相关实验视频

Updated: Jan 12, 2026

Isolation of Soil Microorganisms Using iChip Technology

Isolation of Soil Microorganisms Using iChip Technology

Published on: January 10, 2025

解决土壤中活跃的抗生素耐药细菌的问题

Yong-Guan Zhu¹, Qing-Lin Chen², Si-Yu Zhang³

¹State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; State Key Laboratory of Regional and Urban Ecology, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China.

Trends in microbiology

|November 7, 2025

概括

土壤含有抗生素耐药性基因 (ARG) 和细菌 (ARB). 新的方法区分了活性ARB,以更好地评估对土壤ARG污染的风险和减轻风险的策略.

科学领域:

环境微生物学环境微生物学
土壤科学土壤科学
抗微生物耐药性抗微生物耐药性

背景情况:

土壤是抗生素耐药性基因 (ARG) 和抗生素耐药性细菌 (ARB) 的关键储存库,作为各种微生物群之间的关键接口.
目前的研究经常使用基于DNA的方法,无法区分总和代谢活性ARB,阻碍了准确的风险评估和有效的缓解.
了解土壤中ARB的动态对于公共卫生和环境安全至关重要.

研究的目的:

审查土壤中ARG的来源和流动性.
突出在社区和单细胞水平上表征活跃ARB的先进方法.
探索缓解土壤环境中ARB的新兴策略.

主要方法:

关于土壤ARG来源,流动性和传播途径的文献综述.
对社区和单细胞层面的积极ARB检测方法的分析.
探索现有和新兴的减缓策略,包括废物处理和生物修复.

主要成果:

土壤作为ARG和ARB的重要储存和传输枢纽.
区分主动ARB和总ARB对于准确的风险评估至关重要.
先进的分子技术可以更好地描述活跃的ARB种群.
生物修复和先进的废物处理对ARG缓解有希望.

结论:

需要超越基于DNA的方法来评估土壤中活跃的ARB.
描述活跃的ARB对于制定有针对性和有效的风险减轻策略至关重要.
需要结合先进的检测和新的修复技术的综合方法来管理土壤ARG污染.

关键词:

一个健康,一个健康.抗生素耐药性抗生素耐药性风险评估风险评估风险评估一个单细胞的单细胞.

更多相关视频

In Situ Isolation and Culturing of Recalcitrant Soil Bacteria using an Isolation Chip (iChip)

In Situ Isolation and Culturing of Recalcitrant Soil Bacteria using an Isolation Chip (iChip)

Published on: August 6, 2025

Isolation and Screening from Soil Biodiversity for Fungi Involved in the Degradation of Recalcitrant Materials

Isolation and Screening from Soil Biodiversity for Fungi Involved in the Degradation of Recalcitrant Materials

Published on: May 16, 2022

相关概念视频

Biological Methods for Microbial Control

Biological Methods for Microbial Control

Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...

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...

Environmental Applications of Microorganisms

Environmental Applications of Microorganisms

Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...

Defense Against Bacterial Pathogens

Defense Against Bacterial Pathogens

The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...