在家禽养殖场的不同生产阶段分离的多种药物和抗万科明素的Enterococcus
Juliana González1, Constanza Pifano García1, Juliana Cantón2
1Laboratorio de Inmunoquímica y Biotecnología, Centro de Investigación Veterinaria de Tandil (CIVETAN), CONICET, CIC, Facultad de Ciencias Veterinarias, UNCPBA, Tandil, Argentina.
Revista Argentina de microbiologia
|November 19, 2025
概括
在阿根廷,健康的可以携带抗药性万科米辛耐药性肠球菌 (VRE). 这一发现凸显了监测的必要性,以防止VRE通过食物链传播.
科学领域:
- 兽医微生物学 兽医微生物学
- 食品安全 食品安全
- 抗微生物耐药性 抗微生物耐药性
背景情况:
- 阿根廷的家禽产业在经济上具有重要意义.
- 抗菌素耐药性肠球菌 (VRE) 是一个日益严重的公共卫生问题.
- 肠球菌是家禽中常见的共生细菌,有可能获得耐药性基因.
研究的目的:
- 在阿根廷坦迪尔的一家家禽养殖场调查VRE的流行率和特征.
- 为了确定Enterococcus物种的类型及其抗菌素耐药性概况.
- 为了确定恢复的隔离物中糖抗性基因的存在.
主要方法:
- 从各种家禽养殖场阶段分离和识别Enterococcus物种.
- 对万科米和其他抗生素进行抗菌敏感性测试.
- 使用分子方法检测糖抗性基因 (vanC-1,vanC-2/C-3,vanA,vanB).
主要成果:
- 检测发现了26种抗万科米辛的肠球菌 (Enterococcus) 隔离物,包括肠球菌 (Enterococcus faecium) 和肠球菌 (Enterococcus faecalis).
- 观察到的抗药性高率:万科米辛 (96.2%),红红 (80.8%),叶黄素 (57.7%).
- 76.9%的分离物是多药耐药 (MDR);发现了vanC-1 (57.7%) 和vanC-2/C-3 (11.5%) 基因,但没有发现vanA或vanB.
结论:
- 在研究区域的健康可以充当多药耐药VRE.
- 这些发现强调了对家禽的VRE监测的重要性,以确保食品安全.
- 建议进一步监测,以控制MDR-VRE在食物链中的传播.
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