Related Experiment Video
Updated: Jun 21, 2026
08:58
Isolation and Identification of Waterborne Antibiotic-Resistant Bacteria and Molecular Characterization of their Antibiotic Resistance Genes
Published on: March 3, 2023
Antibiotic resistance: the perfect storm
1Department of Medical Microbiology, Aberdeen Royal Infirmary, Foresterhill, Aberdeen AB25 2ZN, UK. i.m.gould@abdn.ac.uk
International Journal of Antimicrobial Agents
|July 15, 2009
Summary
The global rise in antibiotic resistance threatens modern medicine. Strategies to slow resistance include diversifying antibiotic prescribing and reducing unnecessary use.
Area of Science:
- Microbiology
- Infectious Diseases
- Pharmacology
Background:
- Antibiotic resistance is a growing global epidemic, jeopardizing effective medical treatments.
- The diminishing pipeline of new antibiotics exacerbates the challenge.
- Resistance impacts all medical fields, complicating empirical therapy and limiting treatment options.
Purpose of the Study:
- To review strategies for slowing the development and spread of antibiotic resistance.
- To highlight the importance of prescribing diversity and reducing unnecessary antibiotic consumption.
Main Methods:
- Review of current strategies to combat antibiotic resistance.
- Discussion of the role of new antibiotics, such as tigecycline.
- Analysis of the impact of unnecessary antibiotic use across various sectors.
Main Results:
- Antibiotic resistance poses a severe threat to the efficacy of antibiotic therapy.
- Prescribing diversity and judicious use of antibiotics are crucial for slowing resistance.
- Tigecycline represents a new therapeutic option for severe infections.
Conclusions:
- Combating antibiotic resistance requires a multi-faceted approach.
- Maximizing antibiotic prescribing diversity and curtailing unnecessary use are essential.
- New antibiotic classes are vital, but reducing overall consumption is paramount.
Related Concept Videos
00:57Antibiotic Selection
Overview
01:30Development 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...
01:25Mechanism of Antibiotic Resistance in MRSA
Antibiotic resistance in bacteria arises when microorganisms evolve the ability to withstand drugs designed to kill them or inhibit their growth, rendering once-effective treatments useless. This phenomenon, driven by genetic change and selection under antibiotic exposure, poses a profound threat to modern medicine. Mechanisms include drug-inactivating enzymes (e.g., β-lactamases), efflux pumps that eject antibiotics, mutations altering antibiotic targets, decreased drug uptake, and acquisition...
01:21Microbiota Modulation by Antibiotics
Antibiotics have revolutionized modern medicine by saving countless lives from bacterial infections. However, their widespread use has inadvertently harmed the delicate balance of the human gut microbiota. The gut microbiota, a complex community of bacteria, archaea, viruses, and fungi, plays a vital role in regulating metabolism, immune responses, and maintaining intestinal health. Antibiotics, especially broad-spectrum types, disrupt this ecosystem by eradicating both harmful and beneficial...
01:25Clinical Significance of Antibiotic Resistance
Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...
01:31Defense 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...
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...