Scriver S R, Walmsley S L, Kau C L, Hoban D J, Brunton J, McGeer A, Moore T C, Witwicki E
Department of Microbiology, Mount Sinai Hospital, University of Toronto, Ontario, Canada.
Antimicrob Agents Chemother. 1994 Jul;38(7):1678-80. doi: 10.1128/AAC.38.7.1678.
Susceptibility testing of 1,688 Haemophilus influenzae isolates found 484 ampicillin-resistant strains; 474 strains (28.4%) were beta-lactamase positive, and 5 strains (0.4%) were non-beta-lactamase producers. Restriction enzyme digestion of the beta-lactamase amplicon determined that, of 157 strains, 11 (7.0%) contained ROB-1 beta-lactamase and 146 (93.0%) contained a TEM-type beta-lactamase.
对1688株流感嗜血杆菌进行药敏试验,发现484株对氨苄西林耐药;474株(28.4%)β-内酰胺酶阳性,5株(0.4%)不产β-内酰胺酶。对β-内酰胺酶扩增子进行限制性酶切分析,结果显示,在157株菌株中,11株(7.0%)含有ROB-1β-内酰胺酶,146株(93.0%)含有TEM型β-内酰胺酶。