review · Pharmaceutics
Bacteriophages are nano-sized viruses that naturally target bacteria by penetrating bacterial cell walls, using host replication machinery, and releasing progeny virions to destroy surrounding bacterial cells. These viruses display high specificity, selectively infecting particular or closely related bacterial species. Naturally abundant across diverse environments, bacteriophages form a substantial part of the human gut microbiota, where they continuously interact with intestinal bacterial communities. Understanding these dynamic relationships provides insight into how phages influence human health. Crucially, their targeted activity and abundance suggest practical value as alternatives to conventional antibiotics, particularly for treating multi-resistant bacterial pathogens. They also offer utility as biocontrol agents in bacteria-contaminated settings. Developing a clearer understanding of phage-bacterial dynamics within the gut is therefore essential for establishing viable methods to manage and treat bacterial diseases linked to intestinal health.
Antibiotic resistance poses a major challenge to healthcare, creating an urgent need for precise antimicrobial solutions. Bacteriophages offer a targeted way to combat harmful bacteria without broadly disrupting entire bacterial communities. Learning how these natural viruses behave within the human gut is vital for developing novel therapies against difficult-to-treat intestinal infections and maintaining overall digestive health.
Bacteriophages present commercial opportunities as alternative antibacterial agents against multi-resistant pathogens and as control agents in contaminated environments. The primary potential users include developers of antimicrobial therapies and environmental biocontrol specialists. However, the abstract describes an exploratory review of biological mechanisms rather than tested therapeutic formulations, indicating that practical interventions targeting gut-related bacterial diseases remain at an early, conceptual stage of research.
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Bacteriophages (phages) are nano-sized viruses characterized by their inherent ability to live off bacteria. They utilize diverse mechanisms to absorb and gain entry into the bacterial cell wall via the release of viral genetic material, which uses the replication mechanisms of the host bacteria to produce and release daughter progeny virions that attack the surrounding host cells. They possess specific characteristics, including specificity for particular or closely related bacterial species. They have many applications, including as potential alternatives to antibiotics against multi-resistant bacterial pathogens and as control agents in bacteria-contaminated environments. They are ubiquitously abundant in nature and have diverse biota, including in the gut. Gut microbiota describes the community and interactions of microorganisms within the intestine. As with bacteria, parasitic bacteriophages constantly interact with the host bacterial cells within the gut system and have obvious implications for human health. However, it is imperative to understand these interactions as they open up possible applicable techniques to control gut-implicated bacterial diseases. Thus, this review aims to explore the interactions of bacteriophages with bacterial communities in the gut and their current and potential impacts on human health.
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DOI: 10.3390/pharmaceutics15102416
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