Kartali Georgia, Tzelepi Eva, Pournaras Spyros, Kontopoulou Constantina, Kontos Fanourios, Sofianou Danai, Maniatis Antonios N, Tsakris Athanassios
Department of Microbiology, Hippokration General Hospital, Thessaloniki, Greece.
Antimicrob Agents Chemother. 2002 May;46(5):1577-80. doi: 10.1128/AAC.46.5.1577-1580.2002.
Nineteen of 27 ceftazidime-resistant Enterobacter cloacae isolates from a neonatal intensive care unit in Thessaloniki, Greece, had genes coding for the novel extended-spectrum beta-lactamase IBC-1; 18 of those 19 harbored similar conjugative plasmids and belonged to two distinct genetic lineages. A synergy test with ceftazidime and imipenem enabled us to identify five unrelated bla(IBC-1)-carrying E. cloacae isolates from other wards of the hospital. It seems that this integron-associated gene is capable of dispersing both by clonal spread and by gene dissemination.
从希腊塞萨洛尼基一家新生儿重症监护病房分离出的27株对头孢他啶耐药的阴沟肠杆菌中,有19株带有编码新型超广谱β-内酰胺酶IBC-1的基因;这19株中的18株携带相似的接合质粒,且属于两个不同的基因谱系。头孢他啶与亚胺培南的协同试验使我们能够从医院其他病房鉴定出5株携带bla(IBC-1)的不相关阴沟肠杆菌分离株。看来这种与整合子相关的基因能够通过克隆传播和基因扩散两种方式传播。