Phage-Microbiota Crosstalk: Implications for Central Nervous System Disorders.

Int J Mol Sci

Section of Innovation Biomedicine, Department of Engineering for Innovation Medicine, University of Verona, 37134 Verona, Italy.

Published: June 2025


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Article Abstract

The gut microbiota constitutes a complex community of microorganisms (including bacteria, viruses, fungi, and protozoa) within the intestinal tract. Over the years, an increasing number of studies have highlighted the bidirectional communication between the gut microbiota and the central nervous system (CNS), a relationship commonly referred to as the "microbiota-gut-brain axis". In particular, the crosstalk between the gut microbiota and the brain has been associated with the pathogenesis and progression of various CNS disorders. Phages, or bacteriophages, viruses that specifically infect bacteria, constitute the most abundant viral component within the gut microbiota. However, despite their abundance and significance in the gut microbial community, studies exploring the relationship between phages and the CNS remain surprisingly limited. This review examines the biological interplay between gut-resident phages and the CNS. Furthermore, we discuss the current literature linking phages to CNS-related pathologies.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12249656PMC
http://dx.doi.org/10.3390/ijms26136183DOI Listing

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