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对抗生素耐药性黄金葡萄球菌菌株的分子洞察力:山羊起源的潜在动物病
Muhammad Umar Javed1, Muhammad Ijaz1, Aneela Zameer Durrani1
1Department of Veterinary Medicine, University of Veterinary and Animal Sciences, Lahore, Pakistan.
Microbial pathogenesis
|September 22, 2024
概括
抗菌素耐药的金黄色葡萄球菌 (S. aureus) 菌株,包括MRSA和BRSA,在山羊亚临床乳腺炎中很普遍. 非抗生素,如甲和N-乙半氨酸显示在打击多药耐药性黄金色杆菌的承诺.
科学领域:
- 兽医微生物学 兽医微生物学
- 抗微生物耐药性研究研究
- 食品安全和动物传播疾病
背景情况:
- 抗微生物药物耐药的金黄色葡萄球菌 (S. aureus) 构成了显著的动物感染威胁,像耐甲基金黄色葡萄球菌 (MRSA) 这样的菌株对多种药物表现出耐药性.
- 羊的亚临床乳腺炎 (SCM) 是抗菌素耐药性 (AMR) S. aureus 的出现和传播的潜在储存库.
研究的目的:
- 调查SCM的山羊中各种耐药黄金菌株 (MRSA,BRSA,ARSA,TRSA,FRSA) 的流行率和分子特征.
- 评估抗生素和非抗生素 (NSAID,尼,N-乙半氨酸,维生素-C) 对抗多药耐药性 (MDR) 黄金色杆菌的疗效.
- 探索非抗生素在调节MDR黄金菌分离体中抗生素耐药性的潜力.
主要方法:
- 采集和分析768只山羊奶样本用于SCM和S. aureus检测.
- 细菌学和分子特征S. aureus分离物,包括对抗性基因的识别.
- 在实验室中对MDR S. aureus对抗生素和非抗生素的敏感性测试,使用井扩散和微稀释试验,包括协同作用测试.
主要成果:
- SCM和黄金菌的患病率分别为55.47%和26.82%.
- 耐药菌株的高患病率:MRSA (35.92%),BRSA (45.63%),ARSA (50.49%) 和TRSA (32.52%).这些病毒的抗性菌株的高患病率包括MRSA (35.92%),BRSA (45.63%),ARSA (50.49%) 和TRSA (32.5%). 在62.13%的分离物体中观察到多种药物耐药性.
- 通过抗生素与非抗生素的组合来证明协同作用,特别是西林与凯托普罗, gentamicin 与flunixin meglumine,和oxytetracycline 与N-乙半氨酸.
结论:
- 羊的SCM是新兴和传播AMR的重要来源金黄色菌株.
- 非抗生素,当与常规抗生素相结合时,可以有效调节S. aureus的多药性耐药性.
- 非抗生素的药物再利用为管理牲畜和公共卫生中的AMR S. aureus感染提供了潜在的治疗策略.
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