来自保加利亚最大医院的 Pseudomonas putida 集团的第一个 VIM 生产代表
Atanaska Petrova1, Ivan N Ivanov2, Liubomir Paunov1
1Medical University of Plovdiv, Plovdiv, Bulgaria.
Folia medica
|January 8, 2025
概括
这项研究确定了第一个产生VIM-2的Pseudomonas krumegalensis,它是Pseudomonas putida组的一员. 这种细菌在保加利亚最大的医院中被检测到,突出显示了抗菌素耐药性的新挑战.
科学领域:
- 微生物学 微生物学
- 传染性疾病 传染性疾病
- 抗微生物耐药性 抗微生物耐药性
背景情况:
- 产生碳酶的细菌的出现构成了全球健康的重大威胁.
- 伪omonas物种是常见的机会性病原体,它们的抵抗机制具有临床重要性.
- VIM-2是一种流行的金属β-乳糖酶,对碳烯胺具有抗性.
研究的目的:
- 报告首次检测到一种产生VIM-2的Pseudomonas krumegalensis的情况.
- 为了描述保加利亚医疗保健环境中的这一新发现.
主要方法:
- 从临床样本中分离和识别细菌.
- 抗菌素耐药性的表型和基因型表征,包括VIM-2检测.
主要成果:
- 鉴定Pseudomonas krumegalensis作为VIM-2的生产者.
- 隔离物被从保加利亚普洛夫迪夫圣乔治大学医院回收.保加利亚普洛夫迪夫.
- 这代表了这种细菌物种中VIM-2生产的第一个记录实例.
结论:
- 在保加利亚发现产生VIM-2的Pseudomonas krumegalensis意味着产生卡巴酶的生物体可能扩散.
- 这一发现强调了需要加强医疗保健机构对抗多药耐药细菌的监测和感染控制措施.
相关概念视频
Production of Antibiotics
281
Penicillin, one of the earliest and most widely used antibiotics, is produced industrially by the filamentous fungus Penicillium chrysogenum. Large stirred-tank bioreactors ranging from tens to hundreds of thousands of liters maintain tightly controlled temperature, pH, and dissolved oxygen conditions to support fungal metabolism and maximize antibiotic yield. Penicillin is a secondary metabolite, synthesized primarily during the stationary growth phase, which requires a carefully managed...
281
Automated Microbial Diagnostics
79
Automated diagnostic analyzers have transformed clinical microbiology by providing rapid and reliable methods for pathogen identification and antibiotic susceptibility testing. Among these systems, the Vitek 2 is widely used because it automates the traditionally labor-intensive processes of microbial identification (ID) and antibiotic susceptibility testing (AST), delivering standardized and timely results that are essential for effective patient care.Microbial Identification with ID CardsThe...
79
Atypical Pneumonia
88
Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease...
88
Clinical Significance of Antibiotic Resistance
106
Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within...
106


