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ST37 Klebsiella pneumoniae: development of carbapenem resistance in vivo during antimicrobial therapy in neonates.
Li, Pengling; Wang, Min; Li, Xianping; Hu, Feihu; Yang, Min; Xie, Yixin; Cao, Wei; Xia, Xiaomeng; Zheng, Rong; Tian, Jingjing; Zhang, Kan; Chen, Fang; Tang, Aiguo.
Afiliación
  • Li P; Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.
  • Wang M; Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.
  • Li X; Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.
  • Hu F; Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.
  • Yang M; Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.
  • Xie Y; Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.
  • Cao W; Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.
  • Xia X; Department of Obstetrics & Gynecology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.
  • Zheng R; Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.
  • Tian J; Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.
  • Zhang K; Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.
  • Chen F; Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.
  • Tang A; Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.
Future Microbiol ; 12: 891-904, 2017 08.
Article en En | MEDLINE | ID: mdl-28699768
AIM: To investigate the mechanism leading to in vivo carbapenem resistance development in Klebsiella pneumoniae. METHODS: Carbapenemase was detected using the modified carbapenem inactivation method. ß-lactamases resistant genes were identified by PCR and sequencing. Clonal relatedness was evaluated by random amplified polymorphic DNA and multiple locus sequence typing. The relationship between sequence typing and resistant genes was analyzed by using the chi-squared test. RESULTS: All ST37 carbapenem-resistant isolates were blaOXA-1 positive and all ST37 carbapenem-sensitive isolates were blaOXA-1 negative at Stage I. A significant relationship between carbapenem resistance and blaOXA-1 was observed. The blaOXA-1 -positive rate was significantly higher in ST37 K. pneumoniae than others. CONCLUSION: This is the first study about the development of carbapenem resistance in vivo potentially mediated by blaOXA-1 in ST37 K. pneumoniae among neonates.
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Texto completo: 1 Bases de datos: MEDLINE Asunto principal: Infecciones por Klebsiella / Carbapenémicos / Enterobacteriaceae Resistentes a los Carbapenémicos / Klebsiella pneumoniae Límite: Humans / Newborn Idioma: En Revista: Future Microbiol Asunto de la revista: MICROBIOLOGIA Año: 2017 Tipo del documento: Article País de afiliación: China
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Texto completo: 1 Bases de datos: MEDLINE Asunto principal: Infecciones por Klebsiella / Carbapenémicos / Enterobacteriaceae Resistentes a los Carbapenémicos / Klebsiella pneumoniae Límite: Humans / Newborn Idioma: En Revista: Future Microbiol Asunto de la revista: MICROBIOLOGIA Año: 2017 Tipo del documento: Article País de afiliación: China