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New Gut Bacterium CAG-170 Linked to Healthier Microbiomes

2/10/2026

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Summary

Story summary

University of Cambridge researchers identified CAG-170, a gut bacterium, as more abundant in healthy individuals.
The study analyzed samples from over 11,000 people across 39 countries and linked CAG-170 to better gut health.
CAG-170 may produce Vitamin B12 and digestion enzymes.
It could indicate gut microbiome health and spur new probiotics, though cultivation remains challenging.

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Story summary

University of Cambridge researchers identified CAG-170, a gut bacterium, as more abundant in healthy individuals.
The study analyzed samples from over 11,000 people across 39 countries and linked CAG-170 to better gut health.
CAG-170 may produce Vitamin B12 and digestion enzymes.
It could indicate gut microbiome health and spur new probiotics, though cultivation remains challenging.