From Scientific American:
The misuse and overuse of antibiotics has led to the rise of so-called superbugs–bacteria that have developed a resistance to widely used antibiotics and pose a threat to public health. Scientists have thus been investigating alternative treatment options. At a presentation given yesterday at a national meeting of the American Chemical Society in Washington, D.C., researchers unveiled one such candidate: a novel type of antibiotic that has shown promise against bacteria that survive in the face of conventional medications.
More here.