title: Monobactams--monocyclic beta-lactam antibiotics produced by bacteria.
mesh_terms: D000900:Anti-Bacterial Agents / Q000302:isolation & purification*; D001398:Aztreonam; D001419:Bacteria / Q000032:analysis*; D004352:Drug Resistance, Microbial; D006088:Gram-Negative Aerobic Bacteria / Q000187:drug effects / Q000201:enzymology; D001618:beta-Lactamases / Q000378:metabolism; D047090:beta-Lactams / Q000302:isolation & purification*
chemical_list: D000900:Anti-Bacterial Agents; D047090:beta-Lactams; D001618:beta-Lactamases; D001398:Aztreonam