Rodríguez Irene, Novais Ângela, Lira Felipe, Valverde Aránzazu, Curião Tânia, Martínez José Luis, Baquero Fernando, Cantón Rafael, Coque Teresa M
Servicio de Microbiología, Hospital Universitario Ramón y Cajal and Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain CIBER en Epidemiología y Salud Pública (CIBERESP), Madrid, Spain.
Servicio de Microbiología, Hospital Universitario Ramón y Cajal and Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain UCIBIO/REQUIMTE, Laboratório de Microbiologia, Faculdade de Farmácia da Universidade do Porto, Porto, Portugal.
Antimicrob Agents Chemother. 2015 May;59(5):2904-8. doi: 10.1128/AAC.00296-15. Epub 2015 Feb 17.
We describe the genetic background of bla(TEM-4) and the complete sequence of pRYC11::bla(TEM-4), a mosaic plasmid that is highly similar to pKpQIL-like variants, predominant among TEM-4 producers in a Spanish hospital (1990 to 2004), which belong to Klebsiella pneumoniae and Escherichia coli high-risk clones responsible for the current spread of different antibiotic resistance genes. Predominant populations of plasmids and host adapted clonal lineages seem to have greatly contributed to the spread of resistance to extended-spectrum cephalosporins.
我们描述了bla(TEM-4)的遗传背景以及pRYC11::bla(TEM-4)的完整序列,pRYC11::bla(TEM-4)是一种镶嵌质粒,与pKpQIL样变体高度相似,在一家西班牙医院(1990年至2004年)的TEM-4产生菌中占主导地位,这些产生菌属于肺炎克雷伯菌和大肠杆菌的高风险克隆,它们导致了不同抗生素抗性基因的当前传播。质粒的主要群体和宿主适应的克隆谱系似乎对超广谱头孢菌素耐药性的传播起到了很大作用。