Bacterial pathogens produce complex carbohydrate capsules that dominate surface chemistry, inhibit phagocytosis and induce immunological responses by the host. The pneumococcus, or Streptococcus ...

An enzyme antibiotics rely on to kill bacteria also promotes survival of pneumococcus and sets the stage for serious, invasive infections, scientists have discovered. St. Jude Children's Research ...

A team of researchers at the University of California, Los Angeles (UCLA) has introduced a virtual Gram staining technique that could transform how microbiologists stain and classify bacteria. This ...

Vaccines that protect people from infection by Streptococcus pneumonia, which kills up to 1 million children every year worldwide, train the immune system to recognize the pathogen's thick sugar ...