Related Experiment Video
Updated: May 10, 2026
11:20
Phage Therapy Application to Counteract Pseudomonas aeruginosa Infection in Cystic Fibrosis Zebrafish Embryos
Published on: May 12, 2020
6.9K
Phage Therapy for Acinetobacter baumannii Infections: A Review on Advances in Classification, Applications, and
Yilin Wang1, Liuyan Li1, Yuqi Liang2
1The Second Clinical School of Medicine, Anhui Medical University, Hefei 230032, China.
Antibiotics (Basel, Switzerland)
|November 27, 2025
Summary
Phage therapy shows promise against carbapenem-resistant Acinetobacter baumannii (CRAB). Innovations like phage cocktails, antibiotic synergy, and genetic engineering enhance efficacy, offering new strategies for CRAB infections.
Area of Science:
- Bacteriophage research
- Microbial genomics
- Precision antibacterial strategies
Background:
- Carbapenem-resistant Acinetobacter baumannii (CRAB) presents a significant global health challenge.
- Phage-based therapies are emerging as a potential precision antibacterial strategy.
- Traditional phage classification is being updated by modern whole-genome phylogeny.
Purpose of the Study:
- To systematically review recent advancements in Acinetobacter baumannii phage therapy.
- To explore strategies for overcoming limitations of natural phage therapy.
- To identify challenges and future directions for phage therapy against CRAB.
Main Methods:
- Systematic review of recent literature on Acinetobacter baumannii phages.
- Analysis of modern phage taxonomy based on whole-genome phylogeny.
- Evaluation of enhanced phage therapy approaches including cocktails, antibiotic synergism, and genetic engineering.
Main Results:
- Modern taxonomy reclassifies A. baumannii phages into Caudoviricetes, correlating clades with host tropism.
- Phage cocktails and phage-antibiotic synergism significantly improve antibacterial efficacy against CRAB.
- Preclinical models show efficacy in pneumonia, wound healing, and immunomodulation.
- Optimized delivery methods (nebulization, hydrogels) and genetic engineering show potential.
Conclusions:
- Phage therapy, enhanced by cocktails, synergism, and engineering, offers innovative solutions for CRAB infections.
- Further validation of genetic stability and development of clinical translation standards are crucial.
- Integrating metagenomics and synthetic biology is key for precision medicine frameworks against CRAB.
Keywords:
CRAB infectionantibiotic resistancebacteriophage classificationgenetic engineeringphage cocktail therapiesMore Related Videos
08:37The Application of Open Searching-based Approaches for the Identification of Acinetobacter baumannii O-linked Glycopeptides
Published on: November 2, 2021
2.5K
05:06Author Spotlight: Advancing Antibiotic Resistance Research Using an Efflux-Deficient Bacterial Strain and a Single-Copy Gene Expression System
Published on: January 5, 2024
1.0K
Related Concept Videos
01:30Lytic Cycle of Bacteriophages
Bacteriophages, also known as phages, are specialized viruses that infect bacteria. A key characteristic of phages is their distinctive “head-tail” morphology. A phage begins the infection process (i.e., lytic cycle) by attaching to the outside of a bacterial cell. Attachment is accomplished via proteins in the phage tail that bind to specific receptor proteins on the outer surface of the bacterium. The tail injects the phage’s DNA genome into the bacterial cytoplasm. In the lytic replication...
01:28Acute Pyelonephritis II: Diagnostic Studies and Management
Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
01:29Microorganisms in Medicine and Therapeutics
Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
01:28Gene Regulation in Microbial Communities: Quorum Sensing
Quorum sensing is a mechanism of bacterial communication that enables coordinated gene expression in response to changes in population density. This facilitates collective behaviors that enhance survival, resource acquisition, and ecological adaptation. This process relies on small signaling molecules called autoinducers that accumulate as bacterial populations grow. When a critical threshold concentration of autoinducers is reached, bacterial cells collectively modify gene expression,...
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...
01:25Clinical 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...