Antibiotic resistance: are we all doomed?

P Collignon1,2,3

  • 1Medical School, Australian National University, Canberra, Australian Capital Territory, Australia.

Internal Medicine Journal
|November 14, 2015
PubMed

Insights

Antimicrobial resistance is driven by overuse and spread of resistant microbes. Implementing the One Health approach and improving surveillance are key to controlling this global health threat.

Area of Science:

  • Public Health
  • Microbiology
  • Infectious Diseases

Background:

  • Antibiotic resistance is a significant global health concern, leading to increased mortality and morbidity.
  • Two primary drivers of antimicrobial resistance (AMR) are the volume of antimicrobial use and the dissemination of resistant organisms and resistance genes.

Purpose of the Study:

  • To highlight the critical role of the One Health concept in understanding and combating antimicrobial resistance.
  • To outline actionable strategies for controlling the spread and development of antibiotic-resistant bacteria.

Main Methods:

  • Review of current drivers and control measures for antimicrobial resistance.
  • Emphasis on integrated surveillance across human and agricultural sectors.
  • Focus on infection prevention and responsible antibiotic stewardship.

Main Results:

  • Controlling antimicrobial usage volumes and preventing the spread of resistance are achievable goals.
  • Effective AMR control requires comprehensive surveillance data on usage and resistance patterns.
  • Implementation of the One Health concept is essential for a coordinated global response.

Conclusions:

  • Preventing infections, enhancing surveillance, and acting on data are crucial for AMR control.
  • Restricting critically important antibiotic use in food animals and the environment is necessary.
  • The One Health approach must be actively implemented across all sectors to combat antibiotic resistance effectively.

Related Concept Videos

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...
1.9K
Antibiotic Selection00:57

Antibiotic Selection

Overview
62.1K
Mechanism of Antibiotic Resistance in MRSA01:25

Mechanism 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...
99
Clinical Significance of Antibiotic Resistance01:25

Clinical 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...
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...
3.5K
Inhibitors of Bacterial Protein Synthesis01:25

Inhibitors of Bacterial Protein Synthesis

Aminoglycosides constitute a highly potent class of bactericidal antibiotics that exert their antimicrobial effects by targeting the bacterial ribosome, specifically disrupting protein synthesis. These polycationic molecules consist of amino-modified sugars linked via glycosidic bonds to an aminocyclitol core such as 2-deoxystreptamine or streptamine. Their strong positive charges facilitate tight binding to the negatively charged phosphate backbone of ribosomal RNA (rRNA), primarily at the 16S...
46