| The presence of toxins from gram-negative bacilli can cause severe endotoxin reactions, including shock, and deaths have been reported. |
| The FrpC module is an iron-regulated protein produced by the gram-negative bacterium Neisseria meningitides. |
| The aminopenicillins were the first penicillins discovered to be active against gram-negative rods such as E. coli and H. influenzae. |
| Neisseria meningitides is a gram-negative diplococcus bacterium and is the main causative agent of meningitis and other meningococcal diseases. |
| They reported a new gram-negative spiral bacterium found in gastric mucosa and associated with active, chronic gastritis. |
| Antimicrobial agents, colistin and nalidixic acid, suppress growth of gram-negative organisms. |
