在Acinetobacter baumannii的临床分离物中,巴普基因在多药耐药和产生生物膜的临床分离物中的表达
Maedeh Kakavan1,2, Mehrdad Gholami1,2, Mohammad Ahanjan1,2
1Immunogenetics Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
BMC microbiology
|March 2, 2025
概括
多药耐药的 Acinetobacter baumannii 菌株由于增加了 bap 基因表达,经常形成生物膜. 准这种基因可以在医疗机构中对抗难以治疗的感染.
科学领域:
- 微生物学 微生物学
- 传染性疾病 传染性疾病
- 分子生物学分子生物学
背景情况:
- 宝曼尼菌是医院感染的主要原因之一.
- 这种病原体以其抗生素耐药性和形成生物膜的能力而闻名.
- 由于这些特征,控制这些感染是具有挑战性的.
研究的目的:
- 在A. baumannii. 的临床分离物中研究 bap 基因的表达.
- 为了将 bap 基因表达与多药性耐药性 (MDR) 和生物膜形成相关联.
- 了解巴普在A. baumannii病原性中的作用.
主要方法:
- 收集并识别了100个临床分离的A. baumannii.
- 使用磁盘亚格扩散来确定抗生素耐药性概况.
- 通过微型板测试评估生物膜的产生.
- 使用实时PCR量化巴普基因表达.
主要成果:
- 99%的分离物是多药耐药 (MDR).
- 对西普洛素 (100%) 观察到高耐药率; 塞夫塔齐迪姆是最有效的.
- 确定了49%的强,49%的中度和2%的弱生物膜生产商;没有发现非生产商.
- 在99%的隔离物中检测到增加了巴普基因表达,与MDR和生物膜形成相关.
结论:
- 生物膜的形成对于MDR A. baumannii在医疗机构的出现至关重要.
- 巴普基因与多种药物耐药性和生物膜产生密切相关.
- 准巴普基因为新型抗阿片类药物提供了潜在的策略. 宝曼尼疗法和生物膜消灭.
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