相关实验视频

Updated: Sep 13, 2025

Author Spotlight: Development of an Enhanced Protocol for Rapid and Accurate Isolation of Campylobacter from Food Products

Author Spotlight: Development of an Enhanced Protocol for Rapid and Accurate Isolation of Campylobacter from Food Products

Published on: February 23, 2024

从从未使用抗生素 (NAE) 和常规肉复合体中分离的Campylobacter菌株中抗菌素耐药性模式:基因型和表型表征

Yagya Adhikari¹, Dianna V Bourassa¹, Sabin Poudel¹

¹Department of Poultry Science, Auburn University, Auburn, AL, USA.

Poultry science

|August 2, 2025

概括

抗药性坎皮洛巴克是日益严重的公共卫生威胁. 这项研究在肉养殖场的Campylobacter中发现了抗菌素耐药性 (AMR),MDR菌株来源于传统复合体,构成食品安全风险.

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 (AMR) 是一种

背景情况:

坎皮洛巴克特菌中抗菌素耐药性 (AMR) 的增加是一个重大的公共卫生问题.
坎比洛巴克是全球导致细菌性食物传播疾病的首要原因.
了解肉生产中的AMR模式对于减轻食品安全风险至关重要.

研究的目的:

研究来自不同肉生产系统的Campylobacter分离物的表型和基因型抗菌耐药性 (AMR) 模式.
为了比较无抗生素-永远 (NAE) 和传统肉综合体之间的AMR患病率.
识别特定的AMR基因及其与抗药性表型的关联.

主要方法:

从两个商业肉复合体 (NAE和传统) 中分离和识别坎皮洛巴克特菌.
使用ResFinder对AMR基因的基因型分析.
通过微稀释方法进行表型耐药性测试.
统计分析包括赔率比率和信心限值.

主要成果:

48%的分离体对至少一种抗微生物药物表现出耐药性;13%对多种药物有耐药性 (MDR).
对四环素 (46%),克林达米辛 (16%),阿齐思罗米辛 (10%) 观察到的表型耐药性最高.
确定的AMR基因包括blaOXA-61,tet(O) 和 aph(3') -III.
所有8种MDR菌株都从传统的肉综合体中分离出来.

结论:

抗微生物药物耐药的坎皮洛巴克特菌株存在于肉养殖场环境中,MDR菌株主要存在于传统系统中.
抗药性坎皮洛巴克特菌的存在构成肉类产品污染和潜在的食物传播疾病的风险.
需要进一步的研究和干预措施来控制家禽生产中的AMR.

关键词:

抗微生物耐药性抗微生物耐药性牛肉的复合体是什么?这是坎比洛巴克特菌.基因型基因型基因型现象型现象型是一种表现型.

更多相关视频

Application of the Intelligent High-Throughput Antimicrobial Sensitivity Testing/Phage Screening System and Lar Index of Antimicrobial Resistance

Application of the Intelligent High-Throughput Antimicrobial Sensitivity Testing/Phage Screening System and Lar Index of Antimicrobial Resistance

Published on: July 21, 2023

Isolation and Identification of Waterborne Antibiotic-Resistant Bacteria and Molecular Characterization of their Antibiotic Resistance Genes

Isolation and Identification of Waterborne Antibiotic-Resistant Bacteria and Molecular Characterization of their Antibiotic Resistance Genes

Published on: March 3, 2023

相关概念视频

Development of Antibiotic Resistance

Development of Antibiotic Resistance

Antibiotic resistance is a major public health concern that arises when bacteria evolve mechanisms to withstand the effects of antibiotic treatments. This resistance can be intrinsic, acquired through genetic mutations, or transferred between bacteria via horizontal gene transfer. The development of antibiotic resistance poses significant challenges in treating bacterial infections and necessitates ongoing research to develop new therapeutic strategies.Intrinsic resistance occurs when bacterial...

Antibiotic Selection

Antibiotic Selection

Antimicrobial Effectiveness

Antimicrobial Effectiveness

The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...