounts of magnesium, which is normally present in vaginal tissue and fluid. When the magnesium is removed from the bacterium's environment, the bug responds by churning...
...diphtheria microbe produces excessive amounts of toxin. "You comb your mind for something you can get a hold on," he says, and the diphtheria-iron connection "leaped right out." Through a trial-and- error process, Kass and his team found that magnesium played a parallel role with Staph. aureus...
...negligence verdict. It did not explicitly find that Rely caused toxic shock. But Microbiologist Philip Tierno of New York University Medical Center clearly bolstered the plaintiffs case with his testimony that the cellulose chips in Rely "can provide the sole nutrient" to encourage the growth of Staphylococcus aureus, a bacterium sometimes present in the vagina. The bacteria, in turn, generate poisonous waste products, which are circulated by the blood...
...three in the arsenal against cancer are surgery, radiation and drugs. But a new therapy, which has produced "exciting" preliminary observations, makes use of an unexpected weapon: bacteria. Staph germs (Staphylococcus aureus) are in fact essential in a blood-washing treatment under study at Baylor College of Medicine in Houston. In the technique, developed by Immunologist David Terman and his colleagues, blood plasma is removed from a patient and run through a device containing beads of charcoal coated with protein A, a component of the staph bacteria. The plasma is then returned to the patient. The scientists speculate that...
...drug to save the world from pneumococcal pneumonia, an infection that then had a mortality rate as high as 85%. But as more and more antibiotics came into use, nature fought back, creating more resistant bacteria. When first used, penicillin was nearly 100% effective against the most prevalent Staphylococci aureus that spread hospital-related infection among patients. Today the drug is far less effective. Both tetracycline and penicillin, once used to cure gonorrhea, now have a failure rate of more than 20% against certain strains. For years a growing body of evidence has suggested that the overuse of antibiotics...