Bacteria with thick peptidoglycan are called gram positive. If the peptidoglycan layer is thin, it's classified as gram negative. A gram-positive bacillus doesn't have an outer cell wall beyond ...

Humans are desperately in need of new antibiotics, so you can imagine the surprise when a team of scientists uncovered a new ...

Researchers have discovered saarvienin A, a novel glycopeptide antibiotic from a rare earth mine bacterium. It shows potent ...

Older people tend to carry more Gram-negative bacteria in their guts; the cell walls of Gram-negative and -positive bacteria are different. The increase in Gram-negative bacteria in older people leads ...

Not all cases of non-HACEK Gram-negative bacterial endocarditis necessarily require surgical intervention. Indications for surgical intervention in patients with Gram-negative endocarditis are ...