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Nitrate-reducingHealth-associatedGood bacteria

Lautropia

A low-abundance health-associated commensal that travels with the broader aerobic community · facultative_anaerobe · Lives in saliva

The short version

Lautropia is a low-abundance bacterial genus that's part of the aerobic, health-associated community alongside Neisseria, Haemophilus, and Rothia. It's consistently depleted in smokers across multiple populations and recovers with cessation. Best read as part of a community signal — its individual contribution is small, but its trajectory reliably tracks the broader aerobic community.

Do

If you smoke, quit. Lautropia depletion is one of the most reproducible smoking-related findings in the oral microbiome literature, and the genus recovers in former smokers alongside Neisseria and Haemophilus.

Avoid

Daily chlorhexidine and alcohol-based mouthwashes for routine use. They deplete the broader aerobic, health-associated community that Lautropia belongs to, even though Lautropia itself hasn't been individually measured in mouthwash trials.

This information is for wellness purposes only and is not a medical assessment. Always consult a medical professional about any health concerns.

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