title: TEM-type beta-lactamase production in Haemophilus ducreyi.
abstract: A TnA-containing 6.0-megadalton plasmid (pJB1) isolated from Haemophilus ducreyi was shown to code for a beta-lactamase similar to the TEM-1-type beta-lactamase originating from the ampicillin transposon Tn2.
mesh_terms: D006191:Haemophilus ducreyi / Q000201:enzymology*; D007122:Immunoelectrophoresis; D007525:Isoelectric Focusing; D010957:Plasmids; D001618:beta-Lactamases / Q000096:biosynthesis / Q000302:isolation & purification*
chemical_list: D001618:beta-Lactamases