Oral Colonisation of the Gut May Explain the Cirrhosis Virome Signature

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Oral colonization of the gut may explain the distinct virome signature observed in patients with cirrhosis. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Christos Zavos

doi:10.1111/liv.70857

August 27, 2026Liver InternationalOpen Access

Oral Colonisation of the Gut May Explain the Cirrhosis Virome Signature

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Key Points

To examine whether oral microbe and virus transmission to the gastrointestinal tract explains the characteristic gut virome signature observed in patients with liver cirrhosis.
Conducted a conceptual perspective and literature synthesis exploring oral-gut microbial translocation mechanisms without analyzing primary empirical datasets.
Proposes that impaired biochemical and immunological barriers in cirrhosis allow oral microbes and their phages to transit and colonize the lower intestinal tract.
Hypothesizes that the distinct gut virome signature linked to liver cirrhosis largely originates from ectopic oral cavity colonization rather than purely endogenous intestinal dysbiosis.

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Implication

Scientific commentary reveals oral-to-gut microbial migration in liver cirrhosis, suggesting oral transmission drives distinct intestinal virome signatures.

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Christos Zavos (2026) studied this question.

synapsesocial.com/papers/6a93f0476c1a8fb52e79c44d https://doi.org/10.1111/liv.70857

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Oral Colonisation of the Gut May Explain the Cirrhosis Virome Signature

Key Points

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Cite This Study

Oral Colonisation of the Gut May Explain the Cirrhosis Virome Signature

Key Points

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Implication

Abstract

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