相关实验视频

Updated: Jul 28, 2025

High Throughput, Real-time, Dual-readout Testing of Intracellular Antimicrobial Activity and Eukaryotic Cell Cytotoxicity
09:09

High Throughput, Real-time, Dual-readout Testing of Intracellular Antimicrobial Activity and Eukaryotic Cell Cytotoxicity

Published on: November 16, 2016

8.0K

在亚致死的抗生素暴露下,细胞内和细胞外抗生素耐药性基因的不同剂量反应模式

Lele Liu1, Xinyi Zou1, Yifan Gao1

  • 1College of Environmental Science and Engineering, Nanjing Tech University, Nanjing 211816, China.

Ecotoxicology and environmental safety
|May 31, 2023
PubMed
概括

抗生素耐药性基因 (ARG) 在水和生物膜中传播的方式不同. 细胞内ARG随着抗生素度的增加而增加,而细胞外ARG则减少,影响环境风险评估.

关键词:
抗生素耐药性基因是抗生素耐药性的基因.抗生素 抗生素是一种抗生素.细胞外抗生素耐药性基因传播 繁殖 繁殖选择性的压力选择性压力.

更多相关视频

Testing the Role of Multicopy Plasmids in the Evolution of Antibiotic Resistance09:00

Testing the Role of Multicopy Plasmids in the Evolution of Antibiotic Resistance

Published on: May 2, 2018

11.8K
Population and Single-Cell Analysis of Antibiotic Persistence in Escherichia coli12:29

Population and Single-Cell Analysis of Antibiotic Persistence in Escherichia coli

Published on: March 24, 2023

2.0K

相关概念视频

Antibiotic Selection00:57

Antibiotic Selection

Overview
54.8K
Development of Antibiotic Resistance01:30

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...
50
Transduction01:16

Transduction

Among the three main modes of HGT—transformation, conjugation, and transduction—transduction is unique in that it is mediated by bacteriophages, or bacterial viruses.Transduction occurs in two ways. Generalized transduction occurs during the lytic cycle of a bacteriophage infection. In this process, bacteriophages infect bacterial cells, replicate within them, and ultimately cause cell lysis, releasing newly assembled virions. Occasionally, random fragments of the bacterial genome...
49
Genomic DNA in Prokaryotes00:46

Genomic DNA in Prokaryotes

The genome of most prokaryotic organisms consists of double-stranded DNA organized into one circular chromosome in a region of cytoplasm called the nucleoid. The chromosome is tightly wound, or supercoiled, for efficient storage. Prokaryotes also contain other circular pieces of DNA called plasmids. These plasmids are smaller than the chromosome and often carry genes that confer adaptive functions, such as antibiotic resistance.
Genomic Diversity in Bacteria
Although bacterial genomes are much...
44.1K
Stringent Response in E. coli01:23

Stringent Response in E. coli

Bacterial growth is closely tied to nutrient availability, with cells proliferating exponentially under favorable conditions and entering a stationary phase when resources become scarce. This transition is mediated by a regulatory mechanism known as the stringent response, which allows bacteria to adapt to nutrient deprivation by modulating gene expression and metabolic activity.During nutrient scarcity, intracellular amino acid levels decline. It results in the accumulation of uncharged tRNAs...
32
Defense Against Bacterial Pathogens01:31

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...
1.5K