Now Niederweis and colleagues at the University of Alabama at Birmingham describe the mechanism of secretion and trafficking of that toxin, TNT, which is the major cytotoxicity factor for the pathogen ...

With antibiotic-resistant bacteria on the rise, scientists have been searching for ways to shut down the Type IV secretion system (T4SS), a protein complex on the outer envelope of bacterial cells ...

Researchers have discovered increased levels of of a microRNA in type 2 diabetes, which has a negative effect on insulin secretion. Their experiments on human insulin producing cells in the pancreas ...

Intraspecific competition describes the negative interaction that occurs when different populations of the same species attempt to fill the same niche. Such competition is predicted to occur among ...